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, 149 insertions, 0 deletions

diff --git a/qpid/java/management/example/src/main/java/org/apache/qpid/example/jmxexample/AddQueue.java b/qpid/java/management/example/src/main/java/org/apache/qpid/example/jmxexample/AddQueue.java
new file mode 100644
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--- /dev/null
+++ b/qpid/java/management/example/src/main/java/org/apache/qpid/example/jmxexample/AddQueue.java
@@ -0,0 +1,149 @@
+/*
+ *  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.example.jmxexample;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import javax.management.MBeanServerConnection;
+import javax.management.MBeanServerInvocationHandler;
+import javax.management.ObjectName;
+import javax.management.remote.JMXConnector;
+import javax.management.remote.JMXConnectorFactory;
+import javax.management.remote.JMXServiceURL;
+
+import org.apache.qpid.management.common.mbeans.ManagedBroker;
+import org.apache.qpid.management.common.mbeans.ManagedExchange;
+
+public class AddQueue
+{
+
+    public static void main(String[] args)
+    {
+        //Example: add 'newqueue' to the 'test' virtualhost and bind to the 'amq.direct' exchange
+        //TODO: take these parameters as arguments
+        
+        addQueue("test", "amq.direct", "newqueue");
+    }
+    
+    private static JMXConnector getJMXConnection() throws Exception
+    {
+        //TODO: Take these parameters as main+method arguments
+        String host = "localhost";
+        int port = 8999;
+        String username = "admin";
+        String password = "admin";
+        
+        Map<String, Object> env = new HashMap<String, Object>();
+        JMXServiceURL jmxUrl = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://" + host + ":" + port + "/jmxrmi");
+
+        //Add user credential's to environment map for RMIConnector startup. 
+        env.put(JMXConnector.CREDENTIALS, new String[] {username,password});
+        
+        return JMXConnectorFactory.connect(jmxUrl, env);
+    }
+    
+    public static boolean addQueue(String virHost, String exchName, String queueName) {
+
+        JMXConnector jmxc = null;
+        try 
+        {
+            jmxc = getJMXConnection();
+            
+            MBeanServerConnection mbsc = jmxc.getMBeanServerConnection();
+
+            ObjectName hostManagerObjectName = new ObjectName( 
+                    "org.apache.qpid:" + 
+                    "type=VirtualHost.VirtualHostManager," + 
+                    "VirtualHost=" + virHost + ",*"); 
+
+            Set<ObjectName> vhostManagers = mbsc.queryNames(hostManagerObjectName, null);
+            
+            if(vhostManagers.size() == 0)
+            {
+                //The vhostManager MBean wasnt found, cant procede
+                return false;
+            }
+            
+            ManagedBroker vhostManager = (ManagedBroker) MBeanServerInvocationHandler.newProxyInstance(
+                                              mbsc, (ObjectName) vhostManagers.toArray()[0], ManagedBroker.class, false);
+                        
+            ObjectName customExchangeObjectName = new ObjectName(
+                    "org.apache.qpid:" +
+                    "type=VirtualHost.Exchange," +
+                    "VirtualHost=" + virHost + "," +
+                    "name=" + exchName + "," + 
+                    "ExchangeType=direct,*");
+
+            Set<ObjectName> exchanges = mbsc.queryNames(customExchangeObjectName, null);
+            
+            if(exchanges.size() == 0)
+            {
+                //The exchange doesnt exist, cant procede.
+                return false;
+            }
+
+            //create the MBean proxy
+            ManagedExchange managedExchange = (ManagedExchange) MBeanServerInvocationHandler.newProxyInstance(
+                        mbsc, (ObjectName) exchanges.toArray()[0], ManagedExchange.class, false);
+              
+            try
+            {
+                //create the new durable queue and bind it.
+                vhostManager.createNewQueue(queueName, null, true);
+                managedExchange.createNewBinding(queueName,queueName);
+            }
+            catch (Exception e)
+            {
+                System.out.println("Could not add queue due to exception :" + e.getMessage());
+                e.printStackTrace();
+                return false;
+            }
+
+            return true;
+
+        }
+        catch (Exception e)
+        {
+            System.out.println("Could not add queue due to error :" + e.getMessage());
+            e.printStackTrace();
+        } 
+        finally
+        {
+            if(jmxc != null)
+            {
+                try
+                {
+                    jmxc.close();
+                }
+                catch (IOException e)
+                {
+                    //ignore
+                }
+            }
+        }
+                
+        return false;
+        
+    }
+
+}