1 files changed, 82 insertions, 0 deletions
diff --git a/java/java/broker/src/org/apache/qpid/server/handler/ExchangeDeclareHandler.java b/java/java/broker/src/org/apache/qpid/server/handler/ExchangeDeclareHandler.java
new file mode 100644
index 0000000000..b7c75e290a
--- /dev/null
+++ b/java/java/broker/src/org/apache/qpid/server/handler/ExchangeDeclareHandler.java
@@ -0,0 +1,82 @@
+/*
+ *
+ * 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.server.handler;
+
+import org.apache.log4j.Logger;
+import org.apache.qpid.AMQException;
+import org.apache.qpid.framing.AMQFrame;
+import org.apache.qpid.framing.ExchangeDeclareBody;
+import org.apache.qpid.framing.ExchangeDeclareOkBody;
+import org.apache.qpid.server.exchange.Exchange;
+import org.apache.qpid.server.exchange.ExchangeRegistry;
+import org.apache.qpid.server.exchange.ExchangeFactory;
+import org.apache.qpid.server.protocol.AMQMethodEvent;
+import org.apache.qpid.server.protocol.AMQProtocolSession;
+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.registry.ApplicationRegistry;
+
+public class ExchangeDeclareHandler implements StateAwareMethodListener<ExchangeDeclareBody>
+{
+    private static final Logger _logger = Logger.getLogger(ExchangeDeclareHandler.class);
+
+    private static final ExchangeDeclareHandler _instance = new ExchangeDeclareHandler();
+
+    public static ExchangeDeclareHandler getInstance()
+    {
+        return _instance;
+    }
+
+    private final ExchangeFactory exchangeFactory;
+
+    private ExchangeDeclareHandler()
+    {
+        exchangeFactory = ApplicationRegistry.getInstance().getExchangeFactory();
+    }
+
+    public void methodReceived(AMQStateManager stateManager, QueueRegistry queueRegistry,
+                               ExchangeRegistry exchangeRegistry, AMQProtocolSession protocolSession,
+                               AMQMethodEvent<ExchangeDeclareBody> evt) throws AMQException
+    {
+        final ExchangeDeclareBody body = evt.getMethod();
+        if (_logger.isDebugEnabled())
+        {
+            _logger.debug("Request to declare exchange of type " + body.type + " with name " + body.exchange);
+        }
+        synchronized(exchangeRegistry)
+        {
+            Exchange exchange = exchangeRegistry.getExchange(body.exchange);
+
+            if (exchange == null)
+            {
+                exchange = exchangeFactory.createExchange(body.exchange, body.type, body.durable,
+                                                          body.passive, body.ticket);
+                exchangeRegistry.registerExchange(exchange);
+            }
+        }
+        if(!body.nowait)
+        {
+            AMQFrame response = ExchangeDeclareOkBody.createAMQFrame(evt.getChannelId());
+            protocolSession.writeFrame(response);
+        }
+    }
+}