This example is written to interoperate with the c++ and python examples and looksup a destination defined in the properties file. The destination defines a fannout exchange and a queue

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@612597 13f79535-47bb-0310-9956-ffa450edef68

4 files changed, 532 insertions, 0 deletions

diff --git a/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/Consumer.java b/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/Consumer.java
new file mode 100755
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--- /dev/null
+++ b/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/Consumer.java
@@ -0,0 +1,163 @@
+/*
+ *
+ * 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.jmsexample.fanout;
+
+import java.util.Properties;
+
+import javax.jms.BytesMessage;
+import javax.jms.Connection;
+import javax.jms.ConnectionFactory;
+import javax.jms.Destination;
+import javax.jms.ExceptionListener;
+import javax.jms.JMSException;
+import javax.jms.Message;
+import javax.jms.MessageConsumer;
+import javax.jms.Session;
+import javax.jms.TextMessage;
+import javax.naming.Context;
+import javax.naming.InitialContext;
+
+/**
+ * The example creates a MessageConsumer on the specified
+ * Queue which is used to synchronously consume messages.
+ */
+public class Consumer
+{
+    /**
+     * Used in log output.
+     */
+    private static final String CLASS = "Consumer";
+
+    /**
+     * Create a Consumer client.
+     *
+     * @param args Command line arguments.
+     */
+    public Consumer()
+    {
+    }
+
+    /**
+     * Run the message consumer example.
+     *
+     * @param args Command line arguments.
+     */
+    public static void main(String[] args)
+    {
+        //_options.put("-queueName", "Queue name");
+        //_defaults.put("-queueName", "message_queue");
+        Consumer syncConsumer = new Consumer();
+        syncConsumer.runTest();
+    }
+
+    /**
+     * Start the example.
+     */
+    private void runTest()
+    {
+        try
+        {
+            // Load JNDI properties
+            Properties properties = new Properties();
+            properties.load(this.getClass().getResourceAsStream("direct.properties"));
+
+            //Create the initial context
+            Context ctx = new InitialContext(properties);
+
+            // look up destination
+            Destination destination = (Destination)ctx.lookup("directQueue");
+
+            // Lookup the connection factory
+            ConnectionFactory conFac = (ConnectionFactory)ctx.lookup("local");
+            // create the connection
+            Connection connection = conFac.createConnection();
+
+            // As this application is using a MessageConsumer we need to set an ExceptionListener on the connection
+            // so that errors raised within the JMS client library can be reported to the application
+            System.out.println(
+                    CLASS + ": Setting an ExceptionListener on the connection as sample uses a MessageConsumer");
+
+            connection.setExceptionListener(new ExceptionListener()
+            {
+                public void onException(JMSException jmse)
+                {
+                    // The connection may have broken invoke reconnect code if available.
+                    // The connection may have broken invoke reconnect code if available.
+                    System.err.println(CLASS + ": The sample received an exception through the ExceptionListener");
+                    System.exit(0);
+                }
+            });
+
+            // Create a session on the connection
+            // This session is a default choice of non-transacted and uses the auto acknowledge feature of a session.
+            System.out.println(CLASS + ": Creating a non-transacted, auto-acknowledged session");
+            Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+
+            // Create a MessageConsumer
+            System.out.println(CLASS + ": Creating a MessageConsumer");
+            MessageConsumer messageConsumer = session.createConsumer(destination);
+
+            // Now the messageConsumer is set up we can start the connection
+            System.out.println(CLASS + ": Starting connection so MessageConsumer can receive messages");
+            connection.start();
+
+            // Cycle round until all the messages are consumed.
+            Message message;
+            boolean end = false;
+            while (!end)
+            {
+                message = messageConsumer.receive();
+                String text = "";
+                if (message instanceof TextMessage)
+                {
+                    text = ((TextMessage) message).getText();
+                }
+                else
+                {
+                    byte[] body = new byte[(int) ((BytesMessage) message).getBodyLength()];
+                    ((BytesMessage) message).readBytes(body);
+                    text = new String(body);
+                }
+                if (text.equals("That's all, folks!"))
+                {
+                    System.out.println(CLASS + ": Received final message " + text);
+                    end = true;
+                }
+                else
+                {
+                    System.out.println(CLASS + ": Received  message:  " + text);
+                }
+            }
+
+            // Close the connection to the server
+            System.out.println(CLASS + ": Closing connection");
+            connection.close();
+
+            // Close the JNDI reference
+            System.out.println(CLASS + ": Closing JNDI context");
+            ctx.close();
+        }
+        catch (Exception exp)
+        {
+            System.err.println(CLASS + ": Caught an Exception: " + exp);
+        }
+    }
+}
diff --git a/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/Listener.java b/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/Listener.java
new file mode 100755
index 0000000000..d7d2956dbb
--- /dev/null
+++ b/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/Listener.java
@@ -0,0 +1,210 @@
+/*
+ *
+ * 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.jmsexample.fanout;
+
+import java.util.Properties;
+
+import org.apache.qpid.example.jmsexample.common.BaseExample;
+
+import javax.jms.*;
+import javax.naming.Context;
+import javax.naming.InitialContext;
+
+/**
+ * The example creates a MessageConsumer on the specified
+ * Queue and uses a MessageListener with this MessageConsumer
+ * in order to enable asynchronous delivery.
+ */
+public class Listener implements MessageListener
+{
+    /* Used in log output. */
+    private static final String CLASS = "Listener";
+
+    /**
+     * An object to synchronize on.
+     */
+    private final static Object _lock = new Object();
+
+    /**
+     * A boolean to indicate a clean finish.
+     */
+    private static boolean _finished = false;
+
+    /**
+     * A boolean to indicate an unsuccesful finish.
+     */
+    private static boolean _failed = false;
+
+    /**
+     * Create an Listener client.
+     *
+     * @param args Command line arguments.
+     */
+    public Listener()
+    {
+        //super(CLASS, args);
+        //_queueName = _argProcessor.getStringArgument("-queueName");
+    }
+
+    /**
+     * Run the message consumer example.
+     *
+     * @param args Command line arguments.
+     */
+    public static void main(String[] args)
+    {
+        //_options.put("-queueName", "Queue name");
+        //_defaults.put("-queueName", "message_queue");
+        Listener listener = new Listener();
+        listener.runTest();
+    }
+
+    /**
+     * Start the example.
+     */
+    private void runTest()
+    {
+        try
+        {
+            Properties properties = new Properties();
+            properties.load(this.getClass().getResourceAsStream("direct.properties"));
+
+            //Create the initial context
+            Context ctx = new InitialContext(properties);
+
+            Destination destination = (Destination)ctx.lookup("directQueue");
+
+            // Declare the connection
+            ConnectionFactory conFac = (ConnectionFactory)ctx.lookup("local");
+            Connection connection = conFac.createConnection();
+
+            // As this application is using a MessageConsumer we need to set an ExceptionListener on the connection
+            // so that errors raised within the JMS client library can be reported to the application
+            System.out.println(
+                    CLASS + ": Setting an ExceptionListener on the connection as sample uses a MessageConsumer");
+
+            connection.setExceptionListener(new ExceptionListener()
+            {
+                public void onException(JMSException jmse)
+                {
+                    // The connection may have broken invoke reconnect code if available.
+                    System.err.println(CLASS + ": The sample received an exception through the ExceptionListener");
+                    System.exit(0);
+                }
+            });
+
+            // Create a session on the connection
+            // This session is a default choice of non-transacted and uses
+            // the auto acknowledge feature of a session.
+            System.out.println(CLASS + ": Creating a non-transacted, auto-acknowledged session");
+
+            Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+
+            // Create a MessageConsumer
+            System.out.println(CLASS + ": Creating a MessageConsumer");
+
+            MessageConsumer messageConsumer = session.createConsumer(destination);
+
+            // Set a message listener on the messageConsumer
+            messageConsumer.setMessageListener(this);
+
+            // Now the messageConsumer is set up we can start the connection
+            System.out.println(CLASS + ": Starting connection so MessageConsumer can receive messages");
+            connection.start();
+
+            // Wait for the messageConsumer to have received all the messages it needs
+            synchronized (_lock)
+            {
+                while (!_finished && !_failed)
+                {
+                    _lock.wait();
+                }
+            }
+
+            // If the MessageListener abruptly failed (probably due to receiving a non-text message)
+            if (_failed)
+            {
+                System.out.println(CLASS + ": This sample failed as it received unexpected messages");
+            }
+
+            // Close the connection to the server
+            System.out.println(CLASS + ": Closing connection");
+            connection.close();
+
+            // Close the JNDI reference
+            System.out.println(CLASS + ": Closing JNDI context");
+            ctx.close();
+        }
+        catch (Exception exp)
+        {
+            System.err.println(CLASS + ": Caught an Exception: " + exp);
+        }
+    }
+
+    /**
+     * This method is required by the <CODE>MessageListener</CODE> interface. It
+     * will be invoked  when messages are available.
+     * After receiving the finish message (That's all, folks!) it releases a lock so that the
+     * main program may continue.
+     *
+     * @param message The message.
+     */
+    public void onMessage(Message message)
+    {
+        try
+        {
+            String text = "";
+            if (message instanceof TextMessage)
+            {
+                text = ((TextMessage) message).getText();
+            }
+            else
+            {
+                byte[] body = new byte[(int) ((BytesMessage) message).getBodyLength()];
+                ((BytesMessage) message).readBytes(body);
+                text = new String(body);
+            }
+            if (text.equals("That's all, folks!"))
+            {
+                System.out.println(CLASS + ": Received final message " + text);
+                synchronized (_lock)
+                {
+                    _finished = true;
+                    _lock.notifyAll();
+                }
+            }
+            else
+            {
+                System.out.println(CLASS + ": Received  message:  " + text);
+            }
+        }
+        catch (JMSException exp)
+        {
+            System.out.println(CLASS + ": Caught an exception handling a received message");
+            exp.printStackTrace();
+            synchronized (_lock)
+            {
+                _failed = true;
+                _lock.notifyAll();
+            }
+        }
+    }
+}
diff --git a/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/Producer.java b/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/Producer.java
new file mode 100755
index 0000000000..c917f6d753
--- /dev/null
+++ b/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/Producer.java
@@ -0,0 +1,128 @@
+/*
+ *
+ * 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.jmsexample.fanout;
+
+import java.util.Properties;
+
+import org.apache.qpid.example.jmsexample.common.BaseExample;
+
+
+import javax.jms.*;
+import javax.naming.Context;
+import javax.naming.InitialContext;
+
+/**
+ * Message producer example, sends message to a queue.
+ */
+public class Producer
+{
+    /* Used in log output. */
+    private static final String CLASS = "Producer";
+
+    /* The queue name  */
+    private String _queueName;
+    private int numMessages = 10;
+    private short deliveryMode = 0;
+
+    /**
+     * Create a Producer client.
+     * @param args Command line arguments.
+     */
+    public Producer ()
+    {
+        // super(CLASS, args);
+        //_queueName = _argProcessor.getStringArgument("-queueName");
+    }
+
+    /**
+     * Run the message producer example.
+     * @param args Command line arguments.
+     */
+    public static void main(String[] args)
+    {
+       // _options.put("-queueName", "Queue name");
+       //  _defaults.put("-queueName", "message_queue");
+        Producer producer = new Producer();
+        producer.runTest();
+    }
+
+    private void runTest()
+    {
+        try
+        {
+
+            Properties properties = new Properties();
+            properties.load(this.getClass().getResourceAsStream("direct.properties"));
+
+            //Create the initial context
+            Context ctx = new InitialContext(properties);
+
+            Destination destination = (Destination)ctx.lookup("directQueue");
+
+            // Declare the connection
+            ConnectionFactory conFac = (ConnectionFactory)ctx.lookup("local");
+            Connection connection = conFac.createConnection();
+
+            // Create a session on the connection
+            // This session is a default choice of non-transacted and uses the auto acknowledge feature of a session.
+            System.out.println(CLASS + ": Creating a non-transacted, auto-acknowledged session");
+            Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+
+            // lookup the queue
+            //Queue   destination = session.createQueue(_queueName);
+
+            // Create a Message producer
+            System.out.println(CLASS + ": Creating a Message Producer");
+            MessageProducer messageProducer = session.createProducer(destination);
+
+            // Create a Message
+            TextMessage message;
+            System.out.println(CLASS + ": Creating a TestMessage to send to the destination");
+
+            // Loop to publish the requested number of messages.
+            for (int i = 1; i < numMessages + 1; i++)
+            {
+                // NOTE: We have NOT HAD TO START THE CONNECTION TO BEGIN SENDING  messages,
+                // this is different to the consumer end as a CONSUMERS CONNECTIONS MUST BE STARTED BEFORE RECEIVING.
+                message = session.createTextMessage("Message " + i);
+                System.out.println(CLASS + ": Sending message: " + i);
+                messageProducer.send(message, deliveryMode, Message.DEFAULT_PRIORITY, Message.DEFAULT_TIME_TO_LIVE);
+            }
+
+            // And send a final message to indicate termination.
+            message = session.createTextMessage("That's all, folks!");
+            messageProducer.send(message, deliveryMode, Message.DEFAULT_PRIORITY, Message.DEFAULT_TIME_TO_LIVE);
+
+            // Close the connection to the broker
+            System.out.println(CLASS + ": Closing connection");
+            connection.close();
+
+            // Close the JNDI reference
+            System.out.println(CLASS + ": Closing JNDI context");
+            ctx.close();
+        }
+        catch (Exception exp)
+        {
+            System.err.println(CLASS + ": Caught an Exception: " + exp);
+            exp.printStackTrace();
+        }
+    }
+}
diff --git a/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/fanout.properties b/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/fanout.properties
new file mode 100644
index 0000000000..446327d7e1
--- /dev/null
+++ b/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/fanout/fanout.properties
@@ -0,0 +1,31 @@
+#
+# 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.
+#
+java.naming.factory.initial = org.apache.qpid.jndi.PropertiesFileInitialContextFactory
+
+# use the following property to configure the default connector
+#java.naming.provider.url - ignored.
+
+# register some connection factories
+# connectionfactory.[jndiname] = [ConnectionURL]
+connectionfactory.local = qpid:password=pass;username=name@tcp:localhost:5672
+
+# Register an AMQP destination in JNDI
+#   NOTE: Qpid currently only supports direct,topics and headers
+# destination.[jniName] = [BindingURL]
+destination.directQueue = fanout://amq.fanout//message_queue
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