Create JMS Message Producer - Java Message

Java examples for Message:JMS

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Description

Create JMS Message Producer

Demo Code

/**//from w w w . j ava 2s  . com
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.amq.jms;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.Topic;
import javax.naming.InitialContext;

/**
 * @author <a href="mailto:andy.taylor@jboss.org">Andy Taylor</a>
 */
public class TopicSender {
    public static void main(String[] args) throws Exception {

        InitialContext initialContext = new InitialContext();
        Topic topic = (Topic) initialContext.lookup("topic/exampleTopic");
        ConnectionFactory cf = (ConnectionFactory) initialContext
                .lookup("ConnectionFactory");
        try (Connection connection = cf.createConnection();
                Session session = connection.createSession(false,
                        Session.AUTO_ACKNOWLEDGE);) {
            MessageProducer producer = session.createProducer(topic);
            TextMessage message_1 = session
                    .createTextMessage("this is the 1st message");
            TextMessage message_2 = session
                    .createTextMessage("this is the 2nd message");
            producer.send(message_1);
            producer.send(message_2);
            System.out.println("2 messages sent");
            System.exit(0);
        }
    }
}

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