content: package example.tempdest; /**
   * 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
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * 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.
   */
  
  import org.apache.activemq.ActiveMQConnectionFactory;
  
  import jakarta.jms.*;
  import java.util.concurrent.TimeUnit;
  
  /**
   * @author <a href="http://www.christianposta.com/blog">Christian Posta</a>
   */
  public class ProducerRequestReply{
  
      private static final String BROKER_URL = "tcp://localhost:61616";
      private static final Boolean NON_TRANSACTED = false;
      private static final int NUM_MESSAGES_TO_SEND = 100;
      private static final long DELAY = 100;
  
      public static void main(String[] args) {
          String url = BROKER_URL;
          if (args.length > 0) {
              url = args[0].trim();
          }
          ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "password", url);
          Connection connection = null;
  
          try {
  
              connection = connectionFactory.createConnection();
              connection.start();
  
              Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
              Destination destination = session.createQueue("test-queue");
              MessageProducer producer = session.createProducer(destination);
              Destination replyDest = session.createTemporaryQueue();
  
              // set up the consumer to handle the reply
              MessageConsumer replyConsumer = session.createConsumer(replyDest);
              replyConsumer.setMessageListener(new MessageListener() {
                  @Override
                  public void onMessage(Message message) {
                      System.out.println("*** REPLY *** ");
                      System.out.println(message.toString());
                  }
              });
  
              TextMessage message = session.createTextMessage("I need a response for this, please");
              message.setJMSReplyTo(replyDest);
  
              producer.send(message);
  
              // wait for a response
              TimeUnit.SECONDS.sleep(2);
              producer.close();
              session.close();
  
          } catch (Exception e) {
              System.out.println("Caught exception!");
          }
          finally {
              if (connection != null) {
                  try {
                      connection.close();
                  } catch (JMSException e) {
                      System.out.println("Could not close an open connection...");
                  }
              }
          }
      }
  
  }
  