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1   /**
2    * This file Copyright (c) 2003-2011 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.cms.taglibs.util;
35  
36  import java.beans.IntrospectionException;
37  import java.beans.PropertyDescriptor;
38  import java.beans.SimpleBeanInfo;
39  import java.util.ArrayList;
40  import java.util.List;
41  
42  import org.apache.commons.lang.StringUtils;
43  import org.apache.commons.lang.UnhandledException;
44  
45  
46  /**
47   * Bean info, needed for the "class" attribute.
48   * @author Fabrizio Giustina
49   * @version $Revision: 45983 $ ($Author: pbaerfuss $)
50   */
51  public class ImgTagBeanInfo extends SimpleBeanInfo {
52  
53      /**
54       * List of exposed properties.
55       */
56      private String[] properties = new String[]{
57          "nodeDataName",
58          "contentNode",
59          "contentNodeName",
60          "contentNodeCollectionName",
61          "inherit",
62          "altNodeDataName",
63          "class",
64          "style",
65          "id",
66          "width",
67          "height"};
68  
69      /**
70       * @see java.beans.BeanInfo#getPropertyDescriptors()
71       */
72      @Override
73      public PropertyDescriptor[] getPropertyDescriptors() {
74  
75          try {
76              List proplist = new ArrayList();
77              for (int j = 0; j < properties.length; j++) {
78                  proplist.add(createPropertyDescriptor(properties[j]));
79              }
80              PropertyDescriptor[] result = new PropertyDescriptor[proplist.size()];
81              return ((PropertyDescriptor[]) proplist.toArray(result));
82  
83          }
84          catch (IntrospectionException ex) {
85              // should never happen
86              throw new UnhandledException(ex.getMessage(), ex);
87          }
88  
89      }
90  
91      /**
92       * Instantiate a property descriptor for the given property.
93       * @param propertyName property name
94       * @return property descriptor
95       * @throws IntrospectionException if the given property is not valid
96       */
97      private PropertyDescriptor createPropertyDescriptor(String propertyName) throws IntrospectionException {
98          return new PropertyDescriptor(propertyName, ImgTag.class, null, "set" + StringUtils.capitalize(propertyName));
99      }
100 
101 }