Character Friend implementation

Signed-off-by: Rogiel <rogiel@rogiel.com>

src/main/java/com/l2jserver/model/id/object/iterator/WorldObjectIterable.java

@@ -0,0 +1,26 @@
+package com.l2jserver.model.id.object.iterator;
+
+import java.util.Iterator;
+
+import com.l2jserver.model.world.WorldObject;
+
+/**
+ * This is a simple {@link Iterable} implementation that always return the same
+ * {@link Iterator}.
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ * @param <T>
+ *            the return object type
+ */
+public class WorldObjectIterable<T extends WorldObject> implements Iterable<T> {
+	private final Iterator<T> iterator;
+
+	public WorldObjectIterable(Iterator<T> iterator) {
+		this.iterator = iterator;
+	}
+
+	@Override
+	public Iterator<T> iterator() {
+		return iterator;
+	}
+}

src/main/java/com/l2jserver/model/id/object/iterator/WorldObjectIterator.java

@@ -0,0 +1,44 @@
+package com.l2jserver.model.id.object.iterator;
+
+import java.util.Iterator;
+
+import com.l2jserver.model.id.ObjectID;
+import com.l2jserver.model.world.WorldObject;
+import com.l2jserver.util.ArrayIterator;
+
+/**
+ * This {@link Iterator} will iterate trough another {@link Iterator} which
+ * return {@link ObjectID} instances. For each ID, the
+ * {@link ObjectID#getObject()} method will be called and its result will be
+ * returned.
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ * @param <T>
+ *            the object type
+ */
+public class WorldObjectIterator<T extends WorldObject> implements Iterator<T> {
+	private final Iterator<? extends ObjectID<T>> ids;
+
+	public WorldObjectIterator(ObjectID<T>... ids) {
+		this(new ArrayIterator<ObjectID<T>>(ids));
+	}
+
+	public WorldObjectIterator(Iterator<? extends ObjectID<T>> ids) {
+		this.ids = ids;
+	}
+
+	@Override
+	public boolean hasNext() {
+		return ids.hasNext();
+	}
+
+	@Override
+	public T next() {
+		return ids.next().getObject();
+	}
+
+	@Override
+	public void remove() {
+		ids.remove();
+	}
+}