ObjectMessageBuilder


1   /* 
2    * Copyright 1999-2004 The Apache Software Foundation
3    * Licensed  under the  Apache License,  Version 2.0  (the "License");
4    * you may not use  this file  except in  compliance with the License.
5    * You may obtain a copy of the License at 
6    * 
7    *   http://www.apache.org/licenses/LICENSE-2.0
8    * 
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed  under the  License is distributed on an "AS IS" BASIS,
11   * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
12   * implied.
13   * 
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.log.output.jms;
18  
19  import javax.jms.JMSException  ;
20  import javax.jms.Message  ;
21  import javax.jms.ObjectMessage  ;
22  import javax.jms.Session  ;
23  import org.apache.log.LogEvent;
24  
25  /**
26   * Basic message factory that stores LogEvent in Message.
27   *
28   * @author <a HREF="mailto:dev@avalon.apache.org">Avalon Development Team</a>
29   * @author Peter Donald
30   */
31  public class ObjectMessageBuilder
32      implements MessageBuilder
33  {
34  
35      /**
36       * Creation of a new message.
37       * @param session the session against which the message will be created
38       * @param event the log event
39       * @return the message
40       * @exception JMSException if a messaging error occurs
41       */
42      public Message   buildMessage( Session   session, LogEvent event )
43          throws JMSException  
44      {
45          //session access is single threaded
46          synchronized( session )
47          {
48              final ObjectMessage   message = session.createObjectMessage();
49              message.setObject( event );
50              return message;
51          }
52      }
53  }
54
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