diff options
Diffstat (limited to 'trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/direct/Listener.java')
-rw-r--r-- | trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/direct/Listener.java | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/direct/Listener.java b/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/direct/Listener.java deleted file mode 100644 index d2e1180c9b..0000000000 --- a/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/jmsexample/direct/Listener.java +++ /dev/null @@ -1,208 +0,0 @@ -/* - * - * 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.direct; - -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.MessageListener; -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 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; - - - /** - * Run the message consumer example. - * @param args Command line arguments. - */ - public static void main(String[] args) - { - Listener listener = new Listener(); - listener.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("qpidConnectionfactory"); - // 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. - 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(); - } - } - } -} |