QNameAwareObjectWrapper


1   /*
2    * Copyright (C) 2005 Alfresco, Inc.
3    *
4    * Licensed under the Mozilla Public License version 1.1 
5    * with a permitted attribution clause. You may obtain a
6    * copy of the License at
7    *
8    *   http://www.alfresco.org/legal/license.txt
9    *
10   * Unless required by applicable law or agreed to in writing,
11   * software distributed under the License is distributed on an
12   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific
14   * language governing permissions and limitations under the
15   * License.
16   */
17  package org.alfresco.repo.template;
18  
19  import java.util.Map  ;
20  
21  import org.alfresco.service.namespace.QNameMap;
22  
23  import freemarker.template.DefaultObjectWrapper;
24  import freemarker.template.ObjectWrapper;
25  import freemarker.template.SimpleHash;
26  import freemarker.template.TemplateModel;
27  import freemarker.template.TemplateModelException;
28  
29  /**
30   * @author Kevin Roast
31   */
32  public class QNameAwareObjectWrapper extends DefaultObjectWrapper
33  {
34      /**
35       * Override to support wrapping of a QNameNodeMap by our custom wrapper object
36       */
37      public TemplateModel wrap(Object   obj) throws TemplateModelException
38      {
39          if (obj instanceof QNameMap)
40          {
41              return new QNameHash((QNameMap)obj, this);
42          }
43          else
44          {
45              return super.wrap(obj);
46          }
47      }
48      
49      
50      /**
51       * Inner class to support clone of QNameNodeMap
52       */
53      class QNameHash extends SimpleHash
54      {
55          /**
56           * Constructor
57           * 
58           * @param map
59           * @param wrapper
60           */
61          public QNameHash(QNameMap map, ObjectWrapper wrapper)
62          {
63              super(map, wrapper);
64          }
65          
66          /**
67           * Override to support clone of a QNameNodeMap object
68           */
69          protected Map   copyMap(Map   map)
70          {
71              if (map instanceof QNameMap)
72              {
73                  return (Map  )((QNameMap)map).clone();
74              }
75              else
76              {
77                  return super.copyMap(map);
78              }
79          }
80      }
81  }
82
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