Example usage for javax.jms Session createConsumer

Introduction

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

Prototype

MessageConsumer createConsumer(Destination destination) throws JMSException;

Source Link

Document

Creates a MessageConsumer for the specified destination.

Usage

From source file:example.tempdest.ProducerRequestReply.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();/*  w  w  w  .j a  v a 2  s . c om*/
    }
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "password", url);
    Connection connection = null;

    try {

        connection = connectionFactory.createConnection();
        connection.start();

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        Destination destination = session.createQueue("test-queue");
        MessageProducer producer = session.createProducer(destination);
        Destination replyDest = session.createTemporaryQueue();

        // set up the consumer to handle the reply
        MessageConsumer replyConsumer = session.createConsumer(replyDest);
        replyConsumer.setMessageListener(new MessageListener() {
            @Override
            public void onMessage(Message message) {
                System.out.println("*** REPLY *** ");
                System.out.println(message.toString());
            }
        });

        TextMessage message = session.createTextMessage("I need a response for this, please");
        message.setJMSReplyTo(replyDest);

        producer.send(message);

        // wait for a response
        TimeUnit.SECONDS.sleep(2);
        producer.close();
        session.close();

    } catch (Exception e) {
        System.out.println("Caught exception!");
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                System.out.println("Could not close an open connection...");
            }
        }
    }
}

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From source file:example.wildcard.Client.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();//from  w ww. j av a 2 s .  c  o m
    }
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "password", url);
    Connection connection = null;

    try {
        Topic senderTopic = new ActiveMQTopic(System.getProperty("topicName"));

        connection = connectionFactory.createConnection("admin", "password");

        Session senderSession = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        MessageProducer sender = senderSession.createProducer(senderTopic);

        Session receiverSession = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);

        String policyType = System.getProperty("wildcard", ".*");
        String receiverTopicName = senderTopic.getTopicName() + policyType;
        Topic receiverTopic = receiverSession.createTopic(receiverTopicName);

        MessageConsumer receiver = receiverSession.createConsumer(receiverTopic);
        receiver.setMessageListener(new MessageListener() {
            public void onMessage(Message message) {
                try {
                    if (message instanceof TextMessage) {
                        String text = ((TextMessage) message).getText();
                        System.out.println("We received a new message: " + text);
                    }
                } catch (JMSException e) {
                    System.out.println("Could not read the receiver's topic because of a JMSException");
                }
            }
        });

        connection.start();
        System.out.println("Listening on '" + receiverTopicName + "'");
        System.out.println("Enter a message to send: ");

        Scanner inputReader = new Scanner(System.in);

        while (true) {
            String line = inputReader.nextLine();
            if (line == null) {
                System.out.println("Done!");
                break;
            } else if (line.length() > 0) {
                try {
                    TextMessage message = senderSession.createTextMessage();
                    message.setText(line);
                    System.out.println("Sending a message: " + message.getText());
                    sender.send(message);
                } catch (JMSException e) {
                    System.out.println("Exception during publishing a message: ");
                }
            }
        }

        receiver.close();
        receiverSession.close();
        sender.close();
        senderSession.close();

    } catch (Exception e) {
        System.out.println("Caught exception!");
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                System.out.println("When trying to close connection: ");
            }
        }
    }

}

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From source file:example.composite.dest.Consumer.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();//from   w  w  w .  j a v  a 2 s . c  o m
    }
    System.out.println("\nWaiting to receive messages... will timeout after " + TIMEOUT / 1000 + "s");
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "password", url);
    Connection connection = null;

    try {

        connection = connectionFactory.createConnection();
        connection.start();

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        Destination destination = session.createQueue("test-queue");
        Destination destinationFoo = session.createQueue("test-queue-foo");
        Destination destinationBar = session.createQueue("test-queue-bar");
        Destination destinationTopicFoo = session.createTopic("test-topic-foo");

        MessageConsumer consumer = session.createConsumer(destination);
        MessageConsumer consumerFoo = session.createConsumer(destinationFoo);
        MessageConsumer consumerBar = session.createConsumer(destinationBar);
        MessageConsumer consumerTopicFoo = session.createConsumer(destinationTopicFoo);

        int i = 0;
        while (true) {
            Message message = consumer.receive(TIMEOUT);

            if (message != null) {
                if (message instanceof TextMessage) {
                    String text = ((TextMessage) message).getText();
                    System.out.println("Got " + i++ + ". message on test-queue: " + text);
                }
            } else {
                break;
            }

            message = consumerFoo.receive(TIMEOUT);

            if (message != null) {
                if (message instanceof TextMessage) {
                    String text = ((TextMessage) message).getText();
                    System.out.println("Got " + i++ + ". message on test-queue-foo: " + text);
                }
            } else {
                break;
            }

            message = consumerBar.receive(TIMEOUT);

            if (message != null) {
                if (message instanceof TextMessage) {
                    String text = ((TextMessage) message).getText();
                    System.out.println("Got " + i++ + ". message on test-queue-bar: " + text);
                }
            } else {
                break;
            }

            message = consumerTopicFoo.receive(TIMEOUT);

            if (message != null) {
                if (message instanceof TextMessage) {
                    String text = ((TextMessage) message).getText();
                    System.out.println("Got " + i++ + ". message on test-topic-bar: " + text);
                }
            } else {
                break;
            }

        }

        consumer.close();
        session.close();

    } catch (Exception e) {
        System.out.println("Caught exception!");
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                System.out.println("Could not close an open connection...");
            }
        }
    }
}

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From source file:org.apache.activemq.demo.SimpleConsumer.java

/**
 * @param args the queue used by the example
 *///from  w ww. ja  v a 2 s  .  c  o  m
public static void main(String[] args) {
    String destinationName = null;
    Context jndiContext = null;
    ConnectionFactory connectionFactory = null;
    Connection connection = null;
    Session session = null;
    Destination destination = null;
    MessageConsumer consumer = null;

    /*
     * Read destination name from command line and display it.
     */
    if (args.length != 1) {
        LOG.info("Usage: java SimpleConsumer <destination-name>");
        System.exit(1);
    }
    destinationName = args[0];
    LOG.info("Destination name is " + destinationName);

    /*
     * Create a JNDI API InitialContext object
     */
    try {
        jndiContext = new InitialContext();
    } catch (NamingException e) {
        LOG.info("Could not create JNDI API " + "context: " + e.toString());
        System.exit(1);
    }

    /*
     * Look up connection factory and destination.
     */
    try {
        connectionFactory = (ConnectionFactory) jndiContext.lookup("ConnectionFactory");
        destination = (Destination) jndiContext.lookup(destinationName);
    } catch (NamingException e) {
        LOG.info("JNDI API lookup failed: " + e.toString());
        System.exit(1);
    }

    /*
     * Create connection. Create session from connection; false means
     * session is not transacted. Create receiver, then start message
     * delivery. Receive all text messages from destination until a non-text
     * message is received indicating end of message stream. Close
     * connection.
     */
    try {
        connection = connectionFactory.createConnection();
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        consumer = session.createConsumer(destination);
        connection.start();
        while (true) {
            Message m = consumer.receive(1);
            if (m != null) {
                if (m instanceof TextMessage) {
                    TextMessage message = (TextMessage) m;
                    LOG.info("Reading message: " + message.getText());
                } else {
                    break;
                }
            }
        }
    } catch (JMSException e) {
        LOG.info("Exception occurred: " + e);
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
            }
        }
    }
}

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From source file:io.datalayer.activemq.consumer.SimpleConsumer.java

/**
 * @param args the queue used by the example
 *///from   w ww . ja v  a  2 s.  co m
public static void main(String... args) {
    String destinationName = null;
    Context jndiContext = null;
    ConnectionFactory connectionFactory = null;
    Connection connection = null;
    Session session = null;
    Destination destination = null;
    MessageConsumer consumer = null;

    /*
     * Read destination name from command line and display it.
     */
    if (args.length != 1) {
        LOG.info("Usage: java SimpleConsumer <destination-name>");
        System.exit(1);
    }
    destinationName = args[0];
    LOG.info("Destination name is " + destinationName);

    /*
     * Create a JNDI API InitialContext object
     */
    try {
        jndiContext = new InitialContext();
    } catch (NamingException e) {
        LOG.info("Could not create JNDI API " + "context: " + e.toString());
        System.exit(1);
    }

    /*
     * Look up connection factory and destination.
     */
    try {
        connectionFactory = (ConnectionFactory) jndiContext.lookup("ConnectionFactory");
        destination = (Destination) jndiContext.lookup(destinationName);
    } catch (NamingException e) {
        LOG.info("JNDI API lookup failed: " + e.toString());
        System.exit(1);
    }

    /*
     * Create connection. Create session from connection; false means
     * session is not transacted. Create receiver, then start message
     * delivery. Receive all text messages from destination until a non-text
     * message is received indicating end of message stream. Close
     * connection.
     */
    try {
        connection = connectionFactory.createConnection();
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        consumer = session.createConsumer(destination);
        connection.start();
        while (true) {
            Message m = consumer.receive(1);
            if (m != null) {
                if (m instanceof TextMessage) {
                    TextMessage message = (TextMessage) m;
                    LOG.info("Reading message: " + message.getText());
                } else {
                    break;
                }
            }
        }
    } catch (JMSException e) {
        LOG.info("Exception occurred: " + e);
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
            }
        }
    }
}

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From source file:org.firstopen.singularity.util.JMSUtil.java

public static Connection registerListenerOnQueue(MessageListener listener, String queueName) throws Exception {
    InitialContext jndiContext = JNDIUtil.getInitialContext();
    Queue queue = (Queue) jndiContext.lookup("queue/" + queueName);
    ConnectionFactory qcf = (ConnectionFactory) jndiContext.lookup("ConnectionFactory");
    Connection connection = qcf.createConnection();
    Session m_session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    MessageConsumer m_receiver = m_session.createConsumer(queue);
    m_receiver.setMessageListener(listener);
    return connection;
}

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From source file:test.SecureSampleApp.java

private static String sendMessage(final String encryptedMessage) {
    return template.execute(new SessionCallback<String>() {
        @Override/*from   ww  w . jav a  2  s.c o m*/
        public String doInJms(Session session) throws JMSException {
            TextMessage message = session.createTextMessage(encryptedMessage);
            Queue outQueue = session.createQueue("receive");
            Destination inDest = session.createTemporaryQueue();
            String correlationID = UUID.randomUUID().toString();
            message.setJMSReplyTo(inDest);
            message.setJMSCorrelationID(correlationID);
            MessageProducer producer = session.createProducer(outQueue);
            producer.send(outQueue, message);
            return ((TextMessage) session.createConsumer(inDest).receive(10000)).getText();
        }
    }, true);
}

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From source file:nl.nn.adapterframework.extensions.esb.EsbUtils.java

public static String receiveMessageAndMoveToErrorStorage(EsbJmsListener esbJmsListener,
        JdbcTransactionalStorage errorStorage) {
    String result = null;//from   w  ww.ja v a2  s .c o m

    PoolingConnectionFactory jmsConnectionFactory = null;
    PoolingDataSource jdbcDataSource = null;
    BitronixTransactionManager btm = null;
    javax.jms.Connection jmsConnection = null;

    try {
        jmsConnectionFactory = getPoolingConnectionFactory(esbJmsListener);
        if (jmsConnectionFactory != null) {
            jdbcDataSource = getPoolingDataSource(errorStorage);
            if (jdbcDataSource != null) {
                String instanceNameLc = AppConstants.getInstance().getString("instance.name.lc", null);
                String logDir = AppConstants.getInstance().getString("log.dir", null);
                TransactionManagerServices.getConfiguration().setServerId(instanceNameLc + ".tm");
                TransactionManagerServices.getConfiguration()
                        .setLogPart1Filename(logDir + File.separator + instanceNameLc + "-btm1.tlog");
                TransactionManagerServices.getConfiguration()
                        .setLogPart2Filename(logDir + File.separator + instanceNameLc + "-btm2.tlog");
                btm = TransactionManagerServices.getTransactionManager();

                jmsConnection = jmsConnectionFactory.createConnection();

                Session jmsSession = null;
                MessageConsumer jmsConsumer = null;

                java.sql.Connection jdbcConnection = null;

                btm.begin();
                log.debug("started transaction [" + btm.getCurrentTransaction().getGtrid() + "]");

                try {
                    jmsSession = jmsConnection.createSession(true, Session.AUTO_ACKNOWLEDGE);
                    String queueName = esbJmsListener.getPhysicalDestinationShortName();
                    Queue queue = jmsSession.createQueue(queueName);
                    jmsConsumer = jmsSession.createConsumer(queue);

                    jmsConnection.start();

                    long timeout = 30000;
                    log.debug("looking for message on queue [" + queueName + "] with timeout of [" + timeout
                            + "] msec");
                    Message rawMessage = jmsConsumer.receive(timeout);

                    if (rawMessage == null) {
                        log.debug("no message found on queue [" + queueName + "]");
                    } else {
                        String id = rawMessage.getJMSMessageID();
                        log.debug("found message on queue [" + queueName + "] with messageID [" + id + "]");
                        Serializable sobj = null;
                        if (rawMessage != null) {
                            if (rawMessage instanceof Serializable) {
                                sobj = (Serializable) rawMessage;
                            } else {
                                try {
                                    sobj = new MessageWrapper(rawMessage, esbJmsListener);
                                } catch (ListenerException e) {
                                    log.error("could not wrap non serializable message for messageId [" + id
                                            + "]", e);
                                    if (rawMessage instanceof TextMessage) {
                                        TextMessage textMessage = (TextMessage) rawMessage;
                                        sobj = textMessage.getText();
                                    } else {
                                        sobj = rawMessage.toString();
                                    }
                                }
                            }
                        }

                        jdbcConnection = jdbcDataSource.getConnection();

                        result = errorStorage.storeMessage(jdbcConnection, id, id,
                                new Date(System.currentTimeMillis()), "moved message", null, sobj);
                    }

                    log.debug("committing transaction [" + btm.getCurrentTransaction().getGtrid() + "]");
                    btm.commit();
                } catch (Exception e) {
                    if (btm.getCurrentTransaction() != null) {
                        log.debug("rolling back transaction [" + btm.getCurrentTransaction().getGtrid() + "]");
                        btm.rollback();
                    }
                    log.error("exception on receiving message and moving to errorStorage", e);
                } finally {
                    if (jdbcConnection != null) {
                        jdbcConnection.close();
                    }
                    if (jmsConnection != null) {
                        jmsConnection.stop();
                    }
                    if (jmsConsumer != null) {
                        jmsConsumer.close();
                    }
                    if (jmsSession != null) {
                        jmsSession.close();
                    }
                }
            }
        }
    } catch (Exception e) {
        log.error("exception on receiving message and moving to errorStorage", e);
    } finally {
        if (jmsConnection != null) {
            try {
                jmsConnection.close();
            } catch (JMSException e) {
                log.warn("exception on closing connection", e);
            }
        }
        if (jmsConnectionFactory != null) {
            jmsConnectionFactory.close();
        }
        if (jdbcDataSource != null) {
            jdbcDataSource.close();
        }
        if (btm != null) {
            btm.shutdown();
        }
    }
    return result;
}

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From source file:Log4jJMSAppenderExample.java

public Log4jJMSAppenderExample() throws Exception {
    // create a logTopic topic consumer
    ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("tcp://localhost:61616");
    Connection conn = factory.createConnection();
    Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
    conn.start();//w w  w.  ja va2  s. c  om
    MessageConsumer consumer = sess.createConsumer(sess.createTopic("logTopic"));
    consumer.setMessageListener(this);
    // log a message
    Logger log = Logger.getLogger(Log4jJMSAppenderExample.class);
    log.info("Test log");
    // clean up
    Thread.sleep(1000);
    consumer.close();
    sess.close();
    conn.close();
    System.exit(1);
}

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From source file:org.apache.activemq.store.kahadb.MultiKahaDBQueueDeletionTest.java

@Override
protected void createConsumer(ActiveMQDestination dest) throws JMSException {
    ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(brokerConnectURI);
    Connection connection = factory.createConnection();
    connection.setClientID("client1");
    connection.start();//from  w w w .  j av  a 2s.co m
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    session.createConsumer(dest);
}

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