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Java > Open Source Codes > com > caucho > config > ProgramAttributeStrategy


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  * along 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;
31
32 import com.caucho.util.L10N;
33 import com.caucho.xml.QName;
34
35 import org.w3c.dom.Node JavaDoc;
36
37 import java.lang.reflect.InvocationTargetException JavaDoc;
38 import java.lang.reflect.Method JavaDoc;
39
40 public class ProgramAttributeStrategy extends AttributeStrategy {
41   static final L10N L = new L10N(ProgramAttributeStrategy.class);
42
43   private Method JavaDoc _method;
44
45   public ProgramAttributeStrategy(Method JavaDoc method)
46   {
47     _method = method;
48   }
49   
50   /**
51    * Gets the attribute's method
52    */
53   public Method JavaDoc getMethod()
54   {
55     return _method;
56   }
57
58   /**
59    * Sets the attribute's method
60    */
61   public void setMethod(Method JavaDoc method)
62   {
63     _method = method;
64   }
65
66   /**
67    * Return true if the attribute builder adds a program.
68    */
69   public void configure(NodeBuilder builder, Object JavaDoc bean, QName name, Node JavaDoc node)
70     throws Exception JavaDoc
71   {
72     try {
73       BuilderProgram program = new NodeBuilderChildProgram(builder, node);
74       
75       _method.invoke(bean, new Object JavaDoc[] { program });
76     } catch (InvocationTargetException JavaDoc e) {
77       if (e.getCause() instanceof Exception JavaDoc)
78     throw (Exception JavaDoc) e.getCause();
79       else
80     throw e;
81     }
82   }
83 }
84
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