View Javadoc

1   /*
2    * Copyright 2002,2004 The Apache Software Foundation.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.commons.jelly.tags.jms;
17  
18  import javax.jms.Destination;
19  import javax.jms.JMSException;
20  import javax.jms.Message;
21  
22  import org.apache.commons.jelly.JellyTagException;
23  import org.apache.commons.jelly.XMLOutput;
24  
25  /*** Sends a JMS message to some destination.
26    *
27    * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
28    * @version $Revision: 155420 $
29    */
30  public class SendTag extends MessageOperationTag {
31  
32      /*** The JMS Message to be sent */
33      private Message message;
34  
35      public SendTag() {
36      }
37  
38      // Tag interface
39      //-------------------------------------------------------------------------
40      public void doTag(XMLOutput output) throws JellyTagException {
41          // evaluate body as it may contain a <destination> or message tag
42          invokeBody(output);
43  
44          Message message = getMessage();
45          if ( message == null ) {
46              throw new JellyTagException( "No message specified. Either specify a 'message' attribute or use a nested <jms:message> tag" );
47          }
48  
49          try {
50              Destination destination = getDestination();
51              if ( destination == null ) {
52                  throw new JellyTagException( "No destination specified. Either specify a 'destination' attribute or use a nested <jms:destination> tag" );
53              }
54              getConnection().send( destination, message );
55          }
56          catch (JMSException e) {
57              throw new JellyTagException(e);
58          }
59      }
60  
61      // Properties
62      //-------------------------------------------------------------------------
63      public Message getMessage() {
64          return message;
65      }
66  
67      /***
68       * Sets the JMS message to be sent
69       */
70      public void setMessage(Message message) {
71          this.message = message;
72      }
73  }