Example usage for javax.jms TopicSession createConsumer

Introduction

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

Prototype

MessageConsumer createConsumer(Destination destination) throws JMSException;

Source Link

Document

Creates a MessageConsumer for the specified destination.

Usage

From source file:eu.eubrazilcc.lvl.storage.activemq.ActiveMQConnector.java

public void subscribe(final String topicName, final MessageListener listener) {
    String topicName2 = null;//from   w w  w  .j av a 2s. c  o  m
    checkArgument(isNotBlank(topicName2 = trimToEmpty(topicName)), "Uninitialized or invalid topic");
    checkNotNull(listener);
    TopicConnection conn = null;
    TopicSession session = null;
    MessageConsumer consumer = null;
    try {
        conn = broker().getConsumersConnFactory().createTopicConnection();
        conn.start();
        session = conn.createTopicSession(false, AUTO_ACKNOWLEDGE);
        final Topic topic = session.createTopic(topicName2);
        consumer = session.createConsumer(topic);
        consumer.setMessageListener(listener);
        register(TopicSubscriber.builder().topicName(topicName2).connection(conn).session(session)
                .consumer(consumer).build());
        LOGGER.info("Subscribed to topic: " + topicName2);
    } catch (JMSException e) {
        if (consumer != null) {
            try {
                consumer.close();
            } catch (JMSException ignore) {
            }
        }
        if (session != null) {
            try {
                session.close();
            } catch (JMSException ignore) {
            }
        }
        if (conn != null) {
            try {
                conn.close();
            } catch (JMSException ignore) {
            }
        }
        LOGGER.error("Failed to subscribe to topic: " + topicName2, e);
    }
}

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