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Java > Open Source Codes > org > apache > mina > filter > LoggingFilter


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements. See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership. The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License. You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing,
13  * software distributed under the License is distributed on an
14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15  * KIND, either express or implied. See the License for the
16  * specific language governing permissions and limitations
17  * under the License.
18  *
19  */
20 package org.apache.mina.filter;
21
22 import org.apache.mina.common.IdleStatus;
23 import org.apache.mina.common.IoFilterAdapter;
24 import org.apache.mina.common.IoSession;
25 import org.apache.mina.util.SessionLog;
26 import org.slf4j.Logger;
27
28 /**
29  * Logs all MINA protocol events to {@link Logger}.
30  *
31  * @author The Apache Directory Project (mina-dev@directory.apache.org)
32  * @version $Rev: 556786 $, $Date: 2007-07-17 10:15:29 +0900 (화, 17 7월 2007) $
33  *
34  * @see SessionLog
35  */
36 public class LoggingFilter extends IoFilterAdapter {
37     /**
38      * Session attribute key: prefix string
39      */
40     public static final String JavaDoc PREFIX = SessionLog.PREFIX;
41
42     /**
43      * Session attribute key: {@link Logger}
44      */
45     public static final String JavaDoc LOGGER = SessionLog.LOGGER;
46
47     /**
48      * Creates a new instance.
49      */
50     public LoggingFilter() {
51     }
52
53     public void sessionCreated(NextFilter nextFilter, IoSession session) {
54         SessionLog.info(session, "CREATED");
55         nextFilter.sessionCreated(session);
56     }
57
58     public void sessionOpened(NextFilter nextFilter, IoSession session) {
59         SessionLog.info(session, "OPENED");
60         nextFilter.sessionOpened(session);
61     }
62
63     public void sessionClosed(NextFilter nextFilter, IoSession session) {
64         SessionLog.info(session, "CLOSED");
65         nextFilter.sessionClosed(session);
66     }
67
68     public void sessionIdle(NextFilter nextFilter, IoSession session,
69             IdleStatus status) {
70         if (SessionLog.isInfoEnabled(session)) {
71             SessionLog.info(session, "IDLE: " + status);
72         }
73         nextFilter.sessionIdle(session, status);
74     }
75
76     public void exceptionCaught(NextFilter nextFilter, IoSession session,
77             Throwable JavaDoc cause) {
78         if (SessionLog.isWarnEnabled(session)) {
79             SessionLog.warn(session, "EXCEPTION:", cause);
80         }
81         nextFilter.exceptionCaught(session, cause);
82     }
83
84     public void messageReceived(NextFilter nextFilter, IoSession session,
85             Object JavaDoc message) {
86         if (SessionLog.isInfoEnabled(session)) {
87             SessionLog.info(session, "RECEIVED: " + message);
88         }
89         nextFilter.messageReceived(session, message);
90     }
91
92     public void messageSent(NextFilter nextFilter, IoSession session,
93             Object JavaDoc message) {
94         if (SessionLog.isInfoEnabled(session)) {
95             SessionLog.info(session, "SENT: " + message);
96         }
97         nextFilter.messageSent(session, message);
98     }
99
100     public void filterWrite(NextFilter nextFilter, IoSession session,
101             WriteRequest writeRequest) {
102         if (SessionLog.isInfoEnabled(session)) {
103             SessionLog.info(session, "WRITE: " + writeRequest);
104         }
105         nextFilter.filterWrite(session, writeRequest);
106     }
107
108     public void filterClose(NextFilter nextFilter, IoSession session)
109             throws Exception JavaDoc {
110         SessionLog.info(session, "CLOSE");
111         nextFilter.filterClose(session);
112     }
113 }
114
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