Merge remote-tracking branch 'origin/master'

Bumps `kotlin.version` from 1.9.22 to 2.1.20.

Updates `org.jetbrains.kotlin:kotlin-stdlib-jdk8` from 1.9.22 to 2.1.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](https://github.com/JetBrains/kotlin/compare/v1.9.22...v2.1.20)

Updates `org.jetbrains.kotlin:kotlin-maven-plugin` from 1.9.22 to 2.1.20

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib-jdk8
  dependency-version: 2.1.20
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.jetbrains.kotlin:kotlin-maven-plugin
  dependency-version: 2.1.20
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/codacy-analysis.yml

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

.gitignore

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

README.md

@@ -11,12 +11,14 @@
 README LANGUAGES [ [**English**](README.md) | [中文](README_CN.md)  ]
 </div>
 
-# configured (config-framework)
+# configured _(config framework)_
 
-_**"Once set, Simple get."**_ 
+<img src=".doc/images/logo-bg.svg" width="150px" alt="logo" align="right" style="float: right"/>
 
-A simple, easy-to-use and universal solution for managing, loading, reading, 
+_**"Once set, Simple get."**_
-and updating configuration files. 
+
+A simple, easy-to-use and universal solution for managing, loading, reading,
+and updating configuration files.
 
 Supported **JSON**, **YAML**, **Hocon**, **TOML**, **SQL**, **MongoDB**... and much more!
 
@@ -37,7 +39,7 @@ For the latest JavaDoc release, [CLICK HERE](https://CarmJos.github.io/configure
 
 For a detailed development guide, [CLICK HERE](.doc/README.md).
 
-### Code Samples
+### Preview
 
 To quickly demonstrate the applicability of the project, here are a few practical demonstrations:
 

README_CN.md

@@ -12,7 +12,9 @@ README LANGUAGES [ [English](README.md) | [**中文**](README_CN.md)  ]
 
 </div>
 
-# configured (config-framework)
+# configured _(配置文件框架)_
+
+<img src=".doc/images/logo-bg.svg" width="150px" alt="logo" align="right" style="float: right"/>
 
 **一次配置，轻松读取！**
 

core/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <properties>

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

@@ -55,16 +55,20 @@ public class ValueAdapter<TYPE>
 
     @Override
     public @Nullable Object serialize(
-            @NotNull ConfigurationHolder<?> holder, @NotNull ValueType<? super TYPE> type,
+            @NotNull ConfigurationHolder<?> holder,
-            @NotNull TYPE value) throws Exception {
+            @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 @Nullable TYPE parse(
-            @NotNull ConfigurationHolder<?> holder, @NotNull ValueType<? super TYPE> type,
+            @NotNull ConfigurationHolder<?> holder,
-            @NotNull Object value) throws Exception {
+            @NotNull ValueType<? super TYPE> type,
+            @NotNull Object value
+    ) throws Exception {
         if (deserializer == null) throw new UnsupportedOperationException("Deserializer is not supported");
         return deserializer.parse(holder, type, value);
     }

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

@@ -2,7 +2,6 @@ package cc.carm.lib.configuration.adapter;
 
 import cc.carm.lib.configuration.function.DataFunction;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
-import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -84,7 +83,9 @@ public class ValueAdapterRegistry {
 
     @SuppressWarnings("unchecked")
     public <T> @Nullable ValueAdapter<T> adapterOf(@NotNull ValueType<T> type) {
-        ValueAdapter<?> matched = adapters.stream().filter(adapter -> adapter.type().equals(type)).findFirst().orElse(null);
+        ValueAdapter<?> matched = adapters.stream()
+                .filter(adapter -> adapter.type().equals(type))
+                .findFirst().orElse(null);
         if (matched != null) return (ValueAdapter<T>) matched;
 
         // If no adapter found, try to find the adapter for the super type
@@ -101,12 +102,10 @@ public class ValueAdapterRegistry {
         return adapterOf(ValueType.of(type));
     }
 
-    @Contract("_,_,null -> null")
     public <T> T deserialize(@NotNull ConfigurationHolder<?> holder, @NotNull Class<T> type, @Nullable Object source) throws Exception {
         return deserialize(holder, ValueType.of(type), source);
     }
 
-    @Contract("_,_,null -> null")
     public <T> T deserialize(@NotNull ConfigurationHolder<?> holder, @NotNull ValueType<T> type, @Nullable Object source) throws Exception {
         if (source == null) return null; // Null check
         if (type.isInstance(source)) return type.cast(source); // Not required to deserialize
@@ -115,7 +114,7 @@ public class ValueAdapterRegistry {
         return adapter.parse(holder, type, source);
     }
 
-    @Contract("_,null -> null")
+    @Nullable
     public <T> Object serialize(@NotNull ConfigurationHolder<?> holder, @Nullable T value) throws Exception {
         if (value == null) return null; // Null check
         ValueType<T> type = ValueType.of(value);

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

@@ -5,7 +5,6 @@ import org.jetbrains.annotations.NotNull;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
 import java.util.List;
-import java.util.Map;
 import java.util.Objects;
 
 /**
@@ -56,10 +55,14 @@ public abstract class ValueType<T> {
         };
     }
 
-    public static <T> ValueType<T> of(final Class<T> clazz) {
+    public static <T> ValueType<T> of(final @NotNull Class<T> clazz) {
         return of((Type) clazz);
     }
 
+    public static <T> ValueType<List<T>> ofList(final @NotNull Class<T> paramType) {
+        return of(List.class, paramType);
+    }
+
     /**
      * Get the generic type of the complex type.
      *

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

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

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

@@ -13,7 +13,6 @@ import cc.carm.lib.configuration.source.option.ConfigurationOptionHolder;
 import cc.carm.lib.configuration.source.section.ConfigureSource;
 import cc.carm.lib.configuration.value.ConfigValue;
 import cc.carm.lib.configuration.value.ValueManifest;
-import org.jetbrains.annotations.Contract;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.UnmodifiableView;
@@ -87,7 +86,7 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
 
     @NotNull
     @UnmodifiableView
-    public <M> Map<String, M> extractMetadata(@NotNull ConfigurationMetadata<M> type, @NotNull Predicate<M> filter) {
+    public <M> Map<String, M> extractMetadata(@NotNull ConfigurationMetadata<M> type, @NotNull Predicate<@Nullable M> filter) {
         Map<String, M> metas = new LinkedHashMap<>();
         for (Map.Entry<String, ConfigurationMetaHolder> entry : this.metadata.entrySet()) {
             M data = entry.getValue().get(type);
@@ -110,17 +109,17 @@ public abstract class ConfigurationHolder<SOURCE extends ConfigureSource<?, ?, S
         return initializer;
     }
 
-    @Contract("_,null -> null")
+    @Nullable
     public <T> T deserialize(@NotNull Class<T> type, @Nullable Object source) throws Exception {
         return adapters().deserialize(this, type, source);
     }
 
-    @Contract("_,null -> null")
+    @Nullable
     public <T> T deserialize(@NotNull ValueType<T> type, @Nullable Object source) throws Exception {
         return adapters().deserialize(this, type, source);
     }
 
-    @Contract("null -> null")
+    @Nullable
     public <T> Object serialize(@Nullable T value) throws Exception {
         return adapters().serialize(this, value);
     }

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

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

demo/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <properties>
@@ -13,7 +13,11 @@
         <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+        <maven.javadoc.skip>true</maven.javadoc.skip>
+        <maven.deploy.skip>true</maven.deploy.skip>
 
+        <deps.mysql-driver.version>8.0.33</deps.mysql-driver.version>
+        <log4j.version>2.24.3</log4j.version>
     </properties>
     <artifactId>configured-demo</artifactId>
     <packaging>jar</packaging>
@@ -24,38 +28,112 @@
             <groupId>${project.parent.groupId}</groupId>
             <artifactId>configured-core</artifactId>
             <version>${project.parent.version}</version>
-            <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
             <artifactId>configured-feature-commentable</artifactId>
             <version>${project.parent.version}</version>
-            <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
             <artifactId>configured-feature-versioned</artifactId>
             <version>${project.parent.version}</version>
-            <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>${project.parent.groupId}</groupId>
             <artifactId>configured-feature-validators</artifactId>
             <version>${project.parent.version}</version>
-            <scope>compile</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-feature-kotlin</artifactId>
+            <version>${project.parent.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-yaml</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-gson</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-sql</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>cc.carm.lib</groupId>
+            <artifactId>easysql-beecp</artifactId>
+            <version>0.4.7</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>${deps.mysql-driver.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-mongodb</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>${project.parent.groupId}</groupId>
+            <artifactId>configured-hocon</artifactId>
+            <version>${project.parent.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk8</artifactId>
+            <version>${kotlin.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+            <version>${log4j.version}</version>
+            <scope>test</scope>
         </dependency>
 
     </dependencies>
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
@@ -68,6 +146,64 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
             </plugin>
+            <plugin>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <version>${kotlin.version}</version>
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                        <configuration>
+                            <sourceDirs>
+                                <source>src/main/java</source>
+                                <source>target/generated-sources/annotations</source>
+                            </sourceDirs>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>test-compile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>test-compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <jvmTarget>1.8</jvmTarget>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>default-compile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>default-testCompile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>testCompile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>testCompile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 

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

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

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

@@ -0,0 +1,33 @@
+package cc.carm.lib.configuration.demo.tests.conf
+
+import cc.carm.lib.configuration.Configuration
+import cc.carm.lib.configuration.annotation.ConfigPath
+import cc.carm.lib.configuration.annotation.ConfigVersion
+import cc.carm.lib.configuration.kotlin.value.*
+import java.util.*
+
+@ConfigPath(root = true)
+object KotlinConfiguration : Configuration {
+    @ConfigVersion(1)
+    val VERSION = valueFrom(Double::class) {
+        defaults(1.0)
+    }
+
+    val USER_LIST = listFrom(String::class) {
+        defaults("Carm Jos")
+    }
+
+    val NICKNAME = mapFrom(String::class, ::mutableMapOf) {
+        defaultMap(mapOf("Carm Jos" to "Carm"))
+        parse { v -> v }
+        serialize { v -> v }
+    }
+
+    val LINKED_MAP = linkedMapFrom(String::class) {
+        parse { value ->
+            value
+        }
+        serialize { v -> v }
+        defaults("key", "value")
+    }
+}

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

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

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

@@ -1,4 +1,4 @@
-package config;
+package cc.carm.lib.configuration.tests.test;
 
 import cc.carm.lib.configuration.demo.tests.ConfigurationTest;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
@@ -7,7 +7,7 @@ import org.junit.Test;
 
 import java.io.File;
 
-public class JSONConfigTest {
+public class JSONConfigTests {
 
     protected final ConfigurationHolder<?> holder = JSONConfigFactory
             .from(new File("target"), "config.json")

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

@@ -1,4 +1,4 @@
-package yaml.test;
+package cc.carm.lib.configuration.tests.test;
 
 import cc.carm.lib.configuration.commentable.CommentableMeta;
 import cc.carm.lib.configuration.demo.tests.ConfigurationTest;
@@ -44,5 +44,13 @@ public class YamlTests {
         ConfigurationTest.save(holder);
     }
 
+    @Test
+    public void testKotlin() {
+        ConfigurationHolder<YAMLSource> holder = YAMLConfigFactory.from("target/kotlin.yml").build();
+
+        ConfigurationTest.testKotlin(holder);
+
+        ConfigurationTest.save(holder);
+    }
 }
 

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

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

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

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

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

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

demo/src/test/resources/log4j2.xml

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

features/commentable/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>

features/file/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>

features/kotlin/pom.xml

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>cc.carm.lib</groupId>
+        <artifactId>configured-parent</artifactId>
+        <version>4.1.4</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <properties>
+        <maven.compiler.source>${project.jdk.version}</maven.compiler.source>
+        <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+        <kotlin.version>2.1.20</kotlin.version>
+    </properties>
+
+    <artifactId>configured-feature-kotlin</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>configured-core</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk8</artifactId>
+            <version>${kotlin.version}</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <version>${kotlin.version}</version>
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>test-compile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>test-compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <jvmTarget>1.8</jvmTarget>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.jetbrains.dokka</groupId>
+                <artifactId>dokka-maven-plugin</artifactId>
+                <version>2.0.0</version>
+                <executions>
+                    <execution>
+                        <phase>pre-site</phase>
+                        <goals>
+                            <goal>dokka</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>default-compile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>default-testCompile</id>
+                        <phase>none</phase>
+                    </execution>
+                    <execution>
+                        <id>compile</id>
+                        <phase>compile</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>testCompile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>testCompile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

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

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

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

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

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

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

features/section/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>

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

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

features/text/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>

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

@@ -7,7 +7,6 @@ import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.value.ValueManifest;
 import cc.carm.lib.configuration.value.standard.ConfiguredValue;
 import cc.carm.lib.configuration.value.text.data.TextContents;
-import cc.carm.lib.configuration.value.text.function.TextDispatcher;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -50,7 +49,7 @@ public class ConfiguredText<MSG, RECEIVER> extends ConfiguredValue<TextContents>
         this.params = params;
     }
 
-    public TextDispatcher<MSG, RECEIVER, ?> prepare(@NotNull Object... values) {
+    public PreparedText<MSG, RECEIVER> prepare(@NotNull Object... values) {
         return new PreparedText<MSG, RECEIVER>(resolve(), this.params)
                 .parser(this.parser).compiler(this.compiler)
                 .dispatcher(this.dispatcher).placeholders(values);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

features/validators/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>

features/versioned/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>

pom.xml

@@ -10,12 +10,13 @@
         <maven.compiler.target>${project.jdk.version}</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+        <kotlin.version>2.1.20</kotlin.version>
     </properties>
 
     <groupId>cc.carm.lib</groupId>
     <artifactId>configured-parent</artifactId>
     <packaging>pom</packaging>
-    <version>4.1.1</version>
+    <version>4.1.4</version>
     <modules>
         <module>core</module>
         <module>features/section</module>
@@ -24,6 +25,7 @@
         <module>features/versioned</module>
         <module>features/validators</module>
         <module>features/text</module>
+        <module>features/kotlin</module>
 
         <module>providers/yaml</module>
         <module>providers/gson</module>
@@ -126,7 +128,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-                <version>3.5.2</version>
+                <version>3.5.3</version>
                 <configuration>
                     <useSystemClassLoader>false</useSystemClassLoader>
                 </configuration>
@@ -166,7 +168,6 @@
 
         <pluginManagement>
             <plugins>
-
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-javadoc-plugin</artifactId>

providers/gson/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
@@ -41,17 +41,10 @@
             <scope>compile</scope>
         </dependency>
 
-        <dependency>
-            <groupId>${project.parent.groupId}</groupId>
-            <artifactId>configured-demo</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.12.1</version>
+            <version>2.13.0</version>
             <scope>compile</scope>
         </dependency>
 

providers/hocon/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <groupId>cc.carm.lib</groupId>
         <artifactId>configured-parent</artifactId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -43,14 +43,6 @@
             <version>${project.parent.version}</version>
             <scope>compile</scope>
         </dependency>
-
-        <dependency>
-            <groupId>${project.parent.groupId}</groupId>
-            <artifactId>configured-demo</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-
         <dependency>
             <groupId>com.typesafe</groupId>
             <artifactId>config</artifactId>

providers/mongodb/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
@@ -14,9 +14,7 @@
         <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>
-
+        <deps.mongodb.version>5.4.0</deps.mongodb.version>
-        <deps.mongodb.version>5.3.1</deps.mongodb.version>
-        <log4j.version>2.24.3</log4j.version>
     </properties>
     <artifactId>configured-mongodb</artifactId>
 
@@ -42,41 +40,6 @@
             <version>${deps.mongodb.version}</version>
         </dependency>
 
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-api</artifactId>
-            <version>${log4j.version}</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>${log4j.version}</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-slf4j-impl</artifactId>
-            <version>${log4j.version}</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>${project.parent.groupId}</groupId>
-            <artifactId>configured-demo</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>${project.parent.groupId}</groupId>
-            <artifactId>configured-gson</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-
     </dependencies>
 
     <build>

providers/mongodb/src/test/resources/log4j2.xml

@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Configuration status="WARN" packages="config.SQLConfigTest">
-    <Appenders>
-        <console name="Console" target="SYSTEM_OUT">
-            <PatternLayout pattern="[%d{HH:mm:ss} %level]: %msg%n"/>
-        </console>
-    </Appenders>
-    <Loggers>
-        <Root level="info">
-            <filters>
-                <MarkerFilter marker="NETWORK_PACKETS" onMatch="DENY" onMismatch="NEUTRAL"/>
-                <RegexFilter regex=".*\$\{[^}]*\}.*" onMatch="DENY" onMismatch="NEUTRAL"/>
-            </filters>
-            <AppenderRef ref="File"/>
-            <appender-ref ref="Console"/>
-        </Root>
-    </Loggers>
-</Configuration>
-

providers/sql/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -14,9 +14,6 @@
         <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>
-
-        <deps.mysql-driver.version>8.0.33</deps.mysql-driver.version>
-        <deps.log4j.version>2.24.3</deps.log4j.version>
     </properties>
     <artifactId>configured-sql</artifactId>
 
@@ -52,7 +49,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.12.1</version>
+            <version>2.13.0</version>
         </dependency>
 
         <dependency>
@@ -61,55 +58,6 @@
             <version>0.4.7</version>
         </dependency>
 
-        <dependency>
-            <groupId>cc.carm.lib</groupId>
-            <artifactId>easysql-beecp</artifactId>
-            <version>0.4.7</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>${project.parent.groupId}</groupId>
-            <artifactId>configured-demo</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-api</artifactId>
-            <version>${deps.log4j.version}</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>${deps.log4j.version}</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-slf4j-impl</artifactId>
-            <version>${deps.log4j.version}</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>${project.parent.groupId}</groupId>
-            <artifactId>configured-gson</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>mysql</groupId>
-            <artifactId>mysql-connector-java</artifactId>
-            <version>${deps.mysql-driver.version}</version>
-            <scope>test</scope>
-        </dependency>
-
     </dependencies>
 
     <build>

providers/yaml/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <artifactId>configured-parent</artifactId>
         <groupId>cc.carm.lib</groupId>
-        <version>4.1.1</version>
+        <version>4.1.4</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
     <properties>
@@ -64,13 +64,6 @@
             <scope>compile</scope>
         </dependency>
 
-        <dependency>
-            <groupId>${project.parent.groupId}</groupId>
-            <artifactId>configured-demo</artifactId>
-            <version>${project.parent.version}</version>
-            <scope>test</scope>
-        </dependency>
-
     </dependencies>
 
     <build>

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

@@ -4,7 +4,7 @@ import cc.carm.lib.configuration.source.ConfigurationHolder;
 import cc.carm.lib.configuration.source.yaml.YAMLConfigFactory;
 import org.junit.Test;
 
-public class  SampleTest {
+public class SampleTest {
 
     @Test
     public void test() {