Example usage for javax.jms TopicSubscriber setMessageListener

List of usage examples for javax.jms TopicSubscriber setMessageListener

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Introduction

In this page you can find the example usage for javax.jms TopicSubscriber setMessageListener.

Prototype

void setMessageListener(MessageListener listener) throws JMSException;

Source Link

Document

Sets the MessageConsumer 's MessageListener .

Usage

From source file:org.wso2.carbon.appfactory.eventing.jms.Subscriber.java

public void subscribe() throws AppFactoryEventException {

    Properties properties = new Properties();
    properties.put(Context.INITIAL_CONTEXT_FACTORY, ANDES_ICF);
    properties.put(CF_NAME_PREFIX + CF_NAME, Util.getTCPConnectionURL());
    properties.put(CarbonConstants.REQUEST_BASE_CONTEXT, "true");
    properties.put("topic", topicName);

    try {/*from w ww  .ja  v  a 2 s  .c om*/
        ctx = new InitialContext(properties);
        // Lookup connection factory
        connFactory = (TopicConnectionFactory) ctx.lookup(CF_NAME);
        topicConnection = connFactory.createTopicConnection();
        TopicSession topicSession = topicConnection.createTopicSession(false, TopicSession.CLIENT_ACKNOWLEDGE);
        // create durable subscriber with subscription ID
        Topic topic = null;
        try {
            topic = (Topic) ctx.lookup(topicName);
        } catch (NamingException e) {
            topic = topicSession.createTopic(topicName);
        }
        TopicSubscriber topicSubscriber = topicSession.createDurableSubscriber(topic, subscriptionId);
        topicSubscriber.setMessageListener(messageListener);
        topicConnection.start();
    } catch (NamingException e) {
        String errorMsg = "Failed to subscribe to topic:" + topicName + " due to " + e.getMessage();
        throw new AppFactoryEventException(errorMsg, e);
    } catch (JMSException e) {
        String errorMsg = "Failed to subscribe to topic:" + topicName + " due to " + e.getMessage();
        throw new AppFactoryEventException(errorMsg, e);
    }

}

From source file:org.wso2.carbon.event.core.internal.delivery.jms.JMSDeliveryManager.java

public void subscribe(Subscription subscription) throws EventBrokerException {

    if (isDeactivated()) {
        return;//ww w  . j  av a 2 s .c om
    }

    // in a multi tenant envirionment deployment synchronizer may creates subscriptions before
    // the event observer get activated.
    if (this.subscriptionIDSessionDetailsMap.containsKey(subscription.getId())) {
        log.warn(
                "There is an subscription already exists for the subscription with id " + subscription.getId());
        return;
    }
    JMSMessageListener jmsMessageListener = new JMSMessageListener(this.notificationManager, subscription);
    try {
        TopicConnection topicConnection = getTopicConnection(subscription.getOwner());
        TopicSession topicSession = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

        String topicName = "";
        if (subscription.getTenantDomain() != null && (!subscription.getTenantDomain()
                .equals(org.wso2.carbon.base.MultitenantConstants.SUPER_TENANT_DOMAIN_NAME))) {

            if (!subscription.getTopicName().startsWith("/")) {
                topicName = getTopicName(subscription.getTenantDomain() + "/" + subscription.getTopicName());
            } else {
                topicName = getTopicName(subscription.getTenantDomain() + subscription.getTopicName());
            }
        } else {
            topicName = getTopicName(subscription.getTopicName());
        }
        Topic topic = topicSession.createTopic(topicName);
        //Some times we are not getting the proper topic with the required syntax, if it is not
        //appropriate we need to check and add the BURL syntax to fix the issue https://wso2.org/jira/browse/MB-185
        if (!topic.toString().startsWith("topic://amq.topic")) {
            topic = topicSession.createTopic("BURL:" + topicName);
        }
        TopicSubscriber topicSubscriber = topicSession.createDurableSubscriber(topic, subscription.getId());
        topicSubscriber.setMessageListener(jmsMessageListener);

        this.subscriptionIDSessionDetailsMap.put(subscription.getId(),
                new JMSSubscriptionDetails(topicSubscriber, topicSession, topicConnection));
    } catch (JMSException e) {
        throw new EventBrokerException(
                "Can not subscribe to topic " + subscription.getTopicName() + " " + e.getMessage(), e);
    }
}

From source file:org.wso2.carbon.andes.event.core.internal.delivery.jms.JMSDeliveryManager.java

/**
 * {@inheritDoc}/* w w  w  . ja  v a 2s.  com*/
 */
public void subscribe(Subscription subscription) throws EventBrokerException {

    if (isDeactivated()) {
        return;
    }

    // in a multi tenant environment deployment synchronize may creates subscriptions before
    // the event observer get activated.
    if (this.subscriptionIDSessionDetailsMap.containsKey(subscription.getId())) {
        log.warn(
                "There is an subscription already exists for the subscription with id " + subscription.getId());
        return;
    }
    JMSMessageListener jmsMessageListener = new JMSMessageListener(this.notificationManager, subscription);
    try {
        TopicConnection topicConnection = getTopicConnection(subscription.getOwner());
        TopicSession topicSession = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

        String topicName = "";
        if (subscription.getTenantDomain() != null && (!subscription.getTenantDomain()
                .equals(org.wso2.carbon.base.MultitenantConstants.SUPER_TENANT_DOMAIN_NAME))) {

            if (!subscription.getTopicName().startsWith("/")) {
                topicName = getTopicName(subscription.getTenantDomain() + "/" + subscription.getTopicName());
            } else {
                topicName = getTopicName(subscription.getTenantDomain() + subscription.getTopicName());
            }
        } else {
            topicName = getTopicName(subscription.getTopicName());
        }
        Topic topic = topicSession.createTopic(topicName);
        //Some times we are not getting the proper topic with the required syntax, if it is not
        //appropriate we need to check and add the BURL syntax to fix the issue https://wso2.org/jira/browse/MB-185
        if (!topic.toString().startsWith("topic://amq.topic")) {
            topic = topicSession.createTopic("BURL:" + topicName);
        }
        TopicSubscriber topicSubscriber = topicSession.createDurableSubscriber(topic, subscription.getId());
        topicSubscriber.setMessageListener(jmsMessageListener);

        this.subscriptionIDSessionDetailsMap.put(subscription.getId(),
                new JMSSubscriptionDetails(topicSubscriber, topicSession, topicConnection));
    } catch (JMSException e) {
        throw new EventBrokerException(
                "Can not subscribe to topic " + subscription.getTopicName() + " " + e.getMessage(), e);
    }
}

From source file:org.openmrs.event.EventEngine.java

/**
 * @see Event#subscribe(Destination, EventListener)
 *///  w w  w. ja v a2s .  c  o m
public void subscribe(Destination destination, final EventListener listenerToRegister) {

    initializeIfNeeded();

    TopicConnection conn;
    Topic topic = (Topic) destination;

    try {
        conn = (TopicConnection) jmsTemplate.getConnectionFactory().createConnection();
        TopicSession session = conn.createTopicSession(false, TopicSession.AUTO_ACKNOWLEDGE);
        TopicSubscriber subscriber = session.createSubscriber(topic);
        subscriber.setMessageListener(new MessageListener() {

            @Override
            public void onMessage(Message message) {
                listenerToRegister.onMessage(message);
            }
        });

        //Check if this is a duplicate and remove it
        String key = topic.getTopicName() + DELIMITER + listenerToRegister.getClass().getName();
        if (subscribers.containsKey(key)) {
            unsubscribe(destination, listenerToRegister);
        }

        subscribers.put(key, subscriber);
        conn.start();

    } catch (JMSException e) {
        // TODO Auto-generated catch block. Do something smarter here.
        e.printStackTrace();
    }

    //      List<EventListener> currentListeners = listeners.get(key);
    //
    //      if (currentListeners == null) {
    //         currentListeners = new ArrayList<EventListener>();
    //         currentListeners.add(listenerToRegister);
    //         listeners.put(key, currentListeners);
    //         if (log.isInfoEnabled())
    //            log.info("subscribed: " + listenerToRegister + " to key: "
    //                  + key);
    //
    //      } else {
    //         // prevent duplicates because of weird spring loading
    //         String listernToRegisterName = listenerToRegister.getClass()
    //               .getName();
    //         Iterator<EventListener> iterator = currentListeners.iterator();
    //         while (iterator.hasNext()) {
    //            EventListener lstnr = iterator.next();
    //            if (lstnr.getClass().getName().equals(listernToRegisterName))
    //               iterator.remove();
    //         }
    //
    //         if (log.isInfoEnabled())
    //            log.info("subscribing: " + listenerToRegister + " to key: "
    //                  + key);
    //
    //         currentListeners.add(listenerToRegister);
    //      }

}

From source file:org.apache.stratos.adc.topology.mgt.subscriber.TopologySubscriber.java

public static void subscribe(String topicName) {
    Properties initialContextProperties = new Properties();
    TopicSubscriber topicSubscriber = null;
    TopicSession topicSession = null;/*  w w w.  j  a  va2s. com*/
    TopicConnection topicConnection = null;
    InitialContext initialContext = null;

    initialContextProperties.put("java.naming.factory.initial",
            "org.wso2.andes.jndi.PropertiesFileInitialContextFactory");

    String mbServerIp = System.getProperty(TopologyConstants.MB_SERVER_IP) == null
            ? TopologyConstants.DEFAULT_MB_SERVER_IP
            : System.getProperty(TopologyConstants.MB_SERVER_IP);

    String connectionString = "amqp://admin:admin@clientID/carbon?brokerlist='tcp://" + mbServerIp
            + "'&reconnect='true'";
    initialContextProperties.put("connectionfactory.qpidConnectionfactory", connectionString);

    try {
        initialContext = new InitialContext(initialContextProperties);
        TopicConnectionFactory topicConnectionFactory = (TopicConnectionFactory) initialContext
                .lookup("qpidConnectionfactory");
        topicConnection = topicConnectionFactory.createTopicConnection();
        topicConnection.start();
        topicSession = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

        Topic topic = topicSession.createTopic(topicName);
        topicSubscriber = topicSession.createSubscriber(topic);

        topicSubscriber.setMessageListener(new TopologyListener());

    } catch (Exception e) {
        log.error(e.getMessage(), e);

        try {
            if (topicSubscriber != null) {
                topicSubscriber.close();
            }

            if (topicSession != null) {
                topicSession.close();
            }

            if (topicConnection != null) {
                topicConnection.close();
            }
        } catch (JMSException e1) {
            // ignore
        }

    } finally {
        // start the health checker
        Thread healthChecker = new Thread(new TopicHealthChecker(topicName, topicSubscriber));
        healthChecker.start();
    }
}

From source file:org.okj.commons.broker.SimpleMessageSubscriber.java

/** 
 * @see org.springframework.beans.factory.InitializingBean#afterPropertiesSet()
 *///from  w w  w.  j  a v  a2s  . c  o m
@Override
public void afterPropertiesSet() throws Exception {
    //bean??????
    try {
        if (connectionFactory != null) {
            //1. ?
            this.connection = ((TopicConnectionFactory) connectionFactory).createTopicConnection();

            //2. ??
            this.session = this.connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

            //3. 
            this.topic = session.createTopic(topicName);

            //4. ??
            TopicSubscriber subscriber = null;
            if (StringUtils.isNotBlank(selector)) {
                subscriber = session.createSubscriber(topic, selector, false); //?
            } else {
                subscriber = session.createSubscriber(topic);
            }
            subscriber.setMessageListener(this);

            //2. ??
            this.connection.start();

            LogUtils.info(LOGGER, "???topicName={0}", topicName);
        }
    } catch (JMSException ex) {
        LogUtils.error(LOGGER, "??", ex);
    }
}

From source file:org.carewebframework.jms.GlobalEventDispatcher.java

/**
 * Registers an event subscription with the global event manager. Note that the global event
 * manager has no knowledge of each event's individual subscribers - only that the event of a
 * given name has subscribers. This is because the global event manager need only dispatch
 * events to the local event manager. The local event manager will then dispatch events to the
 * individual subscribers.//www .  j a v  a2  s  .c o  m
 * 
 * @param eventName Name of event.
 * @throws JMSException JMS exception.
 */
private void doHostSubscribe(final String eventName) throws JMSException {

    if (this.subscribers.get(eventName) != null) {
        if (log.isDebugEnabled()) {
            log.debug(String.format("Already subscribed to Topic[%s]", eventName));
        }
        return;
    }
    if (log.isDebugEnabled()) {
        log.debug(String.format("Subscribing to Topic[%s]", eventName));
    }
    final String topicName = JMSUtil.getTopicName(eventName);
    final String selector = JMSUtil.getMessageSelector(eventName, getPublisherInfo());

    // This doesn't actually create a physical topic.  In ActiveMQ, a topic is created on-demand when someone with the
    // authority to create topics submits something to a topic.  By default, everyone has the authority to create topics.  See
    // http://markmail.org/message/us7v5ocnb65m4fdp#query:createtopic%20activemq%20jms+page:1+mid:tce6soq5g7rdkqnw+state:results --lrc
    final Topic topic = this.session.createTopic(topicName);
    final TopicSubscriber subscriber = this.session.createSubscriber(topic, selector, false);
    this.subscribers.put(eventName, subscriber);
    subscriber.setMessageListener(this);
}

From source file:com.zotoh.maedr.device.JmsIO.java

private void inizTopic(Context ctx, Object obj) throws Exception {

    TopicConnectionFactory f = (TopicConnectionFactory) obj;
    final JmsIO me = this;
    TopicConnection conn;/*from   www . j a  v a2 s .  c om*/
    Topic t = (Topic) ctx.lookup(_dest);

    if (!isEmpty(_jmsUser)) {
        conn = f.createTopicConnection(_jmsUser, _jmsPwd);
    } else {
        conn = f.createTopicConnection();
    }

    _conn = conn;

    TopicSession s = conn.createTopicSession(false, Session.CLIENT_ACKNOWLEDGE);
    TopicSubscriber b;

    if (_durable) {
        b = s.createDurableSubscriber(t, GUID.generate());
    } else {
        b = s.createSubscriber(t);
    }

    b.setMessageListener(new MessageListener() {
        public void onMessage(Message msg) {
            me.onMessage(msg);
        }
    });
}

From source file:org.aludratest.service.jms.impl.JmsActionImpl.java

@Override
public void subscribeTopic(MessageListener listener, @TechnicalLocator String destinationName,
        @TechnicalArgument String messageSelector, @TechnicalArgument String subscriptionName,
        @TechnicalArgument boolean durable) throws JMSException {
    if (StringUtils.isEmpty(subscriptionName)) {
        throw new IllegalArgumentException("subscriptionName must be provided to subscribe!");
    }//from  w  ww  .j av a 2  s . c om
    Topic topic;
    try {
        topic = (Topic) context.lookup(destinationName);
    } catch (NamingException e) {
        throw new AutomationException("Could not lookup destination " + destinationName, e);
    }

    LOGGER.debug("Creating topic-subscriber for topic " + destinationName + " and subscriptionname "
            + subscriptionName);
    Connection c = getDynamicConnection(subscriptionName);

    TopicSession ts = (TopicSession) c.createSession(false, Session.AUTO_ACKNOWLEDGE);
    if (durable) {
        TopicSubscriber subscriber = ts.createDurableSubscriber(topic, subscriptionName, messageSelector,
                false);
        subscriber.setMessageListener(listener);
        this.durableConsumers.put(subscriptionName, subscriber);
    } else {
        ts.createSubscriber(topic, messageSelector, true).setMessageListener(listener);
    }

}

From source file:org.apache.stratos.lb.endpoint.subscriber.TopologySubscriber.java

public static void subscribe(String topicName) {
    Properties initialContextProperties = new Properties();
    TopicSubscriber topicSubscriber = null;
    TopicSession topicSession = null;/*from w ww  . jav a2 s . co m*/
    TopicConnection topicConnection = null;
    InitialContext initialContext = null;

    initialContextProperties.put("java.naming.factory.initial",
            "org.wso2.andes.jndi.PropertiesFileInitialContextFactory");

    String mbServerUrl = null;
    if (ConfigHolder.getInstance().getLbConfig() != null) {
        mbServerUrl = ConfigHolder.getInstance().getLbConfig().getLoadBalancerConfig().getMbServerUrl();
    }
    String connectionString = "amqp://admin:admin@clientID/carbon?brokerlist='tcp://"
            + (mbServerUrl == null ? TopologyConstants.DEFAULT_MB_SERVER_URL : mbServerUrl)
            + "'&reconnect='true'";
    initialContextProperties.put("connectionfactory.qpidConnectionfactory", connectionString);

    try {
        initialContext = new InitialContext(initialContextProperties);
        TopicConnectionFactory topicConnectionFactory = (TopicConnectionFactory) initialContext
                .lookup("qpidConnectionfactory");
        topicConnection = topicConnectionFactory.createTopicConnection();
        topicConnection.start();
        topicSession = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

        Topic topic = topicSession.createTopic(topicName);
        topicSubscriber = topicSession.createSubscriber(topic);

        topicSubscriber.setMessageListener(new TopologyListener());

    } catch (Exception e) {
        log.error(e.getMessage(), e);

        try {
            if (topicSubscriber != null) {
                topicSubscriber.close();
            }

            if (topicSession != null) {
                topicSession.close();
            }

            if (topicConnection != null) {
                topicConnection.close();
            }
        } catch (JMSException e1) {
            // ignore
        }

    } finally {
        // start the health checker
        Thread healthChecker = new Thread(new TopicHealthChecker(topicName, topicSubscriber));
        healthChecker.start();
    }
}