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Java > Open Source Codes > com > caucho > config > jaxb > AdapterField


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * afloat with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.config.jaxb;
31
32 import com.caucho.config.ConfigException;
33 import com.caucho.config.NodeBuilder;
34 import com.caucho.config.TypeStrategy;
35 import com.caucho.xml.QName;
36
37 import org.w3c.dom.Node JavaDoc;
38
39 import javax.xml.bind.annotation.adapters.XmlAdapter;
40 import java.lang.reflect.Field JavaDoc;
41 import java.lang.reflect.InvocationTargetException JavaDoc;
42
43 public class AdapterField extends JaxbProperty {
44   private final TypeStrategy _typeMarshal;
45   private final XmlAdapter _adapter;
46   private final Field JavaDoc _field;
47   
48   public AdapterField(Field JavaDoc field,
49               TypeStrategy typeMarshal,
50               XmlAdapter adapter)
51   {
52     _typeMarshal = typeMarshal;
53     _adapter = adapter;
54     
55     _field = field;
56
57     field.setAccessible(true);
58   }
59  
60   /**
61    * Configures the parent object with the given node.
62    *
63    * @param builder the calling node builder (context)
64    * @param bean the bean to be configured
65    * @param name the name of the property
66    * @param node the configuration node for the value
67    */
68   public void configureAttribute(NodeBuilder builder,
69                  Object JavaDoc bean,
70                  QName name,
71                  String JavaDoc value)
72     throws ConfigException
73   {
74   }
75  
76   /**
77    * Configures the parent object with the given node.
78    *
79    * @param builder the calling node builder (context)
80    * @param bean the bean to be configured
81    * @param name the name of the property
82    * @param node the configuration node for the value
83    */
84   public void configureElement(NodeBuilder builder,
85                    Object JavaDoc bean,
86                    QName name,
87                    Node JavaDoc node)
88     throws ConfigException
89   {
90     try {
91       Object JavaDoc value = _typeMarshal.configure(builder, node, bean);
92
93       Object JavaDoc bound = _adapter.unmarshal(value);
94
95       _field.set(bean, bound);
96     } catch (RuntimeException JavaDoc e) {
97       throw e;
98     } catch (InvocationTargetException JavaDoc e) {
99       throw builder.error(e.getCause(), node);
100     } catch (Exception JavaDoc e) {
101       throw builder.error(e, node);
102     }
103   }
104 }
105
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