BeanPointerFactory


1   /*
2    * Copyright 1999-2004 The Apache Software Foundation
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.commons.jxpath.ri.model.beans;
17  
18  import java.util.Locale  ;
19  
20  import org.apache.commons.jxpath.JXPathBeanInfo;
21  import org.apache.commons.jxpath.JXPathIntrospector;
22  import org.apache.commons.jxpath.ri.QName;
23  import org.apache.commons.jxpath.ri.model.NodePointer;
24  import org.apache.commons.jxpath.ri.model.NodePointerFactory;
25  
26  /**
27   * Implements NodePointerFactory for JavaBeans.
28   *
29   * @author Dmitri Plotnikov
30   * @version $Revision: 1.7 $ $Date: 2004/02/29 14:17:41 $
31   */
32  public class BeanPointerFactory implements NodePointerFactory {
33  
34      public static final int BEAN_POINTER_FACTORY_ORDER = 900;
35  
36      public int getOrder() {
37          return BEAN_POINTER_FACTORY_ORDER;
38      }
39  
40      public NodePointer createNodePointer(
41          QName name,
42          Object   bean,
43          Locale   locale)
44      {
45          JXPathBeanInfo bi = JXPathIntrospector.getBeanInfo(bean.getClass());
46          return new BeanPointer(name, bean, bi, locale);
47      }
48  
49      public NodePointer createNodePointer(
50          NodePointer parent,
51          QName name,
52          Object   bean) 
53      {
54          if (bean == null) {
55              return new NullPointer(parent, name);
56          }
57  
58          JXPathBeanInfo bi = JXPathIntrospector.getBeanInfo(bean.getClass());
59          return new BeanPointer(parent, name, bean, bi);
60      }
61  }
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