1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.commons.proxy.interceptor.logging;
19
20 import org.apache.commons.logging.LogFactory;
21 import org.apache.commons.logging.Log;
22
23 /**
24 * An interceptor which logs method invocations using an <a href="http://commons.apache.org/logging">Apache Commons
25 * Logging</a> {@link Log} object at the "trace" level.
26 *
27 * @auothor James Carman
28 * @since 1.1
29 */
30 public class CommonsLoggingInterceptor extends AbstractLoggingInterceptor
31 {
32 //**********************************************************************************************************************
33 // Fields
34 //**********************************************************************************************************************
35
36 private final String logName;
37
38 //**********************************************************************************************************************
39 // Constructors
40 //**********************************************************************************************************************
41
42 public CommonsLoggingInterceptor( String logName )
43 {
44 this.logName = logName;
45 }
46
47 public CommonsLoggingInterceptor(Class clazz)
48 {
49 this(clazz.getName());
50 }
51
52 //**********************************************************************************************************************
53 // Other Methods
54 //**********************************************************************************************************************
55
56 private Log getLog()
57 {
58 return LogFactory.getLog(logName);
59 }
60
61 protected boolean isLoggingEnabled()
62 {
63 return getLog().isTraceEnabled();
64 }
65
66 protected void logMessage( String message )
67 {
68 getLog().trace(message);
69 }
70
71 protected void logMessage( String message, Throwable t )
72 {
73 getLog().trace(message, t);
74 }
75 }