1 files changed, 134 insertions, 0 deletions
diff --git a/java/java/client/test/src/org/apache/qpid/example/publisher/MonitorMessageDispatcher.java b/java/java/client/test/src/org/apache/qpid/example/publisher/MonitorMessageDispatcher.java
new file mode 100644
index 0000000000..e47a66cbc1
--- /dev/null
+++ b/java/java/client/test/src/org/apache/qpid/example/publisher/MonitorMessageDispatcher.java
@@ -0,0 +1,134 @@
+/*
+ * 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.publisher;
+
+import org.apache.log4j.Logger;
+import org.apache.log4j.BasicConfigurator;
+import org.apache.qpid.example.shared.Statics;
+import javax.jms.*;
+import java.util.Properties;
+
+/**
+ * Class that sends heartbeat messages to allow monitoring of message consumption
+ * Sends regular (currently 20 seconds apart) heartbeat message
+ * Author: Marnie McCormack
+ * Date: 20-Jul-2006
+ * Time: 09:56:56
+ * Copyright JPMorgan Chase 2006
+ */
+public class MonitorMessageDispatcher {
+
+    private static final Logger _logger = Logger.getLogger(MonitorMessageDispatcher.class);
+
+    private static MonitorPublisher _monitorPublisher = null;
+
+    private static final String DEFAULT_MONITOR_PUB_NAME = "MonitorPublisher";
+
+    public static void main(String[] args)
+    {
+
+        //@TODO switch on logging appropriately at your app level
+        BasicConfigurator.configure();
+
+        try
+        {
+            while(true)
+            {
+                try
+                {
+                    //endlessly publish messages to monitor queue
+                    publish();
+
+                    if (_logger.isDebugEnabled())
+                    {
+                        _logger.debug("Dispatched monitor message");
+                    }
+
+                    //sleep for twenty seconds and then publish again - change if appropriate
+                    Thread.sleep(20000);
+                }
+                catch(UndeliveredMessageException a)
+                {
+                    //@TODO trigger application specific failure handling here
+                    _logger.error("Problem delivering monitor message");
+                    break;
+                }
+            }
+        }
+        catch(Exception e)
+        {
+
+            System.err.println("Error trying to dispatch AMS monitor message: " + e);
+            System.exit(1);
+        }
+        finally
+        {
+            if (getMonitorPublisher() != null)
+            {
+               getMonitorPublisher().cleanup();
+            }
+        }
+
+        System.exit(1);
+    }
+
+    //Publish heartbeat message
+    public static void publish() throws JMSException, UndeliveredMessageException
+    {
+        //Send the message generated from the payload using the _publisher
+        getMonitorPublisher().sendImmediateMessage
+          (MessageFactory.createSimpleEventMessage(getMonitorPublisher().getSession(),"monitor:" +System.currentTimeMillis()));
+    }
+
+    //cleanup publishers
+    public static void cleanup()
+    {
+        if (getMonitorPublisher() != null)
+        {
+            getMonitorPublisher().cleanup();
+        }
+
+        if (getMonitorPublisher() != null)
+        {
+            getMonitorPublisher().cleanup();
+        }
+    }
+
+    //Returns a _publisher for the monitor queue
+    private static MonitorPublisher getMonitorPublisher()
+    {
+       if (_monitorPublisher != null)
+       {
+           return _monitorPublisher;
+       }
+
+       //Create _publisher using system properties
+       Properties props = System.getProperties();
+
+       //Create a _publisher using failover details and constant for monitor queue
+       _monitorPublisher = new MonitorPublisher(props.getProperty(Statics.HOST_PROPERTY),
+                               props.getProperty(Statics.CLIENT_PROPERTY), Statics.MONITOR_QUEUE,
+                               props.getProperty(Statics.USER_PROPERTY), props.getProperty(Statics.PWD_PROPERTY),
+                               props.getProperty(Statics.VIRTUAL_PATH_PROPERTY), props.getProperty(Statics.ARCHIVE_PATH));
+
+       _monitorPublisher.setName(MonitorMessageDispatcher.DEFAULT_MONITOR_PUB_NAME);
+       return _monitorPublisher;
+    }
+
+}