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Java > Open Source Codes > com > caucho > config > j2ee > PropertyInject


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.j2ee;
31
32 import com.caucho.config.ConfigException;
33 import com.caucho.util.L10N;
34
35 import java.lang.reflect.Method JavaDoc;
36 import java.util.logging.Logger JavaDoc;
37
38
39 public class PropertyInject extends AccessibleInject {
40   private static final Logger JavaDoc log
41     = Logger.getLogger(PropertyInject.class.getName());
42   private static final L10N L = new L10N(PropertyInject.class);
43
44   private Method JavaDoc _method;
45   private Class JavaDoc _type;
46
47   PropertyInject(Method JavaDoc method)
48   {
49     _method = method;
50
51     Class JavaDoc []paramTypes = method.getParameterTypes();
52     _type = paramTypes[0];
53     
54     _method.setAccessible(true);
55   }
56
57   String JavaDoc getName()
58   {
59     return _method.getName();
60   }
61
62   Class JavaDoc getType()
63   {
64     return _type;
65   }
66
67   void inject(Object JavaDoc bean, Object JavaDoc value)
68     throws ConfigException
69   {
70     try {
71       if (! _type.isAssignableFrom(value.getClass())) {
72     throw new ConfigException(L.l("Resource type {0} is not assignable to method '{1}' of type {2}.",
73                       value.getClass().getName(),
74                       _method.getName(),
75                       _type.getName()));
76       }
77
78       _method.invoke(bean, value);
79     } catch (RuntimeException JavaDoc e) {
80       throw e;
81     } catch (Exception JavaDoc e) {
82       throw new ConfigException(e);
83     }
84   }
85 }
86
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