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/*
*
* 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.qpid.client.handler;
import org.apache.log4j.Logger;
import org.apache.qpid.AMQChannelClosedException;
import org.apache.qpid.AMQException;
import org.apache.qpid.AMQInvalidSelectorException;
import org.apache.qpid.client.AMQNoConsumersException;
import org.apache.qpid.client.AMQNoRouteException;
import org.apache.qpid.protocol.AMQConstant;
import org.apache.qpid.protocol.AMQMethodEvent;
import org.apache.qpid.client.protocol.AMQProtocolSession;
import org.apache.qpid.client.state.AMQStateManager;
import org.apache.qpid.client.state.StateAwareMethodListener;
import org.apache.qpid.framing.AMQFrame;
import org.apache.qpid.framing.ChannelCloseBody;
import org.apache.qpid.framing.ChannelCloseOkBody;
import org.apache.qpid.framing.AMQShortString;
public class ChannelCloseMethodHandler implements StateAwareMethodListener
{
private static final Logger _logger = Logger.getLogger(ChannelCloseMethodHandler.class);
private static ChannelCloseMethodHandler _handler = new ChannelCloseMethodHandler();
public static ChannelCloseMethodHandler getInstance()
{
return _handler;
}
public void methodReceived(AMQStateManager stateManager, AMQProtocolSession protocolSession, AMQMethodEvent evt) throws AMQException
{
_logger.debug("ChannelClose method received");
ChannelCloseBody method = (ChannelCloseBody) evt.getMethod();
int errorCode = method.replyCode;
AMQShortString reason = method.replyText;
if (_logger.isDebugEnabled())
{
_logger.debug("Channel close reply code: " + errorCode + ", reason: " + reason);
}
// TODO: Be aware of possible changes to parameter order as versions change.
AMQFrame frame = ChannelCloseOkBody.createAMQFrame(evt.getChannelId(), method.getMajor(), method.getMinor());
protocolSession.writeFrame(frame);
if (errorCode != AMQConstant.REPLY_SUCCESS.getCode())
{
_logger.error("Channel close received with errorCode " + errorCode + ", and reason " + reason);
if (errorCode == AMQConstant.NO_CONSUMERS.getCode())
{
throw new AMQNoConsumersException("Error: " + reason, null);
}
else if (errorCode == AMQConstant.NO_ROUTE.getCode())
{
throw new AMQNoRouteException("Error: " + reason, null);
}
else if (errorCode == AMQConstant.INVALID_SELECTOR.getCode())
{
_logger.info("Broker responded with Invalid Selector.");
throw new AMQInvalidSelectorException(String.valueOf(reason));
}
else
{
throw new AMQChannelClosedException(errorCode, "Error: " + reason);
}
}
protocolSession.channelClosed(evt.getChannelId(), errorCode, String.valueOf(reason));
}
}
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