BeanUtil


1   /* Copyright 2000-2005 Anders Hovm�ller
2    *
3    * The person or persons who have associated their work with
4    * this document (the "Dedicator") hereby dedicate the entire
5    * copyright in the work of authorship identified below (the
6    * "Work") to the public domain.
7    *
8    * Dedicator makes this dedication for the benefit of the
9    * public at large and to the detriment of Dedicator's heirs
10   * and successors. Dedicator intends this dedication to be an
11   * overt act of relinquishment in perpetuity of all present
12   * and future rights under copyright law, whether vested or
13   * contingent, in the Work. Dedicator understands that such
14   * relinquishment of all rights includes the relinquishment of
15   * all rights to enforce (by lawsuit or otherwise) those
16   * copyrights in the Work.
17   *
18   * Dedicator recognizes that, once placed in the public
19   * domain, the Work may be freely reproduced, distributed,
20   * transmitted, used, modified, built upon, or otherwise
21   * exploited by anyone for any purpose, commercial or non-
22   * commercial, and in any way, including by methods that have
23   * not yet been invented or conceived.
24   */
25  
26  package net.killingar;
27  
28  import java.beans.PropertyDescriptor  ;
29  import java.lang.reflect.Method  ;
30  
31  public class BeanUtil extends webwork.util.BeanUtil
32  {
33      private static final Object  [] readParameters = new Object  [0];
34  
35      public static Object   getProperty(String   key, Object   from) throws IllegalArgumentException  
36      {
37          try
38          {
39              PropertyDescriptor   pdFrom = new PropertyDescriptor  (key, from.getClass());
40  
41              Method   readMethod = pdFrom.getReadMethod();
42              if (readMethod != null)
43                  return pdFrom.getReadMethod().invoke(from, readParameters);
44  
45              throw new IllegalArgumentException  ("Bean copy failed, read method for "+key+" not found");
46          }
47          catch (Exception   e)
48          {
49              e.printStackTrace();
50              throw new IllegalArgumentException  ("Bean copy failed:" + e);
51          }
52      }
53  }
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags