PortletSessionListenerManager.java |
1 /** 2 * Copyright (c) 2000-2007 Liferay, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portal.kernel.servlet; 24 25 import java.util.ArrayList; 26 import java.util.Iterator; 27 import java.util.List; 28 29 import javax.servlet.http.HttpSessionEvent; 30 import javax.servlet.http.HttpSessionListener; 31 32 /** 33 * <a href="PortletSessionListenerManager.java.html"><b><i>View Source</i></b> 34 * </a> 35 * 36 * <p> 37 * See http://support.liferay.com/browse/LEP-2299. 38 * </p> 39 * 40 * @author Olaf Fricke 41 * @author Brian Wing Shun Chan 42 * 43 */ 44 public class PortletSessionListenerManager implements HttpSessionListener { 45 46 public static void addListener(HttpSessionListener listener) { 47 _listeners.add(listener); 48 } 49 50 public static void removeListener(HttpSessionListener listener) { 51 _listeners.remove(listener); 52 } 53 54 public void sessionCreated(HttpSessionEvent event) { 55 ClassLoader contextClassLoader = 56 Thread.currentThread().getContextClassLoader(); 57 58 try { 59 Iterator itr = _listeners.iterator(); 60 61 while (itr.hasNext()) { 62 HttpSessionListener listener = (HttpSessionListener)itr.next(); 63 64 ClassLoader listenerClassLoader = 65 listener.getClass().getClassLoader(); 66 67 Thread.currentThread().setContextClassLoader( 68 listenerClassLoader); 69 70 listener.sessionCreated(event); 71 } 72 } 73 finally { 74 Thread.currentThread().setContextClassLoader(contextClassLoader); 75 } 76 } 77 78 public void sessionDestroyed(HttpSessionEvent event) { 79 Iterator itr = _listeners.iterator(); 80 81 while (itr.hasNext()) { 82 HttpSessionListener listener = (HttpSessionListener)itr.next(); 83 84 listener.sessionDestroyed(event); 85 } 86 } 87 88 private static List _listeners = new ArrayList(); 89 90 }