chore: Fixed the param errors.

BREAKING CHANGE: `ValueManifest` and `ConfigValue` added a new type "UNIT" to mark the minimal unit value of this instance.

link #132

.doc/JAVADOC-README.md

@@ -1,9 +1,3 @@
-# EasyConfiguration Javadoc
+# configured Javadoc
 
-基于 [Github Pages](https://pages.github.com/) 搭建，请访问 [JavaDoc](https://carmjos.github.io/EasyConfiguration) 。
+Based on [Github Pages](https://pages.github.com/), please see [JavaDoc](https://carmjos.github.io/configured) 。
-
-## 如何实现？
-
-若您也想通过 [Github Actions](https://docs.github.com/en/actions/learn-github-actions)
-自动部署项目的Javadoc到 [Github Pages](https://pages.github.com/) ，
-可以参考我的文章 [《自动部署Javadoc到Github Pages》](https://pages.carm.cc/doc/javadoc-in-github.html) 。

.doc/README.md

@@ -1,16 +1 @@
-# 欢迎使用 EasyConfiguration ！
+# Documentation
-
-这个项目刚刚创建，详细的Javadoc与开发指南还在补充，请给我一点时间~
-
-
-## 基本定义
-
-Value: 实际配置的单例值。
-
-Manifest: 用于描述值基本配置的对象。
-
-Provider: 用于提供配置文件的接口。
-
-Wrapper: 用于包装配置文件的接口。
-
-Initializer: 用于初始化的接口

.github/workflows/deploy.yml

@@ -47,7 +47,7 @@ jobs:
         id: sitemap
         uses: cicirello/generate-sitemap@v1
         with:
-          base-url-path: https://CarmJos.github.io/EasyConfiguration
+          base-url-path: https://CarmJos.github.io/configured
           path-to-root: docs
 
       - name: "Output stats"
@@ -72,7 +72,7 @@ jobs:
         run: |
           cd docs
           git init
-          git remote add origin git@github.com:CarmJos/EasyConfiguration.git
+          git remote add origin git@github.com:CarmJos/configured.git
           git checkout -b gh-pages
           git add -A
           git commit -m "API Document generated."

LICENSE

@@ -1,6 +1,7 @@
                    GNU LESSER GENERAL PUBLIC LICENSE
                        Version 3, 29 June 2007
 
+
  Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.

README.md

@@ -1,26 +1,24 @@
-```text
+<div align=center>
-   ____                _____          ____                    __  _
+<img src=".doc/images/banner.png"  alt="Banner"/>
-  / __/__ ____ __ __  / ___/__  ___  / _(_)__ ___ _________ _/ /_(_)__  ___
+
- / _// _ `(_-</ // / / /__/ _ \/ _ \/ _/ / _ `/ // / __/ _ `/ __/ / _ \/ _ \
+[![version](https://img.shields.io/github/v/release/CarmJos/configured)](https://github.com/CarmJos/configured/releases)
-/___/\_,_/___/\_, /  \___/\___/_//_/_//_/\_, /\_,_/_/  \_,_/\__/_/\___/_//_/
+[![License](https://img.shields.io/github/license/CarmJos/configured)](https://www.gnu.org/licenses/lgpl-3.0.html)
-             /___/                      /___/
+[![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>
 
-# EasyConfiguration
+# configured (config-framework)
 
-[![version](https://img.shields.io/github/v/release/CarmJos/EasyConfiguration)](https://github.com/CarmJos/EasyConfiguration/releases)
+_**"Once set, Simple get."**_ 
-[![License](https://img.shields.io/github/license/CarmJos/EasyConfiguration)](https://www.gnu.org/licenses/lgpl-3.0.html)
-[![workflow](https://github.com/CarmJos/EasyConfiguration/actions/workflows/maven.yml/badge.svg?branch=master)](https://github.com/CarmJos/EasyConfiguration/actions/workflows/maven.yml)
-[![CodeFactor](https://www.codefactor.io/repository/github/carmjos/easyconfiguration/badge)](https://www.codefactor.io/repository/github/carmjos/easyconfiguration)
-![CodeSize](https://img.shields.io/github/languages/code-size/CarmJos/EasyConfiguration)
-![](https://visitor-badge.glitch.me/badge?page_id=EasyConfiguration.readme)
 
-**Easy _(to make)_ Configurations!**
+A simple, easy-to-use and universal solution for managing, loading, reading, 
+and updating configuration files. 
 
-A simple, easy-to-use and universal solution for managing configuration files.
+Supported **JSON**, **YAML**, **Hocon**, **TOML**, **SQL**, **MongoDB**... and much more!
-Enjoy the ease of use with customizable formats for loading, reading, and updating your configuration files.
 
 ## Features & Advantages
 
@@ -35,13 +33,14 @@ format.
 
 ## Development
 
-For the latest JavaDoc release, [CLICK HERE](https://CarmJos.github.io/EasyConfiguration).
+For the latest JavaDoc release, [CLICK HERE](https://CarmJos.github.io/configured).
 
 For a detailed development guide, [CLICK HERE](.doc/README.md).
 
 ### Code Samples
 
 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)
 
@@ -49,6 +48,7 @@ Check out all code demonstrations [HERE](demo/src/main/java/cc/carm/lib/configur
 For more examples, see the [Development Guide](.doc/README.md).
 
 ```java
+
 @ConfigPath(root = true)
 @HeaderComments("Configurations for sample")
 public interface SampleConfig extends Configuration {
@@ -95,9 +95,9 @@ public class Sample {
         // 2. Initialize the configuration classes or instances.
         holder.initialize(SampleConfig.class);
         // 3. Enjoy using the configuration!
-    System.out.println("Enabled? -> " + SampleConfig.ENABLED.resolve());
+        System.out.println("Enabled? -> " + SampleConfig.ENABLED.resolve()); // true
         SampleConfig.ENABLED.set(false);
-    System.out.println("And now? -> " + SampleConfig.ENABLED.resolve());
+        System.out.println("And now? -> " + SampleConfig.ENABLED.resolve()); // false
         // p.s. Changes not save so enable value will still be true in the next run.
 
         System.out.println("Your name is " + SampleConfig.INFO.NAME.resolve() + " (age=" + SampleConfig.INFO.AGE.resolve() + ")!");
@@ -148,9 +148,9 @@ info:
 
         <repository>
             <!-- Using GitHub dependencies for real-time updates, configuration required (recommended). -->
-            <id>EasyConfiguration</id>
+            <id>configured</id>
             <name>GitHub Packages</name>
-            <url>https://maven.pkg.github.com/CarmJos/EasyConfiguration</url>
+            <url>https://maven.pkg.github.com/CarmJos/configured</url>
         </repository>
 
     </repositories>
@@ -169,7 +169,7 @@ info:
         <!-- Basic implementation part, requiring custom implementation of “Provider” and “Wrapper”. -->
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
@@ -177,7 +177,7 @@ info:
         <!-- YAML file-based implementation, compatible with all Java environments. -->
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-yaml</artifactId>
+            <artifactId>configured-yaml</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
@@ -185,7 +185,7 @@ info:
         <!-- JSON file-based implementation, compatible with all Java environments. -->
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-gson</artifactId>
+            <artifactId>configured-gson</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
@@ -208,7 +208,7 @@ repositories {
     mavenCentral()
 
     // Using GitHub dependencies for real-time updates, configuration required (recommended).
-    maven { url 'https://maven.pkg.github.com/CarmJos/EasyConfiguration' }
+    maven { url 'https://maven.pkg.github.com/CarmJos/configured' }
 
 }
 ```
@@ -223,13 +223,13 @@ repositories {
 dependencies {
 
     // Basic implementation part, requiring custom implementation of “Provider” and “Wrapper”.
-    api "cc.carm.lib:easyconfiguration-core:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-core:[LATEST RELEASE]"
 
     // YAML file-based implementation, compatible with all Java environments.
-    api "cc.carm.lib:easyconfiguration-yaml:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-yaml:[LATEST RELEASE]"
 
     // JSON file-based implementation, compatible with all Java environments.
-    api "cc.carm.lib:easyconfiguration-gson:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-gson:[LATEST RELEASE]"
 
 }
 ```
@@ -240,7 +240,7 @@ dependencies {
 
 ### [**MineConfiguration**](https://github.com/CarmJos/MineConfiguration) (by @CarmJos)
 
-EasyConfiguration for MineCraft!
+configured for MineCraft!
 Easily manage configurations on MineCraft-related server platforms.
 
 Currently, it supports BungeeCord, Velocity, Bukkit (Spigot) servers,
@@ -254,7 +254,7 @@ Thank you for supporting open-source projects!
 
 Many thanks to Jetbrains for kindly providing a license for us to work on this and other open-source projects.
 
-[![](https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg)](https://www.jetbrains.com/?from=https://github.com/CarmJos/EasyConfiguration)
+[![](https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg)](https://www.jetbrains.com/?from=https://github.com/CarmJos/configured)
 
 Many thanks to [ArtformGames](https://github.com/ArtformGames) for their
 strong support and active contribution to this project!

README_CN.md

@@ -1,29 +1,26 @@
-```text
+<div align=center>
-   ____                _____          ____                    __  _
+<img src=".doc/images/banner.png"  alt="Banner"/>
-  / __/__ ____ __ __  / ___/__  ___  / _(_)__ ___ _________ _/ /_(_)__  ___
+
- / _// _ `(_-</ // / / /__/ _ \/ _ \/ _/ / _ `/ // / __/ _ `/ __/ / _ \/ _ \
+[![version](https://img.shields.io/github/v/release/CarmJos/configured)](https://github.com/CarmJos/configured/releases)
-/___/\_,_/___/\_, /  \___/\___/_//_/_//_/\_, /\_,_/_/  \_,_/\__/_/\___/_//_/
+[![License](https://img.shields.io/github/license/CarmJos/configured)](https://www.gnu.org/licenses/lgpl-3.0.html)
-             /___/                      /___/
+[![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)  ]
 
-# EasyConfiguration
+</div>
 
-[![version](https://img.shields.io/github/v/release/CarmJos/EasyConfiguration)](https://github.com/CarmJos/EasyConfiguration/releases)
+# configured (config-framework)
-[![License](https://img.shields.io/github/license/CarmJos/EasyConfiguration)](https://www.gnu.org/licenses/lgpl-3.0.html)
-[![workflow](https://github.com/CarmJos/EasyConfiguration/actions/workflows/maven.yml/badge.svg?branch=master)](https://github.com/CarmJos/EasyConfiguration/actions/workflows/maven.yml)
-[![CodeFactor](https://www.codefactor.io/repository/github/carmjos/easyconfiguration/badge)](https://www.codefactor.io/repository/github/carmjos/easyconfiguration)
-![CodeSize](https://img.shields.io/github/languages/code-size/CarmJos/EasyConfiguration)
-![](https://visitor-badge.glitch.me/badge?page_id=EasyConfiguration.readme)
 
-**轻松(做)配置！**
+**一次配置，轻松读取！**
 
 一款简单便捷的通用配置文件加载、读取与更新工具，可自定义配置的格式。
 
 ## 特性 & 优势
 
-支持 [YAML](impl/yaml), [JSON](impl/json), [HOCON](impl/hocon) 和 [SQL](impl/sql) 等多种配置文件格式。
+支持 [YAML](providers/yaml), [JSON](providers/gson), [HOCON](providers/hocon) 和 [SQL](providers/sql) 等多种配置文件格式。
 
 - 基于类的配置文件初始化、加载、获取与更新机制，方便快捷。
 - 支持复杂配置的手动序列化、反序列化。
@@ -33,7 +30,7 @@ README LANGUAGES [ [English](README.md) | [**中文**](README_CN.md)  ]
 ## 开发
 
 详细开发介绍请 [点击这里](.doc/README.md) , JavaDoc(最新Release)
-请 [点击这里](https://CarmJos.github.io/EasyConfiguration) 。
+请 [点击这里](https://CarmJos.github.io/configured) 。
 
 ### 示例代码
 
@@ -142,9 +139,9 @@ info:
 
         <repository>
             <!--采用github依赖库，实时更新，但需要配置 (推荐) -->
-            <id>EasyConfiguration</id>
+            <id>configured</id>
             <name>GitHub Packages</name>
-            <url>https://maven.pkg.github.com/CarmJos/EasyConfiguration</url>
+            <url>https://maven.pkg.github.com/CarmJos/configured</url>
         </repository>
 
         <repository>
@@ -170,7 +167,7 @@ info:
         <!--基础实现部分，需要自行实现“Provider”与“Wrapper”。-->
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
@@ -178,7 +175,7 @@ info:
         <!--基于YAML文件的实现版本，可用于全部Java环境。-->
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-yaml</artifactId>
+            <artifactId>configured-yaml</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
@@ -187,21 +184,21 @@ info:
         <!--需要注意的是，JSON不支持文件注释。-->
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-gson</artifactId>
+            <artifactId>configured-gson</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-hocon</artifactId>
+            <artifactId>configured-hocon</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-sql</artifactId>
+            <artifactId>configured-sql</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
@@ -224,7 +221,7 @@ repositories {
     mavenCentral()
 
     // 采用github依赖库，实时更新，但需要配置 (推荐)
-    maven { url 'https://maven.pkg.github.com/CarmJos/EasyConfiguration' }
+    maven { url 'https://maven.pkg.github.com/CarmJos/configured' }
 
     // 采用我的私人依赖库，简单方便，但可能因为变故而无法使用
     maven { url 'https://repo.carm.cc/repository/maven-public/' }
@@ -241,18 +238,18 @@ repositories {
 dependencies {
 
     //基础实现部分，需要自行实现“Provider”与“Wrapper”。
-    api "cc.carm.lib:easyconfiguration-core:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-core:[LATEST RELEASE]"
 
     //基于YAML文件的实现版本，可用于全部Java环境。
-    api "cc.carm.lib:easyconfiguration-yaml:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-yaml:[LATEST RELEASE]"
 
     //基于JSON文件的实现版本，可用于全部Java环境。
     //需要注意的是，JSON不支持文件注释。
-    api "cc.carm.lib:easyconfiguration-gson:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-gson:[LATEST RELEASE]"
 
-    api "cc.carm.lib:easyconfiguration-hocon:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-hocon:[LATEST RELEASE]"
 
-    api "cc.carm.lib:easyconfiguration-sql:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-sql:[LATEST RELEASE]"
 
 }
 ```
@@ -263,7 +260,7 @@ dependencies {
 
 ### [**MineConfiguration**](https://github.com/CarmJos/MineConfiguration) (by @CarmJos )
 
-EasyConfiguration for MineCraft!
+configured for MineCraft!
 开始在 MineCraft 相关服务器平台上轻松(做)配置吧！
 
 目前支持 BungeeCord, Bukkit(Spigot) 服务端，后续将支持更多平台。
@@ -276,7 +273,7 @@ EasyConfiguration for MineCraft!
 
 万分感谢 Jetbrains 为我们提供了从事此项目和其他开源项目的许可！
 
-[![](https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg)](https://www.jetbrains.com/?from=https://github.com/CarmJos/EasyConfiguration)
+[![](https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg)](https://www.jetbrains.com/?from=https://github.com/CarmJos/configured)
 
 万分感谢来自 [ArtformGames](https://github.com/ArtformGames) 对本项目的大力支持与积极贡献！
 

core/pom.xml

@@ -3,9 +3,9 @@
          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">
     <parent>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.0.10</version>
+        <version>4.1.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <properties>
@@ -15,7 +15,7 @@
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
     </properties>
 
-    <artifactId>easyconfiguration-core</artifactId>
+    <artifactId>configured-core</artifactId>
     <packaging>jar</packaging>
 
     <build>

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 +54,17 @@ 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

@@ -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) {

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/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

@@ -1,21 +1,26 @@
 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;
 import cc.carm.lib.configuration.value.ConfigValue;
 import cc.carm.lib.configuration.value.ValueManifest;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.NotNullByDefault;
 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;
 
+@NotNullByDefault
 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 +29,7 @@ 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 +43,121 @@ 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;
@@ -14,47 +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) -> {
+        return serialize((p, value) -> serializer.handle(value));
-            return 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);
@@ -62,7 +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/ConfigMapCreator.java

@@ -3,10 +3,7 @@ package cc.carm.lib.configuration.builder.map;
 import cc.carm.lib.configuration.adapter.ValueType;
 import org.jetbrains.annotations.NotNull;
 
-import java.util.HashMap;
+import java.util.*;
-import java.util.LinkedHashMap;
-import java.util.Map;
-import java.util.TreeMap;
 import java.util.function.Supplier;
 
 public class ConfigMapCreator<K, V> {
@@ -45,4 +42,8 @@ public class ConfigMapCreator<K, V> {
         return constructor(TreeMap::new);
     }
 
+    public @NotNull ConfigMapBuilder<TreeMap<K, V>, K, V> asTreeMap(@NotNull Comparator<? super K> comparator) {
+        return constructor(() -> new TreeMap<>(comparator));
+    }
+
 }

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;
 
@@ -75,6 +72,10 @@ public class SectionMapBuilder<MAP extends Map<K, V>, K, V>
         });
     }
 
+    public @NotNull SectionMapBuilder<MAP, K, V> defaults(@NotNull K key, @NotNull V value) {
+        return defaults(map -> map.put(key, value));
+    }
+
     public @NotNull ValueAdapter<K> buildKeyAdapter() {
         return new ValueAdapter<>(this.keyType)
                 .parser((holder, type, data) -> {

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;
 
@@ -53,6 +50,10 @@ public class SourceMapBuilder<MAP extends Map<K, V>, SOURCE, K, V>
         });
     }
 
+    public @NotNull SourceMapBuilder<MAP, SOURCE, K, V> defaults(@NotNull K key, @NotNull V value) {
+        return defaults(map -> map.put(key, value));
+    }
+
     public @NotNull SourceMapBuilder<MAP, SOURCE, K, V> parseKey(@NotNull DataFunction<String, K> keyParser) {
         return parseKey((holder, data) -> keyParser.handle(data));
     }

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/ValueSupplier.java

@@ -0,0 +1,7 @@
+package cc.carm.lib.configuration.function;
+
+public interface ValueSupplier {
+
+
+
+}

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;
@@ -31,14 +32,25 @@ 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();
@@ -86,7 +98,7 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
 
     @NotNull
     @UnmodifiableView
-    public Map<String, ConfigValue<?>> registeredValues() {
+    public Map<String, ConfigValue<?, ?>> registeredValues() {
         return extractMetadata(StandardMeta.VALUE);
     }
 
@@ -117,7 +129,7 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
         try {
             initializer.initialize(this, configClass);
         } catch (Exception e) {
-            e.printStackTrace();
+            throwing(configClass.getName(), e);
         }
     }
 
@@ -125,12 +137,20 @@ 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/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() {
@@ -105,12 +134,12 @@ public class ValueManifest<T> {
         return holder().config();
     }
 
-    public ConfigurationMetaHolder metadata() {
+    public @NotNull ConfigurationMetaHolder metadata() {
         return holder().metadata(path());
     }
 
     @ApiStatus.Internal
-    protected Object getData() {
+    protected @Nullable Object getData() {
         return config().get(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);
         }
 
     }

demo/pom.xml

@@ -3,9 +3,9 @@
          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">
     <parent>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.0.10</version>
+        <version>4.1.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <properties>
@@ -13,36 +13,38 @@
         <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>easyconfiguration-demo</artifactId>
+    <artifactId>configured-demo</artifactId>
     <packaging>jar</packaging>
 
     <dependencies>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-commentable</artifactId>
+            <artifactId>configured-feature-commentable</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-versioned</artifactId>
+            <artifactId>configured-feature-versioned</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
+
         <dependency>
-            <groupId>cc.carm.lib</groupId>
+            <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-versioned</artifactId>
+            <artifactId>configured-feature-validators</artifactId>
-            <version>4.0.8</version>
+            <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 

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/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;
@@ -20,21 +19,21 @@ import java.util.UUID;
         "------------------------------------------------",
         "此处内容将显示在配置文件的最下方",
         "可用于显示版权信息等",
-        "感谢您使用 https://github.com/CarmJos/EasyConfiguration !"
+        "感谢您使用 https://github.com/CarmJos/configured !"
 })
 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/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();

features/commentable/pom.xml

@@ -5,8 +5,8 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>cc.carm.lib</groupId>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
-        <version>4.0.10</version>
+        <version>4.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -16,13 +16,13 @@
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
     </properties>
 
-    <artifactId>easyconfiguration-feature-commentable</artifactId>
+    <artifactId>configured-feature-commentable</artifactId>
     <packaging>jar</packaging>
 
     <dependencies>
         <dependency>
             <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>${project.version}</version>
         </dependency>
     </dependencies>

features/file/pom.xml

@@ -5,8 +5,8 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>cc.carm.lib</groupId>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
-        <version>4.0.10</version>
+        <version>4.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -16,13 +16,13 @@
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
     </properties>
 
-    <artifactId>easyconfiguration-feature-file</artifactId>
+    <artifactId>configured-feature-file</artifactId>
     <packaging>jar</packaging>
 
     <dependencies>
         <dependency>
             <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>${project.version}</version>
         </dependency>
     </dependencies>

features/section/pom.xml

@@ -5,8 +5,8 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>cc.carm.lib</groupId>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
-        <version>4.0.10</version>
+        <version>4.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -16,13 +16,13 @@
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
     </properties>
 
-    <artifactId>easyconfiguration-feature-section</artifactId>
+    <artifactId>configured-feature-section</artifactId>
     <packaging>jar</packaging>
 
     <dependencies>
         <dependency>
             <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>${project.version}</version>
         </dependency>
     </dependencies>

features/text/pom.xml

@@ -5,8 +5,8 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>cc.carm.lib</groupId>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
-        <version>4.0.10</version>
+        <version>4.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -16,20 +16,20 @@
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
     </properties>
 
-    <artifactId>easyconfiguration-feature-text</artifactId>
+    <artifactId>configured-feature-text</artifactId>
     <packaging>jar</packaging>
 
     <dependencies>
 
         <dependency>
             <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>${project.version}</version>
         </dependency>
 
         <dependency>
             <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-yaml</artifactId>
+            <artifactId>configured-gson</artifactId>
             <version>${project.version}</version>
             <scope>test</scope>
         </dependency>

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

@@ -22,7 +22,7 @@ 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 +38,7 @@ 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,
@@ -121,7 +121,7 @@ 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

@@ -16,11 +16,12 @@ import java.util.stream.IntStream;
 public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEIVER, SELF>> {
 
     /**
-     * Used to match the message insertion
+     * 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>
@@ -30,6 +31,21 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
     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;
@@ -45,7 +61,7 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
     /**
      * Used to store the insertion of the message
      */
-    protected @NotNull Map<String, Function<RECEIVER, List<String>>> insertion = new HashMap<>();
+    protected @NotNull Map<String, @Nullable Function<RECEIVER, List<String>>> insertion = new HashMap<>();
     protected boolean disableInsertion = false;
 
     public abstract SELF self();
@@ -139,6 +155,17 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
         return self();
     }
 
+    /**
+     * Insert the specific contents by the id.
+     *
+     * @param id the id of the insertion text
+     * @return the current {@link ContentHandler} instance
+     */
+    public SELF insert(@NotNull String id) {
+        this.insertion.put(id, null);
+        return self();
+    }
+
     /**
      * Insert the specific contents by the id.
      *
@@ -205,17 +232,31 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
         }
 
         for (String line : contents.lines()) {
-            Matcher matcher = INSERT_PATTERN.matcher(line);
+            Matcher insertMatcher = INSERT_PATTERN.matcher(line);
-            if (!matcher.matches()) {
+            if (insertMatcher.matches()) {
-                lineConsumer.accept(parse(receiver, line));
+                doInsert(insertMatcher, receiver, lineConsumer);
                 continue;
             }
 
+            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()) continue;
+        if (values == null || values.isEmpty()) return; // No values to insert
 
         String prefix = matcher.group("prefix");
         String type = matcher.group("type");
@@ -234,7 +275,6 @@ public abstract class ContentHandler<RECEIVER, SELF extends ContentHandler<RECEI
         }
         IntStream.range(0, Math.max(0, offsetDown)).mapToObj(i -> "").forEach(lineConsumer);
     }
-    }
 
     public static String setPlaceholders(@NotNull String messages,
                                          @NotNull Map<String, Object> placeholders) {

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

@@ -2,10 +2,12 @@ package cc.carm.lib.configuration.value.text.tests;
 
 
 import cc.carm.lib.configuration.source.ConfigurationHolder;
-import cc.carm.lib.configuration.source.yaml.YAMLConfigFactory;
+import cc.carm.lib.configuration.source.json.JSONConfigFactory;
 import cc.carm.lib.configuration.value.text.tests.conf.AppMessages;
 import org.junit.Test;
 
+import java.io.File;
+
 public class ConfigTest {
 
 
@@ -19,7 +21,7 @@ public class ConfigTest {
     @Test
     public void test() {
 
-        ConfigurationHolder<?> holder = YAMLConfigFactory.from("target/messages.yml").build();
+        ConfigurationHolder<?> holder = JSONConfigFactory.from(new File("target/messages.json")).build();
 
         holder.initialize(AppMessages.class);
 

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

@@ -20,7 +20,9 @@ public class ParseTest {
         lines.add("#guidance#");
         lines.add("{- }#websites#{0,1}");
         lines.add("Thanks for your reading!");
-
+        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:"));
@@ -35,6 +37,7 @@ public class ParseTest {
 
         msg.placeholder("name", "Carm")
                 .insert("guidance")
+                .insert("click")
                 .insert("websites", "Baidu", "Bilibili", "Google");
 
         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>4.1.1</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

@@ -5,8 +5,8 @@
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>cc.carm.lib</groupId>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
-        <version>4.0.10</version>
+        <version>4.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -16,13 +16,13 @@
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
     </properties>
 
-    <artifactId>easyconfiguration-feature-versioned</artifactId>
+    <artifactId>configured-feature-versioned</artifactId>
     <packaging>jar</packaging>
 
     <dependencies>
         <dependency>
             <groupId>${project.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>${project.version}</version>
         </dependency>
     </dependencies>

pom.xml

@@ -13,29 +13,30 @@
     </properties>
 
     <groupId>cc.carm.lib</groupId>
-    <artifactId>easyconfiguration-parent</artifactId>
+    <artifactId>configured-parent</artifactId>
     <packaging>pom</packaging>
-    <version>4.0.10</version>
+    <version>4.1.1</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>providers/yaml</module>
         <module>providers/gson</module>
-        <!--        <module>providers/hocon</module>-->
+        <module>providers/hocon</module>
         <module>providers/sql</module>
         <module>providers/mongodb</module>
 
         <module>demo</module>
     </modules>
 
-    <name>EasyConfiguration</name>
+    <name>configured</name>
     <description>A simple, easy-to-use and universal solution for managing configuration files.</description>
-    <url>https://github.com/CarmJos/EasyConfiguration</url>
+    <url>https://github.com/CarmJos/configured</url>
 
     <developers>
         <developer>
@@ -48,9 +49,9 @@
     </developers>
 
     <scm>
-        <connection>scm:git:git@github.com:CarmJos/Easy.EasyConfiguration</connection>
+        <connection>scm:git:git@github.com:CarmJos/Easy.configured</connection>
-        <developerConnection>scm:git:git@github.com:CarmJos/EasyConfiguration.git</developerConnection>
+        <developerConnection>scm:git:git@github.com:CarmJos/configured.git</developerConnection>
-        <url>https://github.com/CarmJos/EasyConfiguration</url>
+        <url>https://github.com/CarmJos/configured</url>
         <tag>HEAD</tag>
     </scm>
 
@@ -63,12 +64,12 @@
 
     <issueManagement>
         <system>GitHub Issues</system>
-        <url>https://github.com/CarmJos/EasyConfiguration/issues</url>
+        <url>https://github.com/CarmJos/configured/issues</url>
     </issueManagement>
 
     <ciManagement>
         <system>GitHub Actions</system>
-        <url>https://github.com/CarmJos/EasyConfiguration/actions/workflows/maven.yml</url>
+        <url>https://github.com/CarmJos/configured/actions/workflows/maven.yml</url>
     </ciManagement>
 
     <repositories>
@@ -92,11 +93,11 @@
     </repositories>
 
     <distributionManagement>
-        <downloadUrl>https://github.com/CarmJos/EasyConfiguration/releases</downloadUrl>
+        <downloadUrl>https://github.com/CarmJos/configured/releases</downloadUrl>
         <site>
             <id>javadoc</id>
-            <name>EasyConfiguration JavaDoc (on GitHub Pages)</name>
+            <name>configured JavaDoc (on GitHub Pages)</name>
-            <url>https://CarmJos.github.io/EasyConfiguration</url>
+            <url>https://CarmJos.github.io/configured</url>
         </site>
     </distributionManagement>
 
@@ -292,7 +293,7 @@
                 <repository>
                     <id>github</id>
                     <name>GitHub Packages</name>
-                    <url>https://maven.pkg.github.com/CarmJos/EasyConfiguration</url>
+                    <url>https://maven.pkg.github.com/CarmJos/configured</url>
                 </repository>
             </distributionManagement>
         </profile>

providers/gson/README.md

@@ -1,4 +1,4 @@
-# EasyConfiguration-JSON
+# configured-JSON
 
 JSON file-based implementation, compatible with all Java environments.
 
@@ -22,9 +22,9 @@ JSON file-based implementation, compatible with all Java environments.
 
         <repository>
             <!-- Using GitHub dependencies for real-time updates, configuration required (recommended). -->
-            <id>EasyConfiguration</id>
+            <id>configured</id>
             <name>GitHub Packages</name>
-            <url>https://maven.pkg.github.com/CarmJos/EasyConfiguration</url>
+            <url>https://maven.pkg.github.com/CarmJos/configured</url>
         </repository>
 
     </repositories>
@@ -37,7 +37,7 @@ JSON file-based implementation, compatible with all Java environments.
     <dependencies>
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-json</artifactId>
+            <artifactId>configured-json</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
@@ -54,14 +54,14 @@ repositories {
     mavenCentral()
 
     // Using GitHub dependencies for real-time updates, configuration required (recommended).
-    maven { url 'https://maven.pkg.github.com/CarmJos/EasyConfiguration' }
+    maven { url 'https://maven.pkg.github.com/CarmJos/configured' }
 
 }
 ```
 
 ```groovy
 dependencies {
-    api "cc.carm.lib:easyconfiguration-json:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-json:[LATEST RELEASE]"
 }
 ```
 

providers/gson/pom.xml

@@ -3,9 +3,9 @@
          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">
     <parent>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.0.10</version>
+        <version>4.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
@@ -15,35 +15,35 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
     </properties>
-    <artifactId>easyconfiguration-gson</artifactId>
+    <artifactId>configured-gson</artifactId>
     <packaging>jar</packaging>
 
     <dependencies>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-file</artifactId>
+            <artifactId>configured-feature-file</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-section</artifactId>
+            <artifactId>configured-feature-section</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-demo</artifactId>
+            <artifactId>configured-demo</artifactId>
             <version>${project.parent.version}</version>
             <scope>test</scope>
         </dependency>

providers/gson/src/test/java/config/JSONConfigTest.java

@@ -1,10 +1,8 @@
 package config;
 
 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;
@@ -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);
 

providers/hocon/README.md

@@ -1,4 +1,4 @@
-# EasyConfiguration-HOCON
+# configured-HOCON
 
 HOCON file-based implementation, compatible with all Java environments.
 
@@ -20,9 +20,9 @@ HOCON file-based implementation, compatible with all Java environments.
 
         <repository>
             <!-- Using GitHub dependencies for real-time updates, configuration required (recommended). -->
-            <id>EasyConfiguration</id>
+            <id>configured</id>
             <name>GitHub Packages</name>
-            <url>https://maven.pkg.github.com/CarmJos/EasyConfiguration</url>
+            <url>https://maven.pkg.github.com/CarmJos/configured</url>
         </repository>
 
     </repositories>
@@ -35,7 +35,7 @@ HOCON file-based implementation, compatible with all Java environments.
     <dependencies>
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-hocon</artifactId>
+            <artifactId>configured-hocon</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
@@ -52,14 +52,14 @@ repositories {
     mavenCentral()
 
     // Using GitHub dependencies for real-time updates, configuration required (recommended).
-    maven { url 'https://maven.pkg.github.com/CarmJos/EasyConfiguration' }
+    maven { url 'https://maven.pkg.github.com/CarmJos/configured' }
 
 }
 ```
 
 ```groovy
 dependencies {
-    api "cc.carm.lib:easyconfiguration-hocon:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-hocon:[LATEST RELEASE]"
 }
 ```
 

providers/hocon/pom.xml

@@ -1,12 +1,12 @@
 <?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">
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <groupId>cc.carm.lib</groupId>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
-        <version>4.0.0</version>
+        <version>4.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -15,38 +15,38 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
     </properties>
-    <artifactId>easyconfiguration-hocon</artifactId>
+    <artifactId>configured-hocon</artifactId>
     <packaging>jar</packaging>
 
     <dependencies>
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-commentable</artifactId>
+            <artifactId>configured-feature-commentable</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-file</artifactId>
+            <artifactId>configured-feature-file</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-section</artifactId>
+            <artifactId>configured-feature-section</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-demo</artifactId>
+            <artifactId>configured-demo</artifactId>
             <version>${project.parent.version}</version>
             <scope>test</scope>
         </dependency>

providers/hocon/src/deprecated/hocon/EasyConfiguration.java

@@ -1,36 +0,0 @@
-package cc.carm.lib.configuration;
-
-import cc.carm.lib.configuration.hocon.HOCONFileConfigProvider;
-
-import java.io.File;
-import java.io.IOException;
-
-public class EasyConfiguration {
-
-    private EasyConfiguration() {
-    }
-
-    public static HOCONFileConfigProvider from(File file, String source) {
-        HOCONFileConfigProvider provider = new HOCONFileConfigProvider(file);
-        try {
-            provider.initializeFile(source);
-            provider.initializeConfig();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        return provider;
-    }
-
-    public static HOCONFileConfigProvider from(File file) {
-        return from(file, file.getName());
-    }
-
-    public static HOCONFileConfigProvider from(String fileName) {
-        return from(fileName, fileName);
-    }
-
-    public static HOCONFileConfigProvider from(String fileName, String source) {
-        return from(new File(fileName), source);
-    }
-
-}

providers/hocon/src/deprecated/hocon/HOCONConfigWrapper.java

@@ -1,116 +0,0 @@
-package cc.carm.lib.configuration.hocon;
-
-import cc.carm.lib.configuration.hocon.util.HOCONUtils;
-import com.typesafe.config.*;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.*;
-
-public class HOCONConfigWrapper implements ConfigurationWrapper<Map<String, Object>> {
-    private static final char SEPARATOR = '.';
-    protected final Map<String, Object> data;
-
-    public HOCONConfigWrapper(ConfigObject config) {
-        this.data = new LinkedHashMap<>();
-
-        config.forEach((key, value) -> {
-            Config cfg = config.toConfig();
-            ConfigValue cv = cfg.getValue(key);
-            if (cv.valueType() == ConfigValueType.OBJECT) {
-                HOCONConfigWrapper.this.data.put(key, new HOCONConfigWrapper((ConfigObject) cv));
-            } else {
-                HOCONConfigWrapper.this.data.put(key, value.unwrapped());
-            }
-        });
-    }
-
-    @Override
-    public @NotNull Map<String, Object> getSource() {
-        return this.data;
-    }
-
-    @Override
-    public @NotNull Set<String> getKeys(boolean deep) {
-        return this.getValues(deep).keySet();
-    }
-
-    @Override
-    public @NotNull Map<String, Object> getValues(boolean deep) {
-        return HOCONUtils.getKeysFromObject(this, deep, "").stream().collect(
-                LinkedHashMap::new,
-                (map, key) -> map.put(key, get(key)),
-                LinkedHashMap::putAll
-        );
-    }
-
-    @Override
-    public void set(@NotNull String path, @Nullable Object value) {
-        if (value instanceof Map) {
-            //noinspection unchecked
-            value = new HOCONConfigWrapper(ConfigFactory.parseMap((Map<String, ?>) value).root());
-        }
-
-        HOCONConfigWrapper section = HOCONUtils.getObjectOn(this, path, SEPARATOR);
-        String simplePath = HOCONUtils.getSimplePath(path, SEPARATOR);
-
-        if (value == null) {
-            section.data.remove(simplePath);
-        } else {
-            section.setDirect(simplePath, value);
-        }
-    }
-
-    /**
-     * 只能设置当前路径下的内容
-     * 避免环回
-     *
-     * @param path 路径
-     */
-    public void setDirect(@NotNull String path, @Nullable Object value) {
-        this.data.put(path, value);
-    }
-
-    @Override
-    public boolean contains(@NotNull String path) {
-        return this.get(path) != null;
-    }
-
-    @Override
-    public @Nullable Object get(@NotNull String path) {
-        HOCONConfigWrapper section = HOCONUtils.getObjectOn(this, path, SEPARATOR);
-        return section.getDirect(HOCONUtils.getSimplePath(path, SEPARATOR));
-    }
-
-    /**
-     * 只能获取当前路径下的内容
-     * 避免环回
-     *
-     * @param path 路径
-     */
-    public Object getDirect(@NotNull String path) {
-        return this.data.get(path);
-    }
-
-    @Override
-    public boolean isList(@NotNull String path) {
-        return this.get(path) instanceof List<?>;
-    }
-
-    @Override
-    public @Nullable List<?> getList(@NotNull String path) {
-        Object val = this.get(path);
-        return (val instanceof List<?>) ? (List<?>) val : null;
-    }
-
-    @Override
-    public boolean isConfigurationSection(@NotNull String path) {
-        return this.get(path) instanceof HOCONConfigWrapper;
-    }
-
-    @Override
-    public @Nullable ConfigurationWrapper<Map<String, Object>> getConfigurationSection(@NotNull String path) {
-        Object val = get(path);
-        return (val instanceof HOCONConfigWrapper) ? (HOCONConfigWrapper) val : null;
-    }
-}

providers/hocon/src/deprecated/hocon/HOCONFileConfigProvider.java

@@ -1,105 +0,0 @@
-package cc.carm.lib.configuration.hocon;
-
-import cc.carm.lib.configuration.source.comment.ConfigurationComments;
-import cc.carm.lib.configuration.core.source.impl.FileConfigProvider;
-import cc.carm.lib.configuration.hocon.exception.HOCONGetValueException;
-import cc.carm.lib.configuration.hocon.util.HOCONUtils;
-import com.typesafe.config.*;
-import org.jetbrains.annotations.Contract;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.io.File;
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.util.List;
-import java.util.Set;
-
-public class HOCONFileConfigProvider extends FileConfigProvider<HOCONConfigWrapper> {
-    protected final @NotNull ConfigurationComments comments = new ConfigurationComments();
-    protected HOCONConfigWrapper configuration;
-    protected ConfigInitializer<HOCONFileConfigProvider> initializer;
-
-    public HOCONFileConfigProvider(@NotNull File file) {
-        super(file);
-        this.initializer = new ConfigInitializer<>(this);
-    }
-
-    public void initializeConfig() {
-        try {
-            this.configuration = new HOCONConfigWrapper(ConfigFactory.parseFile(this.file, ConfigParseOptions.defaults()
-                    .setSyntax(ConfigSyntax.CONF)
-                    .setAllowMissing(false)).root());
-        } catch (ConfigException e) {
-            e.printStackTrace();
-        }
-    }
-
-    @Override
-    public @NotNull HOCONConfigWrapper getConfiguration() {
-        return this.configuration;
-    }
-
-    @Override
-    public void save() throws IOException {
-        Files.write(this.file.toPath(), HOCONUtils.renderWithComment(configuration, comments::getHeaderComment).getBytes(StandardCharsets.UTF_8));
-    }
-
-    @Override
-    protected void onReload() throws ConfigException {
-        ConfigObject conf = ConfigFactory.parseFile(this.file, ConfigParseOptions.defaults()
-                .setSyntax(ConfigSyntax.CONF)
-                .setAllowMissing(false)).root();
-        this.configuration = new HOCONConfigWrapper(conf);
-    }
-
-    @Override
-    public @NotNull ConfigurationComments getComments() {
-        return this.comments;
-    }
-
-    @Override
-    public @NotNull ConfigInitializer<HOCONFileConfigProvider> getInitializer() {
-        return this.initializer;
-    }
-
-    public String serializeValue(@NotNull String key, @NotNull Object value) {
-        // 带有 key=value 的新空对象
-        return ConfigFactory.empty()
-                .withValue(key, ConfigValueFactory.fromAnyRef(value))
-                .root().render();
-    }
-
-    public @NotNull Set<String> getKeys() {
-        return getKeys(null, true);
-    }
-
-    @Contract("null,_->!null")
-    public @Nullable Set<String> getKeys(@Nullable String sectionKey, boolean deep) {
-        if (sectionKey == null) { // 当前路径
-            return HOCONUtils.getKeysFromObject(this.configuration, deep, "");
-        }
-
-        HOCONConfigWrapper section;
-        try {
-            // 获取目标字段所在路径
-            section = (HOCONConfigWrapper) this.configuration.get(sectionKey);
-        } catch (ClassCastException e) {
-            // 值和类型不匹配
-            throw new HOCONGetValueException(e);
-        }
-        if (section == null) {
-            return null;
-        }
-        return HOCONUtils.getKeysFromObject(section, deep, "");
-    }
-
-    public @Nullable Object getValue(@NotNull String key) {
-        return this.configuration.get(key);
-    }
-
-    public @Nullable List<String> getHeaderComments(@Nullable String key) {
-        return this.comments.getHeaderComment(key);
-    }
-}

providers/hocon/src/deprecated/hocon/exception/HOCONGetValueException.java

@@ -1,19 +0,0 @@
-package cc.carm.lib.configuration.hocon.exception;
-
-public class HOCONGetValueException extends RuntimeException {
-    public HOCONGetValueException() {
-        super();
-    }
-
-    public HOCONGetValueException(String message) {
-        super(message);
-    }
-
-    public HOCONGetValueException(String message, Throwable cause) {
-        super(message, cause);
-    }
-
-    public HOCONGetValueException(Throwable cause) {
-        super(cause);
-    }
-}

providers/hocon/src/deprecated/hocon/util/HOCONUtils.java

@@ -1,110 +0,0 @@
-package cc.carm.lib.configuration.hocon.util;
-
-import cc.carm.lib.configuration.hocon.HOCONConfigWrapper;
-import cc.carm.lib.configuration.hocon.exception.HOCONGetValueException;
-import com.typesafe.config.*;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.function.Function;
-
-public class HOCONUtils {
-
-    private HOCONUtils() {
-    }
-
-    public static String getSimplePath(String path, char separator) {
-        int index = path.lastIndexOf(separator);
-        return (index == -1) ? path : path.substring(index + 1);
-    }
-
-    public static HOCONConfigWrapper getObjectOn(@NotNull HOCONConfigWrapper parent, @NotNull String path, char separator) {
-        String currentPath = path;
-        HOCONConfigWrapper currentObject = parent;
-        int index;
-        while ((index = currentPath.indexOf(separator)) != -1) {
-            HOCONConfigWrapper previousObject = currentObject;
-            String pathName = currentPath.substring(0, index);
-            try {
-                currentObject = (HOCONConfigWrapper) previousObject.getDirect(pathName);
-            } catch (ClassCastException e) {
-                throw new HOCONGetValueException(e);
-            }
-            if (currentObject == null) {
-                currentObject = new HOCONConfigWrapper(ConfigFactory.empty().root());
-                previousObject.setDirect(pathName, currentObject);
-            }
-            currentPath = currentPath.substring(index + 1);
-        }
-
-        return currentObject;
-    }
-
-    /**
-     * 在 Object 中获取所有键
-     * 思路：在第一次执行时 prefix 应该是 ""
-     * 后续找到了更深层的键，将会变为 "deep."
-     * 下一次键名就是 "deep.key"
-     *
-     * @param parent Object
-     * @param deep   是否更深层获取
-     * @param prefix 当前 Object 键名前缀
-     * @return Object 中的所有键
-     */
-    public static Set<String> getKeysFromObject(HOCONConfigWrapper parent, boolean deep, String prefix) {
-        return parent.getSource().entrySet().stream().collect(
-                LinkedHashSet::new,
-                (set, entry) -> {
-                    Object value = entry.getValue();
-                    if (value instanceof HOCONConfigWrapper && deep) {
-                        set.addAll(HOCONUtils.getKeysFromObject((HOCONConfigWrapper) value, true, prefix + entry.getKey() + "."));
-                    } else {
-                        set.add(prefix + entry.getKey());
-                    }
-                },
-                LinkedHashSet::addAll
-        );
-    }
-
-    /**
-     * 将 Object 保存为字符串
-     * 并使用注释器打上注释
-     *
-     * @param object    Object
-     * @param commenter 注释器
-     * @return 保存的字符串
-     */
-    public static @NotNull String renderWithComment(@NotNull HOCONConfigWrapper object, @NotNull Function<String, List<String>> commenter) {
-        return HOCONUtils.makeConfigWithComment(object, "", commenter).root().render(
-                ConfigRenderOptions.defaults()
-                        .setJson(false)
-                        .setOriginComments(false)
-        );
-    }
-
-    public static @NotNull Config makeConfigWithComment(@NotNull HOCONConfigWrapper object, @NotNull String prefix, @NotNull Function<String, List<String>> commenter) {
-        Config config = ConfigFactory.empty();
-        for (Map.Entry<String, Object> entry : object.getSource().entrySet()) {
-            String key = entry.getKey();
-            String fullKey = prefix + key;
-            Object value = entry.getValue();
-            ConfigValue result;
-            if (value instanceof Iterable) {
-                result = ConfigValueFactory.fromIterable((Iterable<?>) value);
-            } else if (value instanceof HOCONConfigWrapper) {
-                result = makeConfigWithComment((HOCONConfigWrapper) value, fullKey + ".", commenter).root();
-            } else {
-                result = ConfigValueFactory.fromAnyRef(value);
-            }
-            result = result.withOrigin(
-                    ConfigOriginFactory.newSimple()
-                            .withComments(commenter.apply(fullKey))
-            );
-            config = config.withValue(key, result);
-        }
-        return config;
-    }
-}

providers/hocon/src/main/java/cc/carm/lib/configuration/source/hocon/HOCONConfigFactory.java

@@ -0,0 +1,48 @@
+package cc.carm.lib.configuration.source.hocon;
+
+import cc.carm.lib.configuration.commentable.Commentable;
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import cc.carm.lib.configuration.source.file.FileConfigFactory;
+import org.jetbrains.annotations.NotNull;
+
+import java.io.File;
+
+public class HOCONConfigFactory extends FileConfigFactory<HOCONSource, ConfigurationHolder<HOCONSource>, HOCONConfigFactory> {
+    public static HOCONConfigFactory from(@NotNull String path) {
+        return new HOCONConfigFactory(new File(path));
+    }
+
+    public static HOCONConfigFactory from(@NotNull File file) {
+        return new HOCONConfigFactory(file);
+    }
+
+    public static HOCONConfigFactory from(@NotNull File parent, @NotNull String configName) {
+        return new HOCONConfigFactory(new File(parent, configName));
+    }
+
+    public HOCONConfigFactory(@NotNull File file) {
+        super(file);
+    }
+
+    @Override
+    protected HOCONConfigFactory self() {
+        return this;
+    }
+
+    @Override
+    public @NotNull ConfigurationHolder<HOCONSource> build() {
+        File configFile = this.file;
+        String sourcePath = this.resourcePath;
+
+        Commentable.registerMeta(this.initializer); // Register commentable meta types
+
+        return new ConfigurationHolder<HOCONSource>(this.adapters, this.options, this.metadata, this.initializer) {
+            final @NotNull HOCONSource source = new HOCONSource(this, configFile, sourcePath);
+
+            @Override
+            public @NotNull HOCONSource config() {
+                return this.source;
+            }
+        };
+    }
+}

providers/hocon/src/main/java/cc/carm/lib/configuration/source/hocon/HOCONSection.java

@@ -1,69 +0,0 @@
-package cc.carm.lib.configuration.source.hocon;
-
-import cc.carm.lib.configuration.source.section.ConfigureSection;
-import com.typesafe.config.Config;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-import org.jetbrains.annotations.UnmodifiableView;
-
-import java.util.List;
-import java.util.Map;
-
-public class HOCONSection implements ConfigureSection {
-
-    protected final @NotNull HOCONSource source;
-    protected final @Nullable HOCONSection parent;
-    protected final @NotNull Config data;
-
-    public HOCONSection(@NotNull HOCONSource source, @Nullable HOCONSection parent,
-                        @NotNull Config data) {
-        this.source = source;
-        this.parent = parent;
-        this.data = data;
-    }
-
-    public @NotNull Config data() {
-        return this.data;
-    }
-
-    @Override
-    public @NotNull HOCONSource source() {
-        return this.source;
-    }
-
-    @Override
-    public @Nullable HOCONSection parent() {
-        return this.parent;
-    }
-
-    @Override
-    public @NotNull @UnmodifiableView Map<String, Object> getValues(boolean deep) {
-        return data().root().unwrapped();
-    }
-
-    @Override
-    public void set(@NotNull String path, @Nullable Object value) {
-
-    }
-
-    @Override
-    public boolean contains(@NotNull String path) {
-        return data().hasPath(path);
-    }
-
-    @Override
-    public @Nullable List<?> getList(@NotNull String path) {
-        return data().getAnyRefList(path);
-    }
-
-    @Override
-    public @Nullable HOCONSection getSection(@NotNull String path) {
-        return data().getConfig(path) == null ? null : new HOCONSection(source, this, data().getConfig(path));
-    }
-
-    @Override
-    public @Nullable Object get(@NotNull String path) {
-        return data().getAnyRef(path);
-    }
-
-}

providers/hocon/src/main/java/cc/carm/lib/configuration/source/hocon/HOCONSource.java

@@ -1,44 +1,104 @@
 package cc.carm.lib.configuration.source.hocon;
 
+import cc.carm.lib.configuration.commentable.Commentable;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
-import cc.carm.lib.configuration.source.section.ConfigureSource;
+import cc.carm.lib.configuration.source.file.FileConfigSource;
-import com.typesafe.config.Config;
+import cc.carm.lib.configuration.source.section.SourcedSection;
+import com.typesafe.config.*;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
-import java.util.Objects;
+import java.io.File;
+import java.util.*;
 
-public class HOCONSource extends ConfigureSource<HOCONSection, Config, HOCONSource> {
+public class HOCONSource
+        extends FileConfigSource<SourcedSection, Map<String, Object>, HOCONSource> {
+    protected @Nullable SourcedSection rootSection;
 
+    protected HOCONSource(
+            @NotNull ConfigurationHolder<? extends HOCONSource> holder,
+            @NotNull File file, @Nullable String resourcePath
+    ) {
+        super(holder, 0, file, resourcePath);
 
-    private HOCONSection rootSection;
+        this.initialize();
+    }
 
-    protected HOCONSource(@NotNull ConfigurationHolder<? extends HOCONSource> holder, long lastUpdateMillis) {
+    public void initialize() {
-        super(holder, lastUpdateMillis);
+        try {
+            this.initializeFile();
+            this.onReload();
+        } catch (Exception e) {
+            //noinspection CallToPrintStackTrace
+            e.printStackTrace();
+        }
     }
 
     @Override
-    protected HOCONSource self() {
+    protected @NotNull HOCONSource self() {
         return this;
     }
 
     @Override
-    public @NotNull Config original() {
+    public @NotNull Map<String, Object> original() {
-        return section().data();
+        return this.section().data();
     }
 
     @Override
-    public @NotNull HOCONSection section() {
+    public @NotNull SourcedSection section() {
-        return Objects.requireNonNull(rootSection, "RootSection is not initialized");
+        return Objects.requireNonNull(this.rootSection, "Root section is not initialized.");
+    }
+
+    public @NotNull String saveToString() {
+        // identity: 创建新的空 typesafe config
+        // accumulator: 将 Section 中的信息为 typesafe config 添加并返回
+        // combiner: 合并两个配置文件
+        Config config = this.getValues(true).entrySet().stream().reduce(
+                ConfigFactory.empty(),
+                (cfg, entry) -> {
+                    String key = entry.getKey(); // 源数据 key
+                    Object value = entry.getValue(); // 源数据 value
+
+                    ConfigValue result; // 最终转换为 typesafe 的 ConfigValue 类型
+                    if (value == null || value instanceof Boolean || value instanceof String || value instanceof Number) {
+                        result = ConfigValueFactory.fromAnyRef(value); // 原始数据类型
+                    } else if (value instanceof Iterator) {
+                        result = ConfigValueFactory.fromIterable((Iterable<?>) value);
+                    } else if (value instanceof Map) {
+                        //noinspection unchecked
+                        result = ConfigValueFactory.fromMap((Map<String, ?>) value);
+                    } else {
+                        result = ConfigValueFactory.fromAnyRef(String.valueOf(value));
+                    }
+                    List<String> headerComments = HOCONSource.this.getHeaderComments(key); // 获取其注释
+                    result = result.withOrigin(result.origin().withComments(headerComments)); // 赋予其注释
+                    return cfg.withValue(key, result); // 将其添加到根 config 中
+                },
+                Config::withFallback
+        );
+        return config.root().render(
+                ConfigRenderOptions.defaults()
+                        .setJson(false)
+                        .setOriginComments(false)
+        );
     }
 
     @Override
     public void save() throws Exception {
-
+        this.fileWriter(w -> w.write(HOCONSource.this.saveToString()));
     }
 
     @Override
     protected void onReload() throws Exception {
-
+        this.rootSection = this.fileReadString(this::loadFromString);
     }
 
+    protected @NotNull SourcedSection loadFromString(@NotNull String data) {
+        ConfigObject config = ConfigFactory.parseString(data).root();
+        return SourcedSection.root(this, config.unwrapped());
+    }
+
+    public @Nullable List<String> getHeaderComments(@Nullable String key) {
+        return Commentable.getHeaderComments(holder(), key);
+    }
 }

providers/hocon/src/test/java/online/flowerinsnow/test/easyconfiguration/HOCONTest.java

@@ -1,18 +0,0 @@
-package online.flowerinsnow.test.easyconfiguration;
-
-public class HOCONTest {
-//    @Test
-//    public void onTest() {
-//        HOCONFileConfigProvider provider = EasyConfiguration.from(new File("target/hocon.conf"));
-//
-//        ConfigurationTest.testDemo(provider);
-//        ConfigurationTest.testInner(provider);
-//
-//        try {
-//            provider.save();
-//            provider.reload();
-//        } catch (Exception e) {
-//            e.printStackTrace();
-//        }
-//    }
-}

providers/hocon/src/test/java/sample/SampleConfig.java

@@ -0,0 +1,38 @@
+package sample;
+
+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.standard.ConfiguredList;
+import cc.carm.lib.configuration.value.standard.ConfiguredValue;
+
+import java.util.UUID;
+
+@ConfigPath(root = true)
+@HeaderComments("Configurations for sample")
+public interface SampleConfig extends Configuration {
+    ConfiguredValue<Boolean> ENABLED = ConfiguredValue.of(true);
+
+    @HeaderComments("Server configurations") // Header comment
+    ConfiguredValue<Integer> PORT = ConfiguredValue.of(Integer.class);
+
+    @HeaderComments({"[ UUID >-----------------------------------", "A lot of UUIDs"})
+    ConfiguredList<UUID> UUIDS = ConfiguredList.builderOf(UUID.class).fromString()
+            .parse(UUID::fromString).serialize(UUID::toString)
+            .defaults(
+                    UUID.fromString("00000000-0000-0000-0000-000000000000"),
+                    UUID.fromString("00000000-0000-0000-0000-000000000001")
+            ).build();
+
+    @ConfigPath("info") // Custom path
+    interface INFO extends Configuration {
+
+        @HeaderComments("Configure your name!") // Header comment
+        ConfiguredValue<String> NAME = ConfiguredValue.of("Joker");
+
+        @ConfigPath("how-old-are-you") // Custom path
+        ConfiguredValue<Integer> AGE = ConfiguredValue.of(24);
+
+    }
+
+}

providers/hocon/src/test/java/sample/SampleTest.java

@@ -0,0 +1,27 @@
+package sample;
+
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import cc.carm.lib.configuration.source.hocon.HOCONConfigFactory;
+import org.junit.Test;
+
+public class  SampleTest {
+
+    @Test
+    public void test() {
+        // 1. Make a configuration provider from a file.
+        ConfigurationHolder<?> holder = HOCONConfigFactory.from("target/config.conf")
+                .resourcePath("configs/sample.conf")
+                .build();
+
+        // 2. Initialize the configuration classes or instances.
+        holder.initialize(SampleConfig.class);
+        // 3. Enjoy using the configuration!
+        System.out.println("Enabled? -> " + SampleConfig.ENABLED.resolve());
+        SampleConfig.ENABLED.set(false);
+        System.out.println("And now? -> " + SampleConfig.ENABLED.resolve());
+        // p.s. Changes not save so enable value will still be true in the next run.
+
+        System.out.println("Your name is " + SampleConfig.INFO.NAME.resolve() + " (age=" + SampleConfig.INFO.AGE.resolve() + ")!");
+    }
+
+}

providers/hocon/src/test/resources/configs/sample.conf

@@ -0,0 +1,2 @@
+version = 1.0
+test-save = false

providers/mongodb/pom.xml

@@ -3,9 +3,9 @@
          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">
     <parent>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.0.10</version>
+        <version>4.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
@@ -18,20 +18,20 @@
         <deps.mongodb.version>5.3.1</deps.mongodb.version>
         <log4j.version>2.24.3</log4j.version>
     </properties>
-    <artifactId>easyconfiguration-mongodb</artifactId>
+    <artifactId>configured-mongodb</artifactId>
 
     <dependencies>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-section</artifactId>
+            <artifactId>configured-feature-section</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
@@ -65,14 +65,14 @@
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-demo</artifactId>
+            <artifactId>configured-demo</artifactId>
             <version>${project.parent.version}</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-gson</artifactId>
+            <artifactId>configured-gson</artifactId>
             <version>${project.parent.version}</version>
             <scope>test</scope>
         </dependency>

providers/sql/README.md

@@ -1,4 +1,4 @@
-# EasyConfiguration-SQL
+# configured-SQL
 
 SQL database implementation, support for MySQL or MariaDB.
 
@@ -39,9 +39,9 @@ CREATE TABLE IF NOT EXISTS conf
 
         <repository>
             <!-- Using GitHub dependencies for real-time updates, configuration required (recommended). -->
-            <id>EasyConfiguration</id>
+            <id>configured</id>
             <name>GitHub Packages</name>
-            <url>https://maven.pkg.github.com/CarmJos/EasyConfiguration</url>
+            <url>https://maven.pkg.github.com/CarmJos/configured</url>
         </repository>
 
     </repositories>
@@ -54,7 +54,7 @@ CREATE TABLE IF NOT EXISTS conf
     <dependencies>
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-sql</artifactId>
+            <artifactId>configured-sql</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
@@ -71,13 +71,13 @@ repositories {
     mavenCentral()
 
     // Using GitHub dependencies for real-time updates, configuration required (recommended).
-    maven { url 'https://maven.pkg.github.com/CarmJos/EasyConfiguration' }
+    maven { url 'https://maven.pkg.github.com/CarmJos/configured' }
 
 }
 ```
 
 ```groovy
 dependencies {
-    api "cc.carm.lib:easyconfiguration-sql:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-sql:[LATEST RELEASE]"
 }
 ```

providers/sql/pom.xml

@@ -4,9 +4,9 @@
          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>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.0.10</version>
+        <version>4.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -18,33 +18,33 @@
         <deps.mysql-driver.version>8.0.33</deps.mysql-driver.version>
         <deps.log4j.version>2.24.3</deps.log4j.version>
     </properties>
-    <artifactId>easyconfiguration-sql</artifactId>
+    <artifactId>configured-sql</artifactId>
 
     <dependencies>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-commentable</artifactId>
+            <artifactId>configured-feature-commentable</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-section</artifactId>
+            <artifactId>configured-feature-section</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-versioned</artifactId>
+            <artifactId>configured-feature-versioned</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
@@ -70,7 +70,7 @@
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-demo</artifactId>
+            <artifactId>configured-demo</artifactId>
             <version>${project.parent.version}</version>
             <scope>test</scope>
         </dependency>
@@ -98,7 +98,7 @@
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-gson</artifactId>
+            <artifactId>configured-gson</artifactId>
             <version>${project.parent.version}</version>
             <scope>test</scope>
         </dependency>

providers/sql/src/main/java/cc/carm/lib/configuration/source/sql/SQLConfigFactory.java

@@ -7,12 +7,17 @@ import cc.carm.lib.configuration.source.ConfigurationFactory;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.versioned.VersionedMetaTypes;
 import cc.carm.lib.easysql.api.SQLManager;
+import cc.carm.lib.easysql.api.SQLTable;
+import cc.carm.lib.easysql.api.builder.TableCreateBuilder;
+import cc.carm.lib.easysql.api.enums.IndexType;
+import cc.carm.lib.easysql.api.function.SQLHandler;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Range;
 
 import java.util.HashMap;
+import java.util.function.BiConsumer;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
 
@@ -26,11 +31,43 @@ public class SQLConfigFactory extends ConfigurationFactory<SQLSource, Configurat
         return from(() -> manager);
     }
 
+    protected static final @NotNull Gson DEFAULT_GSON = new GsonBuilder()
+            .serializeNulls().disableHtmlEscaping().create();
+
+    protected static final @NotNull BiConsumer<String, TableCreateBuilder> DEFAULT_TABLE_SCHEMA = (tableName, builder) -> {
+        builder.addColumn("namespace", "VARCHAR(32) NOT NULL");
+        builder.addColumn("path", "VARCHAR(96) NOT NULL");
+
+        builder.addColumn("value", "TEXT");
+
+        builder.addColumn("inline_comment", "TEXT");
+        builder.addColumn("header_comments", "MEDIUMTEXT");
+        builder.addColumn("footer_comments", "MEDIUMTEXT");
+
+        builder.addColumn("type", "TINYINT NOT NULL DEFAULT 0");
+        builder.addColumn("version", "MEDIUMINT UNSIGNED NOT NULL DEFAULT 0");
+
+        builder.addColumn(
+                "create_time",
+                "TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP"
+        );
+        builder.addColumn(
+                "update_time",
+                "TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP"
+        );
+
+        builder.setIndex(
+                IndexType.PRIMARY_KEY, "pk_" + tableName.toLowerCase(),
+                "namespace", "path"
+        );
+        builder.setTableSettings("ENGINE=InnoDB DEFAULT CHARSET=utf8mb4");
+    };
+
     protected @NotNull Supplier<SQLManager> managerSupplier;
-    protected Supplier<Gson> gsonSupplier = () -> SQLSource.DEFAULT_GSON;
+    protected Supplier<Gson> gsonSupplier = () -> DEFAULT_GSON;
 
     protected HashMap<Integer, SQLValueResolver<?>> resolvers = new HashMap<>(SQLValueResolver.STANDARD_RESOLVERS);
-    protected String tableName = "configs";
+    protected SQLTable tableName = SQLTable.of("config", (table) -> DEFAULT_TABLE_SCHEMA.accept("config", table));
     protected String namespace = "default";
 
     public SQLConfigFactory(@NotNull Supplier<SQLManager> managerSupplier) {
@@ -95,11 +132,19 @@ public class SQLConfigFactory extends ConfigurationFactory<SQLSource, Configurat
         return resolver(id, SQLValueResolver.of(type, parser, serializer));
     }
 
-    public SQLConfigFactory tableName(@NotNull String tableName) {
+    public SQLConfigFactory table(@NotNull SQLTable table) {
-        this.tableName = tableName;
+        this.tableName = table;
         return self();
     }
 
+    public SQLConfigFactory table(@NotNull String tableName, @NotNull SQLHandler<TableCreateBuilder> builder) {
+        return table(SQLTable.of(tableName, builder));
+    }
+
+    public SQLConfigFactory tableName(@NotNull String tableName) {
+        return table(tableName, table -> DEFAULT_TABLE_SCHEMA.accept(tableName, table));
+    }
+
     public SQLConfigFactory namespace(@NotNull String namespace) {
         this.namespace = namespace;
         return self();

providers/sql/src/main/java/cc/carm/lib/configuration/source/sql/SQLSource.java

@@ -9,9 +9,7 @@ import cc.carm.lib.configuration.versioned.VersionedMetaTypes;
 import cc.carm.lib.easysql.api.SQLManager;
 import cc.carm.lib.easysql.api.SQLQuery;
 import cc.carm.lib.easysql.api.SQLTable;
-import cc.carm.lib.easysql.api.enums.IndexType;
 import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -21,9 +19,6 @@ import java.util.*;
 
 public class SQLSource extends ConfigureSource<SourcedSection, Map<String, Object>, SQLSource> {
 
-    protected static final @NotNull Gson DEFAULT_GSON = new GsonBuilder()
-            .serializeNulls().disableHtmlEscaping().create();
-
     protected final @NotNull Gson gson;
     protected final @NotNull SQLManager sqlManager;
     protected final @NotNull String namespace;
@@ -35,41 +30,13 @@ public class SQLSource extends ConfigureSource<SourcedSection, Map<String, Objec
     public SQLSource(@NotNull ConfigurationHolder<? extends SQLSource> holder, long lastUpdateMillis,
                      @NotNull Gson gson, @NotNull SQLManager sqlManager,
                      @NotNull Map<Integer, SQLValueResolver<?>> resolvers,
-                     @NotNull String tableName, @NotNull String namespace) {
+                     @NotNull SQLTable table, @NotNull String namespace) {
         super(holder, lastUpdateMillis);
         this.gson = gson;
         this.sqlManager = sqlManager;
         this.resolvers = resolvers;
         this.namespace = namespace;
-        this.table = SQLTable.of(tableName, builder -> {
+        this.table = table;
-
-            builder.addColumn("namespace", "VARCHAR(32) NOT NULL");
-            builder.addColumn("path", "VARCHAR(96) NOT NULL");
-
-            builder.addColumn("value", "TEXT");
-
-            builder.addColumn("inline_comment", "TEXT");
-            builder.addColumn("header_comments", "MEDIUMTEXT");
-            builder.addColumn("footer_comments", "MEDIUMTEXT");
-
-            builder.addColumn("type", "TINYINT NOT NULL DEFAULT 0");
-            builder.addColumn("version", "MEDIUMINT UNSIGNED NOT NULL DEFAULT 0");
-
-            builder.addColumn(
-                    "create_time",
-                    "TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP"
-            );
-            builder.addColumn(
-                    "update_time",
-                    "TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP"
-            );
-
-            builder.setIndex(
-                    IndexType.PRIMARY_KEY, "pk_" + tableName.toLowerCase(),
-                    "namespace", "path"
-            );
-            builder.setTableSettings("ENGINE=InnoDB DEFAULT CHARSET=utf8mb4");
-        });
 
         try {
             this.table.create(this.sqlManager);
@@ -108,10 +75,10 @@ public class SQLSource extends ConfigureSource<SourcedSection, Map<String, Objec
         List<Object[]> dataValues = new ArrayList<>();
 
         SourcedSection section = section();
-        Map<String, ConfigValue<?>> values = holder().registeredValues();
+        Map<String, ConfigValue<?, ?>> values = holder().registeredValues();
-        for (Map.Entry<String, ConfigValue<?>> entry : values.entrySet()) {
+        for (Map.Entry<String, ConfigValue<?, ?>> entry : values.entrySet()) {
             @NotNull String path = entry.getKey();
-            @NotNull ConfigValue<?> config = entry.getValue();
+            @NotNull ConfigValue<?, ?> config = entry.getValue();
             @Nullable Object value = section.get(path);
 
             if (value instanceof SourcedSection) {

providers/yaml/README.md

@@ -1,4 +1,4 @@
-# EasyConfiguration-YAML
+# configured-YAML
 
 YAML file-based implementation, compatible with all Java environments.
 
@@ -20,9 +20,9 @@ YAML file-based implementation, compatible with all Java environments.
 
         <repository>
             <!-- Using GitHub dependencies for real-time updates, configuration required (recommended). -->
-            <id>EasyConfiguration</id>
+            <id>configured</id>
             <name>GitHub Packages</name>
-            <url>https://maven.pkg.github.com/CarmJos/EasyConfiguration</url>
+            <url>https://maven.pkg.github.com/CarmJos/configured</url>
         </repository>
 
     </repositories>
@@ -35,7 +35,7 @@ YAML file-based implementation, compatible with all Java environments.
     <dependencies>
         <dependency>
             <groupId>cc.carm.lib</groupId>
-            <artifactId>easyconfiguration-yaml</artifactId>
+            <artifactId>configured-yaml</artifactId>
             <version>[LATEST RELEASE]</version>
             <scope>compile</scope>
         </dependency>
@@ -52,13 +52,13 @@ repositories {
     mavenCentral()
 
     // Using GitHub dependencies for real-time updates, configuration required (recommended).
-    maven { url 'https://maven.pkg.github.com/CarmJos/EasyConfiguration' }
+    maven { url 'https://maven.pkg.github.com/CarmJos/configured' }
 
 }
 ```
 
 ```groovy
 dependencies {
-    api "cc.carm.lib:easyconfiguration-yaml:[LATEST RELEASE]"
+    api "cc.carm.lib:configured-yaml:[LATEST RELEASE]"
 }
 ```

providers/yaml/pom.xml

@@ -4,9 +4,9 @@
          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>
-        <artifactId>easyconfiguration-parent</artifactId>
+        <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.0.10</version>
+        <version>4.1.1</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -17,35 +17,35 @@
         <deps.yamlcommentwriter.version>1.2.1</deps.yamlcommentwriter.version>
     </properties>
 
-    <artifactId>easyconfiguration-yaml</artifactId>
+    <artifactId>configured-yaml</artifactId>
     <packaging>jar</packaging>
 
     <dependencies>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-core</artifactId>
+            <artifactId>configured-core</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-file</artifactId>
+            <artifactId>configured-feature-file</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-section</artifactId>
+            <artifactId>configured-feature-section</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-feature-commentable</artifactId>
+            <artifactId>configured-feature-commentable</artifactId>
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
@@ -66,7 +66,7 @@
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
-            <artifactId>easyconfiguration-demo</artifactId>
+            <artifactId>configured-demo</artifactId>
             <version>${project.parent.version}</version>
             <scope>test</scope>
         </dependency>

providers/yaml/src/test/java/yaml/test/YamlTests.java

@@ -1,11 +1,11 @@
 package yaml.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;
@@ -19,6 +19,8 @@ public class YamlTests {
         ConfigurationHolder<YAMLSource> holder = YAMLConfigFactory.from("target/tests.yml")
                 .resourcePath("configs/sample.yml").build();
 
+        Validators.activate(holder);
+
         ConfigurationTest.testDemo(holder);
         ConfigurationTest.testInner(holder);