001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.mina.example.proxy.telnet; 021 022import java.io.BufferedReader; 023import java.io.InputStreamReader; 024 025import org.apache.mina.core.session.IoSession; 026import org.apache.mina.proxy.AbstractProxyIoHandler; 027import org.slf4j.Logger; 028import org.slf4j.LoggerFactory; 029 030/** 031 * TelnetSessionHandler.java - Telnet session handler. 032 * 033 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 034 * @since MINA 2.0.0-M3 035 */ 036public class TelnetSessionHandler extends AbstractProxyIoHandler { 037 private final static Logger logger = LoggerFactory 038 .getLogger(TelnetSessionHandler.class); 039 040 /** 041 * Default constructor. 042 */ 043 public TelnetSessionHandler() { 044 } 045 046 /** 047 * {@inheritDoc} 048 */ 049 @Override 050 public void sessionCreated(IoSession session) throws Exception { 051 logger.debug("CLIENT - Session created: " + session); 052 } 053 054 /** 055 * {@inheritDoc} 056 */ 057 @Override 058 public void proxySessionOpened(IoSession session) throws Exception { 059 logger.debug("CLIENT - Session opened: " + session); 060 final IoSession _session = session; 061 // Enter typing loop 062 new Thread(new Runnable() { 063 public void run() { 064 InputStreamReader isr = new InputStreamReader(System.in); 065 BufferedReader br = new BufferedReader(isr); 066 067 while (!_session.isClosing()) { 068 try { 069 String line = br.readLine(); 070 if (line != null) { 071 _session.write(line); 072 } 073 } catch (Exception e) { 074 break; 075 } 076 } 077 078 _session.close(true); 079 } 080 081 }).start(); 082 } 083 084 /** 085 * {@inheritDoc} 086 */ 087 @Override 088 public void messageReceived(IoSession session, Object message) { 089 //System.out.println((String) message); 090 } 091 092 /** 093 * {@inheritDoc} 094 */ 095 @Override 096 public void sessionClosed(IoSession session) throws Exception { 097 logger.debug("CLIENT - Session closed"); 098 } 099 100 /** 101 * {@inheritDoc} 102 */ 103 @Override 104 public void exceptionCaught(IoSession session, Throwable cause) { 105 logger.debug("CLIENT - Exception caught"); 106 //cause.printStackTrace(); 107 session.close(true); 108 } 109}