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*
* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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package org.apache.qpid.client.handler;
import org.apache.log4j.Logger;
import org.apache.qpid.AMQException;
import org.apache.qpid.AMQConnectionClosedException;
import org.apache.qpid.protocol.AMQConstant;
import org.apache.qpid.client.protocol.AMQMethodEvent;
import org.apache.qpid.client.state.AMQState;
import org.apache.qpid.client.state.AMQStateManager;
import org.apache.qpid.client.state.StateAwareMethodListener;
import org.apache.qpid.client.AMQAuthenticationException;
import org.apache.qpid.framing.ConnectionCloseBody;
import org.apache.qpid.framing.ConnectionCloseOkBody;
public class ConnectionCloseMethodHandler implements StateAwareMethodListener
{
private static final Logger _logger = Logger.getLogger(ConnectionCloseMethodHandler.class);
private static ConnectionCloseMethodHandler _handler = new ConnectionCloseMethodHandler();
public static ConnectionCloseMethodHandler getInstance()
{
return _handler;
}
private ConnectionCloseMethodHandler()
{
}
public void methodReceived(AMQStateManager stateManager, AMQMethodEvent evt) throws AMQException
{
_logger.info("ConnectionClose frame received");
ConnectionCloseBody method = (ConnectionCloseBody) evt.getMethod();
// does it matter
//stateManager.changeState(AMQState.CONNECTION_CLOSING);
int errorCode = method.replyCode;
String reason = method.replyText;
// TODO: check whether channel id of zero is appropriate
evt.getProtocolSession().writeFrame(ConnectionCloseOkBody.createAMQFrame((short)0));
if (errorCode != 200)
{
if(errorCode == AMQConstant.NOT_ALLOWED.getCode())
{
_logger.info("Authentication Error:"+Thread.currentThread().getName());
evt.getProtocolSession().closeProtocolSession();
//todo this is a bit of a fudge (could be conssidered such as each new connection needs a new state manager or at least a fresh state.
stateManager.changeState(AMQState.CONNECTION_NOT_STARTED);
throw new AMQAuthenticationException(errorCode, reason);
}
else
{
_logger.info("Connection close received with error code " + errorCode);
throw new AMQConnectionClosedException(errorCode, "Error: " + reason);
}
}
// this actually closes the connection in the case where it is not an error.
evt.getProtocolSession().closeProtocolSession();
stateManager.changeState(AMQState.CONNECTION_CLOSED);
}
}