/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.mina.example.proxy;
import java.nio.charset.Charset;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IoSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Base class of {@link org.apache.mina.core.service.IoHandler} classes which handle
* proxied connections.
*
* @author The Apache MINA Project (dev@mina.apache.org)
* @version $Rev$, $Date$
*
*/
public abstract class AbstractProxyIoHandler extends IoHandlerAdapter {
private static final Charset CHARSET = Charset.forName("iso8859-1");
public static final String OTHER_IO_SESSION = AbstractProxyIoHandler.class.getName()+".OtherIoSession";
private final Logger logger = LoggerFactory.getLogger(getClass());
@Override
public void sessionCreated(IoSession session) throws Exception {
session.suspendRead();
session.suspendWrite();
}
@Override
public void sessionClosed(IoSession session) throws Exception {
if (session.getAttribute( OTHER_IO_SESSION ) != null) {
IoSession sess = (IoSession) session.getAttribute(OTHER_IO_SESSION);
sess.setAttribute(OTHER_IO_SESSION, null);
sess.close(false);
session.setAttribute(OTHER_IO_SESSION, null);
}
}
@Override
public void messageReceived(IoSession session, Object message)
throws Exception {
IoBuffer rb = (IoBuffer) message;
IoBuffer wb = IoBuffer.allocate(rb.remaining());
rb.mark();
wb.put(rb);
wb.flip();
((IoSession) session.getAttribute(OTHER_IO_SESSION)).write(wb);
rb.reset();
logger.info(rb.getString(CHARSET.newDecoder()));
}
}