| /* |
| * |
| * 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.qpid.AMQChannelClosedException; |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.AMQInvalidRoutingKeyException; |
| import org.apache.qpid.client.AMQNoConsumersException; |
| import org.apache.qpid.client.AMQNoRouteException; |
| import org.apache.qpid.client.protocol.AMQProtocolSession; |
| import org.apache.qpid.client.state.StateAwareMethodListener; |
| import org.apache.qpid.framing.AMQFrame; |
| import org.apache.qpid.framing.AMQShortString; |
| import org.apache.qpid.framing.ChannelCloseBody; |
| import org.apache.qpid.framing.ChannelCloseOkBody; |
| import org.apache.qpid.protocol.AMQConstant; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ChannelCloseMethodHandler implements StateAwareMethodListener<ChannelCloseBody> |
| { |
| private static final Logger _logger = LoggerFactory.getLogger(ChannelCloseMethodHandler.class); |
| |
| private static ChannelCloseMethodHandler _handler = new ChannelCloseMethodHandler(); |
| |
| public static ChannelCloseMethodHandler getInstance() |
| { |
| return _handler; |
| } |
| |
| public void methodReceived(AMQProtocolSession session, ChannelCloseBody method, int channelId) |
| throws AMQException |
| { |
| _logger.debug("ChannelClose method received"); |
| |
| AMQConstant errorCode = AMQConstant.getConstant(method.getReplyCode()); |
| AMQShortString reason = method.getReplyText(); |
| if (_logger.isDebugEnabled()) |
| { |
| _logger.debug("Channel close reply code: " + errorCode + ", reason: " + reason); |
| } |
| |
| |
| |
| ChannelCloseOkBody body = session.getMethodRegistry().createChannelCloseOkBody(); |
| AMQFrame frame = body.generateFrame(channelId); |
| session.writeFrame(frame); |
| |
| if (errorCode != AMQConstant.REPLY_SUCCESS) |
| { |
| if (_logger.isDebugEnabled()) |
| { |
| _logger.debug("Channel close received with errorCode " + errorCode + ", and reason " + reason); |
| } |
| |
| if (errorCode == AMQConstant.NO_CONSUMERS) |
| { |
| throw new AMQNoConsumersException("Error: " + reason, null, null); |
| } |
| else if (errorCode == AMQConstant.NO_ROUTE) |
| { |
| throw new AMQNoRouteException("Error: " + reason, null, null); |
| } |
| else if (errorCode == AMQConstant.INVALID_ARGUMENT) |
| { |
| _logger.debug("Broker responded with Invalid Argument."); |
| |
| throw new org.apache.qpid.AMQInvalidArgumentException(String.valueOf(reason), null); |
| } |
| else if (errorCode == AMQConstant.INVALID_ROUTING_KEY) |
| { |
| _logger.debug("Broker responded with Invalid Routing Key."); |
| |
| throw new AMQInvalidRoutingKeyException(String.valueOf(reason), null); |
| } |
| else |
| { |
| throw new AMQChannelClosedException(errorCode, "Error: " + reason, null); |
| } |
| |
| } |
| // fixme why is this only done when the close is expected... |
| // should the above forced closes not also cause a close? |
| // ---------- |
| // Closing the session only when it is expected allows the errors to be processed |
| // Calling this here will prevent failover. So we should do this for all exceptions |
| // that should never cause failover. Such as authentication errors. |
| |
| session.channelClosed(channelId, errorCode, String.valueOf(reason)); |
| } |
| } |