systests/qpid-systests-jms_1.1/src/test/java/org/apache/qpid/systests/jms_1_1/message/JMSReplyToTest.java

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 * 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
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package org.apache.qpid.systests.jms_1_1.message;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

import java.util.concurrent.atomic.AtomicReference;

import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.TemporaryQueue;

import org.junit.Test;

import org.apache.qpid.systests.JmsTestBase;

public class JMSReplyToTest extends JmsTestBase
{
    @Test
    public void testRequestResponseUsingJmsReplyTo() throws Exception
    {
        Queue requestQueue = createQueue(getTestName() + ".request");
        Queue replyToQueue = createQueue(getTestName() + ".reply");
        Connection connection = getConnection();
        try
        {
            AtomicReference<Throwable> exceptionHolder = createAsynchronousConsumer(connection, requestQueue);
            connection.start();
            Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
            MessageConsumer replyConsumer = session.createConsumer(replyToQueue);

            Message requestMessage = session.createTextMessage("Request");
            requestMessage.setJMSReplyTo(replyToQueue);
            MessageProducer producer = session.createProducer(requestQueue);
            producer.send(requestMessage);

            Message responseMessage = replyConsumer.receive(getReceiveTimeout());
            assertNotNull("Response message not received", responseMessage);
            assertEquals("Correlation id of the response should match message id of the request",
                         responseMessage.getJMSCorrelationID(), requestMessage.getJMSMessageID());
            assertNull("Unexpected exception in responder", exceptionHolder.get());
        }
        finally
        {
            connection.close();
        }
    }

    @Test
    public void testRequestResponseUsingTemporaryJmsReplyTo() throws Exception
    {
        Queue requestQueue = createQueue(getTestName() + ".request");
        Connection connection = getConnection();
        try
        {
            AtomicReference<Throwable> exceptionHolder = createAsynchronousConsumer(connection, requestQueue);
            connection.start();
            Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
            TemporaryQueue replyToQueue = session.createTemporaryQueue();

            MessageConsumer replyConsumer = session.createConsumer(replyToQueue);

            Message requestMessage = session.createTextMessage("Request");
            requestMessage.setJMSReplyTo(replyToQueue);
            MessageProducer producer = session.createProducer(requestQueue);
            producer.send(requestMessage);

            Message responseMessage = replyConsumer.receive(getReceiveTimeout());
            assertNotNull("Response message not received", responseMessage);
            assertEquals("Correlation id of the response should match message id of the request",
                         responseMessage.getJMSCorrelationID(), requestMessage.getJMSMessageID());
            assertNull("Unexpected exception in responder", exceptionHolder.get());
        }
        finally
        {
            connection.close();
        }
    }

    private AtomicReference<Throwable> createAsynchronousConsumer(Connection connection, Queue requestQueue)
            throws JMSException
    {
        final Session responderSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        final AtomicReference<Throwable> caughtException = new AtomicReference<>();
        final MessageConsumer requestConsumer = responderSession.createConsumer(requestQueue);
        requestConsumer.setMessageListener(message -> {
            try
            {
                Destination replyTo = message.getJMSReplyTo();
                MessageProducer responseProducer = responderSession.createProducer(replyTo);
                Message responseMessage = responderSession.createMessage();
                responseMessage.setJMSCorrelationID(message.getJMSMessageID());
                responseProducer.send(responseMessage);
            }
            catch (Throwable t)
            {
                caughtException.set(t);
            }
        });
        return caughtException;
    }
}