Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

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));
+
+
+    }
+}