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package publicher_subscriber;
/**
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided
* that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright
* statements and notices. Redistributions must also contain a
* copy of this document.
*
* 2. Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. The name "Exolab" must not be used to endorse or promote
* products derived from this Software without prior written
* permission of Exoffice Technologies. For written permission,
* please contact info@exolab.org.
*
* 4. Products derived from this Software may not be called "Exolab"
* nor may "Exolab" appear in their names without prior written
* permission of Exoffice Technologies. Exolab is a registered
* trademark of Exoffice Technologies.
*
* 5. Due credit should be given to the Exolab Project
* (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2004 (C) Exoffice Technologies Inc. All Rights Reserved.
*
* $Id: DurableSubscriber.java,v 1.3 2005/11/18 03:28:00 tanderson Exp $
*/
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.jms.Session;
import javax.jms.Topic;
import javax.jms.TopicConnection;
import javax.jms.TopicConnectionFactory;
import javax.jms.TopicSession;
import javax.jms.TopicSubscriber;
import javax.jms.Message;
import javax.jms.TextMessage;
import javax.jms.JMSException;
public class DurableSubscriber11 {
public static void main(String[] args) {
Context context = null;
TopicConnectionFactory factory = null;
TopicConnection connection = null;
String factoryName = "ConnectionFactory";
String topicName = "united";
Topic topic = null;
int count = 1;
TopicSession session = null;
TopicSubscriber subscriber = null;
//String subscriptionName = "rubADubSub7";
try {
// create the JNDI initial context.
context = new InitialContext();
// look up the ConnectionFactory
factory = (TopicConnectionFactory) context.lookup(factoryName);
// look up the topic
topic = (Topic) context.lookup(topicName);
// create the connection
connection = factory.createTopicConnection();
// create the session
session = (TopicSession) connection.createTopicSession(
false, Session.AUTO_ACKNOWLEDGE);
// create the durable subscriber
subscriber = session.createSubscriber(topic);
//session.createTopic("TP")
// start the connection, to enable message receipt
connection.start();
for (int i = 0; i < count; ++i) {
Message message = subscriber.receive();
if (message instanceof TextMessage) {
TextMessage text = (TextMessage) message;
System.out.println("Received: " + text.getText());
} else if (message != null) {
System.out.println("Received non text message");
}
}
} catch (JMSException exception) {
exception.printStackTrace();
} catch (NamingException exception) {
exception.printStackTrace();
} finally {
// close the context
if (context != null) {
try {
context.close();
} catch (NamingException exception) {
exception.printStackTrace();
}
}
// close the connection
if (connection != null) {
try {
connection.close();
} catch (JMSException exception) {
exception.printStackTrace();
}
}
}
}
} |
