1 | /* |
2 | * @(#) $Id: EchoProtocolHandler.java 264677 2005-08-30 02:44:35Z 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.examples.echoserver; |
20 | |
21 | import org.apache.mina.common.ByteBuffer; |
22 | import org.apache.mina.common.SessionConfig; |
23 | import org.apache.mina.io.IoHandler; |
24 | import org.apache.mina.io.IoHandlerAdapter; |
25 | import org.apache.mina.io.IoSession; |
26 | import org.apache.mina.io.socket.SocketSessionConfig; |
27 | |
28 | /** |
29 | * {@link IoHandler} implementation for echo server. |
30 | * |
31 | * @author Trustin Lee (trustin@apache.org) |
32 | * @version $Rev: 264677 $, $Date: 2005-08-30 11:44:35 +0900 $, |
33 | */ |
34 | public class EchoProtocolHandler extends IoHandlerAdapter |
35 | { |
36 | public void sessionCreated( IoSession session ) |
37 | { |
38 | SessionConfig cfg = session.getConfig(); |
39 | if( cfg instanceof SocketSessionConfig ) |
40 | { |
41 | ( ( SocketSessionConfig ) cfg ).setSessionReceiveBufferSize( 2048 ); |
42 | } |
43 | } |
44 | |
45 | public void exceptionCaught( IoSession session, Throwable cause ) |
46 | { |
47 | session.close(); |
48 | } |
49 | |
50 | public void dataRead( IoSession session, ByteBuffer rb ) |
51 | { |
52 | // Write the received data back to remote peer |
53 | ByteBuffer wb = ByteBuffer.allocate( rb.remaining() ); |
54 | wb.put( rb ); |
55 | wb.flip(); |
56 | session.write( wb, null ); |
57 | } |
58 | } |