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1   /*
2    * $Id: MapPropertyExtractor.java 7976 2007-08-21 14:26:13Z dirk.olmes $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  
11  package org.mule.util.properties;
12  
13  import org.mule.umo.UMOMessage;
14  
15  import java.util.Map;
16  
17  /**
18   * If the message payload is a map this extractor will look up the property value in
19   * the map
20   */
21  public class MapPropertyExtractor implements PropertyExtractor
22  {
23  
24      public Object getProperty(String name, Object message)
25      {
26          Object payload = message;
27          if (message instanceof UMOMessage)
28          {
29              payload = ((UMOMessage) message).getPayload();
30          }
31          if (payload instanceof Map)
32          {
33              return ((Map) payload).get(name);
34          }
35          return null;
36      }
37  }