mq5.0-source.src.share.java.examples.jms20.messageheader.MessageHeadersProducer Maven / Gradle / Ivy
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import javax.jms.*;
/**
* The MessageHeadersProducer.class sends messages to a queue with
* message header properties set on producer
*
* Run this program in conjunction with MessageHeadersConsumer.
* Specify a queue name on the command line when you run
* the program.
*/
public class MessageHeadersProducer {
private String destName = null;
static int exitcode = 0;
/**
* Main method.
*
* @param args the queue used by the example
*/
public static void main(String args[]) {
if ( args.length < 1 ) {
System.out.println("Usage: java MessageHeadersProducer ");
System.exit(1);
}
// Send messages to queue with message header properties set.
MessageHeadersProducer msgHeadersProducer = new MessageHeadersProducer();
msgHeadersProducer.parseArgs(args);
try {
msgHeadersProducer.runTest();
}catch(JMSException ex) {
ex.printStackTrace();
exitcode = 1;
}
System.exit(exitcode);
}
/**
* parseArgs method.
*
* @param args the arguments that are passed through main method
*/
public void parseArgs(String[] args){
destName = new String(args[0]);
System.out.println("Queue name is " + destName);
}
/**
* Test JMSProducer method send(Destination destination, Message message),
* with a TextMessage ensuring that you can set the four supported message
* headers
*
* @param none
* @throws JMSException
*/
private void runTest() throws JMSException {
String uniqueID = Long.toString(System.currentTimeMillis());
byte[] jmsCorrelationIDAsBytes = { 77, 121, 67, 111, 114, 114, 101, 108, 97, 116, 105, 111, 110, 73, 68 };
String jmsCorrelationIDAsString = "MyCorrelationID";
String jmsType = "MyJMSType";
String jmsReplyTo = "SomeOtherQueue";
// send a message
{
ConnectionFactory connectionFactory = new com.sun.messaging.ConnectionFactory();
JMSContext context = connectionFactory.createContext();
JMSProducer producer = context.createProducer();
System.out.println("Set message headers on producer");
// setJMSReplyTo
System.out.println("setJMSReplyTo on producer");
producer.setJMSReplyTo(context.createQueue(jmsReplyTo));
// setJMSType
System.out.println("setJMSType on producer");
producer.setJMSType(jmsType);
// setJMSCorrelationID
System.out.println("setJMSCorrelationID on producer");
producer.setJMSCorrelationID(jmsCorrelationIDAsString);
// setJMSCorrelationIDAsBytes
System.out.println("setJMSCorrelationIDAsBytes on producer");
producer.setJMSCorrelationIDAsBytes(jmsCorrelationIDAsBytes);
// send message
producer.send(context.createQueue(destName),context.createTextMessage(uniqueID));
System.out.println("Message "+uniqueID+" sent successfully");
context.close();
}
}
}