| 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 }