feat(json): Finished json version's provider

features/commentable/src/main/java/cc/carm/lib/configuration/annotation/FooterComment.java

@@ -0,0 +1,40 @@
+package cc.carm.lib.configuration.annotation;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Footer Comments.
+ * Add a comment to the bottom of the corresponding configuration for easy reading and viewing.
+ * <p>e.g.
+ * <blockquote><pre>
+ * foo: "bar"
+ * # The first line of the comment
+ * # The second line of the comment
+ * </pre></blockquote>
+ */
+@Target({ElementType.TYPE, ElementType.FIELD})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface FooterComment {
+
+    /**
+     * If the content of the note is 0, it will be treated as a blank line.
+     * <p> e.g. <b>{"foo","","bar"}</b>
+     * Will be set as
+     * <blockquote><pre>
+     * foo: "bar"
+     * # foo
+     *
+     * # bar
+     * </pre></blockquote>
+     *
+     * @return The content of this comment
+     */
+    @NotNull
+    String[] value() default "";
+
+}

features/commentable/src/main/java/cc/carm/lib/configuration/commentable/CommentableMetaTypes.java

@@ -1,5 +1,6 @@
 package cc.carm.lib.configuration.commentable;
 
+import cc.carm.lib.configuration.annotation.FooterComment;
 import cc.carm.lib.configuration.annotation.HeaderComment;
 import cc.carm.lib.configuration.annotation.InlineComment;
 import cc.carm.lib.configuration.source.ConfigurationHolder;
@@ -18,6 +19,11 @@ public interface CommentableMetaTypes {
      */
     ConfigurationMetadata<List<String>> HEADER_COMMENTS = ConfigurationMetadata.of(Collections.emptyList());
 
+    /**
+     * Configuration's footer comments
+     */
+    ConfigurationMetadata<List<String>> FOOTER_COMMENTS = ConfigurationMetadata.of(Collections.emptyList());
+
     /**
      * Configuration's {@link InlineComment}
      */
@@ -33,6 +39,10 @@ public interface CommentableMetaTypes {
                 HeaderComment.class, HEADER_COMMENTS,
                 a -> Arrays.asList(a.value())
         );
+        initializer.registerAnnotation(
+                FooterComment.class, FOOTER_COMMENTS,
+                a -> Arrays.asList(a.value())
+        );
         initializer.registerAnnotation(InlineComment.class, INLINE_COMMENT, InlineComment::value);
     }
 

features/commentable/src/main/java/cc/carm/lib/configuration/option/CommentableOptions.java

@@ -4,11 +4,11 @@ import cc.carm.lib.configuration.source.option.ConfigurationOption;
 
 public interface CommentableOptions {
 
-    /**
-     * Whether to keep modified comments in configuration,
-     * that means we only set comments for values that are not exists in configuration.
-     */
-    ConfigurationOption<Boolean> KEEP_COMMENTS = ConfigurationOption.of(true);
+//    /**
+//     * Whether to keep modified comments in configuration,
+//     * that means we only set comments for values that are not exists in configuration.
+//     */
+//    ConfigurationOption<Boolean> KEEP_COMMENTS = ConfigurationOption.of(true);
 
     /**
      * Whether to comment values name that are not exists in configuration and no default value offered.
@@ -19,6 +19,6 @@ public interface CommentableOptions {
      * # foo:
      * </pre></blockquote>
      */
-    ConfigurationOption<Boolean> COMMENT_NO_DEFAULT = ConfigurationOption.of(true);
+    ConfigurationOption<Boolean> COMMENT_EMPTY_VALUE = ConfigurationOption.of(true);
 
 }

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

@@ -1,5 +1,7 @@
-package cc.carm.lib.configuration.source;
+package cc.carm.lib.configuration.source.file;
 
+import cc.carm.lib.configuration.source.ConfigurationFactory;
+import cc.carm.lib.configuration.source.ConfigurationHolder;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 

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

@@ -1,7 +1,8 @@
-package cc.carm.lib.configuration.source;
+package cc.carm.lib.configuration.source.file;
 
 import cc.carm.lib.configuration.function.DataFunction;
-import cc.carm.lib.configuration.option.FileConfigOptions;
+import cc.carm.lib.configuration.source.ConfigurationHolder;
+import cc.carm.lib.configuration.source.option.FileConfigOptions;
 import cc.carm.lib.configuration.source.section.ConfigureSection;
 import cc.carm.lib.configuration.source.section.ConfigureSource;
 import org.jetbrains.annotations.NotNull;

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

@@ -1,4 +1,4 @@
-package cc.carm.lib.configuration.option;
+package cc.carm.lib.configuration.source.option;
 
 import cc.carm.lib.configuration.source.option.ConfigurationOption;