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20 package org.apache.mina.example.proxy;
21
22 import java.nio.charset.Charset;
23
24 import org.apache.mina.core.buffer.IoBuffer;
25 import org.apache.mina.core.service.IoHandlerAdapter;
26 import org.apache.mina.core.session.IoSession;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
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35
36 public abstract class AbstractProxyIoHandler extends IoHandlerAdapter {
37 private static final Charset CHARSET = Charset.forName("iso8859-1");
38 public static final String OTHER_IO_SESSION = AbstractProxyIoHandler.class.getName()+".OtherIoSession";
39
40 private final static Logger LOGGER = LoggerFactory.getLogger(AbstractProxyIoHandler.class);
41
42 @Override
43 public void sessionCreated(IoSession session) throws Exception {
44 session.suspendRead();
45 session.suspendWrite();
46 }
47
48 @Override
49 public void sessionClosed(IoSession session) throws Exception {
50 if (session.getAttribute( OTHER_IO_SESSION ) != null) {
51 IoSession sess = (IoSession) session.getAttribute(OTHER_IO_SESSION);
52 sess.setAttribute(OTHER_IO_SESSION, null);
53 sess.close(false);
54 session.setAttribute(OTHER_IO_SESSION, null);
55 }
56 }
57
58 @Override
59 public void messageReceived(IoSession session, Object message)
60 throws Exception {
61 IoBuffer rb = (IoBuffer) message;
62 IoBuffer wb = IoBuffer.allocate(rb.remaining());
63 rb.mark();
64 wb.put(rb);
65 wb.flip();
66 ((IoSession) session.getAttribute(OTHER_IO_SESSION)).write(wb);
67 rb.reset();
68 LOGGER.info(rb.getString(CHARSET.newDecoder()));
69 }
70 }