KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > mina > example > netcat > NetCatProtocolHandler


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.example.netcat;
21
22 import org.apache.mina.common.ByteBuffer;
23 import org.apache.mina.common.IdleStatus;
24 import org.apache.mina.common.IoHandler;
25 import org.apache.mina.common.IoHandlerAdapter;
26 import org.apache.mina.common.IoSession;
27
28 /**
29  * {@link IoHandler} implementation for NetCat client. This class extended
30  * {@link IoHandlerAdapter} for convenience.
31  *
32  * @author The Apache Directory Project (mina-dev@directory.apache.org)
33  * @version $Rev: 555855 $, $Date: 2007-07-13 12:19:00 +0900 (금, 13 7월 2007) $,
34  */
35 public class NetCatProtocolHandler extends IoHandlerAdapter {
36     public void sessionOpened(IoSession session) {
37         // Set reader idle time to 10 seconds.
38 // sessionIdle(...) method will be invoked when no data is read
39 // for 10 seconds.
40 session.setIdleTime(IdleStatus.READER_IDLE, 10);
41     }
42
43     public void sessionClosed(IoSession session) {
44         // Print out total number of bytes read from the remote peer.
45 System.err.println("Total " + session.getReadBytes() + " byte(s)");
46     }
47
48     public void sessionIdle(IoSession session, IdleStatus status) {
49         // Close the connection if reader is idle.
50 if (status == IdleStatus.READER_IDLE)
51             session.close();
52     }
53
54     public void messageReceived(IoSession session, Object JavaDoc message) {
55         ByteBuffer buf = (ByteBuffer) message;
56         // Print out read buffer content.
57 while (buf.hasRemaining()) {
58             System.out.print((char) buf.get());
59         }
60         System.out.flush();
61     }
62 }
Popular Tags