001// Copyright 2004, 2005 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry.services.impl; 016 017import java.util.Iterator; 018 019import org.apache.hivemind.util.EventListenerList; 020import org.apache.tapestry.event.ResetEventListener; 021import org.apache.tapestry.services.ResetEventHub; 022 023/** 024 * Implementation of the <code>tapestry.ResetEventHub</code> 025 * service. 026 * 027 * @author Howard Lewis Ship 028 * @since 4.0 029 */ 030public class ResetEventHubImpl implements ResetEventHub 031{ 032 private EventListenerList _listeners = new EventListenerList(); 033 034 public void addResetEventListener(ResetEventListener l) 035 { 036 _listeners.addListener(l); 037 } 038 039 public void removeResetEventListener(ResetEventListener l) 040 { 041 _listeners.removeListener(l); 042 } 043 044 public void fireResetEvent() 045 { 046 Iterator i = _listeners.getListeners(); 047 048 while (i.hasNext()) 049 { 050 ResetEventListener l = (ResetEventListener) i.next(); 051 052 l.resetEventDidOccur(); 053 } 054 } 055}