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Java client to post/consume message from Weblogic JMS Queue

Sample Java client to post the message and consume the message from the Weblogic JMS queue.

package com.jms.test.wl;

import javax.jms.JMSException;
import javax.jms.Queue;
import javax.jms.QueueConnectionFactory;
import javax.jms.TextMessage;
import javax.naming.NamingException;

public class TestJMSQueue {

public static void main(String[] args) {
TestJMSQueue testApp = new TestJMSQueue();
testApp.post2Queue();
testApp.receiveFromQueue();
}

public void post2Queue() {
long l1 = System.currentTimeMillis();
javax.naming.Context jndiContext = null;
javax.jms.QueueConnectionFactory queueConnectionFactory = null;
javax.jms.QueueConnection queueConnection = null;
javax.jms.QueueSession queueSession = null;
javax.jms.Queue queue = null;
javax.jms.QueueSender queueSender = null;

javax.jms.TextMessage message = null;

java.util.Hashtable<String, String> env = new java.util.Hashtable<String, String>();
env.put(javax.naming.Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
env.put(javax.naming.Context.PROVIDER_URL, "t3://localhost:7001");
env.put("weblogic.jndi.createIntermediateContexts", "true");

try {
jndiContext = new javax.naming.InitialContext(env);
} catch (NamingException e) {
System.out.println("Unable to create JNDI context "+e.toString());
e.printStackTrace();
}

try {
//queueConnectionFactory = (QueueConnectionFactory) jndiContext.lookup("javax.jms.QueueConnectionFactory");
queueConnectionFactory = (QueueConnectionFactory) jndiContext.lookup("jms/CustomerApplicationJMSConnectionFactory");
queue = (Queue) jndiContext.lookup("jms/CustomerApplicationRequestQueue");
} catch (NamingException e) {
System.out.println("JNDI lookup failed: " + e.toString());
e.printStackTrace();
}

try {
queueConnection = queueConnectionFactory.createQueueConnection();
queueSession = queueConnection.createQueueSession(false, javax.jms.Session.AUTO_ACKNOWLEDGE);
queueSender = queueSession.createSender(queue);
long l2 = System.currentTimeMillis();
//for(int i=0; i<1000; i++) {
message = queueSession.createTextMessage("Hello There 1");
queueSender.send(message);
//}
long l3 = System.currentTimeMillis();

System.out.println("Time Taken for setup and due diligence: "+(l2 - l1));
System.out.println("Time taken to send 1 million messages: "+(l3 -l2));
System.out.println("Overall Time taken: "+(l3 - l1));

} catch (JMSException e) {
System.out.println("Exception occurred: " + e.toString());
e.printStackTrace();
} finally {
if(queueConnection != null) {
try {
queueConnection.close();
} catch (JMSException e) {
e.printStackTrace();
}
}
}

}


public void receiveFromQueue() {
long l1 = System.currentTimeMillis();
javax.naming.Context jndiContext = null;
javax.jms.QueueConnectionFactory queueConnectionFactory = null;
javax.jms.QueueConnection queueConnection = null;
javax.jms.QueueSession queueSession = null;
javax.jms.Queue queue = null;
javax.jms.QueueReceiver queueReceiver = null;

javax.jms.Message message = null;
javax.jms.TextMessage tmessage = null;

java.util.Hashtable<String, String> env = new java.util.Hashtable<String, String>();
env.put(javax.naming.Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");
env.put(javax.naming.Context.PROVIDER_URL, "t3://localhost:7001");
env.put("weblogic.jndi.createIntermediateContexts", "true");

try {
jndiContext = new javax.naming.InitialContext(env);
} catch (NamingException e) {
System.out.println("Unable to create JNDI context "+e.toString());
e.printStackTrace();
}

try {
//queueConnectionFactory = (QueueConnectionFactory) jndiContext.lookup("javax.jms.QueueConnectionFactory");
//queue = (Queue) jndiContext.lookup("jms/SampleQueue");
queueConnectionFactory = (QueueConnectionFactory) jndiContext.lookup("jms/CustomerApplicationJMSConnectionFactory");
queue = (Queue) jndiContext.lookup("jms/CustomerApplicationRequestQueue");

} catch (NamingException e) {
System.out.println("JNDI lookup failed: " + e.toString());
e.printStackTrace();
}

try {
queueConnection = queueConnectionFactory.createQueueConnection();
queueSession = queueConnection.createQueueSession(false, javax.jms.Session.AUTO_ACKNOWLEDGE);
queueReceiver = queueSession.createReceiver(queue);
int count = 0;

long l2 = System.currentTimeMillis();
queueConnection.start();
//while(true) {
message = queueReceiver.receiveNoWait();
if(message != null) {
if(message instanceof javax.jms.TextMessage) {
tmessage = (TextMessage) message;
count++;
} /*else {
break;
}*/
}
//}
long l3 = System.currentTimeMillis();

System.out.println("Time Taken for setup and due diligence: "+(l2 - l1));
System.out.println("Time taken to receive "+ count +" messages: "+(l3 -l2));
System.out.println("Overall Time taken: "+(l3 - l1));

if(tmessage != null)
System.out.println("Message: "+tmessage.getText());

} catch (JMSException e) {
System.out.println("Exception occurred: " + e.toString());
e.printStackTrace();
} finally {
if(queueConnection != null) {
try {
queueConnection.close();
} catch (JMSException e) {
e.printStackTrace();
}
}
}
}
}