[Bleeding] Implement Metadata framework for Entities, Blocks, and Worlds

src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java

@@ -10,6 +10,8 @@ import org.bukkit.World;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.CraftWorld;
 import org.bukkit.event.entity.EntityDamageEvent;
+import org.bukkit.metadata.MetadataValue;
+import org.bukkit.plugin.Plugin;
 import org.bukkit.util.Vector;
 
 import java.util.List;
@@ -130,7 +132,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
         }
         else if (entity instanceof EntityPainting) { return new CraftPainting(server, (EntityPainting) entity); }
         else if (entity instanceof EntityTNTPrimed) { return new CraftTNTPrimed(server, (EntityTNTPrimed) entity); }
-        
+
         throw new IllegalArgumentException("Unknown entity");
     }
 
@@ -324,4 +326,20 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
         hash = 29 * hash + this.getEntityId();
         return hash;
     }
+
+    public void setMetadata(String metadataKey, MetadataValue newMetadataValue) {
+        server.getEntityMetadata().setMetadata(this, metadataKey, newMetadataValue);
+    }
+
+    public List<MetadataValue> getMetadata(String metadataKey) {
+        return server.getEntityMetadata().getMetadata(this, metadataKey);
+    }
+
+    public boolean hasMetadata(String metadataKey) {
+        return server.getEntityMetadata().hasMetadata(this, metadataKey);
+    }
+
+    public void removeMetadata(String metadataKey, Plugin owningPlugin) {
+        server.getEntityMetadata().removeMetadata(this, metadataKey, owningPlugin);
+    }
 }