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Java Message Service Tutorial from SunBooks
Enterprise Java Beans by Richard Monson-HaefelMastering Enterprise JavaBeans by Ed Roman
Lord of the Rings by J.R.R. Tolkien
import javax.jms.*;
import javax.naming.*;
public class BilboRingQueueSender {
public static void main(String[] args) {
String ringMessage[] = {"One Ring to rule them all," ,
"One Ring to find them," ,
"One Ring to bring them all" ,
"And in the darkness bind them"};
QueueConnectionFactory queueConnectionFactory = null;
Queue ringQueue = null;
try {
Context jndiContext = new InitialContext();
queueConnectionFactory =
(QueueConnectionFactory)
jndiContext.lookup("QueueConnectionFactory");
ringQueue = (Queue) jndiContext.lookup("RingQueue");
} catch (NamingException nameEx) {
System.out.println("Naming Exception: " +
nameEx.toString());
}
QueueConnection queueConnection = null;
try {
queueConnection =
queueConnectionFactory.createQueueConnection();
QueueSession queueSession =
queueConnection.createQueueSession(
false,Session.AUTO_ACKNOWLEDGE);
QueueSender queueSender =
queueSession.createSender(ringQueue);
TextMessage textMessage =
queueSession.createTextMessage();
for (int msgCount = 0;
msgCount < ringMessage.length;
msgCount++) {
textMessage.setText(ringMessage[msgCount]);
queueSender.send(textMessage);
System.out.println(" sending line " +
msgCount + " : " +
ringMessage[msgCount]);
}
textMessage.setText("end of message");
queueSender.send(textMessage);
System.out.println(" sending last line " +
" : " +
textMessage.getText());
queueConnection.close();
System.out.println(" ring sender closed");
} catch (javax.jms.JMSException jmsEx) {
System.out.println("JMS Exception: " +
jmsEx.toString());
} finally { if (queueConnection != null)
{ try
{ queueConnection.close();
} catch (javax.jms.JMSException jmse) {}
}
}
}
}
import javax.jms.*;
import javax.naming.*;
public class FrodoRingQueueReceiver {
public static void main(String[] args) {
QueueConnectionFactory queueConnectionFactory = null;
Queue ringQueue = null;
try {
Context jndiContext = new InitialContext();
queueConnectionFactory =
(QueueConnectionFactory)
jndiContext.lookup("QueueConnectionFactory");
ringQueue = (Queue) jndiContext.lookup("RingQueue");
} catch (NamingException nameEx) {
System.out.println("Naming Exception: " + nameEx.toString());
}
QueueConnection queueConnection = null;
try {
queueConnection =
queueConnectionFactory.createQueueConnection();
QueueSession queueSession =
queueConnection.createQueueSession(
false, Session.AUTO_ACKNOWLEDGE);
QueueReceiver queueReceiver =
queueSession.createReceiver(ringQueue);
queueConnection.start();
TextMessage textMessage = null;
while (true) {
textMessage = (TextMessage) queueReceiver.receive(1);
System.out.println(" receiving line " +
" : " + textMessage.getText());
if (textMessage.getText().equals("end of message")) {
break;
}
}
queueConnection.close();
System.out.println(" ring receiver closed");
} catch (javax.jms.JMSException jmsEx) {
System.out.println("JMS Exception: " + jmsEx.toString());
} finally { if (queueConnection != null)
{ try
{ queueConnection.close();
} catch (javax.jms.JMSException jmse) {}
}
}
}
}
j2eeadmin -addJmsDestination RingQueue queue
java -Djms.properties=%J2EE_HOME%\config\jms_client.properties
BilboRingQueueSender
Java(TM) Message Service 1.0.2 Reference Implementation
(build b14)
sending line 0 : One Ring to rule them all,
sending line 1 : One Ring to find them,
sending line 2 : One Ring to bring them all
sending line 3 : And in the darkness bind them
sending last line : end of message
ring sender closed
java -Djms.properties=%J2EE_HOME%\config\jms_client.properties
FrodoRingQueueReceiver
Java(TM) Message Service 1.0.2 Reference Implementation
(build b14)
receiving line : One Ring to rule them all,
receiving line : One Ring to find them,
receiving line : One Ring to bring them all
receiving line : And in the darkness bind them
receiving line : end of message
ring receiver closed
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