| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.myfaces.extensions.scripting.sandbox.extensionevents; |
| |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.concurrent.ConcurrentLinkedQueue; |
| |
| /** |
| * @author Werner Punz (latest modification by $Author$) |
| * @version $Revision$ $Date$ |
| */ |
| |
| public class ExtensionEventRegistry { |
| |
| Collection<ExtensionEventListener> _listeners = new ConcurrentLinkedQueue<ExtensionEventListener>(); |
| |
| public void addListener(ExtensionEventListener listener) { |
| _listeners.add(listener); |
| } |
| |
| public void removeListener(ExtensionEvent listener) { |
| _listeners.remove(listener); |
| } |
| |
| public void removeAllListeners(Class eventType) { |
| Iterator<ExtensionEventListener> it = _listeners.iterator(); |
| while(it.hasNext()) { |
| if(it.next().getClass() == eventType) { |
| it.remove(); |
| } |
| } |
| } |
| |
| public void clear() { |
| _listeners.clear(); |
| } |
| |
| public void sendEvent(ExtensionEvent evt) { |
| for (ExtensionEventListener listener : _listeners) { |
| listener.handleEvent(evt); |
| } |
| } |
| |
| } |