BeanInterceptor.java |
1 /** 2 * Copyright (c) 2000-2008 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.spring.aop; 24 25 import org.aopalliance.intercept.MethodInterceptor; 26 import org.aopalliance.intercept.MethodInvocation; 27 28 /** 29 * <a href="BeanInterceptor.java.html"><b><i>View Source</i></b></a> 30 * 31 * @author Brian Wing Shun Chan 32 * 33 */ 34 public class BeanInterceptor implements MethodInterceptor { 35 36 public Object invoke(MethodInvocation invocation) throws Throwable { 37 ClassLoader contextClassLoader = 38 Thread.currentThread().getContextClassLoader(); 39 40 try { 41 if ((_classLoader != null) && 42 (contextClassLoader != _classLoader)) { 43 44 Thread.currentThread().setContextClassLoader(_classLoader); 45 } 46 47 return invocation.proceed(); 48 } 49 catch (Throwable t) { 50 if (_exceptionSafe) { 51 return null; 52 } 53 else { 54 throw t; 55 } 56 } 57 finally { 58 if ((_classLoader != null) && 59 (contextClassLoader != _classLoader)) { 60 61 Thread.currentThread().setContextClassLoader( 62 contextClassLoader); 63 } 64 } 65 } 66 67 public void setClassLoader(ClassLoader classLoader) { 68 _classLoader = classLoader; 69 } 70 71 public void setExceptionSafe(boolean exceptionSafe) { 72 _exceptionSafe = exceptionSafe; 73 } 74 75 private ClassLoader _classLoader; 76 private boolean _exceptionSafe; 77 78 }