ContextClassLoaderBeanHandler.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.bean; 24 25 import java.lang.Object; 26 import java.lang.reflect.InvocationHandler; 27 import java.lang.reflect.InvocationTargetException; 28 import java.lang.reflect.Method; 29 30 /** 31 * <a href="ContextClassLoaderBeanHandler.java.html"><b><i>View Source</i></b> 32 * </a> 33 * 34 * @author Brian Wing Shun Chan 35 * 36 */ 37 public class ContextClassLoaderBeanHandler implements InvocationHandler { 38 39 public ContextClassLoaderBeanHandler(Object bean, ClassLoader classLoader) { 40 _bean = bean; 41 _classLoader = classLoader; 42 } 43 44 public Object invoke(Object proxy, Method method, Object[] args) 45 throws Throwable { 46 47 Thread currentThread = Thread.currentThread(); 48 49 ClassLoader contextClassLoader = currentThread.getContextClassLoader(); 50 51 try { 52 currentThread.setContextClassLoader(_classLoader); 53 54 return method.invoke(_bean, args); 55 } 56 catch (InvocationTargetException ite) { 57 throw ite.getTargetException(); 58 } 59 finally { 60 currentThread.setContextClassLoader(contextClassLoader); 61 } 62 } 63 64 private Object _bean; 65 private ClassLoader _classLoader; 66 67 }