Add support for @Library annotation

README.md

@@ -12,6 +12,7 @@ See the [wiki](https://www.spigotmc.org/wiki/plugin-yml/) for more information.
 @Author("md_5")
 @Website("www.spigotmc.org")
 @LogPrefix("Testing")
+@Library("com.squareup.okhttp3:okhttp:4.9.0")
 @Dependency("WorldEdit")
 @Dependency("Towny")
 @LoadBefore("Towny")
@@ -37,6 +38,8 @@ load: STARTUP
 author: md_5
 website: www.spigotmc.org
 prefix: Testing
+libraries:
+- com.squareup.okhttp3:okhttp:4.9.0
 depend:
 - WorldEdit
 - Towny

src/main/java/org/bukkit/plugin/java/annotation/PluginAnnotationProcessor.java

@@ -15,6 +15,7 @@ import org.bukkit.plugin.java.annotation.permission.Permission;
 import org.bukkit.plugin.java.annotation.permission.Permissions;
 import org.bukkit.plugin.java.annotation.plugin.ApiVersion;
 import org.bukkit.plugin.java.annotation.plugin.Description;
+import org.bukkit.plugin.java.annotation.dependency.Library;
 import org.bukkit.plugin.java.annotation.plugin.LoadOrder;
 import org.bukkit.plugin.java.annotation.plugin.LogPrefix;
 import org.bukkit.plugin.java.annotation.plugin.Plugin;
@@ -145,6 +146,14 @@ public class PluginAnnotationProcessor extends AbstractProcessor {
         // prefix
         processAndPut( yml, "prefix", mainPluginType, null, LogPrefix.class, String.class );
 
+        // libraries
+        Library[] libraries = mainPluginType.getAnnotationsByType( Library.class );
+        List<String> libraryArr = Lists.newArrayList();
+        for ( Library lib : libraries ) {
+            libraryArr.add( lib.value() );
+        }
+        if ( !libraryArr.isEmpty() ) yml.put( "libraries", libraryArr );
+
         // dependencies
         Dependency[] dependencies = mainPluginType.getAnnotationsByType( Dependency.class );
         List<String> hardDependencies = Lists.newArrayList();

src/main/java/org/bukkit/plugin/java/annotation/dependency/Libraries.java

@@ -0,0 +1,23 @@
+package org.bukkit.plugin.java.annotation.dependency;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Part of the plugin annotations framework.
+ * <p>
+ * Represents the libraries a plugin depends on in order to be loaded
+ * <br>
+ * This specific annotation should not be used by people who do not know how
+ * repeating annotations work.
+ */
+@Documented
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Libraries {
+
+    Library[] value() default {};
+}

src/main/java/org/bukkit/plugin/java/annotation/dependency/Library.java

@@ -0,0 +1,26 @@
+package org.bukkit.plugin.java.annotation.dependency;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Repeatable;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Defines a plugin library.
+ * <br>
+ * Libraries are dynamically loaded by the server implementation and should take
+ * the form of groupId:artifactId:version.
+ */
+@Documented
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.RUNTIME)
+@Repeatable(Libraries.class)
+public @interface Library {
+
+    /**
+     * A library that is to be loaded and accessible by this plugin.
+     */
+    String value();
+}