01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
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.IoBuffer;
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 MINA Project (dev@mina.apache.org)
33: * @version $Rev: 581234 $, $Date: 2007-10-02 07:39:48 -0600 (Tue, 02 Oct 2007) $,
34: */
35: public class NetCatProtocolHandler extends IoHandlerAdapter {
36: @Override
37: public void sessionOpened(IoSession session) {
38: // Set reader idle time to 10 seconds.
39: // sessionIdle(...) method will be invoked when no data is read
40: // for 10 seconds.
41: session.getConfig().setIdleTime(IdleStatus.READER_IDLE, 10);
42: }
43:
44: @Override
45: public void sessionClosed(IoSession session) {
46: // Print out total number of bytes read from the remote peer.
47: System.err.println("Total " + session.getReadBytes()
48: + " byte(s)");
49: }
50:
51: @Override
52: public void sessionIdle(IoSession session, IdleStatus status) {
53: // Close the connection if reader is idle.
54: if (status == IdleStatus.READER_IDLE) {
55: session.close();
56: }
57: }
58:
59: @Override
60: public void messageReceived(IoSession session, Object message) {
61: IoBuffer buf = (IoBuffer) message;
62: // Print out read buffer content.
63: while (buf.hasRemaining()) {
64: System.out.print((char) buf.get());
65: }
66: System.out.flush();
67: }
68: }
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