LogAdvice.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 /** 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 2009 Sun Microsystems Inc. All rights reserved. 40 */ 41 42 package com.liferay.portal.spring.aop; 43 44 import com.liferay.portal.kernel.log.Log; 45 import com.liferay.portal.kernel.log.LogFactoryUtil; 46 47 import java.util.HashMap; 48 import java.util.Map; 49 50 import org.aspectj.lang.ProceedingJoinPoint; 51 52 /** 53 * <a href="LogAdvice.java.html"><b><i>View Source</i></b></a> 54 * 55 * @author Karthik Sudarshan 56 * @author Brian Wing Shun Chan 57 * @author Michael Young 58 * 59 */ 60 public class LogAdvice { 61 62 public Object invoke(ProceedingJoinPoint proceedingJoinPoint) 63 throws Throwable { 64 65 String typeName = proceedingJoinPoint.getTarget().getClass().getName(); 66 67 Log log = getLog(typeName); 68 69 if (log.isInfoEnabled()) { 70 log.info("Before " + typeName); 71 } 72 73 Object returnVal = proceedingJoinPoint.proceed(); 74 75 if (log.isInfoEnabled()) { 76 log.info("After " + typeName); 77 } 78 79 return returnVal; 80 } 81 82 protected Log getLog(String typeName) { 83 Log log = _logs.get(typeName); 84 85 if (log == null) { 86 log = LogFactoryUtil.getLog(typeName); 87 88 _logs.put(typeName, log); 89 } 90 91 return log; 92 } 93 94 private static Map<String, Log> _logs = new HashMap<String, Log>(); 95 96 }