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


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.xml.QName;
35
36 import org.w3c.dom.Node JavaDoc;
37
38 import java.lang.reflect.InvocationTargetException JavaDoc;
39 import java.lang.reflect.Method JavaDoc;
40
41 public class DoubleProperty extends JaxbProperty {
42   private final Method JavaDoc _method;
43   
44   public DoubleProperty(Method JavaDoc method)
45   {
46     _method = method;
47   }
48  
49   /**
50    * Configures the parent object with the given node.
51    *
52    * @param builder the calling node builder (context)
53    * @param bean the bean to be configured
54    * @param name the name of the property
55    * @param node the configuration node for the value
56    */
57   public void configureAttribute(NodeBuilder builder,
58                  Object JavaDoc bean,
59                  QName name,
60                  String JavaDoc value)
61     throws ConfigException
62   {
63   }
64  
65   /**
66    * Configures the parent object with the given node.
67    *
68    * @param builder the calling node builder (context)
69    * @param bean the bean to be configured
70    * @param name the name of the property
71    * @param node the configuration node for the value
72    */
73   public void configureElement(NodeBuilder builder,
74                    Object JavaDoc bean,
75                    QName name,
76                    Node JavaDoc node)
77     throws ConfigException
78   {
79     String JavaDoc textValue = node.getTextContent().trim();
80
81     double value = builder.evalDouble(textValue);
82
83     try {
84       _method.invoke(bean, new Double JavaDoc((double) value));
85     } catch (IllegalAccessException JavaDoc e) {
86       throw builder.error(e, node);
87     } catch (InvocationTargetException JavaDoc e) {
88       throw builder.error(e.getCause(), node);
89     }
90   }
91 }
92
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