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  }