Example usage for javax.jms TopicSession createTopic

Introduction

In this page you can find the example usage for javax.jms TopicSession createTopic.

Prototype

Topic createTopic(String topicName) throws JMSException;

Source Link

Document

Creates a topic identity given a Topic name.

Usage

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

public void subscribe(Subscription subscription) throws EventBrokerException {

    if (isDeactivated()) {
        return;// w  w 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);
    }
}

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

public void publish(Message message, String topicName, int deliveryMode) throws EventBrokerException {

    if (isDeactivated()) {
        return;//  ww w . ja v a 2  s. c  o  m
    }

    try {
        String userName = getLoggedInUserName();
        if ((userName == null) || (userName.equals(""))) {
            // use the system user name
            userName = CarbonConstants.REGISTRY_SYSTEM_USERNAME;
        }

        TopicConnection topicConnection = getTopicConnection(userName);
        TopicSession topicSession = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);

        String tenantDomain = EventBrokerHolder.getInstance().getTenantDomain();
        if (tenantDomain != null
                && (!tenantDomain.equals(org.wso2.carbon.base.MultitenantConstants.SUPER_TENANT_DOMAIN_NAME))) {
            if (!topicName.startsWith("/")) {
                topicName = getTopicName(tenantDomain + "/" + topicName);
            } else {
                topicName = getTopicName(tenantDomain + topicName);
            }
        } else {
            topicName = getTopicName(topicName);
        }

        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);
        }
        TopicPublisher topicPublisher = topicSession.createPublisher(topic);
        topicPublisher.setDeliveryMode(deliveryMode);
        TextMessage textMessage = topicSession.createTextMessage(message.getMessage().toString());

        Map<String, String> properties = message.getProperties();
        for (String key : properties.keySet()) {
            textMessage.setStringProperty(key, properties.get(key));
        }

        // saving the domain to be used send with the soap header
        if (CarbonContext.getThreadLocalCarbonContext().getTenantDomain() != null) {
            textMessage.setStringProperty(MultitenantConstants.TENANT_DOMAIN_HEADER_NAME,
                    CarbonContext.getThreadLocalCarbonContext().getTenantDomain());
        }

        topicPublisher.publish(textMessage);
        topicPublisher.close();
        topicSession.close();
        topicConnection.stop();
        topicConnection.close();
    } catch (JMSException e) {
        throw new EventBrokerException("Can not publish to topic " + topicName + " " + e.getMessage(), e);
    }
}

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