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Java > Open Source Codes > net > sf > retrotranslator > runtime > java > lang > reflect > _AccessibleObject


1 /***
2  * Retrotranslator: a Java bytecode transformer that translates Java classes
3  * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
4  *
5  * Copyright (c) 2005 - 2007 Taras Puchko
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in the
15  * documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the copyright holders nor the names of its
17  * contributors may be used to endorse or promote products derived from
18  * this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30  * THE POSSIBILITY OF SUCH DAMAGE.
31  */

32 package net.sf.retrotranslator.runtime.java.lang.reflect;
33
34 import java.lang.reflect.*;
35 import net.sf.retrotranslator.runtime.java.lang.annotation.Annotation_;
36
37 /**
38  * @author Taras Puchko
39  */

40 public class _AccessibleObject {
41
42     public static Annotation_ getAnnotation(AccessibleObject accessibleObject, Class JavaDoc annotationType) {
43         if (accessibleObject instanceof Constructor) {
44             return _Constructor.getAnnotation((Constructor) accessibleObject, annotationType);
45         }
46         if (accessibleObject instanceof Field) {
47             return _Field.getAnnotation((Field) accessibleObject, annotationType);
48         }
49         if (accessibleObject instanceof Method) {
50             return _Method.getAnnotation((Method) accessibleObject, annotationType);
51         }
52         return null;
53     }
54
55     public static Annotation_[] getAnnotations(AccessibleObject accessibleObject) {
56         if (accessibleObject instanceof Constructor) {
57             return _Constructor.getAnnotations((Constructor) accessibleObject);
58         }
59         if (accessibleObject instanceof Field) {
60             return _Field.getAnnotations((Field) accessibleObject);
61         }
62         if (accessibleObject instanceof Method) {
63             return _Method.getAnnotations((Method) accessibleObject);
64         }
65         return new Annotation_[0];
66     }
67
68     public static Annotation_[] getDeclaredAnnotations(AccessibleObject accessibleObject) {
69         if (accessibleObject instanceof Constructor) {
70             return _Constructor.getDeclaredAnnotations((Constructor) accessibleObject);
71         }
72         if (accessibleObject instanceof Field) {
73             return _Field.getDeclaredAnnotations((Field) accessibleObject);
74         }
75         if (accessibleObject instanceof Method) {
76             return _Method.getDeclaredAnnotations((Method) accessibleObject);
77         }
78         return new Annotation_[0];
79     }
80
81     public static boolean isAnnotationPresent(AccessibleObject accessibleObject, Class JavaDoc annotationType) {
82         if (accessibleObject instanceof Constructor) {
83             return _Constructor.isAnnotationPresent((Constructor) accessibleObject, annotationType);
84         }
85         if (accessibleObject instanceof Field) {
86             return _Field.isAnnotationPresent((Field) accessibleObject, annotationType);
87         }
88         if (accessibleObject instanceof Method) {
89             return _Method.isAnnotationPresent((Method) accessibleObject, annotationType);
90         }
91         return false;
92     }
93
94 }
95
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