Examples with TextMessage javax.jms.TextMessage used on opensource projects

Example 11 with TextMessage

use of javax.jms.TextMessage in project quickstarts by jboss-switchyard.

the class ActiveMQClient method main.

/**
     * Only execution point for this application.
     * @param ignored not used.
     * @throws Exception if something goes wrong.
     */
public static void main(final String[] args) throws Exception {
    String[] orders = { "BREAD", "PIZZA", "JAM", "POTATO", "MILK", "JAM" };
    if (args.length != 0) {
        orders = args;
    }
    ActiveMQMixIn mixIn = new ActiveMQMixIn();
    try {
        Session session = mixIn.getSession();
        MessageProducer producer = session.createProducer(session.createQueue(ORDER_QUEUE));
        for (String order : orders) {
            final TextMessage message = session.createTextMessage();
            message.setText(order);
            producer.send(message);
        }
        session.close();
        session = mixIn.getSession();
        System.out.println("* * *  SHIPPING ORDERS  * * *");
        MessageConsumer consumer = session.createConsumer(session.createQueue(SHIPPING_QUEUE));
        Message msg = null;
        while ((msg = consumer.receive(1000)) != null) {
            if (msg instanceof TextMessage) {
                System.out.println(" - " + ((TextMessage) msg).getText());
            }
        }
        System.out.println();
        System.out.println("* * *  PENDING ORDERS (FILLING STOCK)  * * *");
        consumer = session.createConsumer(session.createQueue(FILLING_STOCK_QUEUE));
        while ((msg = consumer.receive(1000)) != null) {
            if (msg instanceof TextMessage) {
                System.out.println(" - " + ((TextMessage) msg).getText());
            }
        }
        session.close();
        Thread.sleep(2000);
    } finally {
        mixIn.uninitialize();
    }
}

Example 12 with TextMessage

use of javax.jms.TextMessage in project pinpoint by naver.

the class ActiveMQClientITBase method testQueuePush.

@Test
public void testQueuePush() throws Exception {
    // Given
    final String testQueueName = "TestPushQueue";
    final ActiveMQQueue testQueue = new ActiveMQQueue(testQueueName);
    final String testMessage = "Hello World for Queue!";
    final CountDownLatch consumerLatch = new CountDownLatch(1);
    final Collection<Throwable> consumerThrowables = new CopyOnWriteArrayList<Throwable>();
    // create producer
    ActiveMQSession producerSession = ActiveMQClientITHelper.createSession(getProducerBrokerName(), getProducerBrokerUrl());
    MessageProducer producer = producerSession.createProducer(testQueue);
    final TextMessage expectedTextMessage = producerSession.createTextMessage(testMessage);
    // create consumer
    ActiveMQSession consumerSession = ActiveMQClientITHelper.createSession(getConsumerBrokerName(), getConsumerBrokerUrl());
    MessageConsumer consumer = consumerSession.createConsumer(testQueue);
    consumer.setMessageListener(new AssertTextMessageListener(consumerLatch, consumerThrowables, expectedTextMessage));
    // When
    producer.send(expectedTextMessage);
    consumerLatch.await(1L, TimeUnit.SECONDS);
    // Then
    assertNoConsumerError(consumerThrowables);
    // Wait till all traces are recorded (consumer traces are recorded from another thread)
    awaitAndVerifyTraceCount(2, 5000L);
    // trace count : 1
    verifyProducerSendEvent(testQueue);
    // trace count : 1
    verifyConsumerPushEvent(testQueue);
}

Example 13 with TextMessage

use of javax.jms.TextMessage in project pinpoint by naver.

the class ActiveMQClientITBase method testTopicPush.

@Test
public void testTopicPush() throws Exception {
    // Given
    final String testTopicName = "TestPushTopic";
    final ActiveMQTopic testTopic = new ActiveMQTopic(testTopicName);
    final String testMessage = "Hello World for Topic!";
    final int numMessageConsumers = 2;
    final CountDownLatch consumerConsumeLatch = new CountDownLatch(numMessageConsumers);
    final Collection<Throwable> consumerThrowables = new CopyOnWriteArrayList<Throwable>();
    // create producer
    ActiveMQSession producerSession = ActiveMQClientITHelper.createSession(getProducerBrokerName(), getProducerBrokerUrl());
    MessageProducer producer = new MessageProducerBuilder(producerSession, testTopic).waitTillStarted().build();
    final TextMessage expectedTextMessage = producerSession.createTextMessage(testMessage);
    // create 2 consumers
    ActiveMQSession consumer1Session = ActiveMQClientITHelper.createSession(getConsumerBrokerName(), getConsumerBrokerUrl());
    new MessageConsumerBuilder(consumer1Session, testTopic).withMessageListener(new AssertTextMessageListener(consumerConsumeLatch, consumerThrowables, expectedTextMessage)).waitTillStarted().build();
    ActiveMQSession consumer2Session = ActiveMQClientITHelper.createSession(getConsumerBrokerName(), getConsumerBrokerUrl());
    new MessageConsumerBuilder(consumer2Session, testTopic).withMessageListener(new AssertTextMessageListener(consumerConsumeLatch, consumerThrowables, expectedTextMessage)).waitTillStarted().build();
    // When
    producer.send(expectedTextMessage);
    consumerConsumeLatch.await(1L, TimeUnit.SECONDS);
    // Then
    // Wait till all traces are recorded (consumer traces are recorded from another thread)
    awaitAndVerifyTraceCount(3, 1000L);
    // trace count : 1
    verifyProducerSendEvent(testTopic);
    // trace count : 1
    verifyConsumerPushEvent(testTopic);
    // trace count : 1
    verifyConsumerPushEvent(testTopic);
}

Example 14 with TextMessage

use of javax.jms.TextMessage in project pinpoint by naver.

the class ActiveMQClientITBase method testQueuePull.

@Test
public void testQueuePull() throws Exception {
    // Given
    final String testQueueName = "TestPullQueue";
    final ActiveMQQueue testQueue = new ActiveMQQueue(testQueueName);
    final String testMessage = "Hello World for Queue!";
    // create producer
    ActiveMQSession producerSession = ActiveMQClientITHelper.createSession(getProducerBrokerName(), getProducerBrokerUrl());
    MessageProducer producer = producerSession.createProducer(testQueue);
    final TextMessage expectedTextMessage = producerSession.createTextMessage(testMessage);
    // When
    ActiveMQSession consumerSession = ActiveMQClientITHelper.createSession(getConsumerBrokerName(), getConsumerBrokerUrl());
    MessageConsumer consumer = consumerSession.createConsumer(testQueue);
    // Then
    producer.send(expectedTextMessage);
    Message message = consumer.receive(1000L);
    Assert.assertEquals(testMessage, ((TextMessage) message).getText());
    // Wait till all traces are recorded (consumer traces are recorded from another thread)
    awaitAndVerifyTraceCount(5, 5000L);
    // trace count : 1
    verifyProducerSendEvent(testQueue);
    // trace count : 4
    verifyConsumerPullEvent(testQueue, consumer, expectedTextMessage);
}

Example 15 with TextMessage

use of javax.jms.TextMessage in project meteo by pierre.

the class TopicListener method onMessage.

@Override
public void onMessage(Message message) {
    if (message instanceof TextMessage) {
        TextMessage txtMsg = (TextMessage) message;
        String txt = null;
        try {
            txt = txtMsg.getText();
            log.debug("Received a message, yay!\n" + txt);
            Map event = mapper.readValue(txt, Map.class);
            esperSink.getEPRuntime().sendEvent(event, esperTopicKey);
        } catch (JMSException ex) {
            log.warn("Got an error from the message queue", ex);
        } catch (ClassCastException ex) {
            log.info("Received message that I couldn't parse: " + txt, ex);
        } catch (JsonMappingException ex) {
            log.info("Received message that I couldn't parse: " + txt, ex);
        } catch (JsonParseException ex) {
            log.info("Received message that I couldn't parse: " + txt, ex);
        } catch (IOException ex) {
            log.warn("Got an error from the message queue", ex);
        }
    } else if (message instanceof BytesMessage) {
        final BytesMessage byteMessage = (BytesMessage) message;
        long llen;
        try {
            llen = byteMessage.getBodyLength();
        } catch (JMSException e) {
            log.warn("Unable to get message length", e);
            return;
        }
        if (llen > Integer.MAX_VALUE) {
            // should never occur but...
            log.error("Ridiculously huge message payload, above 32-bit length");
        } else {
            final int len = (int) llen;
            final byte[] data = new byte[len];
            final int readLen;
            try {
                readLen = byteMessage.readBytes(data);
            } catch (JMSException e) {
                log.warn("Unable to get message bytes", e);
                return;
            }
            if (readLen < len) {
                log.error("Failed to read byte message contents; read {}, was trying to read {}", readLen, data.length);
            } else {
                final Map event;
                try {
                    event = mapper.readValue(data, Map.class);
                    esperSink.getEPRuntime().sendEvent(event, esperTopicKey);
                } catch (IOException e) {
                    log.error("Failed to convert message to Esper Event", readLen, data.length);
                }
            }
        }
    } else {
        log.error("Unexpected message type '{}' from AMQ broker: must skip", message.getClass().getName());
    }
}