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1   /*
2    *   @(#) $Id: ProtocolHandlerAdapter.java 210062 2005-07-11 03:52:38Z trustin $
3    *
4    *   Copyright 2004 The Apache Software Foundation
5    *
6    *   Licensed under the Apache License, Version 2.0 (the "License");
7    *   you may not use this file except in compliance with the License.
8    *   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, software
13   *   distributed under the License is distributed on an "AS IS" BASIS,
14   *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   *   See the License for the specific language governing permissions and
16   *   limitations under the License.
17   *
18   */
19  package org.apache.mina.protocol;
20  
21  import org.apache.mina.common.IdleStatus;
22  import org.apache.mina.util.SessionUtil;
23  
24  /***
25   * An abstract adapter class for {@link ProtocolHandler}.  You can extend this
26   * class and selectively override required event handler methods only.  All
27   * methods do nothing by default. 
28   * 
29   * @author Trustin Lee (trustin@apache.org)
30   * @version $Rev: 210062 $, $Date: 2005-07-11 12:52:38 +0900 $
31   */
32  public class ProtocolHandlerAdapter implements ProtocolHandler
33  {
34      public void sessionCreated( ProtocolSession session ) throws Exception
35      {
36          SessionUtil.initialize( session );
37      }
38  
39      public void sessionOpened( ProtocolSession session ) throws Exception
40      {
41      }
42  
43      public void sessionClosed( ProtocolSession session ) throws Exception
44      {
45      }
46  
47      public void sessionIdle( ProtocolSession session, IdleStatus status ) throws Exception
48      {
49      }
50  
51      public void exceptionCaught( ProtocolSession session, Throwable cause ) throws Exception
52      {
53      }
54  
55      public void messageReceived( ProtocolSession session, Object message ) throws Exception
56      {
57      }
58  
59      public void messageSent( ProtocolSession session, Object message ) throws Exception
60      {
61      }
62  }