Example usage for javax.jms Session createProducer

Introduction

In this page you can find the example usage for javax.jms Session createProducer.

Prototype

MessageProducer createProducer(Destination destination) throws JMSException;

Source Link

Document

Creates a MessageProducer to send messages to the specified destination.

Usage

From source file:pl.psnc.synat.wrdz.zu.certificate.CertificateChecker.java

/**
 * Notifies the system monitor that the given user has a certificate that's beyond the expiration threshold.
 * //from www .  j  a  v  a2s  .  c o m
 * @param username
 *            name of the user with the (nearly) expired certificate
 */
private void notifyExpirationCheckFail(String username) {
    QueueConnection connection = null;
    try {
        connection = queueConnectionFactory.createQueueConnection();
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        TextMessage message = session.createTextMessage();
        message.setText(username);
        session.createProducer(certificateQueue).send(message);
    } catch (JMSException e) {
        logger.error("Sending message to the JMS queue failed", e);
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                logger.error("Error while closing a connection.", e);
            }
        }
    }
}

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From source file:eu.domibus.submission.jms.BackendJMSImpl.java

/**
 * This method checks for pending messages received by another gateway and processes them to a JMS destination
 *
 * @param ctx//  w  w  w  .  ja  v  a 2  s  . c o  m
 */
public void executeInternal(final JobExecutionContext ctx) {
    try {

        final Collection<String> ids = this.messageRetriever.listPendingMessages();

        if (!ids.isEmpty() || ids.size() > 0) {
            final String[] messageIds = ids.toArray(new String[ids.size()]);

            Connection connection;
            MessageProducer producer;

            connection = this.cf.createConnection();
            for (final String messageId : messageIds) {
                final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
                producer = session.createProducer(this.receivingQueue);
                producer.setDeliveryMode(DeliveryMode.PERSISTENT);
                final MapMessage resMessage = session.createMapMessage();
                this.downloadMessage(messageId, resMessage);
                producer.send(resMessage);
                producer.close();
                session.close();
            }
            connection.close();
        } else {
            BackendJMSImpl.LOG.debug("No pending messages to send");
        }

    } catch (final JMSException | ValidationException ex) {
        BackendJMSImpl.LOG.error(ex);
    }
}

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From source file:Retailer.java

public void run() {
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(user, password, url);
    try {/*w  w w .  j a  v a  2s .c o m*/
        Connection connection = connectionFactory.createConnection();

        // The Retailer's session is non-trasacted.
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        Destination vendorOrderQueue = session.createQueue("VendorOrderQueue");
        TemporaryQueue retailerConfirmQueue = session.createTemporaryQueue();

        MessageProducer producer = session.createProducer(vendorOrderQueue);
        MessageConsumer replyConsumer = session.createConsumer(retailerConfirmQueue);

        connection.start();

        for (int i = 0; i < 5; i++) {
            MapMessage message = session.createMapMessage();
            message.setString("Item", "Computer(s)");
            int quantity = (int) (Math.random() * 4) + 1;
            message.setInt("Quantity", quantity);
            message.setJMSReplyTo(retailerConfirmQueue);
            producer.send(message);
            System.out.println("Retailer: Ordered " + quantity + " computers.");

            MapMessage reply = (MapMessage) replyConsumer.receive();
            if (reply.getBoolean("OrderAccepted")) {
                System.out.println("Retailer: Order Filled");
            } else {
                System.out.println("Retailer: Order Not Filled");
            }
        }

        // Send a non-MapMessage to signal the end
        producer.send(session.createMessage());

        replyConsumer.close();
        connection.close();

    } catch (JMSException e) {
        e.printStackTrace();
    }
}

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From source file:org.apache.activemq.apollo.JmsQueueBrowserTest.java

/**
 * Tests the queue browser. Browses the messages then the consumer tries to receive them. The messages should still
 * be in the queue even when it was browsed.
 *
 * Re-enable once https://issues.apache.org/jira/browse/APLO-226 is fixed.
 *
 * @throws Exception//from  w ww  . j a v  a 2 s . c om
 */
public void testReceiveBrowseReceive() throws Exception {
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    ActiveMQQueue destination = new ActiveMQQueue("TEST");
    MessageProducer producer = session.createProducer(destination);
    MessageConsumer consumer = session.createConsumer(destination);
    connection.start();

    Message[] outbound = new Message[] { session.createTextMessage("First Message"),
            session.createTextMessage("Second Message"), session.createTextMessage("Third Message") };

    // lets consume any outstanding messages from previous test runs
    while (consumer.receive(1000) != null) {
    }

    producer.send(outbound[0]);
    producer.send(outbound[1]);
    producer.send(outbound[2]);

    // Get the first.
    assertEquals(outbound[0], consumer.receive(1000));
    consumer.close();
    //Thread.sleep(200);

    QueueBrowser browser = session.createBrowser((Queue) destination);
    Enumeration enumeration = browser.getEnumeration();

    // browse the second
    assertTrue("should have received the second message", enumeration.hasMoreElements());
    assertEquals(outbound[1], (Message) enumeration.nextElement());

    // browse the third.
    assertTrue("Should have received the third message", enumeration.hasMoreElements());
    assertEquals(outbound[2], (Message) enumeration.nextElement());

    // There should be no more.
    boolean tooMany = false;
    while (enumeration.hasMoreElements()) {
        LOG.info("Got extra message: " + ((TextMessage) enumeration.nextElement()).getText());
        tooMany = true;
    }
    assertFalse(tooMany);
    browser.close();

    // Re-open the consumer.
    consumer = session.createConsumer(destination);
    // Receive the second.
    assertEquals(outbound[1], consumer.receive(1000));
    // Receive the third.
    assertEquals(outbound[2], consumer.receive(1000));
    consumer.close();

}

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From source file:org.ct.amq.jdbc.security.JdbcAuthenticationPluginTest.java

public void testSecurityContextClearedOnPurge() throws Exception {

    connection.close();/* w w  w .j  a v a 2s.co  m*/
    ActiveMQConnectionFactory tcpFactory = new ActiveMQConnectionFactory(
            broker.getTransportConnectors().get(0).getPublishableConnectString());
    ActiveMQConnection conn = (ActiveMQConnection) tcpFactory.createConnection("user", "password");
    Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
    conn.start();

    final int numDests = broker.getRegionBroker().getDestinations().length;
    for (int i = 0; i < 10; i++) {
        MessageProducer p = sess.createProducer(new ActiveMQQueue("USERS.PURGE." + i));
        p.close();
    }

    assertTrue("dests are purged", Wait.waitFor(new Wait.Condition() {
        @Override
        public boolean isSatisified() throws Exception {
            LOG.info(
                    "dests, orig: " + numDests + ", now: " + broker.getRegionBroker().getDestinations().length);
            return (numDests + 1) == broker.getRegionBroker().getDestinations().length;
        }
    }));

    // verify removed from connection security context
    TransportConnection brokerConnection = broker.getTransportConnectors().get(0).getConnections().get(0);
    TransportConnectionState transportConnectionState = brokerConnection
            .lookupConnectionState(conn.getConnectionInfo().getConnectionId());
    assertEquals("no destinations", 0,
            transportConnectionState.getContext().getSecurityContext().getAuthorizedWriteDests().size());
}

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From source file:org.sakaiproject.kernel.messaging.email.EmailMessagingService.java

public String send(Email email) throws MessagingException, JMSException {
    try {/*from  w  w  w  .j av  a2s  . co m*/
        email.buildMimeMessage();
    } catch (Exception e) {
        // this is a lossy cast. This would be a commons EmailException
        // this up cast is to keep commons-email out of our direct bindings
        throw new MessagingException(e);
    }

    ByteArrayOutputStream os = new ByteArrayOutputStream();
    try {
        email.getMimeMessage().writeTo(os);
    } catch (javax.mail.MessagingException e) {
        throw new MessagingException(e);

    } catch (IOException e) {
        throw new MessagingException(e);
    }

    String content = os.toString();
    Connection conn = connectionFactory.createTopicConnection();
    conn.setClientID(getNextId());
    Session clientSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination emailTopic = clientSession.createTopic(emailQueueName);
    MessageProducer client = clientSession.createProducer(emailTopic);
    ObjectMessage mesg = clientSession.createObjectMessage(content);
    mesg.setJMSType(emailJmsType);
    client.send(mesg);
    // TODO finish this
    return null;

}

---

From source file:org.apache.flume.source.jms.TestIntegrationActiveMQ.java

private void putQueue(List<String> events) throws Exception {
    ConnectionFactory factory = new ActiveMQConnectionFactory(USERNAME, PASSWORD, BROKER_BIND_URL);
    Connection connection = factory.createConnection();
    connection.start();/* ww  w .j a  va2  s. c  o  m*/

    Session session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
    Destination destination = session.createQueue(DESTINATION_NAME);
    MessageProducer producer = session.createProducer(destination);

    for (String event : events) {
        TextMessage message = session.createTextMessage();
        message.setText(event);
        producer.send(message);
    }
    session.commit();
    session.close();
    connection.close();
}

---

From source file:org.apache.flume.source.jms.TestIntegrationActiveMQ.java

private void putTopic(List<String> events) throws Exception {
    ConnectionFactory factory = new ActiveMQConnectionFactory(USERNAME, PASSWORD, BROKER_BIND_URL);
    Connection connection = factory.createConnection();
    connection.start();/*from w w w . j  a v  a2 s  .c o  m*/

    Session session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
    Destination destination = session.createTopic(DESTINATION_NAME);
    MessageProducer producer = session.createProducer(destination);

    for (String event : events) {
        TextMessage message = session.createTextMessage();
        message.setText(event);
        producer.send(message);
    }
    session.commit();
    session.close();
    connection.close();
}

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From source file:org.wso2.carbon.registry.caching.invalidator.connection.JMSNotification.java

@Override
public void publish(Object message) {
    Session pubSession = null;
    try {/*from   w  ww.j  a va2s . c  o  m*/
        if (connection != null) {
            pubSession = connection.createSession(false, TopicSession.AUTO_ACKNOWLEDGE);
            MessageProducer publisher = pubSession.createProducer(destination);
            BytesMessage bytesMessage = pubSession.createBytesMessage();
            bytesMessage.writeBytes((byte[]) message);
            publisher.send(bytesMessage);
        }
    } catch (JMSException e) {
        log.error("Global cache invalidation: Error in publishing the message", e);
    } finally {
        if (pubSession != null) {
            try {
                pubSession.close();
            } catch (JMSException e) {
                log.error("Global cache invalidation: Error in publishing the message", e);
            }
        }
    }
}

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From source file:org.apache.servicemix.wsn.jms.JmsPublisher.java

@Override
public void notify(NotificationMessageHolderType messageHolder, String mes) {
    Session session = null;
    try {//from  w  ww .  ja v  a 2s. co m
        Topic topic = topicConverter.toActiveMQTopic(messageHolder.getTopic());
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = session.createProducer(topic);
        Message message = session.createTextMessage(mes);
        producer.send(message);
    } catch (JMSException e) {
        log.warn("Error dispatching message", e);
    } catch (InvalidTopicException e) {
        log.warn("Error dispatching message", e);
    } finally {
        if (session != null) {
            try {
                session.close();
            } catch (JMSException e) {
                log.debug("Error closing session", e);
            }
        }
    }
}

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