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1   /***
2    * Licensed under the Artistic License; you may not use this file
3    * except in compliance with the License.
4    * You may obtain a copy of the License at
5    *
6    *      http://displaytag.sourceforge.net/license.html
7    *
8    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
9    * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
10   * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
11   */
12  package org.displaytag.tags.el;
13  
14  import java.beans.IntrospectionException;
15  import java.beans.PropertyDescriptor;
16  import java.beans.SimpleBeanInfo;
17  import java.util.ArrayList;
18  import java.util.List;
19  
20  
21  /***
22   * BeanInfo descriptor for the <code>ELCaptionTag</code> class. Unevaluated EL expression has to be kept separately
23   * from the evaluated value, since the JSP compiler can choose to reuse different tag instances if they received the
24   * same original attribute values, and the JSP compiler can choose to not re-call the setter methods.
25   * @author Fabrizio Giustina
26   * @version $Revision: 1.3 $ ($Author: fgiust $)
27   */
28  public class ELCaptionTagBeanInfo extends SimpleBeanInfo
29  {
30  
31      /***
32       * @see java.beans.BeanInfo#getPropertyDescriptors()
33       */
34      public PropertyDescriptor[] getPropertyDescriptors()
35      {
36          List proplist = new ArrayList();
37  
38          try
39          {
40              proplist.add(new PropertyDescriptor("class", //$NON-NLS-1$
41                  ELCaptionTag.class, null, "setClass")); //$NON-NLS-1$ 
42              proplist.add(new PropertyDescriptor("dir", //$NON-NLS-1$
43                  ELCaptionTag.class, null, "setDir")); //$NON-NLS-1$ 
44              proplist.add(new PropertyDescriptor("id", //$NON-NLS-1$
45                  ELCaptionTag.class, null, "setId")); //$NON-NLS-1$ 
46              proplist.add(new PropertyDescriptor("lang", //$NON-NLS-1$
47                  ELCaptionTag.class, null, "setLang")); //$NON-NLS-1$ 
48              proplist.add(new PropertyDescriptor("style", //$NON-NLS-1$
49                  ELCaptionTag.class, null, "setStyle")); //$NON-NLS-1$ 
50              proplist.add(new PropertyDescriptor("title", //$NON-NLS-1$
51                  ELCaptionTag.class, null, "setTitle")); //$NON-NLS-1$ 
52          }
53          catch (IntrospectionException ex)
54          {
55              // ignore, this should never happen
56          }
57  
58          PropertyDescriptor[] result = new PropertyDescriptor[proplist.size()];
59          return ((PropertyDescriptor[]) proplist.toArray(result));
60      }
61  
62  }