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.proxy.telnet;
21
22 import java.io.BufferedReader;
23 import java.io.InputStreamReader;
24
25 import org.apache.mina.core.session.IoSession;
26 import org.apache.mina.proxy.AbstractProxyIoHandler;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
29
30 /**
31 * TelnetSessionHandler.java - Telnet session handler.
32 *
33 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
34 * @since MINA 2.0.0-M3
35 */
36 public class TelnetSessionHandler extends AbstractProxyIoHandler {
37 private final static Logger logger = LoggerFactory
38 .getLogger(TelnetSessionHandler.class);
39
40 /**
41 * Default constructor.
42 */
43 public TelnetSessionHandler() {
44 }
45
46 /**
47 * {@inheritDoc}
48 */
49 @Override
50 public void sessionCreated(IoSession session) throws Exception {
51 logger.debug("CLIENT - Session created: " + session);
52 }
53
54 /**
55 * {@inheritDoc}
56 */
57 @Override
58 public void proxySessionOpened(IoSession session) throws Exception {
59 logger.debug("CLIENT - Session opened: " + session);
60 final IoSession _session = session;
61 // Enter typing loop
62 new Thread(new Runnable() {
63 public void run() {
64 InputStreamReader isr = new InputStreamReader(System.in);
65 BufferedReader br = new BufferedReader(isr);
66
67 while (!_session.isClosing()) {
68 try {
69 String line = br.readLine();
70 if (line != null) {
71 _session.write(line);
72 }
73 } catch (Exception e) {
74 break;
75 }
76 }
77
78 _session.closeNow();
79 }
80
81 }).start();
82 }
83
84 /**
85 * {@inheritDoc}
86 */
87 @Override
88 public void messageReceived(IoSession session, Object message) {
89 //System.out.println((String) message);
90 }
91
92 /**
93 * {@inheritDoc}
94 */
95 @Override
96 public void sessionClosed(IoSession session) throws Exception {
97 logger.debug("CLIENT - Session closed");
98 }
99
100 /**
101 * {@inheritDoc}
102 */
103 @Override
104 public void exceptionCaught(IoSession session, Throwable cause) {
105 logger.debug("CLIENT - Exception caught");
106 //cause.printStackTrace();
107 session.closeNow();
108 }
109 }