feat(record): Support record type values adapter.

Bumps `log4j.version` from 2.24.3 to 2.25.0.

Updates `org.apache.logging.log4j:log4j-api` from 2.24.3 to 2.25.0

Updates `org.apache.logging.log4j:log4j-core` from 2.24.3 to 2.25.0

Updates `org.apache.logging.log4j:log4j-slf4j-impl` from 2.24.3 to 2.25.0

---
updated-dependencies:
- dependency-name: org.apache.logging.log4j:log4j-api
  dependency-version: 2.25.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-core
  dependency-version: 2.25.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.apache.logging.log4j:log4j-slf4j-impl
  dependency-version: 2.25.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.doc/JAVADOC-README.md

@@ -1,3 +1,6 @@
 # configured Javadoc
 
-Based on [Github Pages](https://pages.github.com/), please see [JavaDoc](https://carmjos.github.io/configured) 。
+Based
+on [Github Pages](https://pages.github.com/),
+please
+see [JavaDoc](https://carmjos.github.io/configured) 。

.editorconfig

@@ -0,0 +1,346 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+tab_width = 4
+
+[*.java]
+indent_size = 4
+max_line_length = 120
+ij_java_align_consecutive_assignments = false
+ij_java_align_consecutive_variable_declarations = false
+ij_java_align_group_field_declarations = false
+ij_java_align_multiline_annotation_parameters = false
+ij_java_align_multiline_array_initializer_expression = false
+ij_java_align_multiline_assignment = false
+ij_java_align_multiline_binary_operation = false
+ij_java_align_multiline_chained_methods = false
+ij_java_align_multiline_deconstruction_list_components = true
+ij_java_align_multiline_extends_list = false
+ij_java_align_multiline_for = true
+ij_java_align_multiline_method_parentheses = false
+ij_java_align_multiline_parameters = true
+ij_java_align_multiline_parameters_in_calls = false
+ij_java_align_multiline_parenthesized_expression = false
+ij_java_align_multiline_records = true
+ij_java_align_multiline_resources = true
+ij_java_align_multiline_ternary_operation = false
+ij_java_align_multiline_text_blocks = false
+ij_java_align_multiline_throws_list = false
+ij_java_align_subsequent_simple_methods = false
+ij_java_align_throws_keyword = false
+ij_java_align_types_in_multi_catch = true
+ij_java_annotation_new_line_in_record_component = false
+ij_java_annotation_parameter_wrap = off
+ij_java_array_initializer_new_line_after_left_brace = false
+ij_java_array_initializer_right_brace_on_new_line = false
+ij_java_array_initializer_wrap = off
+ij_java_assert_statement_colon_on_next_line = false
+ij_java_assert_statement_wrap = off
+ij_java_assignment_wrap = off
+ij_java_binary_operation_sign_on_next_line = false
+ij_java_binary_operation_wrap = off
+ij_java_blank_lines_after_anonymous_class_header = 0
+ij_java_blank_lines_after_class_header = 0
+ij_java_blank_lines_after_imports = 1
+ij_java_blank_lines_after_package = 1
+ij_java_blank_lines_around_class = 1
+ij_java_blank_lines_around_field = 0
+ij_java_blank_lines_around_field_in_interface = 0
+ij_java_blank_lines_around_field_with_annotations = 0
+ij_java_blank_lines_around_initializer = 1
+ij_java_blank_lines_around_method = 1
+ij_java_blank_lines_around_method_in_interface = 1
+ij_java_blank_lines_before_class_end = 0
+ij_java_blank_lines_before_imports = 1
+ij_java_blank_lines_before_method_body = 0
+ij_java_blank_lines_before_package = 0
+ij_java_blank_lines_between_record_components = 0
+ij_java_block_brace_style = end_of_line
+ij_java_block_comment_add_space = false
+ij_java_block_comment_at_first_column = true
+ij_java_builder_methods =
+ij_java_call_parameters_new_line_after_left_paren = false
+ij_java_call_parameters_right_paren_on_new_line = false
+ij_java_call_parameters_wrap = off
+ij_java_case_statement_on_separate_line = true
+ij_java_catch_on_new_line = false
+ij_java_class_annotation_wrap = split_into_lines
+ij_java_class_brace_style = end_of_line
+ij_java_class_count_to_use_import_on_demand = 5
+ij_java_class_names_in_javadoc = 1
+ij_java_deconstruction_list_wrap = normal
+ij_java_do_not_indent_top_level_class_members = false
+ij_java_do_not_wrap_after_single_annotation = false
+ij_java_do_not_wrap_after_single_annotation_in_parameter = false
+ij_java_do_while_brace_force = never
+ij_java_doc_add_blank_line_after_description = true
+ij_java_doc_add_blank_line_after_param_comments = false
+ij_java_doc_add_blank_line_after_return = false
+ij_java_doc_add_p_tag_on_empty_lines = true
+ij_java_doc_align_exception_comments = true
+ij_java_doc_align_param_comments = true
+ij_java_doc_do_not_wrap_if_one_line = false
+ij_java_doc_enable_formatting = true
+ij_java_doc_enable_leading_asterisks = true
+ij_java_doc_indent_on_continuation = false
+ij_java_doc_keep_empty_lines = true
+ij_java_doc_keep_empty_parameter_tag = true
+ij_java_doc_keep_empty_return_tag = true
+ij_java_doc_keep_empty_throws_tag = true
+ij_java_doc_keep_invalid_tags = true
+ij_java_doc_param_description_on_new_line = false
+ij_java_doc_preserve_line_breaks = false
+ij_java_doc_use_throws_not_exception_tag = true
+ij_java_else_on_new_line = false
+ij_java_entity_dd_prefix =
+ij_java_entity_dd_suffix = EJB
+ij_java_entity_eb_prefix =
+ij_java_entity_eb_suffix = Bean
+ij_java_entity_hi_prefix =
+ij_java_entity_hi_suffix = Home
+ij_java_entity_lhi_prefix = Local
+ij_java_entity_lhi_suffix = Home
+ij_java_entity_li_prefix = Local
+ij_java_entity_li_suffix =
+ij_java_entity_pk_class = java.lang.String
+ij_java_entity_ri_prefix =
+ij_java_entity_ri_suffix =
+ij_java_entity_vo_prefix =
+ij_java_entity_vo_suffix = VO
+ij_java_enum_constants_wrap = off
+ij_java_enum_field_annotation_wrap = off
+ij_java_extends_keyword_wrap = off
+ij_java_extends_list_wrap = off
+ij_java_field_annotation_wrap = split_into_lines
+ij_java_field_name_prefix =
+ij_java_field_name_suffix =
+ij_java_filter_class_prefix =
+ij_java_filter_class_suffix =
+ij_java_filter_dd_prefix =
+ij_java_filter_dd_suffix =
+ij_java_finally_on_new_line = false
+ij_java_for_brace_force = never
+ij_java_for_statement_new_line_after_left_paren = false
+ij_java_for_statement_right_paren_on_new_line = false
+ij_java_for_statement_wrap = off
+ij_java_generate_final_locals = false
+ij_java_generate_final_parameters = false
+ij_java_generate_use_type_annotation_before_type = true
+ij_java_if_brace_force = never
+ij_java_imports_layout = @*, *, |, javax.**, java.**, |, $*
+ij_java_indent_case_from_switch = true
+ij_java_insert_inner_class_imports = false
+ij_java_insert_override_annotation = true
+ij_java_keep_blank_lines_before_right_brace = 2
+ij_java_keep_blank_lines_between_package_declaration_and_header = 2
+ij_java_keep_blank_lines_in_code = 2
+ij_java_keep_blank_lines_in_declarations = 2
+ij_java_keep_builder_methods_indents = false
+ij_java_keep_control_statement_in_one_line = true
+ij_java_keep_first_column_comment = true
+ij_java_keep_indents_on_empty_lines = false
+ij_java_keep_line_breaks = true
+ij_java_keep_multiple_expressions_in_one_line = false
+ij_java_keep_simple_blocks_in_one_line = false
+ij_java_keep_simple_classes_in_one_line = false
+ij_java_keep_simple_lambdas_in_one_line = false
+ij_java_keep_simple_methods_in_one_line = false
+ij_java_label_indent_absolute = false
+ij_java_label_indent_size = 0
+ij_java_lambda_brace_style = end_of_line
+ij_java_layout_on_demand_import_from_same_package_first = true
+ij_java_layout_static_imports_separately = true
+ij_java_line_comment_add_space = false
+ij_java_line_comment_add_space_on_reformat = false
+ij_java_line_comment_at_first_column = true
+ij_java_listener_class_prefix =
+ij_java_listener_class_suffix =
+ij_java_local_variable_name_prefix =
+ij_java_local_variable_name_suffix =
+ij_java_message_dd_prefix =
+ij_java_message_dd_suffix = EJB
+ij_java_message_eb_prefix =
+ij_java_message_eb_suffix = Bean
+ij_java_method_annotation_wrap = split_into_lines
+ij_java_method_brace_style = end_of_line
+ij_java_method_call_chain_wrap = off
+ij_java_method_parameters_new_line_after_left_paren = false
+ij_java_method_parameters_right_paren_on_new_line = false
+ij_java_method_parameters_wrap = off
+ij_java_modifier_list_wrap = false
+ij_java_multi_catch_types_wrap = normal
+ij_java_names_count_to_use_import_on_demand = 3
+ij_java_new_line_after_lparen_in_annotation = false
+ij_java_new_line_after_lparen_in_deconstruction_pattern = true
+ij_java_new_line_after_lparen_in_record_header = false
+ij_java_new_line_when_body_is_presented = false
+ij_java_packages_to_use_import_on_demand = java.awt.*, javax.swing.*
+ij_java_parameter_annotation_wrap = off
+ij_java_parameter_name_prefix =
+ij_java_parameter_name_suffix =
+ij_java_parentheses_expression_new_line_after_left_paren = false
+ij_java_parentheses_expression_right_paren_on_new_line = false
+ij_java_place_assignment_sign_on_next_line = false
+ij_java_prefer_longer_names = true
+ij_java_prefer_parameters_wrap = false
+ij_java_preserve_module_imports = true
+ij_java_record_components_wrap = normal
+ij_java_repeat_annotations =
+ij_java_repeat_synchronized = true
+ij_java_replace_instanceof_and_cast = false
+ij_java_replace_null_check = true
+ij_java_replace_sum_lambda_with_method_ref = true
+ij_java_resource_list_new_line_after_left_paren = false
+ij_java_resource_list_right_paren_on_new_line = false
+ij_java_resource_list_wrap = off
+ij_java_rparen_on_new_line_in_annotation = false
+ij_java_rparen_on_new_line_in_deconstruction_pattern = true
+ij_java_rparen_on_new_line_in_record_header = false
+ij_java_servlet_class_prefix =
+ij_java_servlet_class_suffix =
+ij_java_servlet_dd_prefix =
+ij_java_servlet_dd_suffix =
+ij_java_session_dd_prefix =
+ij_java_session_dd_suffix = EJB
+ij_java_session_eb_prefix =
+ij_java_session_eb_suffix = Bean
+ij_java_session_hi_prefix =
+ij_java_session_hi_suffix = Home
+ij_java_session_lhi_prefix = Local
+ij_java_session_lhi_suffix = Home
+ij_java_session_li_prefix = Local
+ij_java_session_li_suffix =
+ij_java_session_ri_prefix =
+ij_java_session_ri_suffix =
+ij_java_session_si_prefix =
+ij_java_session_si_suffix = Service
+ij_java_space_after_closing_angle_bracket_in_type_argument = false
+ij_java_space_after_colon = true
+ij_java_space_after_comma = true
+ij_java_space_after_comma_in_type_arguments = true
+ij_java_space_after_for_semicolon = true
+ij_java_space_after_quest = true
+ij_java_space_after_type_cast = true
+ij_java_space_before_annotation_array_initializer_left_brace = false
+ij_java_space_before_annotation_parameter_list = false
+ij_java_space_before_array_initializer_left_brace = false
+ij_java_space_before_catch_keyword = true
+ij_java_space_before_catch_left_brace = true
+ij_java_space_before_catch_parentheses = true
+ij_java_space_before_class_left_brace = true
+ij_java_space_before_colon = true
+ij_java_space_before_colon_in_foreach = true
+ij_java_space_before_comma = false
+ij_java_space_before_deconstruction_list = false
+ij_java_space_before_do_left_brace = true
+ij_java_space_before_else_keyword = true
+ij_java_space_before_else_left_brace = true
+ij_java_space_before_finally_keyword = true
+ij_java_space_before_finally_left_brace = true
+ij_java_space_before_for_left_brace = true
+ij_java_space_before_for_parentheses = true
+ij_java_space_before_for_semicolon = false
+ij_java_space_before_if_left_brace = true
+ij_java_space_before_if_parentheses = true
+ij_java_space_before_method_call_parentheses = false
+ij_java_space_before_method_left_brace = true
+ij_java_space_before_method_parentheses = false
+ij_java_space_before_opening_angle_bracket_in_type_parameter = false
+ij_java_space_before_quest = true
+ij_java_space_before_switch_left_brace = true
+ij_java_space_before_switch_parentheses = true
+ij_java_space_before_synchronized_left_brace = true
+ij_java_space_before_synchronized_parentheses = true
+ij_java_space_before_try_left_brace = true
+ij_java_space_before_try_parentheses = true
+ij_java_space_before_type_parameter_list = false
+ij_java_space_before_while_keyword = true
+ij_java_space_before_while_left_brace = true
+ij_java_space_before_while_parentheses = true
+ij_java_space_inside_one_line_enum_braces = false
+ij_java_space_within_empty_array_initializer_braces = false
+ij_java_space_within_empty_method_call_parentheses = false
+ij_java_space_within_empty_method_parentheses = false
+ij_java_spaces_around_additive_operators = true
+ij_java_spaces_around_annotation_eq = true
+ij_java_spaces_around_assignment_operators = true
+ij_java_spaces_around_bitwise_operators = true
+ij_java_spaces_around_equality_operators = true
+ij_java_spaces_around_lambda_arrow = true
+ij_java_spaces_around_logical_operators = true
+ij_java_spaces_around_method_ref_dbl_colon = false
+ij_java_spaces_around_multiplicative_operators = true
+ij_java_spaces_around_relational_operators = true
+ij_java_spaces_around_shift_operators = true
+ij_java_spaces_around_type_bounds_in_type_parameters = true
+ij_java_spaces_around_unary_operator = false
+ij_java_spaces_inside_block_braces_when_body_is_present = false
+ij_java_spaces_within_angle_brackets = false
+ij_java_spaces_within_annotation_parentheses = false
+ij_java_spaces_within_array_initializer_braces = false
+ij_java_spaces_within_braces = false
+ij_java_spaces_within_brackets = false
+ij_java_spaces_within_cast_parentheses = false
+ij_java_spaces_within_catch_parentheses = false
+ij_java_spaces_within_deconstruction_list = false
+ij_java_spaces_within_for_parentheses = false
+ij_java_spaces_within_if_parentheses = false
+ij_java_spaces_within_method_call_parentheses = false
+ij_java_spaces_within_method_parentheses = false
+ij_java_spaces_within_parentheses = false
+ij_java_spaces_within_record_header = false
+ij_java_spaces_within_switch_parentheses = false
+ij_java_spaces_within_synchronized_parentheses = false
+ij_java_spaces_within_try_parentheses = false
+ij_java_spaces_within_while_parentheses = false
+ij_java_special_else_if_treatment = true
+ij_java_static_field_name_prefix =
+ij_java_static_field_name_suffix =
+ij_java_subclass_name_prefix =
+ij_java_subclass_name_suffix = Impl
+ij_java_switch_expressions_wrap = normal
+ij_java_ternary_operation_signs_on_next_line = false
+ij_java_ternary_operation_wrap = off
+ij_java_test_name_prefix =
+ij_java_test_name_suffix = Test
+ij_java_throws_keyword_wrap = off
+ij_java_throws_list_wrap = off
+ij_java_use_external_annotations = false
+ij_java_use_fq_class_names = false
+ij_java_use_relative_indents = false
+ij_java_use_single_class_imports = true
+ij_java_variable_annotation_wrap = off
+ij_java_visibility = public
+ij_java_while_brace_force = never
+ij_java_while_on_new_line = false
+ij_java_wrap_comments = false
+ij_java_wrap_first_method_in_call_chain = false
+ij_java_wrap_long_lines = false
+ij_java_wrap_semicolon_after_call_chain = false
+
+[*.xml]
+indent_style = space
+indent_size = 4
+tab_width = 4
+max_line_length = 120
+
+[*.json]
+indent_style = space
+indent_size = 2
+tab_width = 2
+max_line_length = 120
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
+tab_width = 2
+max_line_length = 120
+
+[*.md]
+max_line_length = 500
+trim_trailing_whitespace = false

.github/ISSUE_TEMPLATE/bugs_report.md

@@ -1,37 +1,70 @@
 ---
-name: 问题提交 
+name:
-about: 描述问题并提交，帮助我们对其进行检查与修复。 
+问题提交
+about:
+描述问题并提交，帮助我们对其进行检查与修复。
 title: ''
-labels: bug 
+labels:
+bug
 assignees: ''
 
 ---
 
-### **问题简述**
+###
+*
+*问题简述
+**
 
 用简短的话语描述一下大概问题。
 
-### **问题来源**
+###
+*
+*问题来源
+**
 
 描述一下通过哪些操作才发现的问题，如：
 
-1. 使用了 '...'
+1.
-2. 输入了 '....'
+使用了 '...'
-3. 出现了报错 '....'
+2.
+输入了 '....'
+3.
+出现了报错 '....'
 
-### **预期结果** (可选)
+###
+*
+*预期结果
+** (可选)
 
 如果问题不发生，应该是什么情况
 
-### **问题截图/问题报错**
+###
+*
+*问题截图/问题报错
+**
 
 如果有报错或输出，请提供截图。
 
-### **操作环境**
+###
+*
+*操作环境
+**
 
-- 系统环境: `Windows 10` / `Ubuntu` / `...`
+-
-- Java版本: `JDK11` / `OPENJDK8` / `JRE8` / `...`
+系统环境:
+`Windows 10` /
+`Ubuntu` /
+`...`
+-
+Java版本:
+`JDK11` /
+`OPENJDK8` /
+`JRE8` /
+`...`
 
-### **其他补充**
+###
+*
+*其他补充
+**
 
 如有其他补充，可以在这里描述。

.github/ISSUE_TEMPLATE/feature_issues.md

@@ -1,23 +1,38 @@
 ---
-name: 功能需求 
+name:
-about: 希望我们提供更多的功能。 
+功能需求
+about:
+希望我们提供更多的功能。
 title: ''
-labels: enhancement 
+labels:
+enhancement
 assignees: ''
 ---
 
-### **功能简述**
+###
+*
+*功能简述
+**
 
 简单的描述一下你想要的功能
 
-### **需求来源**
+###
+*
+*需求来源
+**
 
 简单的描述一下为什么需要这个功能。
 
-### **功能参考**(可选)
+###
+*
+*功能参考
+**(可选)
 
 如果有相关功能的参考，如文本、截图，请提供给我们。
 
-### **附加内容**
+###
+*
+*附加内容
+**
 
 如果有什么小细节需要重点注意，请在这里告诉我们。

.github/workflows/codacy-analysis.yml

@@ -1,54 +0,0 @@
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-
-# This workflow checks out code, performs a Codacy security scan
-# and integrates the results with the
-# GitHub Advanced Security code scanning feature.  For more information on
-# the Codacy security scan action usage and parameters, see
-# https://github.com/codacy/codacy-analysis-cli-action.
-# For more information on Codacy Analysis CLI in general, see
-# https://github.com/codacy/codacy-analysis-cli.
-
-name: "Codacy Security Scan"
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master ]
-  schedule:
-    - cron: '27 16 * * 5'
-
-jobs:
-  codacy-security-scan:
-    name: Codacy Security Scan
-    runs-on: ubuntu-latest
-    steps:
-      # Checkout the repository to the GitHub Actions runner
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      # Execute Codacy Analysis CLI and generate a SARIF output with the security issues identified during the analysis
-      - name: Run Codacy Analysis CLI
-        uses: codacy/codacy-analysis-cli-action@09916000460adeeedc96b9704f86deba53e2ad5d
-        with:
-          # Check https://github.com/codacy/codacy-analysis-cli#project-token to get your project token from your Codacy repository
-          # You can also omit the token and run the tools that support default configurations
-          project-token: ${{ secrets.CODACY_PROJECT_TOKEN }}
-          verbose: true
-          output: results.sarif
-          format: sarif
-          # Adjust severity of non-security issues
-          gh-code-scanning-compat: true
-          # Force 0 exit code to allow SARIF file generation
-          # This will handover control about PR rejection to the GitHub side
-          max-allowed-issues: 2147483647
-
-      # Upload the SARIF file generated in the previous step
-      - name: Upload SARIF results file
-        uses: github/codeql-action/upload-sarif@v3
-        with:
-          sarif_file: results.sarif

.github/workflows/deploy.yml

@@ -20,7 +20,7 @@ jobs:
       - name: "Set up JDK"
         uses: actions/setup-java@v4
         with:
-          java-version: '11'
+          java-version: '21'
           distribution: 'adopt'
           cache: maven
           server-id: github
@@ -91,7 +91,7 @@ jobs:
       - name: "Set up JDK"
         uses: actions/setup-java@v4
         with:
-          java-version: '11'
+          java-version: '21'
           distribution: 'adopt'
           cache: maven
           server-id: central

.github/workflows/maven.yml

@@ -19,7 +19,7 @@ jobs:
       - name: "Set up JDK"
         uses: actions/setup-java@v4
         with:
-          java-version: '11'
+          java-version: '21'
           distribution: 'adopt'
       - name: "Package"
         run: mvn -B package --file pom.xml -Dgpg.skip

.gitignore

@@ -1,3 +1,4 @@
-.idea/
+.idea/*
+!.idea/icon.svg
 **/target/
 **.iml

README.md

@@ -6,12 +6,13 @@
 [![workflow](https://github.com/CarmJos/configured/actions/workflows/maven.yml/badge.svg?branch=master)](https://github.com/CarmJos/configured/actions/workflows/maven.yml)
 [![CodeFactor](https://www.codefactor.io/repository/github/carmjos/configured/badge)](https://www.codefactor.io/repository/github/carmjos/configured)
 ![CodeSize](https://img.shields.io/github/languages/code-size/CarmJos/configured)
-![](https://visitor-badge.glitch.me/badge?page_id=configured.readme)
 
 README LANGUAGES [ [**English**](README.md) | [中文](README_CN.md)  ]
 </div>
 
-# configured (config-framework)
+# configured _(config framework)_
+
+<img src=".doc/images/logo-bg.svg" width="150px" alt="logo" align="right" style="float: right"/>
 
 _**"Once set, Simple get."**_
 
@@ -22,8 +23,8 @@ Supported **JSON**, **YAML**, **Hocon**, **TOML**, **SQL**, **MongoDB**... and m
 
 ## Features & Advantages
 
-Supported [YAML](impl/yaml), [JSON](impl/json), [HOCON](impl/hocon) and [SQL](impl/sql) based configuration files
+Supported [YAML](providers/yaml), [JSON](providers/json), [HOCON](providers/hocon) and [SQL](providers/sql) 
-format.
+based configuration files format.
 
 - Class-based mechanism for initializing, loading, retrieving, and updating configuration files, ensuring convenience
   and efficiency.
@@ -37,12 +38,12 @@ For the latest JavaDoc release, [CLICK HERE](https://CarmJos.github.io/configure
 
 For a detailed development guide, [CLICK HERE](.doc/README.md).
 
-### Code Samples
+### Preview
 
 To quickly demonstrate the applicability of the project, here are a few practical demonstrations:
 
 - [Database configuration.](demo/src/main/java/cc/carm/lib/configuration/demo/DatabaseConfiguration.java)
-- [Demonstration of all types of configuration instance classes.](demo/src/main/java/cc/carm/lib/configuration/demo/tests/conf/DemoConfiguration.java)
+- [Demonstration of configurations instance classes.](demo/src/main/java/cc/carm/lib/configuration/demo/tests/conf/DemoConfiguration.java)
 
 Check out all code demonstrations [HERE](demo/src/main/java/cc/carm/lib/configuration/demo/DatabaseConfiguration.java).
 For more examples, see the [Development Guide](.doc/README.md).

README_CN.md

@@ -6,13 +6,14 @@
 [![workflow](https://github.com/CarmJos/configured/actions/workflows/maven.yml/badge.svg?branch=master)](https://github.com/CarmJos/configured/actions/workflows/maven.yml)
 [![CodeFactor](https://www.codefactor.io/repository/github/carmjos/configured/badge)](https://www.codefactor.io/repository/github/carmjos/configured)
 ![CodeSize](https://img.shields.io/github/languages/code-size/CarmJos/configured)
-![](https://visitor-badge.glitch.me/badge?page_id=configured.readme)
 
 README LANGUAGES [ [English](README.md) | [**中文**](README_CN.md)  ]
 
 </div>
 
-# configured (config-framework)
+# configured _(配置文件框架)_
+
+<img src=".doc/images/logo-bg.svg" width="150px" alt="logo" align="right" style="float: right"/>
 
 **一次配置，轻松读取！**
 

core/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.1.0</version>
+        <version>4.1.7</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <properties>

core/src/main/java/cc/carm/lib/configuration/Configuration.java

@@ -4,4 +4,5 @@ package cc.carm.lib.configuration;
  * The root interface of the configuration file interfaces,
  * which is used to label a class as a configuration.
  */
-public interface Configuration { }
+public interface Configuration {
+}

core/src/main/java/cc/carm/lib/configuration/adapter/ValueAdapter.java

@@ -15,6 +15,7 @@ public class ValueAdapter<TYPE>
     implements ValueSerializer<TYPE>, ValueParser<TYPE> {
 
     protected final @NotNull ValueType<TYPE> type;
+
     protected @Nullable ValueSerializer<TYPE> serializer;
     protected @Nullable ValueParser<TYPE> deserializer;
 
@@ -53,13 +54,21 @@ public class ValueAdapter<TYPE>
     }
 
     @Override
-    public Object serialize(@NotNull ConfigurationHolder<?> holder, @NotNull ValueType<? super TYPE> type, @NotNull TYPE value) throws Exception {
+    public @Nullable Object serialize(
+        @NotNull ConfigurationHolder<?> holder,
+        @NotNull ValueType<? super TYPE> type,
+        @NotNull TYPE value
+    ) throws Exception {
         if (serializer == null) throw new UnsupportedOperationException("Serializer is not supported");
         return serializer.serialize(holder, type, value);
     }
 
     @Override
-    public TYPE parse(@NotNull ConfigurationHolder<?> holder, @NotNull ValueType<? super TYPE> type, @NotNull Object value) throws Exception {
+    public @Nullable TYPE parse(
+        @NotNull ConfigurationHolder<?> holder,
+        @NotNull ValueType<? super TYPE> type,
+        @NotNull Object value
+    ) throws Exception {
         if (deserializer == null) throw new UnsupportedOperationException("Deserializer is not supported");
         return deserializer.parse(holder, type, value);
     }

core/src/main/java/cc/carm/lib/configuration/adapter/ValueAdapterRegistry.java

@@ -2,13 +2,13 @@ package cc.carm.lib.configuration.adapter;
 
 import cc.carm.lib.configuration.function.DataFunction;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
-import org.jetbrains.annotations.Contract;
+import cc.carm.lib.configuration.source.section.ConfigureSection;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.util.Arrays;
+import java.lang.reflect.ParameterizedType;
-import java.util.HashSet;
+import java.lang.reflect.Type;
-import java.util.Set;
+import java.util.*;
 
 public class ValueAdapterRegistry {
 
@@ -61,7 +61,9 @@ public class ValueAdapterRegistry {
         }
     }
 
-    public <T> void register(@NotNull ValueType<T> type, @Nullable ValueSerializer<T> serializer, @Nullable ValueParser<T> deserializer) {
+    public <T> void register(@NotNull ValueType<T> type,
+                             @Nullable ValueSerializer<T> serializer,
+                             @Nullable ValueParser<T> deserializer) {
         if (serializer == null && deserializer == null) return;
         ValueAdapter<T> existing = adapterOf(type);
         if (existing != null) {
@@ -82,7 +84,9 @@ public class ValueAdapterRegistry {
 
     @SuppressWarnings("unchecked")
     public <T> @Nullable ValueAdapter<T> adapterOf(@NotNull ValueType<T> type) {
-        ValueAdapter<?> matched = adapters.stream().filter(adapter -> adapter.type().equals(type)).findFirst().orElse(null);
+        ValueAdapter<?> matched = adapters.stream()
+            .filter(adapter -> adapter.type().equals(type))
+            .findFirst().orElse(null);
         if (matched != null) return (ValueAdapter<T>) matched;
 
         // If no adapter found, try to find the adapter for the super type
@@ -99,28 +103,112 @@ public class ValueAdapterRegistry {
         return adapterOf(ValueType.of(type));
     }
 
-    @Contract("_,_,null -> null")
     public <T> T deserialize(@NotNull ConfigurationHolder<?> holder, @NotNull Class<T> type, @Nullable Object source) throws Exception {
         return deserialize(holder, ValueType.of(type), source);
     }
 
-    @Contract("_,_,null -> null")
     public <T> T deserialize(@NotNull ConfigurationHolder<?> holder, @NotNull ValueType<T> type, @Nullable Object source) throws Exception {
         if (source == null) return null; // Null check
-        if (type.isInstance(source)) return type.cast(source); // Not required to deserialize
+        if (!(type.getType() instanceof ParameterizedType) && type.isInstance(source)) {
-        ValueAdapter<T> adapter = adapterOf(type);
+            return type.cast(source); // Not required to deserialize
-        if (adapter == null) throw new RuntimeException("No adapter for type " + type);
-        return adapter.parse(holder, type, source);
         }
 
-    @Contract("_,null -> null")
+        ValueAdapter<T> adapter = adapterOf(type); // Try to find an existed adapter for the type
+        if (adapter != null) {
+            return adapter.parse(holder, type, source);
+        } // If no adapter found, we will try to handle the type manually
+
+        if (type.getRawType().isArray()) { // For arrays.
+            List<?> list = deserializeList(holder, type, source);
+            Object[] array = (Object[]) java.lang.reflect.Array.newInstance(type.getRawType().getComponentType(), list.size());
+            for (int i = 0; i < list.size(); i++) {
+                array[i] = deserialize(holder, type.getRawType().getComponentType(), list.get(i));
+            }
+            return type.cast(array);
+        } else if (type.getType() instanceof ParameterizedType) {
+            ParameterizedType pt = (ParameterizedType) type.getType();
+            Type rawType = pt.getRawType();
+            Type[] typeArgs = pt.getActualTypeArguments();
+            if (rawType == List.class || rawType == Collection.class || rawType == ArrayList.class) {
+                return type.cast(new ArrayList<>(deserializeList(holder, ValueType.of(typeArgs[0]), source)));
+            } else if (rawType == Set.class || rawType == HashSet.class) {
+                return type.cast(new HashSet<>(deserializeList(holder, ValueType.of(typeArgs[0]), source)));
+            } else if (rawType == Map.class || rawType == LinkedHashMap.class) {
+                Map<?, ?> map;
+                if (source instanceof Map<?, ?>) {
+                    map = (Map<?, ?>) source;
+                } else if (source instanceof ConfigureSection) {
+                    map = ((ConfigureSection) source).asMap();
+                } else {
+                    throw new IllegalArgumentException("Cannot deserialize to Map from " + source.getClass());
+                }
+                Map<Object, Object> resultMap = new LinkedHashMap<>(map.size());
+                for (Map.Entry<?, ?> entry : map.entrySet()) {
+                    Object key = deserialize(holder, ValueType.of(typeArgs[0]), entry.getKey());
+                    Object value = deserialize(holder, ValueType.of(typeArgs[1]), entry.getValue());
+                    resultMap.put(key, value);
+                }
+                return type.cast(resultMap);
+            }
+        }
+        throw new RuntimeException("No adapter for type " + type);
+    }
+
+    @Nullable
     public <T> Object serialize(@NotNull ConfigurationHolder<?> holder, @Nullable T value) throws Exception {
         if (value == null) return null; // Null check
+
         ValueType<T> type = ValueType.of(value);
         ValueAdapter<T> adapter = adapterOf(type);
-        if (adapter == null) return value; // No adapters, try to return the original value
+        if (adapter != null) return adapter.serialize(holder, type, value);
-        return adapter.serialize(holder, type, value);
+
+        if (value.getClass().isArray()) {
+            Object[] array = (Object[]) value;
+            List<Object> serializedList = new ArrayList<>(array.length);
+            for (Object item : array) {
+                serializedList.add(serialize(holder, item));
+            }
+            return serializedList;
+        } else if (value instanceof Collection<?>) {
+            Collection<?> collection = (Collection<?>) value;
+            List<Object> serializedList = new ArrayList<>(collection.size());
+            for (Object item : collection) {
+                serializedList.add(serialize(holder, item));
+            }
+            return serializedList;
+        } else if (value instanceof Map<?, ?>) {
+            Map<?, ?> map = (Map<?, ?>) value;
+            Map<Object, Object> serializedMap = new LinkedHashMap<>(map.size());
+            for (Map.Entry<?, ?> entry : map.entrySet()) {
+                Object key = serialize(holder, entry.getKey());
+                Object val = serialize(holder, entry.getValue());
+                serializedMap.put(key, val);
+            }
+            return serializedMap;
         }
 
+        return value; // No adapters, and cannot handle, try to return the original value
+    }
+
+    protected <T> List<T> deserializeList(@NotNull ConfigurationHolder<?> holder,
+                                          @NotNull ValueType<T> type, @Nullable Object source) throws Exception {
+        if (source == null) return Collections.emptyList(); // Null check
+        if (source instanceof List<?>) {
+            List<?> list = (List<?>) source;
+            List<T> result = new ArrayList<>(list.size());
+            for (Object item : list) {
+                T deserializedItem = deserialize(holder, type, item);
+                if (deserializedItem != null) {
+                    result.add(deserializedItem);
+                }
+            }
+            return result;
+        } else { // Maybe singleton? Let's try to deserialize it as a single element list
+            T deserializedItem = deserialize(holder, type, source);
+            if (deserializedItem != null) {
+                return Collections.singletonList(deserializedItem);
+            } else return Collections.emptyList();
+        }
+    }
 
 }

core/src/main/java/cc/carm/lib/configuration/adapter/ValueParser.java

@@ -2,6 +2,7 @@ package cc.carm.lib.configuration.adapter;
 
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 /**
  * Value deserializer, convert base data to target value.
@@ -11,7 +12,7 @@ import org.jetbrains.annotations.NotNull;
 @FunctionalInterface
 public interface ValueParser<TYPE> {
 
-    TYPE parse(
+    @Nullable TYPE parse(
         @NotNull ConfigurationHolder<?> holder,
         @NotNull ValueType<? super TYPE> type, @NotNull Object data
     ) throws Exception;

core/src/main/java/cc/carm/lib/configuration/adapter/ValueSerializer.java

@@ -2,6 +2,7 @@ package cc.carm.lib.configuration.adapter;
 
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 /**
  * Value serializer, convert target value to base data.
@@ -11,7 +12,7 @@ import org.jetbrains.annotations.NotNull;
 @FunctionalInterface
 public interface ValueSerializer<TYPE> {
 
-    Object serialize(
+    @Nullable Object serialize(
         @NotNull ConfigurationHolder<?> holder,
         @NotNull ValueType<? super TYPE> type, @NotNull TYPE value
     ) throws Exception;

core/src/main/java/cc/carm/lib/configuration/adapter/ValueType.java

@@ -1,5 +1,6 @@
 package cc.carm.lib.configuration.adapter;
 
+import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import java.lang.reflect.ParameterizedType;
@@ -9,7 +10,13 @@ import java.util.Map;
 import java.util.Objects;
 
 /**
- * Used to get the generic type.
+ * {@link ValueType} used to get the generic type of the value,
+ * It can be used to check if an object is an instance of a specific type,
+ * and to cast objects to the correct type.
+ * <p>
+ * Java's type system is not capable of retaining generic type information at runtime.
+ * This class is used to represent a type with its generic parameters.
+ * </p>
  */
 public abstract class ValueType<T> {
 
@@ -44,7 +51,7 @@ public abstract class ValueType<T> {
     @SuppressWarnings("unchecked")
     public static <T> ValueType<T> of(final Type type) {
         if (type == null) throw new NullPointerException("Type cannot be null");
-        if (type instanceof Class<?>) { // Try handle primitive types
+        if (type instanceof Class<?>) { // Try to fast handle primitive types
             Class<?> clazz = (Class<?>) type;
             for (ValueType<?> valueType : PRIMITIVE_TYPES) {
                 if (valueType.getRawType() == clazz) {
@@ -56,10 +63,26 @@ public abstract class ValueType<T> {
         };
     }
 
-    public static <T> ValueType<T> of(final Class<T> clazz) {
+    public static <T> ValueType<T> of(final @NotNull Class<T> clazz) {
         return of((Type) clazz);
     }
 
+    public static <T> ValueType<List<T>> ofList(final @NotNull Class<T> paramType) {
+        return of(List.class, paramType);
+    }
+
+    public static <T> ValueType<List<T>> ofList(final @NotNull ValueType<T> paramType) {
+        return of(List.class, paramType.getType());
+    }
+
+    public static <K, V> ValueType<Map<K, V>> ofMap(final @NotNull Class<K> keyType, final @NotNull Class<V> valueType) {
+        return of(Map.class, keyType, valueType);
+    }
+
+    public static <K, V> ValueType<Map<K, V>> ofMap(final @NotNull ValueType<K> keyType, final @NotNull ValueType<V> valueType) {
+        return of(Map.class, keyType.getType(), valueType.getType());
+    }
+
     /**
      * Get the generic type of the complex type.
      *
@@ -88,6 +111,7 @@ public abstract class ValueType<T> {
         return of(parameterizedType);
     }
 
+    @ApiStatus.Internal
     private static <T> ValueType<T> ofPrimitiveType(Class<T> clazz) {
         return new ValueType<T>(clazz) {
         };
@@ -107,40 +131,65 @@ public abstract class ValueType<T> {
         return type;
     }
 
+    /**
+     * Checks if this ValueType is a subtype of the given Class.
+     *
+     * @param target The target Class to check against
+     * @return true if this ValueType is a subtype of the target Class, false otherwise
+     */
     public boolean isSubtypeOf(Class<?> target) {
         Class<?> rawType = getRawType();
         return target.isAssignableFrom(rawType);
     }
 
+    /**
+     * Checks if this ValueType is a subtype of the given ValueType.
+     *
+     * @param target The target ValueType to check against
+     * @return true if this ValueType is a subtype of the target, false otherwise
+     */
     public boolean isSubtypeOf(ValueType<?> target) {
         return target.isSubtypeOf(getRawType());
     }
 
+    /**
+     * Checks if the given object is an instance of the type represented by this ValueType.
+     *
+     * @param obj The object to check
+     * @return true if the object is an instance of the type, false otherwise
+     */
     public boolean isInstance(Object obj) {
         return obj != null && getRawType().isInstance(obj);
     }
 
 
     /**
-     * 提取当前 ValueType 的原始类型（Class 对象）。
+     * Extracts the raw type from the generic type.
      *
-     * @return 对应的 Class 对象
+     * @return The raw type of the generic type
-     * @throws IllegalStateException 如果无法提取出原始类型
+     * @throws IllegalStateException if the type is not a Class or ParameterizedType
      */
-    public Class<?> getRawType() {
+    @SuppressWarnings("unchecked")
+    public Class<T> getRawType() {
         if (type instanceof Class<?>) {
-            return (Class<?>) type;
+            return (Class<T>) type;
         }
         if (type instanceof ParameterizedType) {
             ParameterizedType pt = (ParameterizedType) type;
             Type raw = pt.getRawType();
             if (raw instanceof Class<?>) {
-                return (Class<?>) raw;
+                return (Class<T>) raw;
             }
         }
         throw new IllegalStateException("Unsupported type: " + type);
     }
 
+    /**
+     * Casts the object to the type represented by this ValueType.
+     *
+     * @param obj The object to cast
+     * @return The object cast to the type represented by this ValueType
+     */
     @SuppressWarnings("unchecked")
     public T cast(Object obj) {
         if (!isInstance(obj)) {
@@ -149,6 +198,12 @@ public abstract class ValueType<T> {
         return (T) obj;
     }
 
+    /**
+     * Returns a string representation of the type.
+     * Like "{@code java.util.List<java.lang.String>}" or "java.lang.Integer".
+     *
+     * @return String representation of the type
+     */
     @Override
     public String toString() {
         if (type instanceof Class<?>) {

core/src/main/java/cc/carm/lib/configuration/adapter/strandard/StandardAdapters.java

@@ -5,6 +5,8 @@ import cc.carm.lib.configuration.adapter.ValueType;
 import cc.carm.lib.configuration.source.section.ConfigureSection;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.UUID;
+
 import static cc.carm.lib.configuration.adapter.strandard.PrimitiveAdapter.*;
 
 public interface StandardAdapters {
@@ -17,6 +19,12 @@ public interface StandardAdapters {
 
     @NotNull ValueAdapter<Enum<?>> ENUMS = PrimitiveAdapter.ofEnum();
 
+    @NotNull ValueAdapter<UUID> UUID = new ValueAdapter<>(
+        ValueType.of(UUID.class),
+        (provider, type, value) -> value.toString(),
+        (provider, type, value) -> java.util.UUID.fromString(value.toString())
+    );
+
     @NotNull ValueAdapter<ConfigureSection> SECTIONS = new ValueAdapter<>(
         ValueType.of(ConfigureSection.class),
         (provider, type, value) -> value,

core/src/main/java/cc/carm/lib/configuration/builder/AbstractConfigBuilder.java

@@ -1,6 +1,8 @@
 package cc.carm.lib.configuration.builder;
 
 import cc.carm.lib.configuration.adapter.ValueType;
+import cc.carm.lib.configuration.function.DataValidator;
+import cc.carm.lib.configuration.function.ValueValidator;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetaHolder;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetadata;
@@ -11,11 +13,12 @@ import org.jetbrains.annotations.Nullable;
 
 import java.util.function.BiConsumer;
 import java.util.function.Consumer;
+import java.util.function.Predicate;
 import java.util.function.Supplier;
 
 public abstract class AbstractConfigBuilder<
-        TYPE, RESULT extends ConfigValue<TYPE>, HOLDER extends ConfigurationHolder<?>,
+    TYPE, UNIT, RESULT extends ConfigValue<TYPE, UNIT>, HOLDER extends ConfigurationHolder<?>,
-        SELF extends AbstractConfigBuilder<TYPE, RESULT, HOLDER, SELF>
+    SELF extends AbstractConfigBuilder<TYPE, UNIT, RESULT, HOLDER, SELF>
     > {
 
     protected final Class<? super HOLDER> providerClass;
@@ -24,6 +27,7 @@ public abstract class AbstractConfigBuilder<
     protected @Nullable HOLDER holder;
     protected @Nullable String path;
 
+    protected @NotNull ValueValidator<UNIT> valueValidator = ValueValidator.none();
     protected @NotNull Supplier<@Nullable TYPE> defaultValueSupplier = () -> null;
     protected @NotNull BiConsumer<ConfigurationHolder<?>, String> initializer = (h, p) -> {
     };
@@ -37,54 +41,121 @@ public abstract class AbstractConfigBuilder<
         return type;
     }
 
-    protected abstract @NotNull SELF self();
+    protected abstract SELF self();
 
     public abstract @NotNull RESULT build();
 
-    public @NotNull SELF holder(@Nullable HOLDER holder) {
+    public SELF holder(@Nullable HOLDER holder) {
         this.holder = holder;
         return self();
     }
 
-    public @NotNull SELF path(@Nullable String path) {
+    public SELF path(@Nullable String path) {
         this.path = path;
         return self();
     }
 
-    public @NotNull SELF initializer(@NotNull BiConsumer<ConfigurationHolder<?>, String> initializer) {
+    /**
+     * Set the {@link ValueValidator} for the value.
+     *
+     * @param validator The validator to set.
+     * @return this builder
+     */
+    public SELF validator(@NotNull ValueValidator<UNIT> validator) {
+        this.valueValidator = validator;
+        return self();
+    }
+
+    /**
+     * Set the {@link DataValidator} for the value.
+     *
+     * @param validator The validator to set.
+     * @return this builder
+     */
+    public SELF validator(@NotNull DataValidator<? super UNIT> validator) {
+        return validator((h, value) -> validator.validate(value));
+    }
+
+    /**
+     * Validate the value with the specified condition.
+     *
+     * @param validator The validator to append.
+     * @return this builder
+     */
+    public SELF validate(@NotNull ValueValidator<? super UNIT> validator) {
+        return validator(this.valueValidator.and(validator));
+    }
+
+    /**
+     * Validate the value with the specified condition.
+     *
+     * @param validator The validator to append.
+     * @return this builder
+     */
+    public SELF validate(@NotNull DataValidator<? super UNIT> validator) {
+        return validate((h, value) -> validator.validate(value));
+    }
+
+    /**
+     * Validate the value with the specified condition.
+     *
+     * @param condition The condition to check, if the condition is false, an exception will be thrown.
+     * @param exception The exception to throw if the condition is false.
+     * @return this builder
+     */
+    public SELF validate(@NotNull Predicate<? super UNIT> condition, @NotNull Exception exception) {
+        return validate((h, value) -> {
+            if (!condition.test(value)) throw exception;
+        });
+    }
+
+    /**
+     * Validate the value with the specified condition.
+     *
+     * @param condition The condition to check, if the condition is false, an exception will be thrown.
+     * @param msg       The message to throw if the condition is false.
+     * @return this builder
+     */
+    public SELF validate(@NotNull Predicate<? super UNIT> condition, @NotNull String msg) {
+        return validate((h, value) -> {
+            if (!condition.test(value)) throw new IllegalArgumentException(msg);
+        });
+    }
+
+    public SELF initializer(@NotNull BiConsumer<ConfigurationHolder<?>, String> initializer) {
         this.initializer = initializer;
         return self();
     }
 
-    public @NotNull SELF append(@NotNull BiConsumer<ConfigurationHolder<?>, String> initializer) {
+    public SELF append(@NotNull BiConsumer<ConfigurationHolder<?>, String> initializer) {
         return initializer(initializer.andThen(initializer));
     }
 
-    public @NotNull SELF append(@NotNull Consumer<ConfigurationHolder<?>> initializer) {
+    public SELF append(@NotNull Consumer<ConfigurationHolder<?>> initializer) {
         return append((provider, valuePath) -> initializer.accept(provider));
     }
 
-    public @NotNull SELF defaults(@Nullable TYPE defaultValue) {
+    public SELF defaults(@Nullable TYPE defaultValue) {
         return defaults(() -> defaultValue);
     }
 
-    public @NotNull SELF defaults(@NotNull Supplier<@Nullable TYPE> supplier) {
+    public SELF defaults(@NotNull Supplier<@Nullable TYPE> supplier) {
         this.defaultValueSupplier = supplier;
         return self();
     }
 
-    public <M> @NotNull SELF meta(@NotNull Consumer<@NotNull ConfigurationMetaHolder> metaConsumer) {
+    public SELF meta(@NotNull Consumer<@NotNull ConfigurationMetaHolder> metaConsumer) {
         return append((h, p) -> metaConsumer.accept(h.metadata(p)));
     }
 
-    public <M> @NotNull SELF meta(@NotNull ConfigurationMetadata<M> type, @Nullable M value) {
+    public <M> SELF meta(@NotNull ConfigurationMetadata<M> type, @Nullable M value) {
         return meta(h -> h.set(type, value));
     }
 
-    protected @NotNull ValueManifest<TYPE> buildManifest() {
+    protected @NotNull ValueManifest<TYPE, UNIT> buildManifest() {
         return new ValueManifest<>(
-                type(), this.defaultValueSupplier, this.initializer,
+            type(), this.defaultValueSupplier, this.valueValidator,
-                this.holder, this.path
+            this.initializer, this.holder, this.path
         );
     }
 

core/src/main/java/cc/carm/lib/configuration/builder/CommonConfigBuilder.java

@@ -4,8 +4,11 @@ import cc.carm.lib.configuration.adapter.ValueType;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.value.ConfigValue;
 
-public abstract class CommonConfigBuilder<TYPE, RESULT extends ConfigValue<TYPE>, SELF extends CommonConfigBuilder<TYPE, RESULT, SELF>>
+public abstract class CommonConfigBuilder<
-        extends AbstractConfigBuilder<TYPE, RESULT, ConfigurationHolder<?>, SELF> {
+    TYPE, UNIT,
+    RESULT extends ConfigValue<TYPE, UNIT>,
+    SELF extends CommonConfigBuilder<TYPE, UNIT, RESULT, SELF>
+    > extends AbstractConfigBuilder<TYPE, UNIT, RESULT, ConfigurationHolder<?>, SELF> {
 
     protected CommonConfigBuilder(ValueType<TYPE> type) {
         super(ConfigurationHolder.class, type);

core/src/main/java/cc/carm/lib/configuration/builder/impl/AbstractSectionBuilder.java

@@ -4,7 +4,7 @@ import cc.carm.lib.configuration.adapter.ValueAdapter;
 import cc.carm.lib.configuration.adapter.ValueType;
 import cc.carm.lib.configuration.builder.CommonConfigBuilder;
 import cc.carm.lib.configuration.function.DataFunction;
-import cc.carm.lib.configuration.function.ValueConsumer;
+import cc.carm.lib.configuration.function.ValueComposer;
 import cc.carm.lib.configuration.function.ValueHandler;
 import cc.carm.lib.configuration.source.section.ConfigureSection;
 import cc.carm.lib.configuration.value.ConfigValue;
@@ -14,45 +14,45 @@ import java.util.LinkedHashMap;
 import java.util.Map;
 
 public abstract class AbstractSectionBuilder<
-        TYPE, PARAM,
+    TYPE, UNIT,
-        RESULT extends ConfigValue<TYPE>,
+    RESULT extends ConfigValue<TYPE, UNIT>,
-        SELF extends AbstractSectionBuilder<TYPE, PARAM, RESULT, SELF>
+    SELF extends AbstractSectionBuilder<TYPE, UNIT, RESULT, SELF>
-        > extends CommonConfigBuilder<TYPE, RESULT, SELF> {
+    > extends CommonConfigBuilder<TYPE, UNIT, RESULT, SELF> {
 
 
-    protected final @NotNull ValueType<PARAM> paramType;
+    protected final @NotNull ValueType<UNIT> paramType;
 
-    protected @NotNull ValueHandler<ConfigureSection, PARAM> parser;
+    protected @NotNull ValueHandler<ConfigureSection, UNIT> parser;
-    protected @NotNull ValueHandler<PARAM, ? extends Map<String, Object>> serializer;
+    protected @NotNull ValueHandler<UNIT, ? extends Map<String, Object>> serializer;
 
-    protected AbstractSectionBuilder(@NotNull ValueType<TYPE> type, @NotNull ValueType<PARAM> paramType,
+    protected AbstractSectionBuilder(@NotNull ValueType<TYPE> type, @NotNull ValueType<UNIT> paramType,
-                                     @NotNull ValueHandler<ConfigureSection, PARAM> parser,
+                                     @NotNull ValueHandler<ConfigureSection, UNIT> parser,
-                                     @NotNull ValueHandler<PARAM, ? extends Map<String, Object>> serializer) {
+                                     @NotNull ValueHandler<UNIT, ? extends Map<String, Object>> serializer) {
         super(type);
         this.paramType = paramType;
         this.parser = parser;
         this.serializer = serializer;
     }
 
-    public @NotNull SELF parse(@NotNull DataFunction<ConfigureSection, PARAM> valueParser) {
+    public @NotNull SELF parse(@NotNull DataFunction<ConfigureSection, UNIT> valueParser) {
         return parse((p, section) -> valueParser.handle(section));
     }
 
-    public @NotNull SELF parse(@NotNull ValueHandler<ConfigureSection, PARAM> valueParser) {
+    public @NotNull SELF parse(@NotNull ValueHandler<ConfigureSection, UNIT> valueParser) {
         this.parser = valueParser;
         return self();
     }
 
-    public @NotNull SELF serialize(@NotNull ValueHandler<PARAM, ? extends Map<String, Object>> serializer) {
+    public @NotNull SELF serialize(@NotNull ValueHandler<UNIT, ? extends Map<String, Object>> serializer) {
         this.serializer = serializer;
         return self();
     }
 
-    public @NotNull SELF serialize(@NotNull DataFunction<PARAM, ? extends Map<String, Object>> serializer) {
+    public @NotNull SELF serialize(@NotNull DataFunction<UNIT, ? extends Map<String, Object>> serializer) {
         return serialize((p, value) -> serializer.handle(value));
     }
 
-    public @NotNull SELF serialize(@NotNull ValueConsumer<Map<String, Object>, PARAM> serializer) {
+    public @NotNull SELF serialize(@NotNull ValueComposer<Map<String, Object>, UNIT> serializer) {
         return serialize((h, value) -> {
             Map<String, Object> map = new LinkedHashMap<>();
             serializer.accept(h, map, value);
@@ -60,7 +60,7 @@ public abstract class AbstractSectionBuilder<
         });
     }
 
-    protected ValueAdapter<PARAM> buildAdapter() {
+    protected ValueAdapter<UNIT> buildAdapter() {
         return new ValueAdapter<>(this.paramType)
             .parser((p, type, data) -> {
                 ConfigureSection section = p.deserialize(ConfigureSection.class, data);

core/src/main/java/cc/carm/lib/configuration/builder/impl/AbstractSourceBuilder.java

@@ -9,19 +9,19 @@ import cc.carm.lib.configuration.value.ConfigValue;
 import org.jetbrains.annotations.NotNull;
 
 public abstract class AbstractSourceBuilder<
-        V, SOURCE, PARAM, RESULT extends ConfigValue<V>,
+    V, SOURCE, UNIT, RESULT extends ConfigValue<V, UNIT>,
-        SELF extends AbstractSourceBuilder<V, SOURCE, PARAM, RESULT, SELF>
+    SELF extends AbstractSourceBuilder<V, SOURCE, UNIT, RESULT, SELF>
-        > extends CommonConfigBuilder<V, RESULT, SELF> {
+    > extends CommonConfigBuilder<V, UNIT, RESULT, SELF> {
 
     protected final @NotNull ValueType<SOURCE> sourceType;
-    protected final @NotNull ValueType<PARAM> paramType;
+    protected final @NotNull ValueType<UNIT> paramType;
-    protected @NotNull ValueHandler<SOURCE, PARAM> valueParser;
+    protected @NotNull ValueHandler<SOURCE, UNIT> valueParser;
-    protected @NotNull ValueHandler<PARAM, SOURCE> valueSerializer;
+    protected @NotNull ValueHandler<UNIT, SOURCE> valueSerializer;
 
     protected AbstractSourceBuilder(@NotNull ValueType<V> type,
-                                    @NotNull ValueType<SOURCE> sourceType, @NotNull ValueType<PARAM> paramType,
+                                    @NotNull ValueType<SOURCE> sourceType, @NotNull ValueType<UNIT> paramType,
-                                    @NotNull ValueHandler<SOURCE, PARAM> parser,
+                                    @NotNull ValueHandler<SOURCE, UNIT> parser,
-                                    @NotNull ValueHandler<PARAM, SOURCE> serializer) {
+                                    @NotNull ValueHandler<UNIT, SOURCE> serializer) {
         super(type);
         this.sourceType = sourceType;
         this.paramType = paramType;
@@ -29,25 +29,25 @@ public abstract class AbstractSourceBuilder<
         this.valueSerializer = serializer;
     }
 
-    public @NotNull SELF parse(@NotNull DataFunction<SOURCE, PARAM> parser) {
+    public @NotNull SELF parse(@NotNull DataFunction<SOURCE, UNIT> parser) {
         return parse((p, source) -> parser.handle(source));
     }
 
-    public @NotNull SELF parse(@NotNull ValueHandler<SOURCE, PARAM> parser) {
+    public @NotNull SELF parse(@NotNull ValueHandler<SOURCE, UNIT> parser) {
         this.valueParser = parser;
         return self();
     }
 
-    public @NotNull SELF serialize(@NotNull ValueHandler<PARAM, SOURCE> serializer) {
+    public @NotNull SELF serialize(@NotNull ValueHandler<UNIT, SOURCE> serializer) {
         this.valueSerializer = serializer;
         return self();
     }
 
-    public @NotNull SELF serialize(@NotNull DataFunction<PARAM, SOURCE> serializer) {
+    public @NotNull SELF serialize(@NotNull DataFunction<UNIT, SOURCE> serializer) {
         return serialize((p, value) -> serializer.handle(value));
     }
 
-    protected ValueAdapter<PARAM> buildAdapter() {
+    protected ValueAdapter<UNIT> buildAdapter() {
         return new ValueAdapter<>(this.paramType)
             .parser((holder, type, data) -> {
                 SOURCE source = holder.deserialize(this.sourceType, data);

core/src/main/java/cc/carm/lib/configuration/builder/list/SectionListBuilder.java

@@ -8,9 +8,11 @@ import cc.carm.lib.configuration.value.standard.ConfiguredList;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.*;
+import java.util.function.Consumer;
 import java.util.function.Supplier;
 
-public class SectionListBuilder<V> extends AbstractSectionBuilder<List<V>, V, ConfiguredList<V>, SectionListBuilder<V>> {
+public class SectionListBuilder<V>
+    extends AbstractSectionBuilder<List<V>, V, ConfiguredList<V>, SectionListBuilder<V>> {
 
     protected @NotNull Supplier<? extends List<V>> constructor;
 
@@ -32,6 +34,14 @@ public class SectionListBuilder<V> extends AbstractSectionBuilder<List<V>, V, Co
         return defaults(new ArrayList<>(values));
     }
 
+    public final @NotNull SectionListBuilder<V> defaults(@NotNull Consumer<List<V>> constructor) {
+        return defaults(() -> {
+            List<V> list = new ArrayList<>();
+            constructor.accept(list);
+            return list;
+        });
+    }
+
     public SectionListBuilder<V> constructor(@NotNull Supplier<? extends List<V>> constructor) {
         this.constructor = constructor;
         return this;

core/src/main/java/cc/carm/lib/configuration/builder/list/SourceListBuilder.java

@@ -10,6 +10,7 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
+import java.util.function.Consumer;
 import java.util.function.Supplier;
 
 public class SourceListBuilder<SOURCE, V>
@@ -34,6 +35,23 @@ public class SourceListBuilder<SOURCE, V>
         return defaults(new ArrayList<>(values));
     }
 
+    public final @NotNull SourceListBuilder<SOURCE, V> defaults(@NotNull Consumer<List<V>> constructor) {
+        return defaults(() -> {
+            List<V> list = new ArrayList<>();
+            constructor.accept(list);
+            return list;
+        });
+    }
+
+    public SourceListBuilder<SOURCE, V> constructor(@NotNull Supplier<? extends List<V>> constructor) {
+        this.constructor = constructor;
+        return this;
+    }
+
+    public <LIST extends List<V>> SourceListBuilder<SOURCE, V> construct(@NotNull LIST list) {
+        return constructor(() -> list);
+    }
+
     @Override
     protected @NotNull SourceListBuilder<SOURCE, V> self() {
         return this;

core/src/main/java/cc/carm/lib/configuration/builder/map/SectionMapBuilder.java

@@ -14,10 +14,7 @@ import java.util.function.Consumer;
 import java.util.function.Supplier;
 
 public class SectionMapBuilder<MAP extends Map<K, V>, K, V>
-        extends AbstractSectionBuilder<
+    extends AbstractSectionBuilder<Map<K, V>, V, ConfiguredMap<K, V>, SectionMapBuilder<MAP, K, V>> {
-        Map<K, V>, V, ConfiguredMap<K, V>,
-        SectionMapBuilder<MAP, K, V>
-        > {
 
     protected final @NotNull ValueType<K> keyType;
 

core/src/main/java/cc/carm/lib/configuration/builder/map/SourceMapBuilder.java

@@ -13,10 +13,7 @@ import java.util.function.Consumer;
 import java.util.function.Supplier;
 
 public class SourceMapBuilder<MAP extends Map<K, V>, SOURCE, K, V>
-        extends AbstractSourceBuilder<
+    extends AbstractSourceBuilder<Map<K, V>, SOURCE, V, ConfiguredMap<K, V>, SourceMapBuilder<MAP, SOURCE, K, V>> {
-        Map<K, V>, SOURCE, V, ConfiguredMap<K, V>,
-        SourceMapBuilder<MAP, SOURCE, K, V>
-        > {
 
     protected final @NotNull ValueType<K> keyType;
 

core/src/main/java/cc/carm/lib/configuration/builder/value/ConfigValueBuilder.java

@@ -1,7 +1,6 @@
 package cc.carm.lib.configuration.builder.value;
 
 import cc.carm.lib.configuration.adapter.ValueType;
-import cc.carm.lib.configuration.builder.impl.AbstractSectionBuilder;
 import cc.carm.lib.configuration.function.ValueHandler;
 import cc.carm.lib.configuration.source.section.ConfigureSection;
 import org.jetbrains.annotations.NotNull;

core/src/main/java/cc/carm/lib/configuration/builder/value/SourceValueBuilder.java

@@ -6,7 +6,8 @@ import cc.carm.lib.configuration.function.ValueHandler;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;
 import org.jetbrains.annotations.NotNull;
 
-public class SourceValueBuilder<S, V> extends AbstractSourceBuilder<V, S, V, ConfiguredValue<V>, SourceValueBuilder<S, V>> {
+public class SourceValueBuilder<S, V>
+    extends AbstractSourceBuilder<V, S, V, ConfiguredValue<V>, SourceValueBuilder<S, V>> {
 
 
     public SourceValueBuilder(@NotNull ValueType<S> sourceType, @NotNull ValueType<V> valueType,

core/src/main/java/cc/carm/lib/configuration/function/ConfigExceptionHandler.java

@@ -0,0 +1,22 @@
+package cc.carm.lib.configuration.function;
+
+import org.jetbrains.annotations.NotNull;
+
+@FunctionalInterface
+public interface ConfigExceptionHandler {
+
+    void handle(@NotNull String path, @NotNull Throwable throwable);
+
+    static @NotNull ConfigExceptionHandler silence() {
+        return (path, throwable) -> {
+        };
+    }
+
+    static @NotNull ConfigExceptionHandler print() {
+        return (path, throwable) -> {
+            System.err.println("Error occurred at path: " + path);
+            throwable.printStackTrace();
+        };
+    }
+
+}

core/src/main/java/cc/carm/lib/configuration/function/DataValidator.java

@@ -0,0 +1,17 @@
+package cc.carm.lib.configuration.function;
+
+import org.jetbrains.annotations.Nullable;
+
+@FunctionalInterface
+public interface DataValidator<T> {
+
+    void validate(@Nullable T value) throws Exception;
+
+    default DataValidator<T> compose(DataValidator<? super T> other) {
+        return value -> {
+            validate(value);
+            other.validate(value);
+        };
+    }
+
+}

core/src/main/java/cc/carm/lib/configuration/function/ValueComposer.java

@@ -0,0 +1,29 @@
+package cc.carm.lib.configuration.function;
+
+
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import org.jetbrains.annotations.NotNull;
+
+@FunctionalInterface
+public interface ValueComposer<T, U> {
+
+    /**
+     * Accept the value and the data, and then compose the value.
+     *
+     * @param holder The configuration holder
+     * @param type   The value type, e.g. {@link java.util.List}, {@link java.util.Map}, etc.
+     * @param data   The unit data
+     * @throws Exception If an error occurs
+     */
+    void accept(@NotNull ConfigurationHolder<?> holder, @NotNull T type, @NotNull U data) throws Exception;
+
+    default ValueComposer<T, U> andThen(ValueComposer<? super T, ? super U> after) {
+        return (holder, unit, data) -> {
+            accept(holder, unit, data);
+            after.accept(holder, unit, data);
+        };
+    }
+
+}
+
+

core/src/main/java/cc/carm/lib/configuration/function/ValueConsumer.java

@@ -1,21 +0,0 @@
-package cc.carm.lib.configuration.function;
-
-
-import cc.carm.lib.configuration.source.ConfigurationHolder;
-import org.jetbrains.annotations.NotNull;
-
-@FunctionalInterface
-public interface ValueConsumer<U, T> {
-
-    void accept(@NotNull ConfigurationHolder<?> holder, @NotNull U unit, @NotNull T data) throws Exception;
-
-    default ValueConsumer<U, T> andThen(ValueConsumer<? super U, ? super T> after) {
-        return (holder, unit, data) -> {
-            accept(holder, unit, data);
-            after.accept(holder, unit, data);
-        };
-    }
-
-}
-
-

core/src/main/java/cc/carm/lib/configuration/function/ValueValidator.java

@@ -0,0 +1,47 @@
+package cc.carm.lib.configuration.function;
+
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+@FunctionalInterface
+public interface ValueValidator<T> {
+
+    void validate(@NotNull ConfigurationHolder<?> holder, @Nullable T value) throws Exception;
+
+    default ValueValidator<T> and(ValueValidator<? super T> other) {
+        return (holder, value) -> {
+            validate(holder, value);
+            other.validate(holder, value);
+        };
+    }
+
+    static <V> ValueValidator<V> none() {
+        return (holder, data) -> {
+        };
+    }
+
+    static <V> ValueValidator<V> nonnull() {
+        return nonnull("Value cannot be null");
+    }
+
+    static <V> ValueValidator<V> nonnull(String message) {
+        return (holder, data) -> {
+            if (data == null) throw new IllegalArgumentException(message);
+        };
+    }
+
+    static <V extends Number> ValueValidator<V> range(V min, V max) {
+        return range(min, max, "Value must be in range [" + min + ", " + max + "]");
+    }
+
+    static <V extends Number> ValueValidator<V> range(V min, V max, String message) {
+        return (holder, data) -> {
+            if (data.doubleValue() < min.doubleValue() || data.doubleValue() > max.doubleValue()) {
+                throw new IllegalArgumentException(message);
+            }
+        };
+    }
+
+
+}

core/src/main/java/cc/carm/lib/configuration/source/ConfigurationFactory.java

@@ -2,7 +2,9 @@ package cc.carm.lib.configuration.source;
 
 import cc.carm.lib.configuration.adapter.*;
 import cc.carm.lib.configuration.adapter.strandard.StandardAdapters;
+import cc.carm.lib.configuration.function.ConfigExceptionHandler;
 import cc.carm.lib.configuration.function.DataFunction;
+import cc.carm.lib.configuration.function.ValueValidator;
 import cc.carm.lib.configuration.source.loader.ConfigurationInitializer;
 import cc.carm.lib.configuration.source.loader.PathGenerator;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetaHolder;
@@ -33,15 +35,17 @@ public abstract class ConfigurationFactory<
     SELF
     > {
 
-    protected ValueAdapterRegistry adapters = new ValueAdapterRegistry();
+    protected @NotNull ValueAdapterRegistry adapters = new ValueAdapterRegistry();
-    protected ConfigurationOptionHolder options = new ConfigurationOptionHolder();
+    protected @NotNull ConfigurationOptionHolder options = new ConfigurationOptionHolder();
     protected @NotNull Map<String, ConfigurationMetaHolder> metadata = new HashMap<>();
-    protected ConfigurationInitializer initializer = new ConfigurationInitializer();
+    protected @NotNull ConfigurationInitializer initializer = new ConfigurationInitializer();
+    protected @NotNull ConfigExceptionHandler exceptionHandler = ConfigExceptionHandler.print();
 
-    public ConfigurationFactory() {
+    protected ConfigurationFactory() {
         this.adapters.register(StandardAdapters.PRIMITIVES);
         this.adapters.register(StandardAdapters.SECTIONS);
         this.adapters.register(StandardAdapters.ENUMS);
+        this.adapters.register(StandardAdapters.UUID);
     }
 
     protected abstract SELF self();
@@ -146,6 +150,11 @@ public abstract class ConfigurationFactory<
         return self();
     }
 
+    public SELF exceptionally(@NotNull ConfigExceptionHandler handler) {
+        this.exceptionHandler = handler;
+        return self();
+    }
+
     /**
      * Supply the base path generator for this configuration holder
      *
@@ -153,9 +162,7 @@ public abstract class ConfigurationFactory<
      * @return this
      */
     public SELF pathGenerator(PathGenerator generator) {
-        return initializer(loader -> {
+        return initializer(loader -> loader.pathGenerator(generator));
-            loader.pathGenerator(generator);
-        });
     }
 
     /**
@@ -174,6 +181,19 @@ public abstract class ConfigurationFactory<
         return initializer(loader -> loader.registerAnnotation(annotation, metadata, extractor));
     }
 
+    /**
+     * Register a new annotation for {@link ValueValidator} to the configuration loader
+     *
+     * @param annotation The {@link Annotation}
+     * @param builder    The {@link Function} to build the {@link ValueValidator} from the annotation
+     * @param <A>        The annotation type
+     * @return this
+     */
+    public <A extends Annotation> SELF validAnnotation(@NotNull Class<A> annotation,
+                                                       @NotNull Function<A, ValueValidator<Object>> builder) {
+        return initializer(loader -> loader.registerValidAnnotation(annotation, builder));
+    }
+
     /**
      * Build the configuration holder.
      *

core/src/main/java/cc/carm/lib/configuration/source/ConfigurationHolder.java

@@ -3,6 +3,7 @@ package cc.carm.lib.configuration.source;
 import cc.carm.lib.configuration.Configuration;
 import cc.carm.lib.configuration.adapter.ValueAdapterRegistry;
 import cc.carm.lib.configuration.adapter.ValueType;
+import cc.carm.lib.configuration.function.ConfigExceptionHandler;
 import cc.carm.lib.configuration.source.loader.ConfigurationInitializer;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetaHolder;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetadata;
@@ -12,7 +13,6 @@ import cc.carm.lib.configuration.source.option.ConfigurationOptionHolder;
 import cc.carm.lib.configuration.source.section.ConfigureSource;
 import cc.carm.lib.configuration.value.ConfigValue;
 import cc.carm.lib.configuration.value.ValueManifest;
-import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.UnmodifiableView;
@@ -31,14 +31,25 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
 
     protected final @NotNull ConfigurationInitializer initializer;
 
+    protected @NotNull ConfigExceptionHandler exceptionHandler;
+
     public ConfigurationHolder(@NotNull ValueAdapterRegistry adapters,
                                @NotNull ConfigurationOptionHolder options,
                                @NotNull Map<String, ConfigurationMetaHolder> metadata,
                                @NotNull ConfigurationInitializer initializer) {
+        this(adapters, options, metadata, initializer, ConfigExceptionHandler.print());
+    }
+
+    public ConfigurationHolder(@NotNull ValueAdapterRegistry adapters,
+                               @NotNull ConfigurationOptionHolder options,
+                               @NotNull Map<String, ConfigurationMetaHolder> metadata,
+                               @NotNull ConfigurationInitializer initializer,
+                               @NotNull ConfigExceptionHandler exceptionHandler) {
         this.initializer = initializer;
         this.adapters = adapters;
         this.options = options;
         this.metadata = metadata;
+        this.exceptionHandler = exceptionHandler;
     }
 
     public abstract @NotNull SOURCE config();
@@ -75,7 +86,7 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
 
     @NotNull
     @UnmodifiableView
-    public <M> Map<String, M> extractMetadata(@NotNull ConfigurationMetadata<M> type, @NotNull Predicate<M> filter) {
+    public <M> Map<String, M> extractMetadata(@NotNull ConfigurationMetadata<M> type, @NotNull Predicate<@Nullable M> filter) {
         Map<String, M> metas = new LinkedHashMap<>();
         for (Map.Entry<String, ConfigurationMetaHolder> entry : this.metadata.entrySet()) {
             M data = entry.getValue().get(type);
@@ -86,7 +97,7 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
 
     @NotNull
     @UnmodifiableView
-    public Map<String, ConfigValue<?>> registeredValues() {
+    public Map<String, ConfigValue<?, ?>> registeredValues() {
         return extractMetadata(StandardMeta.VALUE);
     }
 
@@ -98,17 +109,17 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
         return initializer;
     }
 
-    @Contract("_,null -> null")
+    @Nullable
     public <T> T deserialize(@NotNull Class<T> type, @Nullable Object source) throws Exception {
         return adapters().deserialize(this, type, source);
     }
 
-    @Contract("_,null -> null")
+    @Nullable
     public <T> T deserialize(@NotNull ValueType<T> type, @Nullable Object source) throws Exception {
         return adapters().deserialize(this, type, source);
     }
 
-    @Contract("null -> null")
+    @Nullable
     public <T> Object serialize(@Nullable T value) throws Exception {
         return adapters().serialize(this, value);
     }
@@ -117,7 +128,7 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
         try {
             initializer.initialize(this, configClass);
         } catch (Exception e) {
-            e.printStackTrace();
+            throwing(configClass.getName(), e);
         }
     }
 
@@ -125,12 +136,20 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
         try {
             initializer.initialize(this, config);
         } catch (Exception e) {
-            e.printStackTrace();
+            throwing(config.getClass().getName(), e);
         }
     }
 
-    public void initialize(@NotNull ValueManifest<?> value) {
+    public void initialize(@NotNull ValueManifest<?, ?> value) {
         value.holder(this);
     }
 
+    public void throwing(@NotNull String path, @NotNull Throwable e) {
+        this.exceptionHandler.handle(path, e);
+    }
+
+    public void exceptionally(@NotNull ConfigExceptionHandler handler) {
+        this.exceptionHandler = handler;
+    }
+
 }

core/src/main/java/cc/carm/lib/configuration/source/loader/ConfigInitializeHandler.java

@@ -8,7 +8,7 @@ import org.jetbrains.annotations.Nullable;
 public interface ConfigInitializeHandler<T, V> {
 
     static <T, V> ConfigInitializeHandler<T, V> start() {
-        return (provider, path, value, instace) -> {
+        return (provider, path, value, instance) -> {
         };
     }
 

core/src/main/java/cc/carm/lib/configuration/source/loader/ConfigurationInitializer.java

@@ -1,6 +1,7 @@
 package cc.carm.lib.configuration.source.loader;
 
 import cc.carm.lib.configuration.Configuration;
+import cc.carm.lib.configuration.function.ValueValidator;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetadata;
 import cc.carm.lib.configuration.source.meta.StandardMeta;
@@ -21,7 +22,7 @@ import java.util.function.Function;
 public class ConfigurationInitializer {
 
     protected @NotNull PathGenerator pathGenerator;
-    protected @NotNull ConfigInitializeHandler<Field, ConfigValue<?>> valueInitializer;
+    protected @NotNull ConfigInitializeHandler<Field, ConfigValue<?, ?>> valueInitializer;
     protected @NotNull ConfigInitializeHandler<Class<? extends Configuration>, Object> classInitializer;
 
     public ConfigurationInitializer() {
@@ -29,7 +30,7 @@ public class ConfigurationInitializer {
     }
 
     public ConfigurationInitializer(@NotNull PathGenerator pathGenerator,
-                                    @NotNull ConfigInitializeHandler<Field, ConfigValue<?>> valueInitializer,
+                                    @NotNull ConfigInitializeHandler<Field, ConfigValue<?, ?>> valueInitializer,
                                     @NotNull ConfigInitializeHandler<Class<? extends Configuration>, Object> classInitializer) {
         this.pathGenerator = pathGenerator;
         this.valueInitializer = valueInitializer;
@@ -44,11 +45,11 @@ public class ConfigurationInitializer {
         return pathGenerator;
     }
 
-    public ConfigInitializeHandler<Field, ConfigValue<?>> fieldInitializer() {
+    public ConfigInitializeHandler<Field, ConfigValue<?, ?>> fieldInitializer() {
         return valueInitializer;
     }
 
-    public void fieldInitializer(@NotNull ConfigInitializeHandler<Field, ConfigValue<?>> fieldInitializer) {
+    public void fieldInitializer(@NotNull ConfigInitializeHandler<Field, ConfigValue<?, ?>> fieldInitializer) {
         this.valueInitializer = fieldInitializer;
     }
 
@@ -60,7 +61,7 @@ public class ConfigurationInitializer {
         this.classInitializer = classInitializer;
     }
 
-    public void appendFieldInitializer(@NotNull ConfigInitializeHandler<Field, ConfigValue<?>> fieldInitializer) {
+    public void appendFieldInitializer(@NotNull ConfigInitializeHandler<Field, ConfigValue<?, ?>> fieldInitializer) {
         this.valueInitializer = this.valueInitializer.andThen(fieldInitializer);
     }
 
@@ -95,6 +96,14 @@ public class ConfigurationInitializer {
         registerFieldAnnotation(annotation, metadata, extractor);
     }
 
+    public <A extends Annotation> void registerValidAnnotation(@NotNull Class<A> annotation,
+                                                               @NotNull Function<A, ValueValidator<Object>> builder) {
+        appendFieldInitializer((holder, path, field, instance) -> {
+            A data = field.getAnnotation(annotation);
+            if (data == null) return;
+            instance.validate((h, t) -> builder.apply(data).validate(h, t));
+        });
+    }
 
     public @Nullable String getFieldPath(@NotNull ConfigurationHolder<?> holder, @Nullable String parentPath, @NotNull Field field) {
         return pathGenerator.getFieldPath(holder, parentPath, field);
@@ -125,7 +134,7 @@ public class ConfigurationInitializer {
         try {
             this.classInitializer.whenInitialize(holder, path, root.getClass(), root);
         } catch (Exception e) {
-            e.printStackTrace();
+            holder.throwing(path, e);
         }
         Arrays.stream(root.getClass().getDeclaredFields()).forEach(field -> initializeField(holder, root, field, path));
     }
@@ -142,7 +151,7 @@ public class ConfigurationInitializer {
         try {
             this.classInitializer.whenInitialize(holder, path, (Class<? extends Configuration>) clazz, configField);
         } catch (Exception e) {
-            e.printStackTrace();
+            holder.throwing(path, e);
         }
 
         for (Field field : clazz.getDeclaredFields()) {
@@ -163,9 +172,9 @@ public class ConfigurationInitializer {
             field.setAccessible(true);
             Object object = field.get(source);
 //
-            if (object instanceof ConfigValue<?>) {
+            if (object instanceof ConfigValue<?, ?>) {
                 // 目标是 ConfigValue 实例，进行具体的初始化注入
-                ConfigValue<?> value = (ConfigValue<?>) object;
+                ConfigValue<?, ?> value = (ConfigValue<?, ?>) object;
                 String path = getFieldPath(holder, parent, field);
                 if (path == null) return;
                 value.initialize(holder, path);
@@ -176,7 +185,7 @@ public class ConfigurationInitializer {
                 try {
                     this.valueInitializer.whenInitialize(holder, path, field, value);
                 } catch (Exception e) {
-                    e.printStackTrace();
+                    holder.throwing(path, e);
                 }
                 if (holder.option(StandardOptions.PRELOAD)) {
                     value.get(); // Preload the value by calling #get method.

core/src/main/java/cc/carm/lib/configuration/source/meta/StandardMeta.java

@@ -7,6 +7,6 @@ public interface StandardMeta {
     /**
      * To mark the {@link ConfigValue} instance of specific path.
      */
-    ConfigurationMetadata<ConfigValue<?>> VALUE = ConfigurationMetadata.of();
+    ConfigurationMetadata<ConfigValue<?, ?>> VALUE = ConfigurationMetadata.of();
 
 }

core/src/main/java/cc/carm/lib/configuration/source/section/ConfigureSection.java

@@ -477,7 +477,7 @@ public interface ConfigureSection {
      * @return The boolean if the path exists and is a boolean, otherwise false.
      */
     default boolean getBoolean(@NotNull String path) {
-        return getBoolean(path, false);
+        return getBoolean(path, null);
     }
 
     /**
@@ -509,7 +509,7 @@ public interface ConfigureSection {
      * @return The byte if the path exists and is a byte, otherwise 0.
      */
     default @Nullable Byte getByte(@NotNull String path) {
-        return getByte(path, (byte) 0);
+        return getByte(path, null);
     }
 
     /**
@@ -541,7 +541,7 @@ public interface ConfigureSection {
      * @return The short if the path exists and is a short, otherwise 0.
      */
     default @Nullable Short getShort(@NotNull String path) {
-        return getShort(path, (short) 0);
+        return getShort(path, null);
     }
 
     /**
@@ -573,7 +573,7 @@ public interface ConfigureSection {
      * @return The int if the path exists and is an int, otherwise 0.
      */
     default @Nullable Integer getInt(@NotNull String path) {
-        return getInt(path, 0);
+        return getInt(path, null);
     }
 
     /**
@@ -606,7 +606,7 @@ public interface ConfigureSection {
      * @return The long if the path exists and is a long, otherwise 0.
      */
     default @Nullable Long getLong(@NotNull String path) {
-        return getLong(path, 0L);
+        return getLong(path, null);
     }
 
     /**
@@ -638,7 +638,7 @@ public interface ConfigureSection {
      * @return The float if the path exists and is a float, otherwise 0.
      */
     default @Nullable Float getFloat(@NotNull String path) {
-        return getFloat(path, 0.0F);
+        return getFloat(path, null);
     }
 
     /**
@@ -670,7 +670,7 @@ public interface ConfigureSection {
      * @return The double if the path exists and is a double, otherwise 0.
      */
     default @Nullable Double getDouble(@NotNull String path) {
-        return getDouble(path, 0.0D);
+        return getDouble(path, null);
     }
 
     /**
@@ -692,7 +692,7 @@ public interface ConfigureSection {
      * @return True if the value is present and is a char, false otherwise.
      */
     default boolean isChar(@NotNull String path) {
-        return isType(path, Boolean.class);
+        return isType(path, Character.class);
     }
 
     /**
@@ -750,7 +750,7 @@ public interface ConfigureSection {
     }
 
     /**
-     * Get a list of values from the section
+     * Get a list of values from current section
      * <p>
      * If the path does not exist, an empty list will be returned
      * <br>Any changes please use {@link #set(String, Object)} after changes
@@ -765,7 +765,7 @@ public interface ConfigureSection {
     }
 
     /**
-     * Get a list of strings from the section
+     * Get a list of strings from current section
      * <p> Limitations see {@link #getList(String, DataFunction)}
      *
      * @param path The path to get the list from
@@ -776,7 +776,7 @@ public interface ConfigureSection {
     }
 
     /**
-     * Get a list of integer from the section
+     * Get a list of integer from current section
      * <p> Limitations see {@link #getList(String, DataFunction)}
      *
      * @param path The path to get the list from
@@ -787,7 +787,7 @@ public interface ConfigureSection {
     }
 
     /**
-     * Get a list of long from the section
+     * Get a list of long from current section
      * <p> Limitations see {@link #getList(String, DataFunction)}
      *
      * @param path The path to get the list from
@@ -798,7 +798,7 @@ public interface ConfigureSection {
     }
 
     /**
-     * Get a list of double from the section
+     * Get a list of double from current section
      * <p> Limitations see {@link #getList(String, DataFunction)}
      *
      * @param path The path to get the list from
@@ -809,7 +809,7 @@ public interface ConfigureSection {
     }
 
     /**
-     * Get a list of floats from the section
+     * Get a list of floats from current section
      * <p> Limitations see {@link #getList(String, DataFunction)}
      *
      * @param path The path to get the list from
@@ -820,7 +820,7 @@ public interface ConfigureSection {
     }
 
     /**
-     * Get a list of bytes from the section
+     * Get a list of bytes from current section
      * <p> Limitations see {@link #getList(String, DataFunction)}
      *
      * @param path The path to get the list from
@@ -831,7 +831,7 @@ public interface ConfigureSection {
     }
 
     /**
-     * Get a list of char from the section
+     * Get a list of char from current section
      * <p> Limitations see {@link #getList(String, DataFunction)}
      *
      * @param path The path to get the list from
@@ -842,7 +842,22 @@ public interface ConfigureSection {
     }
 
     /**
-     * Get the specific type of collection from the section.
+     * Get a list of {@link ConfigureSection} from current section
+     *
+     * @param path The path to get the list from
+     * @return The list of {@link ConfigureSection}
+     */
+    default @NotNull List<ConfigureSection> getSectionList(@NotNull String path) {
+        return getList(path, obj -> {
+            if (obj instanceof ConfigureSection) {
+                return (ConfigureSection) obj;
+            }
+            return null;
+        });
+    }
+
+    /**
+     * Get the specific type of collection from current section.
      *
      * @param path        The path to get the collection from
      * @param constructor The constructor of the collection
@@ -858,7 +873,7 @@ public interface ConfigureSection {
     }
 
     /**
-     * Get the specific type of steam from the section.
+     * Get the specific type of steam from current section.
      *
      * @param path The path to get the stream from
      * @return The stream of values
@@ -869,7 +884,7 @@ public interface ConfigureSection {
     }
 
     /**
-     * Get the specific type of steam from the section.
+     * Get the specific type of steam from current section.
      *
      * @param path   The path to get the stream from
      * @param parser The function to parse the values

core/src/main/java/cc/carm/lib/configuration/value/ConfigValue.java

@@ -33,9 +33,9 @@ import java.util.Optional;
  * @see ValueManifest Base class providing metadata and default value handling
  * @see ConfigurationHolder Responsible for configuration source persistence
  */
-public abstract class ConfigValue<T> extends ValueManifest<T> {
+public abstract class ConfigValue<T, U> extends ValueManifest<T, U> {
 
-    protected ConfigValue(@NotNull ValueManifest<T> manifest) {
+    protected ConfigValue(@NotNull ValueManifest<T, U> manifest) {
         super(manifest);
     }
 

core/src/main/java/cc/carm/lib/configuration/value/ValueManifest.java

@@ -1,6 +1,7 @@
 package cc.carm.lib.configuration.value;
 
 import cc.carm.lib.configuration.adapter.ValueType;
+import cc.carm.lib.configuration.function.ValueValidator;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.source.meta.ConfigurationMetaHolder;
 import cc.carm.lib.configuration.source.section.ConfigureSource;
@@ -11,37 +12,48 @@ import org.jetbrains.annotations.Nullable;
 import java.util.function.BiConsumer;
 import java.util.function.Supplier;
 
-public class ValueManifest<T> {
+public class ValueManifest<TYPE, UNIT> {
 
-    protected final @NotNull ValueType<T> type;
+    protected final @NotNull ValueType<TYPE> type;
     protected final @NotNull BiConsumer<@NotNull ConfigurationHolder<?>, @NotNull String> initializer;
 
     protected @Nullable ConfigurationHolder<?> holder;
     protected @Nullable String path; // Section path
 
-    protected @NotNull Supplier<@Nullable T> defaultSupplier;
+    protected @NotNull ValueValidator<UNIT> validator;
+    protected @NotNull Supplier<@Nullable TYPE> defaultSupplier;
 
-    public ValueManifest(@NotNull ValueType<T> type) {
+    public ValueManifest(@NotNull ValueType<TYPE> type) {
-        this(type, () -> null, EMPTY_INITIALIZER, null, null);
+        this(type, () -> null, ValueValidator.none(), EMPTY_INITIALIZER, null, null);
     }
 
-    public ValueManifest(@NotNull T defaultValue) {
+    public ValueManifest(@NotNull TYPE defaultValue) {
         this(ValueType.of(defaultValue), () -> defaultValue);
     }
 
-    public ValueManifest(@NotNull ValueType<T> type, @NotNull Supplier<@Nullable T> defaultSupplier) {
+    public ValueManifest(@NotNull ValueType<TYPE> type, @NotNull Supplier<@Nullable TYPE> defaultSupplier) {
-        this(type, defaultSupplier, EMPTY_INITIALIZER, null, null);
+        this(type, defaultSupplier, ValueValidator.none(), EMPTY_INITIALIZER, null, null);
     }
 
-    public ValueManifest(@NotNull ValueType<T> type, @NotNull Supplier<@Nullable T> defaultSupplier,
+    public ValueManifest(@NotNull ValueType<TYPE> type,
+                         @NotNull Supplier<@Nullable TYPE> defaultSupplier,
+                         @NotNull ValueValidator<UNIT> validator) {
+        this(type, defaultSupplier, validator, EMPTY_INITIALIZER, null, null);
+    }
+
+    public ValueManifest(@NotNull ValueType<TYPE> type, @NotNull Supplier<@Nullable TYPE> defaultSupplier,
+                         @NotNull ValueValidator<UNIT> validator,
                          @NotNull BiConsumer<@NotNull ConfigurationHolder<?>, @NotNull String> initializer) {
-        this(type, defaultSupplier, initializer, null, null);
+        this(type, defaultSupplier, validator, initializer, null, null);
     }
 
-    public ValueManifest(@NotNull ValueType<T> type, @NotNull Supplier<@Nullable T> defaultSupplier,
+    public ValueManifest(@NotNull ValueType<TYPE> type,
+                         @NotNull Supplier<@Nullable TYPE> defaultSupplier,
+                         @NotNull ValueValidator<UNIT> validator,
                          @NotNull BiConsumer<@NotNull ConfigurationHolder<?>, @NotNull String> initializer,
                          @Nullable ConfigurationHolder<?> holder, @Nullable String path) {
         this.type = type;
+        this.validator = validator;
         this.initializer = initializer;
         this.defaultSupplier = defaultSupplier;
         this.holder = holder;
@@ -49,8 +61,8 @@ public class ValueManifest<T> {
         initialize();
     }
 
-    protected ValueManifest(@NotNull ValueManifest<T> manifest) {
+    protected ValueManifest(@NotNull ValueManifest<TYPE, UNIT> manifest) {
-        this(manifest.type, manifest.defaultSupplier, manifest.initializer, manifest.holder, manifest.path);
+        this(manifest.type, manifest.defaultSupplier, manifest.validator, manifest.initializer, manifest.holder, manifest.path);
     }
 
     public void initialize(@NotNull ConfigurationHolder<?> holder, @NotNull String path) {
@@ -63,7 +75,7 @@ public class ValueManifest<T> {
         if (holder != null && path != null) this.initializer.accept(holder, path);
     }
 
-    public @NotNull ValueType<T> type() {
+    public @NotNull ValueType<TYPE> type() {
         return this.type;
     }
 
@@ -75,20 +87,37 @@ public class ValueManifest<T> {
         this.path = path;
     }
 
-    public @Nullable T defaults() {
+    public @Nullable TYPE defaults() {
         return this.defaultSupplier.get();
     }
 
-    public void defaults(@Nullable T defaultValue) {
+    public void defaults(@Nullable TYPE defaultValue) {
         defaults(() -> defaultValue);
     }
 
-    public void defaults(@NotNull Supplier<@Nullable T> defaultValue) {
+    public void defaults(@NotNull Supplier<@Nullable TYPE> defaultValue) {
         this.defaultSupplier = defaultValue;
     }
 
     public boolean hasDefaults() {
-        return this.defaultSupplier.get() != null;
+        return defaults() != null;
+    }
+
+    public @NotNull ValueValidator<UNIT> validator() {
+        return this.validator;
+    }
+
+    public void validator(@NotNull ValueValidator<UNIT> validator) {
+        this.validator = validator;
+    }
+
+    public void validate(@NotNull ValueValidator<UNIT> validator) {
+        validator(this.validator.and(validator));
+    }
+
+    protected UNIT withValidated(@Nullable UNIT value) throws Exception {
+        validator.validate(holder(), value);
+        return value;
     }
 
     public @NotNull String path() {
@@ -105,7 +134,7 @@ public class ValueManifest<T> {
         return holder().config();
     }
 
-    public ConfigurationMetaHolder metadata() {
+    public @NotNull ConfigurationMetaHolder metadata() {
         return holder().metadata(path());
     }
 
@@ -119,6 +148,15 @@ public class ValueManifest<T> {
         config().set(path(), value);
     }
 
+    protected void throwing(@NotNull Throwable throwable) {
+        throwing(path, throwable);
+    }
+
+    protected void throwing(@NotNull String path, @NotNull Throwable throwable) {
+        if (holder == null) throwable.printStackTrace();
+        else holder.throwing(path, throwable);
+    }
+
     private static final @NotNull BiConsumer<@NotNull ConfigurationHolder<?>, @NotNull String> EMPTY_INITIALIZER = (provider, valuePath) -> {
     };
 

core/src/main/java/cc/carm/lib/configuration/value/impl/CachedConfigValue.java

@@ -9,12 +9,12 @@ import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-public abstract class CachedConfigValue<T> extends ConfigValue<T> {
+public abstract class CachedConfigValue<T, U> extends ConfigValue<T, U> {
 
     protected @Nullable T cachedValue;
     protected long parsedTime = -1;
 
-    protected CachedConfigValue(@NotNull ValueManifest<T> manifest) {
+    protected CachedConfigValue(@NotNull ValueManifest<T, U> manifest) {
         super(manifest);
     }
 

core/src/main/java/cc/carm/lib/configuration/value/standard/ConfiguredList.java

@@ -5,6 +5,7 @@ import cc.carm.lib.configuration.adapter.ValueParser;
 import cc.carm.lib.configuration.adapter.ValueSerializer;
 import cc.carm.lib.configuration.adapter.ValueType;
 import cc.carm.lib.configuration.builder.list.ConfigListBuilder;
+import cc.carm.lib.configuration.builder.list.SourceListBuilder;
 import cc.carm.lib.configuration.value.ValueManifest;
 import cc.carm.lib.configuration.value.impl.CachedConfigValue;
 import org.jetbrains.annotations.NotNull;
@@ -15,7 +16,7 @@ import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
 
-public class ConfiguredList<V> extends CachedConfigValue<List<V>> implements List<V> {
+public class ConfiguredList<V> extends CachedConfigValue<List<V>, V> implements List<V> {
 
     public static <T> @NotNull ConfigListBuilder<T> builderOf(@NotNull Class<T> type) {
         return builderOf(ValueType.of(type));
@@ -25,10 +26,26 @@ public class ConfiguredList<V> extends CachedConfigValue<List<V>> implements Lis
         return new ConfigListBuilder<>(type);
     }
 
+    public static <T> @NotNull SourceListBuilder<T, T> with(@NotNull Class<T> registeredType) {
+        return with(ValueType.of(registeredType));
+    }
+
+    public static <T> @NotNull SourceListBuilder<T, T> with(@NotNull ValueType<T> registeredType) {
+        return new ConfigListBuilder<>(registeredType).from(registeredType);
+    }
+
+    @SafeVarargs
+    public static <T> @NotNull ConfiguredList<T> of(@NotNull T value, @NotNull T... values) {
+        List<T> list = new ArrayList<>();
+        list.add(value);
+        Collections.addAll(list, values);
+        return with(ValueType.of(value)).defaults(list).build();
+    }
+
     protected final @NotNull Supplier<? extends List<V>> constructor;
     protected final @NotNull ValueAdapter<V> paramAdapter;
 
-    public ConfiguredList(@NotNull ValueManifest<List<V>> manifest,
+    public ConfiguredList(@NotNull ValueManifest<List<V>, V> manifest,
                           @NotNull Supplier<? extends List<V>> constructor,
                           @NotNull ValueAdapter<V> paramAdapter) {
         super(manifest);
@@ -70,40 +87,46 @@ public class ConfiguredList<V> extends CachedConfigValue<List<V>> implements Lis
         if (!cacheExpired()) return getCachedOrDefault(createList());
         // Data that is outdated and needs to be parsed again.
         List<V> list = createList();
+        try {
             List<?> data = config().contains(path()) ? config().getList(path()) : null;
             if (data == null) return getDefaultFirst(list);
 
             ValueParser<V> parser = parser();
             if (parser == null) return getDefaultFirst(list);
 
+            int i = 0;
             for (Object dataVal : data) {
                 if (dataVal == null) continue;
                 try {
-                list.add(parser.parse(holder(), paramType(), dataVal));
+                    list.add(withValidated(parser.parse(holder(), paramType(), dataVal)));
                 } catch (Exception e) {
-                e.printStackTrace();
+                    throwing(path + "[" + i + "]", e);
                 }
             }
+        } catch (Exception ex) {
+            throwing(ex);
+        }
         return updateCache(list);
     }
 
     @Override
-    public void set(@Nullable List<V> value) {
+    public void set(@Nullable List<V> list) {
-        updateCache(value);
+        updateCache(list);
-        if (value == null) {
+        if (list == null) {
             setData(null);
             return;
         }
 
         ValueSerializer<V> serializer = serializer();
         if (serializer == null) return;
+
         List<Object> data = new ArrayList<>();
-        for (V val : value) {
+        for (V val : list) {
             if (val == null) continue;
             try {
-                data.add(serializer.serialize(holder(), paramType(), val));
+                data.add(serializer.serialize(holder(), paramType(), withValidated(val)));
             } catch (Exception ex) {
-                ex.printStackTrace();
+                throwing(ex);
             }
         }
         setData(data);

core/src/main/java/cc/carm/lib/configuration/value/standard/ConfiguredMap.java

@@ -17,7 +17,11 @@ import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
 
-public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements Map<K, V> {
+public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>, V> implements Map<K, V> {
+
+    public static <V> ConfigMapCreator<String, V> builderOf(@NotNull Class<V> valueType) {
+        return builderOf(String.class, valueType);
+    }
 
     public static <K, V> ConfigMapCreator<K, V> builderOf(@NotNull ValueType<K> keyType, @NotNull ValueType<V> valueType) {
         return new ConfigMapCreator<>(keyType, valueType);
@@ -38,7 +42,7 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
     protected final @NotNull ValueAdapter<K> keyAdapter;
     protected final @NotNull ValueAdapter<V> valueAdapter;
 
-    public ConfiguredMap(@NotNull ValueManifest<Map<K, V>> manifest,
+    public ConfiguredMap(@NotNull ValueManifest<Map<K, V>, V> manifest,
                          @NotNull Supplier<? extends Map<K, V>> constructor,
                          @NotNull ValueAdapter<K> keyAdapter, @NotNull ValueAdapter<V> valueAdapter) {
         super(manifest);
@@ -73,6 +77,7 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
         // If the value is expired, we need to update it
         Map<K, V> map = createMap();
 
+        try {
             ConfigureSection section = config().getSection(path());
             if (section == null) return getDefaultFirst(map);
 
@@ -80,8 +85,9 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
             if (keys.isEmpty()) return getDefaultFirst(map);
 
             ValueParser<K> keyParser = parserFor(keyAdapter);
+            if (keyParser == null) return getDefaultFirst(map);
             ValueParser<V> valueParser = parserFor(valueAdapter);
-        if (keyParser == null || valueParser == null) return getDefaultFirst(map);
+            if (valueParser == null) return getDefaultFirst(map);
 
             for (String dataKey : keys) {
                 Object dataVal = section.get(dataKey);
@@ -89,11 +95,14 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
                 try {
                     K key = keyParser.parse(holder(), keyType(), dataKey);
                     V value = valueParser.parse(holder(), valueType(), dataVal);
-                map.put(key, value);
+                    map.put(key, withValidated(value));
                 } catch (Exception e) {
-                e.printStackTrace();
+                    throwing(path + "." + dataKey, e);
                 }
             }
+        } catch (Exception ex) {
+            throwing(ex);
+        }
 
         return updateCache(map);
     }
@@ -115,9 +124,11 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
             return;
         }
 
+        try {
             ValueSerializer<K> keySerializer = serializerFor(keyAdapter);
+            if (keySerializer == null) return;
             ValueSerializer<V> valueSerializer = serializerFor(valueAdapter);
-        if (keySerializer == null || valueSerializer == null) return;
+            if (valueSerializer == null) return;
 
             Map<Object, Object> data = new LinkedHashMap<>();
 
@@ -125,13 +136,16 @@ public class ConfiguredMap<K, V> extends CachedConfigValue<Map<K, V>> implements
                 try {
                     data.put(
                         keySerializer.serialize(holder(), keyType(), entry.getKey()),
-                        valueSerializer.serialize(holder(), valueType(), entry.getValue())
+                        valueSerializer.serialize(holder(), valueType(), withValidated(entry.getValue()))
                     );
                 } catch (Exception e) {
-                e.printStackTrace();
+                    throwing(path + "." + entry.getKey(), e);
                 }
             }
             setData(data);
+        } catch (Exception ex) {
+            throwing(ex);
+        }
     }
 
     public <T> @NotNull T handle(Function<Map<K, V>, T> function) {

core/src/main/java/cc/carm/lib/configuration/value/standard/ConfiguredValue.java

@@ -5,6 +5,8 @@ import cc.carm.lib.configuration.adapter.ValueParser;
 import cc.carm.lib.configuration.adapter.ValueSerializer;
 import cc.carm.lib.configuration.adapter.ValueType;
 import cc.carm.lib.configuration.builder.value.ConfigValueBuilder;
+import cc.carm.lib.configuration.builder.value.SourceValueBuilder;
+import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.value.ValueManifest;
 import cc.carm.lib.configuration.value.impl.CachedConfigValue;
 import org.jetbrains.annotations.NotNull;
@@ -12,16 +14,54 @@ import org.jetbrains.annotations.Nullable;
 
 import java.util.function.Supplier;
 
-public class ConfiguredValue<V> extends CachedConfigValue<V> {
+public class ConfiguredValue<V> extends CachedConfigValue<V, V> {
 
+    /**
+     * Create a new value builder.
+     *
+     * @param type The type of the value.
+     * @param <V>  The type of the value.
+     * @return a {@link ConfigValueBuilder} with the specified type.
+     */
     public static <V> ConfigValueBuilder<V> builderOf(@NotNull Class<V> type) {
         return new ConfigValueBuilder<>(ValueType.of(type));
     }
 
+    /**
+     * Create a new value builder.
+     *
+     * @param type The type of the value.
+     * @param <V>  The type of the value.
+     * @return a {@link ConfigValueBuilder} with the specified type.
+     */
     public static <V> ConfigValueBuilder<V> builderOf(@NotNull ValueType<V> type) {
         return new ConfigValueBuilder<>(type);
     }
 
+    /**
+     * Create a new value builder with the specified {@link ConfigurationHolder#registeredValues()} type.
+     *
+     * @param registeredType The type of the value.
+     * @param <V>            The type of the value.
+     * @return a {@link SourceValueBuilder} with the specified registered type.
+     * @see ValueAdapter
+     */
+    public static <V> SourceValueBuilder<V, V> with(@NotNull Class<V> registeredType) {
+        return with(ValueType.of(registeredType));
+    }
+
+    /**
+     * Create a new value builder with the specified {@link ConfigurationHolder#registeredValues()} type.
+     *
+     * @param registeredType The type of the value.
+     * @param <V>            The type of the value.
+     * @return a {@link SourceValueBuilder} with the specified registered type.
+     * @see ValueAdapter
+     */
+    public static <V> SourceValueBuilder<V, V> with(@NotNull ValueType<V> registeredType) {
+        return new ConfigValueBuilder<>(registeredType).from(registeredType);
+    }
+
     public static <V> ConfiguredValue<V> of(@NotNull V defaults) {
         return of(ValueType.of(defaults), () -> defaults);
     }
@@ -51,7 +91,7 @@ public class ConfiguredValue<V> extends CachedConfigValue<V> {
         );
     }
 
-    public static <V> ConfiguredValue<V> of(@NotNull ValueManifest<V> manifest,
+    public static <V> ConfiguredValue<V> of(@NotNull ValueManifest<V, V> manifest,
                                             @Nullable ValueParser<V> parser,
                                             @Nullable ValueSerializer<V> serializer) {
         ValueAdapter<V> adapter = new ValueAdapter<>(manifest.type());
@@ -60,13 +100,13 @@ public class ConfiguredValue<V> extends CachedConfigValue<V> {
         return of(manifest, adapter);
     }
 
-    public static <V> ConfiguredValue<V> of(@NotNull ValueManifest<V> manifest, @NotNull ValueAdapter<V> adapter) {
+    public static <V> ConfiguredValue<V> of(@NotNull ValueManifest<V, V> manifest, @NotNull ValueAdapter<V> adapter) {
         return new ConfiguredValue<>(manifest, adapter);
     }
 
     protected final @NotNull ValueAdapter<V> adapter;
 
-    public ConfiguredValue(@NotNull ValueManifest<V> manifest, @NotNull ValueAdapter<V> adapter) {
+    public ConfiguredValue(@NotNull ValueManifest<V, V> manifest, @NotNull ValueAdapter<V> adapter) {
         super(manifest);
         this.adapter = adapter;
     }
@@ -97,18 +137,19 @@ public class ConfiguredValue<V> extends CachedConfigValue<V> {
         if (!cacheExpired()) return getCachedOrDefault();
         // Data that is outdated and needs to be parsed again.
 
+        try {
             Object data = getData();
             if (data == null) return defaults();
 
             ValueParser<V> parser = parser();
             if (parser == null) return defaults(); // No parser, return default value.
 
-        try {
             // If there are no errors, update the cache and return.
-            return updateCache(parser.parse(holder(), type(), data));
+            V parsed = parser.parse(holder(), type(), data);
+            return updateCache(withValidated(parsed));
         } catch (Exception e) {
-            // There was a parsing error, prompted and returned the default value.
+            // There was a validate or parsing error, prompted and returned the default value.
-            e.printStackTrace();
+            throwing(e);
             return defaults();
         }
 
@@ -121,20 +162,20 @@ public class ConfiguredValue<V> extends CachedConfigValue<V> {
      * @param value The value to be set
      */
     @Override
-    public void set(V value) {
+    public void set(@Nullable V value) {
         updateCache(value); // Update cache
         if (value == null) {
             setData(null);
             return;
         }
 
+        try {
             ValueSerializer<V> serializer = serializer();
             if (serializer == null) return; // No serializer, do nothing.
 
-        try {
+            setData(serializer.serialize(holder(), type(), withValidated(value)));
-            setData(serializer.serialize(holder(), type(), value));
         } catch (Exception e) {
-            e.printStackTrace();
+            throwing(e);
         }
 
     }

core/src/test/java/cc/carm/test/config/offset/OffsetUtil.java

@@ -9,7 +9,7 @@
 //import java.util.LinkedList;
 //import java.util.List;
 //
-///**
+/// **
 // * @author Chris2018998
 // */
 //public class OffsetUtil {
@@ -25,15 +25,15 @@
 //        } catch (NoSuchFieldException | IllegalAccessException e) {
 //            e.printStackTrace();
 //        }
-////        try {
+/// /        try {
-////            unsafe = AccessController.doPrivileged((PrivilegedExceptionAction<Unsafe>) () -> {
+/// /            unsafe = AccessController.doPrivileged((PrivilegedExceptionAction<Unsafe>) () -> {
-////                Field theUnsafe = Unsafe.class.getDeclaredField("theUnsafe");
+/// /                Field theUnsafe = Unsafe.class.getDeclaredField("theUnsafe");
-////                theUnsafe.setAccessible(true);
+/// /                theUnsafe.setAccessible(true);
-////                return (Unsafe) theUnsafe.get(null);
+/// /                return (Unsafe) theUnsafe.get(null);
-////            });
+/// /            });
-////        } catch (Throwable e) {
+/// /        } catch (Throwable e) {
-////            System.err.println("Unable to load unsafe");
+/// /            System.err.println("Unable to load unsafe");
-////        }
+/// /        }
 //    }
 //
 //    public static List<FieldOffset> getClassMemberOffset(Class<?> beanClass) {

demo/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.1.0</version>
+        <version>4.1.7</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <properties>
@@ -13,6 +13,11 @@
         <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+        <maven.javadoc.skip>true</maven.javadoc.skip>
+        <maven.deploy.skip>true</maven.deploy.skip>
+
+        <deps.mysql-driver.version>8.0.33</deps.mysql-driver.version>
+        <log4j.version>2.25.0</log4j.version>
     </properties>
     <artifactId>configured-demo</artifactId>
     <packaging>jar</packaging>
@@ -23,31 +28,112 @@
             <groupId>${project.parent.groupId}</groupId>
             <artifactId>configured-core</artifactId>
             <version>${project.parent.version}</version>
-            <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
             <artifactId>configured-feature-commentable</artifactId>
             <version>${project.parent.version}</version>
-            <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
             <artifactId>configured-feature-versioned</artifactId>
             <version>${project.parent.version}</version>
-            <scope>compile</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-feature-validators</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-feature-kotlin</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-yaml</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-gson</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-sql</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>cc.carm.lib</groupId>
+            <artifactId>easysql-beecp</artifactId>
+            <version>0.4.7</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>${deps.mysql-driver.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-mongodb</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-hocon</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk8</artifactId>
+            <version>${kotlin.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
         </dependency>
 
     </dependencies>
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
@@ -60,6 +146,71 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <version>${kotlin.version}</version>
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                        <configuration>
+                            <sourceDirs>
+                                <source>src/main/java</source>
+                                <source>target/generated-sources/annotations</source>
+                            </sourceDirs>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>test-compile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>test-compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <jvmTarget>1.8</jvmTarget>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>default-compile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>default-testCompile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>testCompile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>testCompile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 

demo/src/main/java/cc/carm/lib/configuration/demo/DatabaseConfiguration.java

@@ -3,7 +3,6 @@ package cc.carm.lib.configuration.demo;
 import cc.carm.lib.configuration.Configuration;
 import cc.carm.lib.configuration.annotation.ConfigPath;
 import cc.carm.lib.configuration.annotation.HeaderComments;
-import cc.carm.lib.configuration.value.ConfigValue;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;
 
 @HeaderComments({"", "数据库配置", "  用于提供数据库连接，进行数据库操作。"})
@@ -16,17 +15,17 @@ public interface DatabaseConfiguration extends Configuration {
         "- MySQL(新): com.mysql.cj.jdbc.Driver",
         "- MariaDB(推荐): org.mariadb.jdbc.Driver",
     })
-    ConfigValue<String> DRIVER_NAME = ConfiguredValue.of(
+    ConfiguredValue<String> DRIVER_NAME = ConfiguredValue.of(
         String.class, "com.mysql.cj.jdbc.Driver"
     );
 
-    ConfigValue<String> HOST = ConfiguredValue.of(String.class, "127.0.0.1");
+    ConfiguredValue<String> HOST = ConfiguredValue.of(String.class, "127.0.0.1");
-    ConfigValue<Integer> PORT = ConfiguredValue.of(Integer.class, 3306);
+    ConfiguredValue<Integer> PORT = ConfiguredValue.of(Integer.class, 3306);
-    ConfigValue<String> DATABASE = ConfiguredValue.of(String.class, "minecraft");
+    ConfiguredValue<String> DATABASE = ConfiguredValue.of(String.class, "minecraft");
-    ConfigValue<String> USERNAME = ConfiguredValue.of(String.class, "root");
+    ConfiguredValue<String> USERNAME = ConfiguredValue.of(String.class, "root");
-    ConfigValue<String> PASSWORD = ConfiguredValue.of(String.class, "password");
+    ConfiguredValue<String> PASSWORD = ConfiguredValue.of(String.class, "password");
 
-    ConfigValue<String> EXTRA = ConfiguredValue.of(String.class, "?useSSL=false");
+    ConfiguredValue<String> EXTRA = ConfiguredValue.of(String.class, "?useSSL=false");
 
     static String buildJDBC() {
         return String.format("jdbc:mysql://%s:%s/%s%s", HOST.get(), PORT.get(), DATABASE.get(), EXTRA.get());

demo/src/main/java/cc/carm/lib/configuration/demo/tests/ConfigurationTest.java

@@ -1,11 +1,13 @@
 package cc.carm.lib.configuration.demo.tests;
 
 import cc.carm.lib.configuration.demo.tests.conf.DemoConfiguration;
+import cc.carm.lib.configuration.demo.tests.conf.KotlinConfiguration;
 import cc.carm.lib.configuration.demo.tests.conf.RegistryConfig;
 import cc.carm.lib.configuration.demo.tests.model.UserRecord;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import org.jetbrains.annotations.TestOnly;
 
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.UUID;
 import java.util.stream.Collectors;
@@ -80,6 +82,22 @@ public class ConfigurationTest {
 
     }
 
+    public static void testKotlin(ConfigurationHolder<?> provider) {
+        provider.initialize(KotlinConfiguration.class);
+
+        System.out.println("> Test Kotlin value before:");
+        System.out.println(KotlinConfiguration.INSTANCE.getLINKED_MAP().get());
+
+        LinkedHashMap<String, String> map = new LinkedHashMap<>();
+        map.put("Language", "Kotlin");
+        System.out.println("> Test Kotlin value -> " + map);
+        KotlinConfiguration.INSTANCE.getLINKED_MAP().set(map);
+
+        System.out.println("> Test Kotlin value after:");
+        System.out.println(KotlinConfiguration.INSTANCE.getLINKED_MAP().get());
+
+    }
+
     public static void save(ConfigurationHolder<?> provider) {
         try {
             provider.save();

demo/src/main/java/cc/carm/lib/configuration/demo/tests/conf/DemoConfiguration.java

@@ -4,7 +4,6 @@ import cc.carm.lib.configuration.Configuration;
 import cc.carm.lib.configuration.annotation.*;
 import cc.carm.lib.configuration.demo.tests.model.ItemStack;
 import cc.carm.lib.configuration.demo.tests.model.UserRecord;
-import cc.carm.lib.configuration.value.ConfigValue;
 import cc.carm.lib.configuration.value.standard.ConfiguredList;
 import cc.carm.lib.configuration.value.standard.ConfiguredMap;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;
@@ -26,15 +25,15 @@ public interface DemoConfiguration extends Configuration {
 
     @ConfigPath(root = true)
     @ConfigVersion(2)
-    ConfigValue<Double> VERSION = ConfiguredValue.of(Double.class, 2.0D);
+    ConfiguredValue<Double> VERSION = ConfiguredValue.of(Double.class, 2.0D);
 
     @ConfigPath(root = true)
     @FooterComments({"此处内容将显示在配置条目的下方", "可用于补充说明，但一般不建议使用"})
-    ConfigValue<Long> TEST_NUMBER = ConfiguredValue.of(1000000L);
+    ConfiguredValue<Long> TEST_NUMBER = ConfiguredValue.with(Long.class).defaults(123456789L).build();
 
     @HeaderComments({"枚举类型测试"})
     @FooterComments({"上述的枚举内容本质上是通过STRING解析的"})
-    ConfigValue<ChronoUnit> TEST_ENUM = ConfiguredValue.of(ChronoUnit.class, ChronoUnit.DAYS);
+    ConfiguredValue<ChronoUnit> TEST_ENUM = ConfiguredValue.of(ChronoUnit.class, ChronoUnit.DAYS);
 
     @HeaderComments({"空值测试"})
     @InlineComment("空值Inline注释")
@@ -72,7 +71,7 @@ public interface DemoConfiguration extends Configuration {
     class SUB implements Configuration {
 
         @ConfigPath(value = "uuid-value", root = true)
-        public static final ConfigValue<UUID> UUID_CONFIG_VALUE = ConfiguredValue
+        public static final ConfiguredValue<UUID> UUID_CONFIG_VALUE = ConfiguredValue
             .builderOf(UUID.class).fromString()
             .parse((holder, data) -> UUID.fromString(data))
             .build();

demo/src/main/java/cc/carm/lib/configuration/demo/tests/conf/InstanceConfig.java

@@ -2,12 +2,13 @@ package cc.carm.lib.configuration.demo.tests.conf;
 
 import cc.carm.lib.configuration.Configuration;
 import cc.carm.lib.configuration.annotation.HeaderComments;
-import cc.carm.lib.configuration.value.ConfigValue;
+import cc.carm.lib.configuration.annotation.ValueRange;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;
 
-@HeaderComments("Inner Test")
+@HeaderComments("service")
 public class InstanceConfig implements Configuration {
 
-    public final ConfigValue<Double> STATUS = ConfiguredValue.of(1.0D);
+    @ValueRange(min = 0, max = 100, message = "The value must be between 0 and 100")
+    public final ConfiguredValue<Double> STATUS = ConfiguredValue.of(1.0D);
 
 }

demo/src/main/java/cc/carm/lib/configuration/demo/tests/conf/KotlinConfiguration.kt

@@ -0,0 +1,32 @@
+package cc.carm.lib.configuration.demo.tests.conf
+
+import cc.carm.lib.configuration.Configuration
+import cc.carm.lib.configuration.annotation.ConfigPath
+import cc.carm.lib.configuration.annotation.ConfigVersion
+import cc.carm.lib.configuration.kotlin.value.*
+
+@ConfigPath(root = true)
+object KotlinConfiguration : Configuration {
+    @ConfigVersion(1)
+    val VERSION = valueFrom(Double::class) {
+        defaults(1.0)
+    }
+
+    val USER_LIST = listFrom(String::class) {
+        defaults("Carm Jos")
+    }
+
+    val NICKNAME = mapFrom(String::class, ::mutableMapOf) {
+        defaultMap(mapOf("Carm Jos" to "Carm"))
+        parse { v -> v }
+        serialize { v -> v }
+    }
+
+    val LINKED_MAP = linkedMapFrom(String::class) {
+        parse { value ->
+            value
+        }
+        serialize { v -> v }
+        defaults("key", "value")
+    }
+}

demo/src/main/java/cc/carm/lib/configuration/demo/tests/conf/RegistryConfig.java

@@ -6,7 +6,6 @@ import cc.carm.lib.configuration.annotation.FooterComments;
 import cc.carm.lib.configuration.annotation.HeaderComments;
 import cc.carm.lib.configuration.annotation.InlineComment;
 import cc.carm.lib.configuration.demo.tests.model.UserRecord;
-import cc.carm.lib.configuration.value.ConfigValue;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;
 
 import java.util.UUID;
@@ -20,7 +19,7 @@ public class RegistryConfig implements Configuration {
     @FooterComments({"12313213212"})
     @InlineComment(value = "用户名(匹配注释)", regex = "name") // 通过注解给配置添加注释。
     @InlineComment(value = "信息", regex = {"info.*", "info.game.*"}) // 通过注解给配置添加注释。
-    public final ConfigValue<UserRecord> OWNER = ConfiguredValue.builderOf(UserRecord.class).fromSection()
+    public final ConfiguredValue<UserRecord> OWNER = ConfiguredValue.builderOf(UserRecord.class).fromSection()
         .defaults(new UserRecord("Carm", UUID.randomUUID()))
         .parse((holder, section) -> UserRecord.deserialize(section))
         .serialize((holder, data) -> data.serialize()).build();

demo/src/main/java/cc/carm/lib/configuration/demo/tests/model/ItemStack.java

@@ -33,11 +33,11 @@ public class ItemStack {
         return amount;
     }
 
-    public String getName() {
+    public @Nullable String getName() {
         return name;
     }
 
-    public List<String> getLore() {
+    public @Nullable List<String> getLore() {
         return lore;
     }
 
@@ -49,11 +49,11 @@ public class ItemStack {
         this.amount = amount;
     }
 
-    public void setName(String name) {
+    public void setName(@Nullable String name) {
         this.name = name;
     }
 
-    public void setLore(List<String> lore) {
+    public void setLore(@Nullable List<String> lore) {
         this.lore = lore;
     }
 

demo/src/test/java/cc/carm/lib/configuration/tests/test/JSONConfigTests.java

@@ -1,15 +1,13 @@
-package config;
+package cc.carm.lib.configuration.tests.test;
 
 import cc.carm.lib.configuration.demo.tests.ConfigurationTest;
-import cc.carm.lib.configuration.source.json.JSONConfigFactory;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
-import cc.carm.lib.configuration.value.ConfigValue;
+import cc.carm.lib.configuration.source.json.JSONConfigFactory;
-import cc.carm.lib.configuration.value.standard.ConfiguredValue;
 import org.junit.Test;
 
 import java.io.File;
 
-public class JSONConfigTest {
+public class JSONConfigTests {
 
     protected final ConfigurationHolder<?> holder = JSONConfigFactory
         .from(new File("target"), "config.json")
@@ -18,12 +16,6 @@ public class JSONConfigTest {
 
     @Test
     public void onTest() {
-
-        ConfigValue<Boolean> EXAMPLE = ConfiguredValue.of(false);
-        EXAMPLE.initialize(this.holder, "example");
-
-        System.out.println("Example: " + EXAMPLE.get());
-
         ConfigurationTest.testDemo(this.holder);
         ConfigurationTest.testInner(this.holder);
 

demo/src/test/java/cc/carm/lib/configuration/tests/test/YamlTests.java

@@ -1,11 +1,11 @@
-package yaml.test;
+package cc.carm.lib.configuration.tests.test;
 
-import cc.carm.lib.configuration.commentable.Commentable;
 import cc.carm.lib.configuration.commentable.CommentableMeta;
 import cc.carm.lib.configuration.demo.tests.ConfigurationTest;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.source.yaml.YAMLConfigFactory;
 import cc.carm.lib.configuration.source.yaml.YAMLSource;
+import cc.carm.lib.configuration.validators.Validators;
 import org.junit.Test;
 
 import java.util.List;
@@ -14,11 +14,13 @@ import java.util.Map;
 public class YamlTests {
 
     @Test
-    public void test() {
+    public void test() throws Exception {
 
         ConfigurationHolder<YAMLSource> holder = YAMLConfigFactory.from("target/tests.yml")
             .resourcePath("configs/sample.yml").build();
 
+        Validators.activate(holder);
+
         ConfigurationTest.testDemo(holder);
         ConfigurationTest.testInner(holder);
 
@@ -42,5 +44,13 @@ public class YamlTests {
         ConfigurationTest.save(holder);
     }
 
+    @Test
+    public void testKotlin() {
+        ConfigurationHolder<YAMLSource> holder = YAMLConfigFactory.from("target/kotlin.yml").build();
+
+        ConfigurationTest.testKotlin(holder);
+
+        ConfigurationTest.save(holder);
+    }
 }
 

demo/src/test/java/cc/carm/lib/configuration/tests/test/mongodb/MongoConfig.java

@@ -1,4 +1,4 @@
-package config;
+package cc.carm.lib.configuration.tests.test.mongodb;
 
 import cc.carm.lib.configuration.Configuration;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;

demo/src/test/java/cc/carm/lib/configuration/tests/test/mongodb/MongoTest.java

@@ -1,4 +1,4 @@
-package config;
+package cc.carm.lib.configuration.tests.test.mongodb;
 
 import cc.carm.lib.configuration.demo.tests.ConfigurationTest;
 import cc.carm.lib.configuration.source.ConfigurationHolder;

demo/src/test/java/cc/carm/lib/configuration/tests/test/sql/SQLConfigTest.java

@@ -1,4 +1,4 @@
-package config;
+package cc.carm.lib.configuration.tests.test.sql;
 
 import cc.carm.lib.configuration.demo.DatabaseConfiguration;
 import cc.carm.lib.configuration.demo.tests.ConfigurationTest;

demo/src/test/resources/log4j2.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<Configuration status="WARN" packages="config.SQLConfigTest">
+<Configuration status="WARN" packages="cc.carm.lib.configuration.tests">
     <Appenders>
         <console name="Console" target="SYSTEM_OUT">
             <PatternLayout pattern="[%d{HH:mm:ss} %level]: %msg%n"/>

features/commentable/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.0</version>
+        <version>4.1.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>

features/file/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.0</version>
+        <version>4.1.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>

features/file/src/main/java/cc/carm/lib/configuration/source/option/FileConfigOptions.java

@@ -1,7 +1,5 @@
 package cc.carm.lib.configuration.source.option;
 
-import cc.carm.lib.configuration.source.option.ConfigurationOption;
-
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 

features/kotlin/pom.xml

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cc.carm.lib</groupId>
+        <artifactId>configured-parent</artifactId>
+        <version>4.1.7</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <properties>
+        <maven.compiler.source>${project.jdk.version}</maven.compiler.source>
+        <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+        <kotlin.version>2.2.0</kotlin.version>
+    </properties>
+
+    <artifactId>configured-feature-kotlin</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>configured-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk8</artifactId>
+            <version>${kotlin.version}</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <version>${kotlin.version}</version>
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>test-compile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>test-compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <jvmTarget>1.8</jvmTarget>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.jetbrains.dokka</groupId>
+                <artifactId>dokka-maven-plugin</artifactId>
+                <version>2.0.0</version>
+                <executions>
+                    <execution>
+                        <phase>pre-site</phase>
+                        <goals>
+                            <goal>dokka</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>default-compile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>default-testCompile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>testCompile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>testCompile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

features/kotlin/src/main/kotlin/cc/carm/lib/configuration/kotlin/value/Lists.kt

@@ -0,0 +1,29 @@
+package cc.carm.lib.configuration.kotlin.value
+
+import cc.carm.lib.configuration.adapter.ValueType
+import cc.carm.lib.configuration.builder.list.SourceListBuilder
+import cc.carm.lib.configuration.value.standard.ConfiguredList
+import kotlin.reflect.KClass
+
+inline fun <S : Any, reified V> listFrom(
+    clazz: KClass<S>, block: (SourceListBuilder<S, V>.() -> Unit)
+): ConfiguredList<V> {
+    return listFrom(clazz.java, block)
+}
+
+inline fun <S : Any, reified V> listFrom(
+    clazz: Class<S>, block: (SourceListBuilder<S, V>.() -> Unit)
+): ConfiguredList<V> {
+    return listFrom(ValueType.of(clazz), block)
+}
+
+inline fun <S : Any, reified V> listFrom(
+    valueType: ValueType<S>, block: (SourceListBuilder<S, V>.() -> Unit)
+): ConfiguredList<V> {
+    val configBuilder = ConfiguredList.builderOf(V::class.java)
+    val sourceValueBuilder: SourceListBuilder<S, V> = if (valueType.rawType == String::class.java) {
+        @Suppress("UNCHECKED_CAST")
+        configBuilder.fromString() as SourceListBuilder<S, V>
+    } else configBuilder.from(valueType)
+    return sourceValueBuilder.also(block).build()
+}

features/kotlin/src/main/kotlin/cc/carm/lib/configuration/kotlin/value/Maps.kt

@@ -0,0 +1,107 @@
+package cc.carm.lib.configuration.kotlin.value
+
+import cc.carm.lib.configuration.adapter.ValueType
+import cc.carm.lib.configuration.builder.map.SourceMapBuilder
+import cc.carm.lib.configuration.value.standard.ConfiguredMap
+import java.util.*
+import kotlin.reflect.KClass
+
+inline fun <S : Any, reified K, reified V> hashmapFrom(
+    clazz: KClass<S>,
+    block: SourceMapBuilder<HashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return hashmapFrom(clazz.java, block)
+}
+
+inline fun <S : Any, reified K, reified V> hashmapFrom(
+    clazz: Class<S>,
+    block: SourceMapBuilder<HashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return hashmapFrom(ValueType.of(clazz), block)
+}
+
+inline fun <S : Any, reified K, reified V> hashmapFrom(
+    valueType: ValueType<S>,
+    block: SourceMapBuilder<HashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    val mapCreator = ConfiguredMap.builderOf(K::class.java, V::class.java)
+    val sourceValueBuilder: SourceMapBuilder<HashMap<K, V>, S, K, V> = mapCreator.asHashMap().from(valueType)
+    return sourceValueBuilder.also(block).build()
+}
+
+inline fun <S : Any, reified K, reified V> linkedMapFrom(
+    clazz: KClass<S>,
+    block: SourceMapBuilder<LinkedHashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return linkedMapFrom(clazz.java, block)
+}
+
+inline fun <S : Any, reified K, reified V> linkedMapFrom(
+    clazz: Class<S>,
+    block: SourceMapBuilder<LinkedHashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return linkedMapFrom(ValueType.of(clazz), block)
+}
+
+inline fun <S : Any, reified K, reified V> linkedMapFrom(
+    valueType: ValueType<S>,
+    block: SourceMapBuilder<LinkedHashMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    val mapCreator = ConfiguredMap.builderOf(K::class.java, V::class.java)
+    val sourceValueBuilder: SourceMapBuilder<LinkedHashMap<K, V>, S, K, V> = mapCreator.asLinkedMap().from(valueType)
+    return sourceValueBuilder.also(block).build()
+}
+
+inline fun <S : Any, reified K, reified V> treeMapFrom(
+    clazz: KClass<S>,
+    block: SourceMapBuilder<TreeMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return treeMapFrom(clazz.java, block)
+}
+
+inline fun <S : Any, reified K, reified V> treeMapFrom(
+    clazz: Class<S>,
+    block: SourceMapBuilder<TreeMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return treeMapFrom(ValueType.of(clazz), block)
+}
+
+inline fun <S : Any, reified K, reified V> treeMapFrom(
+    valueType: ValueType<S>,
+    block: SourceMapBuilder<TreeMap<K, V>, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    val mapCreator = ConfiguredMap.builderOf(K::class.java, V::class.java)
+    val sourceValueBuilder: SourceMapBuilder<TreeMap<K, V>, S, K, V> = mapCreator.asTreeMap().from(valueType)
+    return sourceValueBuilder.also(block).build()
+}
+
+inline fun <reified MAP : Map<K, V>, S : Any, reified K, reified V> mapFrom(
+    clazz: KClass<S>,
+    noinline map: () -> MAP,
+    block: SourceMapBuilder<MAP, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return mapFrom(clazz.java, map, block)
+}
+
+inline fun <reified MAP : Map<K, V>, S : Any, reified K, reified V> mapFrom(
+    clazz: Class<S>,
+    noinline map: () -> MAP,
+    block: SourceMapBuilder<MAP, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    return mapFrom(ValueType.of(clazz), map, block)
+}
+
+inline fun <reified MAP : Map<K, V>, S : Any, reified K, reified V> mapFrom(
+    valueType: ValueType<S>,
+    noinline map: () -> MAP,
+    block: SourceMapBuilder<MAP, S, K, V>.() -> Unit
+): ConfiguredMap<K, V> {
+    val mapCreator = ConfiguredMap.builderOf(K::class.java, V::class.java)
+    val sourceValueBuilder: SourceMapBuilder<MAP, S, K, V> = mapCreator.constructor(map).from(valueType)
+    return sourceValueBuilder.also(block).build()
+}
+
+
+fun <MAP : Map<K, V>, S, K, V> SourceMapBuilder<MAP, S, K, V>.defaultMap(map: MAP): SourceMapBuilder<MAP, S, K, V> {
+    return defaults(map)
+}

features/kotlin/src/main/kotlin/cc/carm/lib/configuration/kotlin/value/Values.kt

@@ -0,0 +1,36 @@
+package cc.carm.lib.configuration.kotlin.value
+
+import cc.carm.lib.configuration.adapter.ValueType
+import cc.carm.lib.configuration.builder.value.SourceValueBuilder
+import cc.carm.lib.configuration.value.standard.ConfiguredValue
+import kotlin.reflect.KClass
+
+inline fun <S : Any, reified T> valueFrom(
+    clazz: KClass<S>, block: (SourceValueBuilder<S, T>.() -> Unit)
+): ConfiguredValue<T> {
+    return valueFrom(clazz.java, block)
+}
+
+inline fun <S : Any, reified V> valueFrom(
+    clazz: Class<S>, block: (SourceValueBuilder<S, V>.() -> Unit)
+): ConfiguredValue<V> {
+    return valueFrom(ValueType.of(clazz), block)
+}
+
+inline fun <S : Any, reified V> valueFrom(
+    valueType: ValueType<S>, block: (SourceValueBuilder<S, V>.() -> Unit)
+): ConfiguredValue<V> {
+    val configBuilder = ConfiguredValue.builderOf(V::class.java)
+    val sourceValueBuilder: SourceValueBuilder<S, V> = if (valueType.rawType == String::class.java) {
+        @Suppress("UNCHECKED_CAST")
+        configBuilder.fromString() as SourceValueBuilder<S, V>
+    } else configBuilder.from(valueType)
+    sourceValueBuilder.parse { holder, data ->
+        holder.deserialize(V::class.java, data)
+    }
+    sourceValueBuilder.serialize { holder, data ->
+        @Suppress("UNCHECKED_CAST")
+        holder.serialize(data) as? S
+    }
+    return sourceValueBuilder.also(block).build()
+}

features/record/pom.xml

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cc.carm.lib</groupId>
+        <artifactId>configured-parent</artifactId>
+        <version>4.1.7</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>configured-feature-record</artifactId>
+    <packaging>jar</packaging>
+
+    <properties>
+        <maven.compiler.source>16</maven.compiler.source>
+        <maven.compiler.target>16</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>cc.carm.lib</groupId>
+            <artifactId>configured-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>cc.carm.lib</groupId>
+            <artifactId>configured-temp</artifactId>
+            <version>${project.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>16</source>
+                    <target>16</target>
+                    <encoding>UTF-8</encoding>
+                    <compilerArgument>-parameters</compilerArgument>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

features/record/src/main/java/cc/carm/lib/configured/adapter/record/RecordAdapter.java

@@ -0,0 +1,114 @@
+package cc.carm.lib.configured.adapter.record;
+
+import cc.carm.lib.configuration.adapter.ValueAdapter;
+import cc.carm.lib.configuration.adapter.ValueParser;
+import cc.carm.lib.configuration.adapter.ValueSerializer;
+import cc.carm.lib.configuration.adapter.ValueType;
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import cc.carm.lib.configuration.source.section.ConfigureSection;
+import org.jetbrains.annotations.NotNull;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.RecordComponent;
+import java.util.Arrays;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+public class RecordAdapter<T extends Record> extends ValueAdapter<T> {
+
+    public static void register(ConfigurationHolder<?> holder) {
+        holder.adapters().register(of(Record.class));
+    }
+
+    public static <R extends Record> RecordAdapter<R> of(@NotNull Class<R> type) {
+        return of(ValueType.of(type));
+    }
+
+    public static <R extends Record> RecordAdapter<R> of(@NotNull ValueType<R> type) {
+        return new RecordAdapter<>(type);
+    }
+
+    public RecordAdapter(@NotNull ValueType<T> type) {
+        super(type, serializer(type), parser(type));
+    }
+
+    public static <R extends Record> ValueSerializer<R> serializer(@NotNull ValueType<R> type) {
+        return (holder, type1, r) -> toMap(holder, r);
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <R extends Record> ValueParser<R> parser(@NotNull ValueType<R> type) {
+        return (holder, valueType, value) -> {
+            if (value instanceof ConfigureSection section) {
+                return fromMap(holder, (Class<R>) valueType.getRawType(), section.asMap());
+            } else if (value instanceof Map<?, ?> map) {
+                return fromMap(holder, (Class<R>) valueType.getRawType(), (Map<String, Object>) map);
+            } else return null;
+        };
+    }
+
+    public static <R extends Record> Map<String, Object> toMap(
+        @NotNull ConfigurationHolder<?> holder, @NotNull R record
+    ) throws Exception {
+        Map<String, Object> map = new LinkedHashMap<>();
+        Class<?> recordClass = record.getClass();
+        if (!recordClass.isRecord()) {
+            throw new IllegalArgumentException("Object is not a record");
+        }
+        try {
+            for (RecordComponent component : recordClass.getRecordComponents()) {
+                String name = component.getName();
+                Method accessor = component.getAccessor();
+                accessor.setAccessible(true);
+                Object value = accessor.invoke(record);
+                map.put(name, serializeValue(holder, value));
+            }
+        } catch (IllegalAccessException | InvocationTargetException e) {
+            throw new RuntimeException("Failed to convert record to map", e);
+        }
+        return map;
+    }
+
+    public static <R extends Record> R fromMap(
+        @NotNull ConfigurationHolder<?> holder,
+        @NotNull Class<R> type, @NotNull Map<String, Object> data
+    ) throws Exception {
+        RecordComponent[] components = type.getRecordComponents();
+        Object[] args = new Object[components.length];
+        for (int i = 0; i < components.length; i++) {
+            RecordComponent component = components[i];
+            args[i] = parseValue(holder, component, data.get(component.getName()));
+        }
+        return createInstance(type, args);
+    }
+
+    @SuppressWarnings("unchecked")
+    private static Object parseValue(ConfigurationHolder<?> holder, RecordComponent component, Object value) throws Exception {
+        if (value == null) return null;
+        if (component.getType().isRecord()) {
+            return fromMap(holder, component.getType().asSubclass(Record.class), (Map<String, Object>) value);
+        }
+        ValueType<?> valueType = ValueType.of(component.getGenericType());
+        return holder.deserialize(valueType, value);
+    }
+
+    private static Object serializeValue(ConfigurationHolder<?> holder, Object value) throws Exception {
+        if (value == null) return null;
+        if (value.getClass().isRecord()) {
+            return toMap(holder, (Record) value);
+        }
+        return holder.serialize(value);
+    }
+
+    private static <T> T createInstance(Class<T> t, Object[] args) throws Exception {
+        Class<?>[] paramTypes = Arrays.stream(t.getRecordComponents())
+            .map(RecordComponent::getType).toArray(Class[]::new);
+        Constructor<T> constructor = t.getDeclaredConstructor(paramTypes);
+        constructor.setAccessible(true); // Make sure the constructor is accessible
+        return constructor.newInstance(args);
+    }
+
+
+}

features/record/src/test/java/RecordTest.java

@@ -0,0 +1,127 @@
+import cc.carm.lib.configuration.Configuration;
+import cc.carm.lib.configuration.annotation.ConfigPath;
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import cc.carm.lib.configuration.source.temp.TempConfigFactory;
+import cc.carm.lib.configuration.value.standard.ConfiguredValue;
+import cc.carm.lib.configured.adapter.record.RecordAdapter;
+import org.jetbrains.annotations.Nullable;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+public class RecordTest {
+
+    @ConfigPath(root = true)
+    interface ConfigA extends Configuration {
+
+        ConfiguredValue<Device> VAL = ConfiguredValue.of(new Device(
+            "device1",
+            "My Device",
+            UUID.fromString("123e4567-e89b-12d3-a456-426614174000"),
+            new Chip("chip1", null),
+            Arrays.asList(
+                new User("Alice", 30),
+                new User("Bob", 25)
+            ),
+            Map.of(
+                "Cloud", new Connection("cloud.example.com", 443),
+                "Local", new Connection("127.0.0.1", 8080)
+            )
+        ));
+
+    }
+
+    @ConfigPath(root = true)
+    interface ConfigB extends Configuration {
+
+        ConfiguredValue<Device> VAL = ConfiguredValue.of(Device.class);
+    }
+
+    @Test
+    public void test() {
+
+        ConfigurationHolder<?> holder = TempConfigFactory.create().build();
+        RecordAdapter.register(holder);
+        holder.initialize(ConfigA.class);
+
+        System.out.println("Device ID: " + ConfigA.VAL.resolve().id());
+        System.out.println("Device Name: " + ConfigA.VAL.resolve().name());
+        System.out.println("Device Serial: " + ConfigA.VAL.resolve().serial());
+        System.out.println("Chip ID: " + ConfigA.VAL.resolve().chip().id());
+        System.out.println("Chip Serial: " + ConfigA.VAL.resolve().chip().serialNumber());
+        for (User user : ConfigA.VAL.resolve().users()) {
+            System.out.println("Another Users: " + user.name() + ", Age: " + user.age());
+        }
+
+        printMap(holder.config().asMap(), 0);
+
+//        try {
+//            List<User> parsed = holder.deserialize(ValueType.ofList(User.class), holder.config().getList("val.users"));
+//            System.out.println("Parsed Users: " + parsed);
+//        } catch (Exception e) {
+//            e.printStackTrace();
+//        }
+
+
+        ConfigurationHolder<?> anotherHolder = TempConfigFactory.create().defaults(() -> holder.config().asMap()).build();
+        RecordAdapter.register(anotherHolder);
+
+        anotherHolder.initialize(ConfigB.class);
+
+        System.out.println("Another Device ID: " + ConfigB.VAL.resolve().id());
+        System.out.println("Another Device Name: " + ConfigB.VAL.resolve().name());
+        System.out.println("Another Device Serial: " + ConfigB.VAL.resolve().serial());
+        System.out.println("Another Chip ID: " + ConfigB.VAL.resolve().chip().id());
+        System.out.println("Another Chip Serial: " + ConfigB.VAL.resolve().chip().serialNumber());
+        System.out.println("users: " + ConfigB.VAL.resolve().users().size());
+        for (User user : ConfigB.VAL.resolve().users()) {
+            System.out.println("Another Users: " + user.name() + ", Age: " + user.age());
+        }
+        ConfigB.VAL.resolve().connections.forEach((k, v) -> {
+            System.out.println("Connection " + k + ": " + v.address() + ":" + v.port());
+        });
+
+
+    }
+
+    record User(String name, int age) {
+    }
+
+    record Connection(String address, int port) {
+    }
+
+    record Device(String id, String name, UUID serial, Chip chip,
+                  List<User> users,
+                  Map<String, Connection> connections) {
+    }
+
+    record Chip(String id, @Nullable String serialNumber) {
+    }
+
+
+    static void printMap(Map<String, Object> map, int indent) {
+        String indentStr = " ".repeat(indent);
+        for (Map.Entry<String, Object> entry : map.entrySet()) {
+            if (entry.getValue() instanceof Map<?, ?> subMap) {
+                System.out.println(indentStr + entry.getKey() + ":");
+                printMap((Map<String, Object>) subMap, indent + 2);
+            } else if (entry.getValue() instanceof List<?> subList) {
+                System.out.println(indentStr + entry.getKey() + ":");
+                for (Object item : subList) {
+                    if (item instanceof Map<?, ?> itemMap) {
+                        System.out.println(indentStr + "  - ");
+                        printMap((Map<String, Object>) itemMap, indent + 2);
+                    } else {
+                        System.out.println(indentStr + "  - " + item);
+                    }
+                }
+            } else {
+                System.out.println(indentStr + entry.getKey() + ": " + entry.getValue());
+            }
+        }
+    }
+
+}

features/section/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.0</version>
+        <version>4.1.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>

features/section/src/main/java/cc/carm/lib/configuration/source/section/ImmutableSection.java

@@ -74,7 +74,7 @@ public class ImmutableSection implements ConfigureSection {
     @Override
     public @Nullable ConfigureSection getSection(@NotNull String path) {
         ConfigureSection get = raw().getSection(path);
-        if (get != null && !(get instanceof ImmutableSection)) {
+        if (!(get instanceof ImmutableSection)) {
             return new ImmutableSection(this, get);
         }
         return get;
@@ -166,12 +166,12 @@ public class ImmutableSection implements ConfigureSection {
     }
 
     @Override
-    public <T> @Nullable T get(@NotNull String path, @Nullable T defaults, @NotNull Class<T> clazz) {
+    public <T> @Nullable T get(@NotNull String path, T defaults, @NotNull Class<T> clazz) {
         return raw().get(path, defaults, clazz);
     }
 
     @Override
-    public <T> @Nullable T get(@NotNull String path, @Nullable T defaultValue, @NotNull DataFunction<Object, T> parser) {
+    public <T> @Nullable T get(@NotNull String path, T defaultValue, @NotNull DataFunction<Object, T> parser) {
         return raw().get(path, defaultValue, parser);
     }
 
@@ -350,6 +350,11 @@ public class ImmutableSection implements ConfigureSection {
         return raw().getCharList(path);
     }
 
+    @Override
+    public @NotNull List<ConfigureSection> getSectionList(@NotNull String path) {
+        return raw().getSectionList(path);
+    }
+
     @Override
     public <T, C extends Collection<T>> @NotNull C getCollection(@NotNull String path, @NotNull Supplier<C> constructor, @NotNull DataFunction<Object, T> parser) {
         return raw().getCollection(path, constructor, parser);

features/text/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.0</version>
+        <version>4.1.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>

features/text/src/main/java/cc/carm/lib/configuration/value/text/ConfiguredText.java

@@ -7,7 +7,6 @@ import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.value.ValueManifest;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;
 import cc.carm.lib.configuration.value.text.data.TextContents;
-import cc.carm.lib.configuration.value.text.function.TextDispatcher;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -22,7 +21,7 @@ import java.util.function.Consumer;
  */
 public class ConfiguredText<MSG, RECEIVER> extends ConfiguredValue<TextContents> {
 
-    public static <M, R> Builder<M, R, ?> builder() {
+    public static <M, R> Builder<M, R, ?> create() {
         return new StardardBuilder<>();
     }
 
@@ -38,7 +37,7 @@ public class ConfiguredText<MSG, RECEIVER> extends ConfiguredValue<TextContents>
 
     protected final @NotNull String[] params; // The parameters of the message.
 
-    public ConfiguredText(@NotNull ValueManifest<TextContents> manifest,
+    public ConfiguredText(@NotNull ValueManifest<TextContents, TextContents> manifest,
                           @NotNull BiFunction<RECEIVER, String, String> parser,
                           @NotNull BiFunction<RECEIVER, String, MSG> compiler,
                           @NotNull BiConsumer<RECEIVER, List<MSG>> dispatcher,
@@ -50,7 +49,7 @@ public class ConfiguredText<MSG, RECEIVER> extends ConfiguredValue<TextContents>
         this.params = params;
     }
 
-    public TextDispatcher<MSG, RECEIVER, ?> prepare(@NotNull Object... values) {
+    public PreparedText<MSG, RECEIVER> prepare(@NotNull Object... values) {
         return new PreparedText<MSG, RECEIVER>(resolve(), this.params)
             .parser(this.parser).compiler(this.compiler)
             .dispatcher(this.dispatcher).placeholders(values);
@@ -121,7 +120,7 @@ public class ConfiguredText<MSG, RECEIVER> extends ConfiguredValue<TextContents>
     }
 
     public abstract static class Builder<MSG, RECEIVER, SELF extends Builder<MSG, RECEIVER, SELF>>
-            extends AbstractConfigBuilder<TextContents, ConfiguredText<MSG, RECEIVER>, ConfigurationHolder<?>, SELF> {
+        extends AbstractConfigBuilder<TextContents, TextContents, ConfiguredText<MSG, RECEIVER>, ConfigurationHolder<?>, SELF> {
         protected @NotNull TextContents.Builder defaultBuilder = TextContents.builder();
         protected @NotNull String[] params = new String[0];
 

features/text/src/main/java/cc/carm/lib/configuration/value/text/function/ContentHandler.java

@@ -1,52 +1,27 @@
 package cc.carm.lib.configuration.value.text.function;
 
 import cc.carm.lib.configuration.value.text.data.TextContents;
+import cc.carm.lib.configuration.value.text.function.common.AppendLineInserter;
+import cc.carm.lib.configuration.value.text.function.common.OptionalLineInserter;
+import cc.carm.lib.configuration.value.text.function.common.ParamReplacer;
+import cc.carm.lib.configuration.value.text.function.inserter.ContentInserter;
+import cc.carm.lib.configuration.value.text.function.inserter.Insertable;
+import cc.carm.lib.configuration.value.text.function.replacer.ContentReplacer;
+import cc.carm.lib.configuration.value.text.function.replacer.Replaceable;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 import java.util.function.BiFunction;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.function.UnaryOperator;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import java.util.stream.IntStream;
 
-public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEIVER, SELF>> {
+public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEIVER, SELF>>
-
+    implements Replaceable<RECEIVER, SELF>, Insertable<RECEIVER, SELF> {
-    /**
-     * Used to match the message insertion.
-     * <p>
-     * format:
-     * <br>- to insert parsed line {prefix}#content-id#{offset-above,offset-down}
-     * <br>- to insert original line {prefix}@content-id@{offset-above,offset-down}
-     * <br>  original lines will not be parsed
-     * <br> example:
-     * <ul>
-     *     <li>{- }#content-id#{1,1}</li>
-     *     <li>@content-id@{1,1}</li>
-     * </ul>
-     */
-    public static final @NotNull Pattern INSERT_PATTERN = Pattern.compile(
-            "^(?:\\{(?<prefix>.*)})?(?<type>[#@])(?<id>.*)[#@](?:\\{(?<above>-?\\d+)(?:,(?<down>-?\\d+))?})?$"
-    );
-
-    /**
-     * Used to match the message which can be inserted
-     * <p>
-     * format:
-     * <br>- ?[id]Message content
-     * <br> example:
-     * <ul>
-     *     <li>?[click]Click to use this item!</li>
-     * </ul>
-     */
-    public static final @NotNull Pattern ENABLE_PATTERN = Pattern.compile(
-            "^\\?\\[(?<id>.+)](?<content>.*)$"
-    );
-
-    public static final @NotNull UnaryOperator<String> DEFAULT_PARAM_BUILDER = s -> "%(" + s + ")";
 
     protected BiFunction<RECEIVER, String, String> parser = (receiver, value) -> value;
     protected String lineSeparator = System.lineSeparator();
@@ -54,16 +29,24 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
     /**
      * Used to store the placeholders of the message
      */
-    protected @NotNull Map<String, Object> placeholders = new HashMap<>();
+    protected @NotNull ParamReplacer<RECEIVER> paramReplacer = ParamReplacer.defaults();
-    protected @NotNull UnaryOperator<String> paramFormatter = DEFAULT_PARAM_BUILDER;
     protected @NotNull String[] params;
 
+    protected @NotNull List<ContentReplacer<RECEIVER>> replacers = new ArrayList<>();
+    protected @NotNull List<ContentInserter<RECEIVER>> inserters = new ArrayList<>();
+
     /**
      * Used to store the insertion of the message
      */
-    protected @NotNull Map<String, @Nullable Function<RECEIVER, List<String>>> insertion = new HashMap<>();
+    protected final @NotNull Map<String, @Nullable Function<RECEIVER, List<String>>> insertion = new HashMap<>();
     protected boolean disableInsertion = false;
 
+    public ContentHandler() {
+        inserters.add(new AppendLineInserter<>(0));
+        inserters.add(new OptionalLineInserter<>(0));
+    }
+
+
     public abstract SELF self();
 
     /**
@@ -87,6 +70,11 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
         return self();
     }
 
+    @Override
+    public boolean noneInsertion() {
+        return this.insertion.isEmpty();
+    }
+
     /**
      * Set the line separator for the text.
      *
@@ -106,7 +94,7 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
      * @return the current {@link ContentHandler} instance
      */
     public SELF placeholders(@NotNull Map<String, Object> placeholders) {
-        this.placeholders = placeholders;
+        this.paramReplacer.set(placeholders);
         return self();
     }
 
@@ -117,7 +105,7 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
      * @return the current {@link ContentHandler} instance
      */
     public SELF placeholders(@NotNull Consumer<Map<String, Object>> consumer) {
-        consumer.accept(this.placeholders);
+        consumer.accept(this.paramReplacer.placeholders());
         return self();
     }
 
@@ -128,7 +116,8 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
      * @return the current {@link ContentHandler} instance
      */
     public SELF placeholders(@Nullable Object... values) {
-        return placeholders(map -> map.putAll(buildParams(this.paramFormatter, this.params, values)));
+        this.paramReplacer.putAll(this.params, values);
+        return self();
     }
 
     /**
@@ -139,7 +128,7 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
      * @return the current {@link ContentHandler} instance
      */
     public SELF placeholder(@NotNull String key, @Nullable Object value) {
-        this.placeholders.put(paramFormatter.apply(key), value);
+        this.paramReplacer.put(key, value);
         return self();
     }
 
@@ -155,49 +144,57 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
         return self();
     }
 
-    /**
+    @Override
-     * Insert the specific contents by the id.
+    public List<ContentReplacer<RECEIVER>> replacers() {
-     *
+        return this.replacers;
-     * @param id the id of the insertion text
+    }
-     * @return the current {@link ContentHandler} instance
+
-     */
+    @Override
-    public SELF insert(@NotNull String id) {
+    public SELF replacer(@NotNull ContentReplacer<RECEIVER> replacer) {
-        this.insertion.put(id, null);
+        this.replacers.add(replacer);
+        this.replacers.sort(ContentReplacer::compareTo);
         return self();
     }
 
-    /**
+    public SELF paramReplacer(@NotNull ParamReplacer<RECEIVER> paramReplacer) {
-     * Insert the specific contents by the id.
+        this.paramReplacer = paramReplacer;
-     *
-     * @param id            the id of the insertion text
-     * @param linesSupplier to supply the lines to insert
-     * @return the current {@link ContentHandler} instance
-     */
-    public SELF insert(@NotNull String id, @NotNull Function<RECEIVER, List<String>> linesSupplier) {
-        this.insertion.put(id, linesSupplier);
         return self();
     }
 
-    /**
+    @Override
-     * Insert the specific contents by the id.
+    public List<ContentInserter<RECEIVER>> inserters() {
-     *
+        return this.inserters;
-     * @param id    the id of the insertion text
-     * @param lines the lines to insert
-     * @return the current {@link ContentHandler} instance
-     */
-    public SELF insert(@NotNull String id, @NotNull String... lines) {
-        return insert(id, Arrays.asList(lines));
     }
 
-    /**
+    @Override
-     * Insert the specific contents by the id.
+    public SELF inserter(@NotNull ContentInserter<RECEIVER> inserter) {
-     *
+        this.inserters.add(inserter);
-     * @param id    the id of the insertion text
+        this.inserters.sort(ContentInserter::compareTo);
-     * @param lines the lines to insert
+        return self();
-     * @return the current {@link ContentHandler} instance
+    }
-     */
+
-    public SELF insert(@NotNull String id, @NotNull List<String> lines) {
+    @Override
-        return insert(id, receiver -> lines);
+    public SELF insert(@NotNull String id, @Nullable Function<RECEIVER, List<String>> supplier) {
+        this.insertion.put(id, supplier);
+        return self();
+    }
+
+    @Override
+    public boolean inserting(@NotNull String id) {
+        return this.insertion.keySet().stream().anyMatch(key -> key.equalsIgnoreCase(id));
+    }
+
+    @Override
+    public @Nullable List<String> getInsertion(@NotNull String id, @Nullable RECEIVER receiver) {
+        Function<RECEIVER, List<String>> function = this.insertion.get(id);
+        if (function == null) return null;
+        return function.apply(receiver);
+    }
+
+    @Override
+    public SELF removeInsert(@NotNull String id) {
+        this.insertion.remove(id);
+        return self();
     }
 
     /**
@@ -219,63 +216,41 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
      * @return the parsed text
      */
     protected @Nullable String parse(@Nullable RECEIVER receiver, @NotNull String text) {
-        return this.parser.apply(receiver, setPlaceholders(text, this.placeholders));
+        text = applyReplacements(receiver, text); // First, apply the custom replacements
+        text = this.paramReplacer.replace(text, receiver); // Then, apply the static placeholders
+        return this.parser.apply(receiver, text); // Finally, parse the text
     }
 
     public void handle(@NotNull TextContents contents, @Nullable RECEIVER receiver,
                        @NotNull Consumer<String> lineConsumer) {
         if (contents.isEmpty()) return; // Nothing to parse
 
-        if (this.disableInsertion) {
+        if (this.disableInsertion || noneInsertion()) {
             contents.lines().forEach(line -> lineConsumer.accept(parse(receiver, line)));
             return; // Simple parsed
         }
 
+        // Set the default insertion of the text
+        for (Map.Entry<String, @Nullable Function<RECEIVER, List<String>>> entry : this.insertion.entrySet()) {
+            if (entry.getValue() != null) continue;
+            List<String> lines = contents.optionalLines().get(entry.getKey());
+            if (lines == null) continue;
+            entry.setValue(r -> lines);
+        }
+
+        lines:
         for (String line : contents.lines()) {
-            Matcher insertMatcher = INSERT_PATTERN.matcher(line);
+            for (ContentInserter<RECEIVER> inserter : inserters) {
-            if (insertMatcher.matches()) {
+                List<String> inserted = inserter.handle(receiver, line, this);
-                doInsert(insertMatcher, receiver, lineConsumer);
+                if (inserted != null) { // Found the insertion
-                continue;
+                    inserted.forEach(l -> lineConsumer.accept(parse(receiver, l)));
+                    continue lines; // Go to the next line
                 }
-
-            Matcher enableMatcher = ENABLE_PATTERN.matcher(line);
-            if (enableMatcher.matches()) {
-                if (this.insertion.containsKey(enableMatcher.group("id"))) {
-                    lineConsumer.accept(parse(receiver, enableMatcher.group("content")));
             }
-                continue;
-            }
-
             lineConsumer.accept(parse(receiver, line));
         }
     }
 
-    private void doInsert(Matcher matcher, @Nullable RECEIVER receiver,
-                          @NotNull Consumer<String> lineConsumer) {
-        String id = matcher.group("id");
-        List<String> values = Optional.ofNullable(this.insertion.get(id))
-                .map(f -> f.apply(receiver))
-                .orElse(null);
-        if (values == null || values.isEmpty()) return; // No values to insert
-
-        String prefix = matcher.group("prefix");
-        String type = matcher.group("type");
-        boolean original = type.equals("@");
-        int offsetAbove = Optional.ofNullable(matcher.group("above"))
-                .map(Integer::parseInt).orElse(0);
-        int offsetDown = Optional.ofNullable(matcher.group("down"))
-                .map(Integer::parseInt).orElse(offsetAbove); // If offsetDown is not set, use offsetAbove
-
-        IntStream.range(0, Math.max(0, offsetAbove)).mapToObj(i -> "").forEach(lineConsumer);
-        String prefixContent = Optional.ofNullable(prefix).map(p -> parse(receiver, p)).orElse("");
-        if (original) {
-            values.stream().map(value -> prefixContent + value).forEach(lineConsumer);
-        } else {
-            values.stream().map(value -> prefixContent + parse(receiver, value)).forEach(lineConsumer);
-        }
-        IntStream.range(0, Math.max(0, offsetDown)).mapToObj(i -> "").forEach(lineConsumer);
-    }
-
     public static String setPlaceholders(@NotNull String messages,
                                          @NotNull Map<String, Object> placeholders) {
         if (messages.isEmpty()) return messages;

features/text/src/main/java/cc/carm/lib/configuration/value/text/function/TextDispatcher.java

@@ -1,6 +1,5 @@
 package cc.carm.lib.configuration.value.text.function;
 
-import cc.carm.lib.configuration.value.text.data.TextContents;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Arrays;

features/text/src/main/java/cc/carm/lib/configuration/value/text/function/common/AppendLineInserter.java

@@ -0,0 +1,67 @@
+package cc.carm.lib.configuration.value.text.function.common;
+
+import cc.carm.lib.configuration.value.text.function.inserter.ContentInserter;
+import cc.carm.lib.configuration.value.text.function.inserter.Insertable;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.IntStream;
+
+public class AppendLineInserter<RECEIVER> extends ContentInserter<RECEIVER> {
+
+    /**
+     * Used to match the message insertion.
+     * <p>
+     * format:
+     * <br>- to insert parsed line {prefix}#content-id#{offset-above,offset-down}
+     * <br>- to insert original line {prefix}@content-id@{offset-above,offset-down}
+     * <br>  original lines will not be parsed
+     * <br> example:
+     * <ul>
+     *     <li>{- }#content-id#{1,1}</li>
+     *     <li>@content-id@{1,1}</li>
+     * </ul>
+     */
+    public static final @NotNull Pattern APPEND_PATTERN = Pattern.compile(
+        "^(?:\\{(?<prefix>.*)})?#(?<id>.*)#(?:\\{(?<above>-?\\d+)(?:,(?<down>-?\\d+))?})?$"
+    );
+
+    public AppendLineInserter(int priority) {
+        super(priority, APPEND_PATTERN);
+    }
+
+    @Override
+    protected @Nullable String extractID(@NotNull Matcher matcher) {
+        return matcher.group("id");
+    }
+
+    @Override
+    protected @NotNull List<String> get(@Nullable RECEIVER receiver, @NotNull Matcher matcher,
+                                        @NotNull Insertable<RECEIVER, ?> insertion) {
+        String id = extractID(matcher);
+        List<String> values = insertion.getInsertion(id, receiver);
+        if (values == null || values.isEmpty()) return Collections.emptyList(); // No values to insert
+
+        String prefix = Optional.ofNullable(matcher.group("prefix")).orElse("");
+        int offsetAbove = Optional.ofNullable(matcher.group("above"))
+            .map(Integer::parseInt).orElse(0);
+        int offsetDown = Optional.ofNullable(matcher.group("down"))
+            .map(Integer::parseInt).orElse(offsetAbove); // If offsetDown is not set, use offsetAbove
+
+        List<String> contents = new ArrayList<>();
+
+        IntStream.range(0, Math.max(0, offsetAbove)).mapToObj(i -> "").forEach(contents::add);
+        values.stream().map(value -> prefix + value).forEach(contents::add);
+        IntStream.range(0, Math.max(0, offsetDown)).mapToObj(i -> "").forEach(contents::add);
+
+        return contents;
+    }
+
+
+}

features/text/src/main/java/cc/carm/lib/configuration/value/text/function/common/OptionalLineInserter.java

@@ -0,0 +1,46 @@
+package cc.carm.lib.configuration.value.text.function.common;
+
+import cc.carm.lib.configuration.value.text.function.inserter.ContentInserter;
+import cc.carm.lib.configuration.value.text.function.inserter.Insertable;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class OptionalLineInserter<RECEIVER> extends ContentInserter<RECEIVER> {
+
+    /**
+     * Used to match the message which can be inserted
+     * <p>
+     * format:
+     * <br>- ?[id]Message content
+     * <br> example:
+     * <ul>
+     *     <li>?[click]Click to use this item!</li>
+     * </ul>
+     */
+    public static final @NotNull Pattern OPTIONAL_PATTERN = Pattern.compile(
+        "^\\?\\[(?<id>.+)](?<content>.*)$"
+    );
+
+    public OptionalLineInserter(int priority) {
+        super(priority, OPTIONAL_PATTERN);
+    }
+
+    @Override
+    protected @Nullable String extractID(@NotNull Matcher matcher) {
+        return matcher.group("id");
+    }
+
+    @Override
+    protected @NotNull List<String> get(@Nullable RECEIVER receiver, @NotNull Matcher matcher,
+                                        @NotNull Insertable<RECEIVER, ?> insertion) {
+        String content = matcher.group("content");
+        if (content == null) return Collections.emptyList();
+        return Collections.singletonList(content);
+    }
+
+}

features/text/src/main/java/cc/carm/lib/configuration/value/text/function/common/ParamReplacer.java

@@ -0,0 +1,71 @@
+package cc.carm.lib.configuration.value.text.function.common;
+
+import cc.carm.lib.configuration.value.text.function.replacer.ContentReplacer;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class ParamReplacer<RECEIVER> extends ContentReplacer<RECEIVER> {
+
+    public static final @NotNull Pattern DEFAULT_PARAM_PATTERN = Pattern.compile("%\\((?<id>[^)]+)\\)");
+
+    public static <R> ParamReplacer<R> defaults() {
+        return create(DEFAULT_PARAM_PATTERN, m -> m.group("id"));
+    }
+
+    public static <R> ParamReplacer<R> create(@NotNull Pattern pattern, @NotNull Function<Matcher, String> extractor) {
+        return new ParamReplacer<>(0, pattern, extractor);
+    }
+
+    protected final @NotNull Function<Matcher, @Nullable String> extractor;
+    protected @NotNull Map<String, Object> placeholders = new HashMap<>();
+
+    public ParamReplacer(int priority, @NotNull Pattern pattern, @NotNull Function<Matcher, String> extractor) {
+        super(priority, pattern);
+        this.extractor = extractor;
+    }
+
+    public @NotNull Map<String, Object> placeholders() {
+        return placeholders;
+    }
+
+    @Override
+    protected @Nullable String get(@NotNull RECEIVER receiver, @NotNull Matcher matcher) {
+        @Nullable String id = extractor.apply(matcher);
+        if (id == null) return null;
+        Object value = placeholders.get(id);
+        if (value == null) return null;
+        return value.toString();
+    }
+
+    public void set(@NotNull Map<String, Object> placeholders) {
+        this.placeholders = placeholders;
+    }
+
+    public void put(@NotNull String id, @Nullable Object value) {
+        placeholders.put(id, value);
+    }
+
+    public void remove(@NotNull String id) {
+        placeholders.remove(id);
+    }
+
+    public void putAll(@NotNull Map<String, Object> placeholders) {
+        this.placeholders.putAll(placeholders);
+    }
+
+    public void putAll(@NotNull String[] params, @NotNull Object[] values) {
+        for (int i = 0; i < params.length; i++) {
+            placeholders.put(params[i], (values != null && values.length > i) ? values[i] : "?");
+        }
+    }
+
+    public void clear() {
+        placeholders.clear();
+    }
+}

features/text/src/main/java/cc/carm/lib/configuration/value/text/function/inserter/ContentInserter.java

@@ -0,0 +1,51 @@
+package cc.carm.lib.configuration.value.text.function.inserter;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public abstract class ContentInserter<RECEIVER> implements Comparable<ContentInserter<RECEIVER>> {
+
+    protected final int priority;
+    protected @NotNull Pattern pattern;
+
+    public ContentInserter(int priority, @NotNull Pattern pattern) {
+        this.priority = priority;
+        this.pattern = pattern;
+    }
+
+    public int priority() {
+        return priority;
+    }
+
+    public void setPattern(@NotNull Pattern pattern) {
+        this.pattern = pattern;
+    }
+
+    public @NotNull Matcher matcher(@NotNull String text) {
+        return pattern.matcher(text);
+    }
+
+    protected abstract @Nullable String extractID(@NotNull Matcher matcher);
+
+    protected abstract @NotNull List<String> get(@Nullable RECEIVER receiver, @NotNull Matcher matcher,
+                                                 @NotNull Insertable<RECEIVER, ?> insertions);
+
+    public @Nullable List<String> handle(@Nullable RECEIVER receiver, @NotNull String line,
+                                         @NotNull Insertable<RECEIVER, ?> insertions) {
+        Matcher matcher = matcher(line);
+        if (!matcher.matches()) return null;
+        if (!insertions.inserting(extractID(matcher))) return Collections.emptyList();
+        return get(receiver, matcher, insertions);
+    }
+
+    @Override
+    public int compareTo(@NotNull ContentInserter<RECEIVER> o) {
+        return Integer.compare(o.priority, priority);
+    }
+
+}

features/text/src/main/java/cc/carm/lib/configuration/value/text/function/inserter/Insertable.java

@@ -0,0 +1,66 @@
+package cc.carm.lib.configuration.value.text.function.inserter;
+
+import cc.carm.lib.configuration.value.text.function.ContentHandler;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.function.Function;
+
+public interface Insertable<RECEIVER, SELF> {
+
+    List<ContentInserter<RECEIVER>> inserters();
+
+    SELF inserter(@NotNull ContentInserter<RECEIVER> inserter);
+
+    boolean noneInsertion();
+
+    boolean inserting(@NotNull String id);
+
+    @Nullable List<String> getInsertion(@NotNull String id, @Nullable RECEIVER receiver);
+
+    /**
+     * Insert the specific contents by the id.
+     *
+     * @param id       the id of the insertion text
+     * @param supplier to supply the lines to insert
+     * @return the current {@link ContentHandler} instance
+     */
+    SELF insert(@NotNull String id, @Nullable Function<RECEIVER, List<String>> supplier);
+
+    /**
+     * Insert the specific contents by the id.
+     *
+     * @param id the id of the insertion text
+     * @return the current {@link ContentHandler} instance
+     */
+    default SELF insert(@NotNull String id) {
+        return insert(id, (Function<RECEIVER, List<String>>) null);
+    }
+
+    /**
+     * Insert the specific contents by the id.
+     *
+     * @param id       the id of the insertion text
+     * @param contents the lines to insert
+     * @return the current {@link ContentHandler} instance
+     */
+    default SELF insert(@NotNull String id, @NotNull List<String> contents) {
+        return insert(id, receiver -> contents);
+    }
+
+    /**
+     * Insert the specific contents by the id.
+     *
+     * @param id       the id of the insertion text
+     * @param contents the lines to insert
+     * @return the current {@link ContentHandler} instance
+     */
+    default SELF insert(@NotNull String id, @NotNull String... contents) {
+        return insert(id, Arrays.asList(contents));
+    }
+
+    SELF removeInsert(@NotNull String id);
+
+}

features/text/src/main/java/cc/carm/lib/configuration/value/text/function/replacer/ContentReplacer.java

@@ -0,0 +1,105 @@
+package cc.carm.lib.configuration.value.text.function.replacer;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.function.BiFunction;
+import java.util.function.Function;
+import java.util.function.Supplier;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public abstract class ContentReplacer<RECEIVER> implements Comparable<ContentReplacer<RECEIVER>> {
+
+    public static <R> ContentReplacer.Builder<R> match(@NotNull Pattern pattern) {
+        return new Builder<>(pattern);
+    }
+
+    public static <R> ContentReplacer.Builder<R> match(@NotNull String pattern) {
+        return match(Pattern.compile(pattern));
+    }
+
+    public static <R> ContentReplacer.Builder<R> replace(@NotNull String text) {
+        return match(Pattern.quote(text));
+    }
+
+    protected final int priority;
+    protected @NotNull Pattern pattern;
+
+    public ContentReplacer(int priority, @NotNull Pattern pattern) {
+        this.priority = priority;
+        this.pattern = pattern;
+    }
+
+    public int priority() {
+        return priority;
+    }
+
+    public void pattern(@NotNull Pattern pattern) {
+        this.pattern = pattern;
+    }
+
+    public @NotNull Matcher matcher(@NotNull String text) {
+        return pattern.matcher(text);
+    }
+
+    public String replace(@NotNull String text, @Nullable RECEIVER receiver) {
+        Matcher matcher = matcher(text);
+        StringBuffer sb = new StringBuffer();
+        while (matcher.find()) {
+            String replaced = get(receiver, matcher);
+            matcher.appendReplacement(sb, replaced == null ? "" : replaced);
+        }
+        matcher.appendTail(sb);
+        return sb.toString();
+    }
+
+    protected abstract @Nullable String get(@Nullable RECEIVER receiver, @NotNull Matcher matcher);
+
+    @Override
+    public int compareTo(@NotNull ContentReplacer<RECEIVER> o) {
+        return Integer.compare(o.priority, this.priority);
+    }
+
+    public static class Builder<R> {
+
+        protected final @NotNull Pattern pattern;
+        protected int priority = 0;
+
+        public Builder(@NotNull Pattern pattern) {
+            this.pattern = pattern;
+        }
+
+        public @NotNull Builder<R> priority(int priority) {
+            this.priority = priority;
+            return this;
+        }
+
+        public @NotNull ContentReplacer<R> to(BiFunction<@Nullable R, @NotNull Matcher, @Nullable String> supplier) {
+            return new ContentReplacer<R>(this.priority, this.pattern) {
+                @Override
+                protected @Nullable String get(@NotNull R receiver, @NotNull Matcher matcher) {
+                    return supplier.apply(receiver, matcher);
+                }
+            };
+        }
+
+        public @NotNull ContentReplacer<R> to(Function<@Nullable R, @Nullable String> supplier) {
+            return to((receiver, matchedParam) -> supplier.apply(receiver));
+        }
+
+        public @NotNull ContentReplacer<R> to(Supplier<@Nullable String> supplier) {
+            return to((receiver, matchedParam) -> supplier.get());
+        }
+
+        public @NotNull ContentReplacer<R> to(@NotNull String content) {
+            return to(() -> content);
+        }
+
+    }
+
+    @FunctionalInterface
+    public interface Constructor<R> extends Function<ContentReplacer.Builder<R>, ContentReplacer<R>> {
+    }
+
+}

features/text/src/main/java/cc/carm/lib/configuration/value/text/function/replacer/Replaceable.java

@@ -0,0 +1,63 @@
+package cc.carm.lib.configuration.value.text.function.replacer;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+import java.util.function.Supplier;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public interface Replaceable<RECEIVER, SELF> {
+
+    List<ContentReplacer<RECEIVER>> replacers();
+
+    default String applyReplacements(@Nullable RECEIVER receiver, @NotNull String text) {
+        for (ContentReplacer<RECEIVER> replacer : replacers()) {
+            text = replacer.replace(text, receiver);
+        }
+        return text;
+    }
+
+    SELF replacer(@NotNull ContentReplacer<RECEIVER> replacer);
+
+    default SELF replacer(@NotNull Pattern pattern, @NotNull ContentReplacer.Constructor<RECEIVER> constructor) {
+        ContentReplacer.Builder<RECEIVER> builder = ContentReplacer.match(pattern);
+        return replacer(constructor.apply(builder));
+    }
+
+    default SELF replace(@NotNull Pattern pattern,
+                         @NotNull BiFunction<@Nullable RECEIVER, @NotNull Matcher, @Nullable String> supplier) {
+        return replacer(pattern, builder -> builder.to(supplier));
+    }
+
+    default SELF replace(@NotNull Pattern pattern,
+                         @NotNull Function<@Nullable RECEIVER, @Nullable String> supplier) {
+        return replacer(pattern, builder -> builder.to(supplier));
+    }
+
+    default SELF replace(@NotNull Pattern pattern,
+                         @NotNull Supplier<@Nullable String> supplier) {
+        return replacer(pattern, builder -> builder.to(supplier));
+    }
+
+    default SELF replace(@NotNull Pattern pattern, @NotNull String replacement) {
+        return replacer(pattern, builder -> builder.to(replacement));
+    }
+
+    default SELF replace(@NotNull String text, @NotNull String replacement) {
+        return replacer(Pattern.compile(Pattern.quote(text)), builder -> builder.to(replacement));
+    }
+
+    default SELF replace(@NotNull String text, @NotNull Supplier<@Nullable String> supplier) {
+        return replacer(Pattern.compile(Pattern.quote(text)), builder -> builder.to(supplier));
+    }
+
+    default SELF replace(@NotNull String text,
+                         @NotNull Function<@Nullable RECEIVER, @Nullable String> supplier) {
+        return replacer(Pattern.compile(Pattern.quote(text)), builder -> builder.to(supplier));
+    }
+
+}

features/text/src/test/java/cc/carm/lib/configuration/value/text/tests/ConfigTest.java

@@ -7,17 +7,16 @@ import cc.carm.lib.configuration.value.text.tests.conf.AppMessages;
 import org.junit.Test;
 
 import java.io.File;
+import java.util.List;
 
 public class ConfigTest {
 
-
     public static final String[] WEBSITES = new String[]{
         "https://carm.cc",
         "https://www.baidu.com",
         "https://www.google.com"
     };
 
-
     @Test
     public void test() {
 
@@ -27,11 +26,11 @@ public class ConfigTest {
 
         System.out.println("--------------------------");
 
-        AppMessages.WELCOME.prepare()
+        List<String> str = AppMessages.WELCOME.prepare()
             .placeholders("Carm")
             .insert("guidance")
             .insert("websites", WEBSITES)
-                .to(System.out);
+            .compile(System.out);
 
         System.out.println("--------------------------");
 

features/text/src/test/java/cc/carm/lib/configuration/value/text/tests/ParseTest.java

@@ -7,6 +7,7 @@ import org.junit.Test;
 import java.io.PrintStream;
 import java.util.*;
 
+
 public class ParseTest {
 
 
@@ -18,14 +19,15 @@ public class ParseTest {
         lines.add("#more-creating#{1}");
         lines.add("This is a test message");
         lines.add("#guidance#");
-        lines.add("{- }#websites#{0,1}");
+        lines.add("{ -   }#websites#{0,1}");
         lines.add("Thanks for your reading!");
+        lines.add("uuid: $UUID$");
         lines.add("?[click]");
         lines.add("?[click]Click to see more!");
         lines.add("?[hidden]This entry should be hidden!");
 
         Map<String, List<String>> optional = new HashMap<>();
-        optional.put("guidance", Arrays.asList("To get more information for %(name), see:"));
+        optional.put("guidance", Arrays.asList("To get more information for %(name),", " see:"));
         optional.put("websites", Arrays.asList("https://www.baidu.com", "https://www.google.com"));
 
         TextContents textContents = new TextContents(lines, optional);
@@ -33,13 +35,17 @@ public class ParseTest {
         PreparedText<String, PrintStream> msg = new PreparedText<String, PrintStream>(textContents)
             .dispatcher((p, s) -> s.forEach(p::println))
             .parser((p, s) -> s)
-                .compiler((p, s) -> s);
+            .compiler((p, s) -> s)
+            .replace(    // Custom replacer, replace $UUID$ with Random UUID
+                "$UUID$", () -> UUID.randomUUID().toString()
+            );
 
         msg.placeholder("name", "Carm")
             .insert("guidance")
             .insert("click")
             .insert("websites", "Baidu", "Bilibili", "Google");
 
+
         System.out.println("----------------------------");
         msg.to(System.out);
         System.out.println("----------------------------");

features/text/src/test/java/cc/carm/lib/configuration/value/text/tests/conf/ConfiguredMsg.java

@@ -17,7 +17,8 @@ public class ConfiguredMsg extends ConfiguredText<String, PrintStream> {
         return builder().defaults(text).build();
     }
 
-    public ConfiguredMsg(@NotNull ValueManifest<TextContents> manifest, @NotNull String[] params) {
+    public ConfiguredMsg(@NotNull ValueManifest<TextContents, TextContents> manifest,
+                         @NotNull String[] params) {
         super(
             manifest,
             (p, s) -> s,

features/validators/pom.xml

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cc.carm.lib</groupId>
+        <artifactId>configured-parent</artifactId>
+        <version>4.1.7</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <properties>
+        <maven.compiler.source>${project.jdk.version}</maven.compiler.source>
+        <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+    </properties>
+
+    <artifactId>configured-feature-validators</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>configured-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

features/validators/src/main/java/cc/carm/lib/configuration/annotation/ValuePattern.java

@@ -0,0 +1,16 @@
+package cc.carm.lib.configuration.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ElementType.FIELD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ValuePattern {
+
+    String value();
+
+    String message() default "Invalid value format!";
+
+}

features/validators/src/main/java/cc/carm/lib/configuration/annotation/ValueRange.java

@@ -0,0 +1,18 @@
+package cc.carm.lib.configuration.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target({ElementType.FIELD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface ValueRange {
+
+    long min() default Long.MIN_VALUE;
+
+    long max() default Long.MAX_VALUE;
+
+    String message() default "Value out of range.";
+
+}

features/validators/src/main/java/cc/carm/lib/configuration/validators/Validators.java

@@ -0,0 +1,44 @@
+package cc.carm.lib.configuration.validators;
+
+import cc.carm.lib.configuration.annotation.ValuePattern;
+import cc.carm.lib.configuration.annotation.ValueRange;
+import cc.carm.lib.configuration.function.ValueValidator;
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.regex.Pattern;
+
+public class Validators {
+
+    private Validators() {
+        throw new UnsupportedOperationException("API Register.");
+    }
+
+    public static void activate(ConfigurationHolder<?> holder) {
+        holder.initializer().registerValidAnnotation(ValueRange.class, r -> (ho, value) -> {
+            if (!(value instanceof Number)) {
+                throw new IllegalArgumentException("Value is not a number: " + value);
+            }
+
+            Number number = (Number) value;
+            if (number.doubleValue() < r.min() || number.doubleValue() > r.max()) {
+                throw new IllegalArgumentException(r.message());
+            }
+        });
+
+        holder.initializer().registerValidAnnotation(ValuePattern.class, r -> new ValueValidator<Object>() {
+            private final Pattern pattern = Pattern.compile(r.value());
+
+            @Override
+            public void validate(@NotNull ConfigurationHolder<?> holder, @Nullable Object value) throws Exception {
+                if (value == null) return;
+                if (!pattern.matcher(value.toString()).matches()) {
+                    throw new IllegalArgumentException(r.message());
+                }
+            }
+        });
+
+    }
+
+}

features/versioned/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.0</version>
+        <version>4.1.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>

pom.xml

@@ -5,25 +5,30 @@
     <modelVersion>4.0.0</modelVersion>
 
     <properties>
-        <project.jdk.version>1.8</project.jdk.version>
+        <project.jdk.version>8</project.jdk.version>
         <maven.compiler.source>${project.jdk.version}</maven.compiler.source>
         <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+        <kotlin.version>2.2.0</kotlin.version>
     </properties>
 
     <groupId>cc.carm.lib</groupId>
     <artifactId>configured-parent</artifactId>
     <packaging>pom</packaging>
-    <version>4.1.0</version>
+    <version>4.1.7</version>
     <modules>
         <module>core</module>
         <module>features/section</module>
         <module>features/file</module>
         <module>features/commentable</module>
         <module>features/versioned</module>
+        <module>features/validators</module>
         <module>features/text</module>
+        <module>features/kotlin</module>
+        <module>features/record</module>
 
+        <module>providers/temp</module>
         <module>providers/yaml</module>
         <module>providers/gson</module>
         <module>providers/hocon</module>
@@ -73,22 +78,21 @@
 
     <repositories>
 
-        <repository>
-            <id>carm-repo</id>
-            <name>Carm's Repo</name>
-            <url>https://repo.carm.cc/repository/maven-public/</url>
-        </repository>
-
-        <repository>
-            <id>nexus</id>
-            <url>https://mvn.lumine.io/repository/maven-public/</url>
-        </repository>
-
         <repository>
             <id>central</id>
             <url>https://repo1.maven.org/maven2/</url>
         </repository>
 
+        <repository>
+            <id>sonatype</id>
+            <url>https://s01.oss.sonatype.org/content/groups/public/</url>
+        </repository>
+
+        <repository>
+            <id>jitpack.io</id>
+            <url>https://jitpack.io</url>
+        </repository>
+
     </repositories>
 
     <distributionManagement>
@@ -125,7 +129,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.5.2</version>
+                <version>3.5.3</version>
                 <configuration>
                     <useSystemClassLoader>false</useSystemClassLoader>
                 </configuration>
@@ -165,7 +169,6 @@
 
         <pluginManagement>
             <plugins>
-
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>
@@ -275,11 +278,14 @@
                     <plugin>
                         <groupId>org.sonatype.central</groupId>
                         <artifactId>central-publishing-maven-plugin</artifactId>
-                        <version>0.7.0</version>
+                        <version>0.8.0</version>
                         <extensions>true</extensions>
                         <configuration>
                             <publishingServerId>central</publishingServerId>
                             <autoPublish>true</autoPublish>
+                            <excludeArtifacts>
+                                <excludeArtifact>configured-demo</excludeArtifact>
+                            </excludeArtifacts>
                         </configuration>
                     </plugin>
                 </plugins>

providers/gson/README.md

@@ -1,8 +1,24 @@
 # configured-JSON
 
-JSON file-based implementation, compatible with all Java environments.
+JSON
+file-based
+implementation,
+compatible
+with
+all
+Java
+environments.
 
-**Remember that JSON does not support file comments.**
+*
+*Remember
+that
+JSON
+does
+not
+support
+file
+comments.
+**
 
 ## Dependencies
 

providers/gson/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.1.0</version>
+        <version>4.1.7</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
@@ -41,17 +41,10 @@
             <scope>compile</scope>
         </dependency>
 
-        <dependency>
-            <groupId>${project.parent.groupId}</groupId>
-            <artifactId>configured-demo</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.12.1</version>
+            <version>2.13.1</version>
             <scope>compile</scope>
         </dependency>