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Java > Open Source Codes > org > apache > mina > handler > multiton > SingleSessionIoHandlerAdapter


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.handler.multiton;
21
22 import org.apache.mina.common.IdleStatus;
23 import org.apache.mina.common.IoSession;
24 import org.apache.mina.util.SessionUtil;
25
26 /**
27  * Adapter class for implementors of the {@link SingleSessionIoHandler}
28  * interface. The session to which the handler is assigned is accessible
29  * through the {@link #getSession()} method.
30  *
31  * @author The Apache Directory Project (mina-dev@directory.apache.org)
32  * @version $Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (금, 13 7월 2007) $
33  */
34 public class SingleSessionIoHandlerAdapter implements SingleSessionIoHandler {
35
36     /**
37      * The session to which the handler is assigned.
38      */
39     private final IoSession session;
40
41     /**
42      * Creates a new instance that is assigned to the passed in session.
43      *
44      * @param session the session to which the handler is assigned
45      */
46     public SingleSessionIoHandlerAdapter(IoSession session) {
47         if (session == null) {
48             throw new NullPointerException JavaDoc("session");
49         }
50         this.session = session;
51     }
52
53     /**
54      * Retrieves the session to which this handler is assigned.
55      *
56      * @return the session
57      */
58     protected IoSession getSession() {
59         return session;
60     }
61
62     public void exceptionCaught(Throwable JavaDoc th) throws Exception JavaDoc {
63     }
64
65     public void messageReceived(Object JavaDoc message) throws Exception JavaDoc {
66     }
67
68     public void messageSent(Object JavaDoc message) throws Exception JavaDoc {
69     }
70
71     public void sessionClosed() throws Exception JavaDoc {
72     }
73
74     public void sessionCreated() throws Exception JavaDoc {
75         SessionUtil.initialize(getSession());
76     }
77
78     public void sessionIdle(IdleStatus status) throws Exception JavaDoc {
79     }
80
81     public void sessionOpened() throws Exception JavaDoc {
82     }
83 }
84
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