InvokerMessageListener.java |
1 /** 2 * Copyright (c) 2000-2009 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.messaging; 24 25 /** 26 * <a href="InvokerMessageListener.java.html"><b><i>View Source</i></b></a> 27 * 28 * @author Michael C. Han 29 * 30 */ 31 public class InvokerMessageListener implements MessageListener { 32 33 public InvokerMessageListener(MessageListener messageListener) { 34 this( 35 messageListener, 36 Thread.currentThread().getContextClassLoader()); 37 } 38 39 public InvokerMessageListener( 40 MessageListener messageListener, ClassLoader classLoader) { 41 42 _messageListener = messageListener; 43 _classLoader = classLoader; 44 } 45 46 public boolean equals(Object obj) { 47 InvokerMessageListener messageListenerInvoker = 48 (InvokerMessageListener)obj; 49 50 return _messageListener.equals( 51 messageListenerInvoker.getMessageListener()); 52 } 53 54 public MessageListener getMessageListener() { 55 return _messageListener; 56 } 57 58 public int hashCode() { 59 return _messageListener.hashCode(); 60 } 61 62 public void receive(Message message) { 63 Thread currentThread = Thread.currentThread(); 64 65 ClassLoader contextClassLoader = currentThread.getContextClassLoader(); 66 67 currentThread.setContextClassLoader(_classLoader); 68 69 try { 70 _messageListener.receive(message); 71 } 72 finally { 73 currentThread.setContextClassLoader(contextClassLoader); 74 } 75 } 76 77 private MessageListener _messageListener; 78 private ClassLoader _classLoader; 79 80 }