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1   /*
2    * JBoss, Home of Professional Open Source
3    * Copyright 2014, Red Hat, Inc. and/or its affiliates, and individual
4    * contributors by the @authors tag. See the copyright.txt in the
5    * distribution for a full listing of individual contributors.
6    *
7    * Licensed under the Apache License, Version 2.0 (the "License");
8    * you may not use this file except in compliance with the License.
9    * You may obtain a copy of the License at
10   * http://www.apache.org/licenses/LICENSE-2.0
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.jboss.as.quickstarts.mdb;
18  
19  import java.util.logging.Logger;
20  import javax.ejb.ActivationConfigProperty;
21  import javax.ejb.MessageDriven;
22  import javax.jms.JMSException;
23  import javax.jms.Message;
24  import javax.jms.MessageListener;
25  import javax.jms.TextMessage;
26  
27  /**
28   * <p>
29   * A simple Message Driven Bean that asynchronously receives and processes the messages that are sent to the queue.
30   * </p>
31   * 
32   * @author Serge Pagop (spagop@redhat.com)
33   * 
34   */
35  @MessageDriven(name = "HelloWorldQueueMDB", activationConfig = {
36          @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue"),
37          @ActivationConfigProperty(propertyName = "destination", propertyValue = "${property.helloworldmdb.queue}"),   
38          @ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge") })
39  public class HelloWorldQueueMDB implements MessageListener {
40  
41      private final static Logger LOGGER = Logger.getLogger(HelloWorldQueueMDB.class.toString());
42  
43      /**
44       * @see MessageListener#onMessage(Message)
45       */
46      public void onMessage(Message rcvMessage) {
47          TextMessage msg = null;
48          try {
49              if (rcvMessage instanceof TextMessage) {
50                  msg = (TextMessage) rcvMessage;
51                  LOGGER.info("Received Message from queue: " + msg.getText());
52              } else {
53                  LOGGER.warning("Message of wrong type: " + rcvMessage.getClass().getName());
54              }
55          } catch (JMSException e) {
56              throw new RuntimeException(e);
57          }
58      }
59  }