Examples with TopicPublisher javax.jms.TopicPublisher used on opensource projects

Example 1 with TopicPublisher

use of javax.jms.TopicPublisher in project ACS by ACS-Community.

the class PubSubTest method testTopicConnection.

public void testTopicConnection() throws Exception {
    TopicConnection topicConnection = factory.createTopicConnection();
    assertNotNull("Error creating the TopicConnection", topicConnection);
    TopicSession topicSession = topicConnection.createTopicSession(true, 0);
    assertNotNull("Error creating the TopicSession", topicSession);
    String chName = "TOPIC.TEST";
    Topic topic = topicSession.createTopic(chName);
    assertNotNull("Error creating Topic", topic);
    assertEquals("Wrong name for the topic", chName, topic.getTopicName());
    TopicPublisher publisher = topicSession.createPublisher(topic);
    assertNotNull("Error creating the TopicPublisher ", publisher);
    TopicSubscriber subscriber = topicSession.createSubscriber(topic);
    assertNotNull("Error creating the TopicSubscriber", subscriber);
    subscriber.setMessageListener(this);
    ACSJMSTextMessage msg = new ACSJMSTextMessage(getContainerServices());
    assertNotNull("Error creating ACSJMSTextMessage", msg);
    msg.setText(msgToSend);
    publisher.publish(msg);
    // Wait for awhile to have enough time to receive the message
    try {
        Thread.sleep(10000);
    } catch (Exception e) {
    }
    publisher.close();
    subscriber.close();
}

Example 2 with TopicPublisher

use of javax.jms.TopicPublisher in project carbon-apimgt by wso2.

the class BrokerUtil method publishToTopic.

/**
 * Publish to broker topic
 *
 * @param topicName     publishing topic name
 * @param gatewayEvent    topic message data object
 */
public static void publishToTopic(String topicName, GatewayEvent gatewayEvent) throws GatewayException {
    TopicSession topicSession = null;
    Topic topic = null;
    TopicPublisher topicPublisher = null;
    TopicConnection topicConnection = null;
    try {
        topicConnection = getTopicConnection();
        topicConnection.start();
        topicSession = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
        topic = topicSession.createTopic(topicName);
        topicPublisher = topicSession.createPublisher(topic);
        TextMessage textMessage = topicSession.createTextMessage(new Gson().toJson(gatewayEvent));
        topicPublisher.publish(textMessage);
    } catch (JMSException e) {
        String errorMessage = "Error occurred while publishing " + gatewayEvent.getEventType() + " event to JMS " + "topic :" + topicName;
        log.error(errorMessage, e);
        throw new GatewayException(errorMessage, ExceptionCodes.GATEWAY_EXCEPTION);
    } catch (BrokerException e) {
        String errorMessage = "Error occurred while obtaining broker topic connection for topic : " + topicName;
        log.error(errorMessage, e);
        throw new GatewayException(errorMessage, ExceptionCodes.GATEWAY_EXCEPTION);
    } finally {
        if (topicPublisher != null) {
            try {
                topicPublisher.close();
            } catch (JMSException e) {
                log.error("Error occurred while closing topic publisher for topic : " + topicName);
            }
        }
        if (topicSession != null) {
            try {
                topicSession.close();
            } catch (JMSException e) {
                log.error("Error occurred while closing topic session for topic : " + topicName);
            }
        }
        if (topicConnection != null) {
            try {
                topicConnection.close();
            } catch (JMSException e) {
                log.error("Error occurred while closing topic connection for topic : " + topicName);
            }
        }
    }
}

Example 3 with TopicPublisher

use of javax.jms.TopicPublisher in project rabbitmq-jms-client by rabbitmq.

the class SimpleDurableTopicMessageIT method testSendAndReceiveTextMessage.

@Test
public void testSendAndReceiveTextMessage() throws Exception {
    topicConn.start();
    TopicSession topicSession = topicConn.createTopicSession(false, Session.DUPS_OK_ACKNOWLEDGE);
    Topic topic = topicSession.createTopic(TOPIC_NAME);
    TopicPublisher sender = topicSession.createPublisher(topic);
    TopicSubscriber receiver1 = topicSession.createDurableSubscriber(topic, DURABLE_SUBSCRIBER_NAME);
    TopicSubscriber receiver2 = topicSession.createSubscriber(topic);
    sender.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
    TextMessage message = topicSession.createTextMessage(MESSAGE_TEXT_1);
    sender.send(message);
    assertEquals(MESSAGE_TEXT_1, ((TextMessage) receiver1.receive()).getText());
    assertEquals(MESSAGE_TEXT_1, ((TextMessage) receiver2.receive()).getText());
    topicSession.unsubscribe(DURABLE_SUBSCRIBER_NAME);
}

Example 4 with TopicPublisher

use of javax.jms.TopicPublisher in project rabbitmq-jms-client by rabbitmq.

the class SimpleTopicMessageIT method testSendAndReceiveTextMessage.

@Test
public void testSendAndReceiveTextMessage() throws Exception {
    topicConn.start();
    TopicSession topicSession = topicConn.createTopicSession(false, Session.DUPS_OK_ACKNOWLEDGE);
    Topic topic = topicSession.createTopic(TOPIC_NAME);
    TopicPublisher sender = topicSession.createPublisher(topic);
    TopicSubscriber receiver1 = topicSession.createSubscriber(topic);
    TopicSubscriber receiver2 = topicSession.createSubscriber(topic);
    sender.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
    TextMessage message = topicSession.createTextMessage(MESSAGE_TEXT_1);
    sender.send(message);
    assertEquals(MESSAGE_TEXT_1, ((TextMessage) receiver1.receive()).getText());
    assertEquals(MESSAGE_TEXT_1, ((TextMessage) receiver2.receive()).getText());
}

Example 5 with TopicPublisher

use of javax.jms.TopicPublisher in project rabbitmq-jms-client by rabbitmq.

the class SimpleTopicMessageIT method testSendAndReceiveWildTopicTestMessage.

@Test
public void testSendAndReceiveWildTopicTestMessage() throws Exception {
    topicConn.start();
    TopicSession topicSession = topicConn.createTopicSession(false, Session.DUPS_OK_ACKNOWLEDGE);
    Topic explicitTopicDestination = topicSession.createTopic(TOPIC_NAME);
    Topic wildTopicDestination = topicSession.createTopic(WILD_TOPIC_NAME);
    TopicPublisher sender = topicSession.createPublisher(explicitTopicDestination);
    TopicSubscriber receiver = topicSession.createSubscriber(wildTopicDestination);
    sender.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
    TextMessage message = topicSession.createTextMessage(MESSAGE_TEXT_2);
    sender.send(message);
    TextMessage textMessage = (TextMessage) receiver.receive();
    assertEquals(MESSAGE_TEXT_2, textMessage.getText(), "Failed to receive proper text message");
    assertEquals(explicitTopicDestination, textMessage.getJMSDestination(), "Incorrect publisher destination on received message");
}