01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package com.db4o.config.annotations.reflect;
22:
23: import java.lang.annotation.*;
24: import java.lang.reflect.*;
25:
26: /**
27: * @exclude
28: */
29: public class NoArgsFieldConfiguratorFactory implements
30: Db4oConfiguratorFactory {
31: private Constructor _constructor;
32:
33: public NoArgsFieldConfiguratorFactory(Class configuratorClass)
34: throws NoSuchMethodException {
35: _constructor = configuratorClass.getConstructor(new Class[] {
36: String.class, String.class });
37: }
38:
39: public Db4oConfigurator configuratorFor(AnnotatedElement element,
40: Annotation annotation) {
41: try {
42: if (!(element instanceof Field)) {
43: return null;
44: }
45: Field field = (Field) element;
46: String className = field.getDeclaringClass().getName();
47: String fieldName = field.getName();
48: return (Db4oConfigurator) _constructor
49: .newInstance(new Object[] { className, fieldName });
50: } catch (Exception exc) {
51: return null;
52: }
53: }
54: }
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