01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * 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.program;
31:
32: import java.lang.reflect.*;
33:
34: import com.caucho.config.*;
35: import com.caucho.util.*;
36: import com.caucho.webbeans.context.DependentScope;
37:
38: /**
39: * Injects a field with a constant value
40: */
41: public class FieldValueProgram extends NamedProgram {
42: private static final L10N L = new L10N(FieldValueProgram.class);
43:
44: private final Field _field;
45: private final Object _value;
46:
47: public FieldValueProgram(Field field, Object value) {
48: _field = field;
49: _value = value;
50:
51: _field.setAccessible(true);
52: }
53:
54: /**
55: * Returns the injection name.
56: */
57: public String getName() {
58: return _field.getName();
59: }
60:
61: /**
62: * Injects the bean with the dependencies
63: */
64: @Override
65: public void inject(Object bean, ConfigContext env) {
66: try {
67: _field.set(bean, _value);
68: } catch (IllegalArgumentException e) {
69: throw new ConfigException(ConfigException.loc(_field)
70: + L.l("Can't set field value '{0}'", _value), e);
71: } catch (Exception e) {
72: throw new ConfigException(ConfigException.loc(_field)
73: + e.toString(), e);
74: }
75: }
76: }
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