Java Code Examples for javax.jms.Message

/**
 * Tests if unacknowledged messages are being re-delivered when the consumer connects again.
 *
 * @throws JMSException
 */
public void testUnAckedMessageAreNotConsumedOnSessionClose() throws JMSException {
   connection.start();
   Session session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
   Queue queue = session.createQueue(getQueueName());
   MessageProducer producer = session.createProducer(queue);
   producer.send(session.createTextMessage("Hello"));

   // Consume the message...
   MessageConsumer consumer = session.createConsumer(queue);
   Message msg = consumer.receive(1000);
   assertNotNull(msg);
   // Don't ack the message.

   // Reset the session.  This should cause the unacknowledged message to be re-delivered.
   session.close();
   session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);

   // Attempt to Consume the message...
   consumer = session.createConsumer(queue);
   msg = consumer.receive(2000);
   assertNotNull(msg);
   msg.acknowledge();

   session.close();
}
 

public void testLikeComparisons() throws Exception {
   Message message = createMessage();

   assertSelector(message, "quote LIKE '''In G_d We Trust'''", true);
   assertSelector(message, "quote LIKE '''In Gd_ We Trust'''", false);
   assertSelector(message, "quote NOT LIKE '''In G_d We Trust'''", false);
   assertSelector(message, "quote NOT LIKE '''In Gd_ We Trust'''", true);

   assertSelector(message, "foo LIKE '%oo'", true);
   assertSelector(message, "foo LIKE '%ar'", false);
   assertSelector(message, "foo NOT LIKE '%oo'", false);
   assertSelector(message, "foo NOT LIKE '%ar'", true);

   assertSelector(message, "foo LIKE '!_%' ESCAPE '!'", true);
   assertSelector(message, "quote LIKE '!_%' ESCAPE '!'", false);
   assertSelector(message, "foo NOT LIKE '!_%' ESCAPE '!'", false);
   assertSelector(message, "quote NOT LIKE '!_%' ESCAPE '!'", true);

   assertSelector(message, "punctuation LIKE '!#$&()*+,-./:;<=>[email protected][\\]^`{|}~'", true);
}
 

@Override
public void onMessage(Message message) {
    try {
        if (TextMessage.class.isAssignableFrom(message.getClass())) {
            String receiverClassName = getClass().getName();
            logger.info("Receiver {}, sending message.", receiverClassName);
            logger.debug("Event message: {}", message);
            TextMessage textMessage = (TextMessage) message;
            T event = gson.fromJson(textMessage.getText(), eventClass);
            logger.debug("{} event {}", receiverClassName, event);
            handleEvent(event);
        }
    } catch (Exception e) {
        logger.error(e.getMessage(), e);
    }
}
 

private Object[] wrapMessageForAmq5(final Object[] args) {
    if (args == null || args.length != 1 || DelegateMessage.class.isInstance(args[0])) {
        return args;
    }

    if (isAmq == null) {
        synchronized (this) {
            if (isAmq == null) {
                isAmq = args[0].getClass().getName().startsWith("org.apache.activemq.");
            }
        }
    }
    if (isAmq) {
        args[0] = JMS2.wrap(Message.class.cast(args[0]));
    }
    return args;
}
 

@Override
protected void verifyPublishedMessage() throws Exception {
    final ArgumentCaptor<JmsMessage> messageCaptor = ArgumentCaptor.forClass(JmsMessage.class);

    verify(messageProducer, timeout(1000)).send(messageCaptor.capture(), any(CompletionListener.class));

    final Message message = messageCaptor.getValue();
    assertThat(message).isNotNull();
    assertThat(message.getStringProperty("thing_id")).isEqualTo(TestConstants.Things.THING_ID.toString());
    assertThat(message.getStringProperty("suffixed_thing_id")).isEqualTo(
            TestConstants.Things.THING_ID + ".some.suffix");
    assertThat(message.getStringProperty("prefixed_thing_id")).isEqualTo(
            "some.prefix." + TestConstants.Things.THING_ID);
    assertThat(message.getStringProperty("eclipse")).isEqualTo("ditto");
    assertThat(message.getStringProperty("device_id"))
            .isEqualTo(TestConstants.Things.THING_ID.toString());
}
 

@Test
public void receiveTimeoutExpired() {
	JmsInvokerProxyFactoryBean pfb = new JmsInvokerProxyFactoryBean() {
		@Override
		protected Message doExecuteRequest(Session session, Queue queue, Message requestMessage) throws JMSException {
			return null; // faking no message received
		}
	};
	pfb.setServiceInterface(ITestBean.class);
	pfb.setConnectionFactory(this.mockConnectionFactory);
	pfb.setQueue(this.mockQueue);
	pfb.setReceiveTimeout(1500);
	pfb.afterPropertiesSet();
	ITestBean proxy = (ITestBean) pfb.getObject();

	assertThatExceptionOfType(RemoteTimeoutException.class).isThrownBy(() ->
			proxy.getAge())
		.withMessageContaining("1500 ms")
		.withMessageContaining("getAge");
}
 

/**
 * Topics shouldn't hold on to messages if there are no subscribers
 */
@Test
public void testPersistentMessagesForTopicDropped() throws Exception {
   TopicConnection topicConn = createTopicConnection();
   TopicSession sess = topicConn.createTopicSession(true, 0);
   TopicPublisher pub = sess.createPublisher(ActiveMQServerTestCase.topic1);
   pub.setDeliveryMode(DeliveryMode.PERSISTENT);

   Message m = sess.createTextMessage("testing123");
   pub.publish(m);
   sess.commit();

   topicConn.close();

   checkEmpty(ActiveMQServerTestCase.topic1);
}
 

/**
 * This implementation converts a TextMessage back to a String, a
 * ByteMessage back to a byte array, a MapMessage back to a Map,
 * and an ObjectMessage back to a Serializable object. Returns
 * the plain Message object in case of an unknown message type.
 *
 * @return payload
 * @throws javax.jms.JMSException
 */
@Override
public Object convert(Message message) throws JMSException
{
  if (message instanceof TextMessage) {
    return ((TextMessage)message).getText();
  } else if (message instanceof StreamMessage) {
    return ((StreamMessage)message).readString();
  } else if (message instanceof BytesMessage) {
    return extractByteArrayFromMessage((BytesMessage)message);
  } else if (message instanceof MapMessage) {
    return extractMapFromMessage((MapMessage)message);
  } else if (message instanceof ObjectMessage) {
    return extractSerializableFromMessage((ObjectMessage)message);
  } else {
    return message;
  }
}
 

@Test
public void testMapMessageCompression() throws Exception {

   MessageConsumer consumer1 = remoteSession.createConsumer(included);
   MessageProducer producer = localSession.createProducer(included);
   producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);

   waitForConsumerRegistration(localBroker, 1, included);

   MapMessage test = localSession.createMapMessage();

   for (int i = 0; i < 100; ++i) {
      test.setString(Integer.toString(i), "test string: " + i);
   }

   producer.send(test);
   Message msg = consumer1.receive(RECEIVE_TIMEOUT_MILLS);
   assertNotNull(msg);
   ActiveMQMapMessage message = (ActiveMQMapMessage) msg;
   assertTrue(message.isCompressed());

   for (int i = 0; i < 100; ++i) {
      assertEquals("test string: " + i, message.getString(Integer.toString(i)));
   }
}
 

protected Message makeMessage(Session session, ModelService modelService, Map<String, Object> context)
    throws GenericServiceException, JMSException {
    List<String> outParams = modelService.getParameterNames(ModelService.OUT_PARAM, false);

    if (UtilValidate.isNotEmpty(outParams))
        throw new GenericServiceException("JMS service cannot have required OUT parameters; no parameters will be returned.");
    String xmlContext = null;

    try {
        if (Debug.verboseOn()) Debug.logVerbose("Serializing Context --> " + context, module);
        xmlContext = JmsSerializer.serialize(context);
    } catch (SerializeException | IOException e) {
        throw new GenericServiceException("Cannot serialize context.", e);
    }
    MapMessage message = session.createMapMessage();

    message.setString("serviceName", modelService.invoke);
    message.setString("serviceContext", xmlContext);
    return message;
}
 

public void testMessageExpiredAdvisory() throws Exception {
   Session s = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
   Queue queue = s.createQueue(getClass().getName());
   MessageConsumer consumer = s.createConsumer(queue);
   assertNotNull(consumer);

   Topic advisoryTopic = AdvisorySupport.getExpiredMessageTopic((ActiveMQDestination) queue);
   MessageConsumer advisoryConsumer = s.createConsumer(advisoryTopic);
   //start throwing messages at the consumer
   MessageProducer producer = s.createProducer(queue);
   producer.setTimeToLive(1);
   for (int i = 0; i < MESSAGE_COUNT; i++) {
      BytesMessage m = s.createBytesMessage();
      m.writeBytes(new byte[1024]);
      producer.send(m);
   }

   Message msg = advisoryConsumer.receive(2000);
   assertNotNull(msg);
}
 

/**
 * Tests if the messages received are valid.
 *
 * @param receivedMessages - list of received messages.
 * @throws JMSException
 */
protected void assertMessagesReceivedAreValid(List<Message> receivedMessages) throws JMSException {
   List<Object> copyOfMessages = Arrays.asList(receivedMessages.toArray());
   int counter = 0;

   if (data.length != copyOfMessages.size()) {
      for (Iterator<Object> iter = copyOfMessages.iterator(); iter.hasNext(); ) {
         TextMessage message = (TextMessage) iter.next();
      }
   }

   assertEquals("Not enough messages received", data.length, receivedMessages.size());

   for (int i = 0; i < data.length; i++) {
      TextMessage received = (TextMessage) receivedMessages.get(i);
      String text = received.getText();
      String stringProperty = received.getStringProperty("stringProperty");
      int intProperty = received.getIntProperty("intProperty");

      assertEquals("Message: " + i, data[i], text);
      assertEquals(data[i], stringProperty);
      assertEquals(i, intProperty);
   }
}
 

@Test
public void testBrowseWithSelector() throws Exception {
   try {
      conn = getConnectionFactory().createConnection();

      Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);

      MessageProducer producer = session.createProducer(queue1);

      final int numMessages = 100;

      for (int i = 0; i < numMessages; i++) {
         Message m = session.createMessage();
         m.setIntProperty("test_counter", i + 1);
         producer.send(m);
      }
   } finally {
      removeAllMessages(queue1.getQueueName(), true);
   }
}
 

private void read(Message message) throws JMSException {
    setJMSCorrelationID(message.getJMSCorrelationID());
    setJMSDeliveryMode(Integer.valueOf(message.getJMSDeliveryMode()));
    setJMSExpiration(Long.valueOf(message.getJMSExpiration()));
    setJMSMessageID(message.getJMSMessageID());
    setJMSPriority(Integer.valueOf(message.getJMSPriority()));
    setJMSRedelivered(Boolean.valueOf(message.getJMSRedelivered()));
    setJMSTimeStamp(Long.valueOf(message.getJMSTimestamp()));
    setJMSType(message.getJMSType());
    setSOAPJMSTargetService(message.getStringProperty(JMSSpecConstants.TARGETSERVICE_FIELD));
    setSOAPJMSBindingVersion(message.getStringProperty(JMSSpecConstants.BINDINGVERSION_FIELD));
    setSOAPJMSContentType(message.getStringProperty(JMSSpecConstants.CONTENTTYPE_FIELD));
    setSOAPJMSContentEncoding(message.getStringProperty(JMSSpecConstants.CONTENTENCODING_FIELD));
    setSOAPJMSSOAPAction(message.getStringProperty(JMSSpecConstants.SOAPACTION_FIELD));
    if (message.propertyExists(JMSSpecConstants.ISFAULT_FIELD)) {
        setSOAPJMSIsFault(message.getBooleanProperty(JMSSpecConstants.ISFAULT_FIELD));
    }
    setSOAPJMSRequestURI(message.getStringProperty(JMSSpecConstants.REQUESTURI_FIELD));

    setJMSReplyTo(getDestName(message));
    readProperties(message);
}
 

@Override
public void onMessage(final Message request) {
   try {
      System.out.println("Received request message: " + ((TextMessage) request).getText());

      // Extract the ReplyTo destination
      Destination replyDestination = request.getJMSReplyTo();

      System.out.println("Reply to queue: " + replyDestination);

      // Create the reply message
      TextMessage replyMessage = session.createTextMessage("A reply message");

      // Set the CorrelationID, using message id.
      replyMessage.setJMSCorrelationID(request.getJMSMessageID());

      // Send out the reply message
      replyProducer.send(replyDestination, replyMessage);

      System.out.println("Reply sent");
   } catch (JMSException e) {
      e.printStackTrace();
   }
}
 

@Override
public void run() {
   try {
      Session session = createSession();
      MessageConsumer consumer = session.createConsumer(queue);
      barrierLatch.await();
      while (true) {
         Message msg = consumer.receive(CONSUMER_WAIT_TIME_MS);
         if (msg == null)
            break;
         msgReceived.incrementAndGet();
      }
   } catch (Exception e) {
      throw new RuntimeException(e);
   } finally {
      runnersLatch.countDown();
   }
}
 

/**
 * Test that a <code>Destination</code> set by the <code>setJMSReplyTo()</code>
 * method on a sended message corresponds to the <code>Destination</code> get by
 * the </code>getJMSReplyTo()</code> method.
 */
@Test
public void testJMSReplyTo_1() {
   try {
      Message message = senderSession.createMessage();
      message.setJMSReplyTo(senderQueue);
      sender.send(message);

      Message msg = receiver.receive(TestConfig.TIMEOUT);
      Destination dest = msg.getJMSReplyTo();
      Assert.assertTrue("JMS ReplyTo header field should be a Queue", dest instanceof Queue);
      Queue replyTo = (Queue) dest;
      Assert.assertEquals("JMS ReplyTo header field should be equals to the sender queue", replyTo.getQueueName(), senderQueue.getQueueName());
   } catch (JMSException e) {
      fail(e);
   }
}
 

@Test
public void testSendTopic() throws Exception {
   ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("tcp://localhost:61616");
   Connection conn = factory.createQueueConnection("jdoe", "sunflower");
   Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
   conn.start();
   Destination topic = sess.createTopic("TEST.BAR");

   MessageProducer producer = sess.createProducer(topic);
   MessageConsumer consumer = sess.createConsumer(topic);

   producer.send(sess.createTextMessage("test"));
   Message msg = consumer.receive(1000);
   assertNotNull(msg);
}
 

@Override
public void onMessage(Message message) {
    try {
        logger.log(Level.INFO,
                "Rejected registration attempt of cargo with tracking ID {0}.",
                message.getBody(String.class));
    } catch (JMSException ex) {
        logger.log(Level.WARNING, "Error processing message.", ex);
    }
}
 

@Override
public void onMessage(Message message) {
    try {
        logger.log(Level.INFO,
                "Cargo with tracking ID {0} delivered.",
                message.getBody(String.class));
    } catch (JMSException ex) {
        logger.log(Level.WARNING, "Error processing message.", ex);
    }
}
 

/**
 * Send a <code>ObjectMessage</code> with an empty body.
 * <br />
 * Receive it and test if the message is effectively an instance of
 * <code>ObjectMessage</code>
 */
@Test
public void testObjectMessage_1() {
   try {
      ObjectMessage message = senderSession.createObjectMessage();
      sender.send(message);

      Message msg = receiver.receive(TestConfig.TIMEOUT);
      Assert.assertTrue("The message should be an instance of ObjectMessage.\n", msg instanceof ObjectMessage);
   } catch (JMSException e) {
      fail(e);
   }
}
 

/**
 * Converts message into SupervisionEvent and notifies registered listeners.
 *
 * <p>All exceptions are caught and logged (both exceptions in message conversion
 * and thrown by the listeners).
 */
@Override
public void onMessage(final Message message) {
  try {
    if (message instanceof TextMessage) {

      if (log.isTraceEnabled()) {
        log.trace("AbstractQueuedWrapper received message for {}: {}", this.getClass().getSimpleName(), ((TextMessage)message).getText());
      }

      U event = convertMessage(message);
      long lastNotificationTime = notificationTime.get();
      if (lastNotificationTime != 0 && (System.currentTimeMillis() - lastNotificationTime) > notificationTimeBeforeWarning.get()) {
        String warning = "Slow consumer class: " + this.getClass().getSimpleName() + ". "
                            + "C2MON client is not consuming updates correctly and should be restarted! "
                            + " Event type: " + getDescription(event);
        log.warn(warning);
        log.warn("No returning call from listener since {}", new Timestamp(lastNotificationTime));
        slowConsumerListener.onSlowConsumer(warning);
      }
      eventQueue.put(event);
    } else {
      log.warn("Non-text message received for " + this.getClass().getSimpleName() + " - ignoring event");
    }
  } catch (Exception e) {
    log.error("Exception caught while processing incoming server event with " + this.getClass().getSimpleName(), e);
  }
}
 

@Override
public void onMessage(Message message) {
   latch.countDown();
   try {
      System.out.println("Received " + ((TextMessage) message).getText());
   } catch (Exception e) {
      e.printStackTrace();
   }
}
 

@Test(timeout = 10000)
public void testSendToQueueWithDeliveryOptsWithNullOnExplicitQueueSenderThrowsInvalidDestinationException() throws Exception {
    Queue queue = session.createQueue(getTestName());
    QueueSender sender = session.createSender(queue);
    Message message = session.createMessage();
    try {
        sender.send((Queue) null, message, Message.DEFAULT_DELIVERY_MODE, Message.DEFAULT_PRIORITY, Message.DEFAULT_TIME_TO_LIVE);
        fail("Expected exception to be thrown");
    } catch (InvalidDestinationException ide) {
        // expected
    }
}
 

/**
 * Receive a batch of up to batchSize for given destination and message selector. Other than batching this method is the same as {@link JmsTemplate#receiveSelected(Destination, String)}
 * @return A list of {@link Message}
 * @param destination The Destination
 * @param messageSelector The Selector
 * @param batchSize The batch size
 * @throws JmsException The {@link JmsException}
 */
public List<Message> receiveSelectedBatch(final Destination destination, final String messageSelector,
        final int batchSize) throws JmsException {
    return execute(new SessionCallback<List<Message>>() {
        public List<Message> doInJms(Session session) throws JMSException {

            return doBatchReceive(session, destination, messageSelector, batchSize);
        }
    }, true);
}
 

@Test
public void testToMessageSimplyReturnsMessageAsIsIfSuppliedWithMessage() throws JMSException {
	Session session = mock(Session.class);
	ObjectMessage message = mock(ObjectMessage.class);

	SimpleMessageConverter converter = new SimpleMessageConverter();
	Message msg = converter.toMessage(message, session);
	assertSame(message, msg);
}
 

@Override
public Object fromMessage(Message message) throws JMSException, MessageConversionException {

    Enumeration<String> names = message.getPropertyNames();
    messageProperties = new HashMap<String, String>();
    while (names.hasMoreElements()) {
        String name = names.nextElement();
        messageProperties.put(name, message.getStringProperty(name));
    }

    BytesMessage bm = (BytesMessage) message;
    byte[] transfer = new byte[(int) bm.getBodyLength()];
    bm.readBytes(transfer);
    return new String(transfer);
}
 

/**
 * if a property is set as a <code>double</code>,
 * it can also be read as a <code>java.lang.String</code>.
 */
@Test
public void testDouble2String() {
   try {
      Message message = senderSession.createMessage();
      message.setDoubleProperty("prop", 127.0);
      Assert.assertEquals("127.0", message.getStringProperty("prop"));
   } catch (JMSException e) {
      fail(e);
   }
}
 

@Test(timeout = 40000)
public void testBrowseAllInQueue() throws Exception {
    connection = createAmqpConnection();
    connection.start();

    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    assertNotNull(session);
    Queue queue = session.createQueue(getDestinationName());
    sendToAmqQueue(5);

    QueueViewMBean proxy = getProxyToQueue(getDestinationName());
    assertEquals(5, proxy.getQueueSize());

    QueueBrowser browser = session.createBrowser(queue);
    assertNotNull(browser);
    Enumeration enumeration = browser.getEnumeration();
    int count = 0;
    while (enumeration.hasMoreElements()) {
        Message msg = (Message) enumeration.nextElement();
        assertNotNull(msg);
        LOG.debug("Recv: {}", msg);
        count++;
        TimeUnit.MILLISECONDS.sleep(50);
    }
    assertFalse(enumeration.hasMoreElements());
    assertEquals(5, count);
}
 

protected int receiveAllMessages(MessageConsumer consumer) throws Exception {
   int msgsReceived = 0;

   Message msg;
   do {
      msg = consumer.receive(1000);
      if (msg != null) {
         msgsReceived++;
      }
   } while (msg != null);

   return msgsReceived;
}