LogInterceptor.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 /** 24 * The contents of this file are subject to the terms of the Common Development 25 * and Distribution License (the License). You may not use this file except in 26 * compliance with the License. 27 * 28 * You can obtain a copy of the License at http://www.sun.com/cddl/cddl.html and 29 * legal/CDDLv1.0.txt. See the License for the specific language governing 30 * permission and limitations under the License. 31 * 32 * When distributing Covered Code, include this CDDL Header Notice in each file 33 * and include the License file at legal/CDDLv1.0.txt. 34 * 35 * If applicable, add the following below the CDDL Header, with the fields 36 * enclosed by brackets [] replaced by your own identifying information: 37 * "Portions Copyrighted [year] [name of copyright owner]" 38 * 39 * Copyright 2008 Sun Microsystems Inc. All rights reserved. 40 */ 41 42 package com.liferay.portal.spring.aop; 43 44 import java.lang.reflect.Method; 45 46 import java.util.HashMap; 47 import java.util.Map; 48 49 import org.apache.commons.logging.Log; 50 import org.apache.commons.logging.LogFactory; 51 52 import org.springframework.aop.AfterReturningAdvice; 53 import org.springframework.aop.MethodBeforeAdvice; 54 55 /** 56 * <a href="LogInterceptor.java.html"><b><i>View Source</i></b></a> 57 * 58 * @author Karthik Sudarshan 59 * @author Brian Wing Shun Chan 60 * 61 */ 62 public class LogInterceptor 63 implements AfterReturningAdvice, MethodBeforeAdvice { 64 65 public void afterReturning( 66 Object returnValue, Method method, Object[] args, Object target) 67 throws Throwable { 68 69 Log log = getLog(method); 70 71 if (log.isInfoEnabled()) { 72 log.info("After " + method.getName()); 73 } 74 } 75 76 public void before(Method method, Object[] args, Object target) 77 throws Throwable { 78 79 Log log = getLog(method); 80 81 if (log.isInfoEnabled()) { 82 log.info("Before " + method.getName()); 83 } 84 } 85 86 protected Log getLog(Method method) { 87 Class classObj = method.getDeclaringClass(); 88 89 Log log = _logs.get(classObj.getName()); 90 91 if (log == null) { 92 log = LogFactory.getLog(classObj); 93 94 _logs.put(classObj.getName(), log); 95 } 96 97 return log; 98 } 99 100 private static Map<String, Log> _logs = new HashMap<String, Log>(); 101 102 }