diff options
Diffstat (limited to 'qpid/java/broker/src/main/java/org/apache/qpid/server/handler/QueueUnbindHandler.java')
-rw-r--r-- | qpid/java/broker/src/main/java/org/apache/qpid/server/handler/QueueUnbindHandler.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/QueueUnbindHandler.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/QueueUnbindHandler.java new file mode 100644 index 0000000000..8391a4b184 --- /dev/null +++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/QueueUnbindHandler.java @@ -0,0 +1,123 @@ +package org.apache.qpid.server.handler; +/* + * + * 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. + * + */ + +import org.apache.log4j.Logger; +import org.apache.qpid.AMQException; +import org.apache.qpid.framing.AMQMethodBody; +import org.apache.qpid.framing.AMQShortString; +import org.apache.qpid.framing.FieldTable; +import org.apache.qpid.framing.QueueUnbindBody; +import org.apache.qpid.framing.amqp_0_9.MethodRegistry_0_9; +import org.apache.qpid.protocol.AMQConstant; +import org.apache.qpid.server.AMQChannel; +import org.apache.qpid.server.exchange.Exchange; +import org.apache.qpid.server.exchange.ExchangeRegistry; +import org.apache.qpid.server.protocol.AMQProtocolSession; +import org.apache.qpid.server.queue.AMQQueue; +import org.apache.qpid.server.queue.QueueRegistry; +import org.apache.qpid.server.state.AMQStateManager; +import org.apache.qpid.server.state.StateAwareMethodListener; +import org.apache.qpid.server.virtualhost.VirtualHost; + +public class QueueUnbindHandler implements StateAwareMethodListener<QueueUnbindBody> +{ + private static final Logger _log = Logger.getLogger(QueueUnbindHandler.class); + + private static final QueueUnbindHandler _instance = new QueueUnbindHandler(); + + public static QueueUnbindHandler getInstance() + { + return _instance; + } + + private QueueUnbindHandler() + { + } + + public void methodReceived(AMQStateManager stateManager, QueueUnbindBody body, int channelId) throws AMQException + { + AMQProtocolSession session = stateManager.getProtocolSession(); + VirtualHost virtualHost = session.getVirtualHost(); + ExchangeRegistry exchangeRegistry = virtualHost.getExchangeRegistry(); + QueueRegistry queueRegistry = virtualHost.getQueueRegistry(); + + + final AMQQueue queue; + final AMQShortString routingKey; + + if (body.getQueue() == null) + { + AMQChannel channel = session.getChannel(channelId); + + if (channel == null) + { + throw body.getChannelNotFoundException(channelId); + } + + queue = channel.getDefaultQueue(); + + if (queue == null) + { + throw body.getChannelException(AMQConstant.NOT_FOUND, "No default queue defined on channel and queue was null"); + } + + routingKey = body.getRoutingKey() == null ? null : body.getRoutingKey().intern(); + + } + else + { + queue = queueRegistry.getQueue(body.getQueue()); + routingKey = body.getRoutingKey() == null ? null : body.getRoutingKey().intern(); + } + + if (queue == null) + { + throw body.getChannelException(AMQConstant.NOT_FOUND, "Queue " + body.getQueue() + " does not exist."); + } + final Exchange exch = exchangeRegistry.getExchange(body.getExchange()); + if (exch == null) + { + throw body.getChannelException(AMQConstant.NOT_FOUND, "Exchange " + body.getExchange() + " does not exist."); + } + + if(virtualHost.getBindingFactory().getBinding(String.valueOf(routingKey), queue, exch, FieldTable.convertToMap(body.getArguments())) == null) + { + throw body.getChannelException(AMQConstant.NOT_FOUND,"No such binding"); + } + else + { + virtualHost.getBindingFactory().removeBinding(String.valueOf(routingKey), queue, exch, FieldTable.convertToMap(body.getArguments())); + } + + + if (_log.isInfoEnabled()) + { + _log.info("Binding queue " + queue + " to exchange " + exch + " with routing key " + routingKey); + } + + MethodRegistry_0_9 methodRegistry = (MethodRegistry_0_9) session.getMethodRegistry(); + AMQMethodBody responseBody = methodRegistry.createQueueUnbindOkBody(); + session.writeFrame(responseBody.generateFrame(channelId)); + + + } +} |