KickJava   Java API By Example, From Geeks To Geeks.

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


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._Class;
36
37 /**
38  * @author Taras Puchko
39  */
40 public class _GenericDeclaration {
41
42     public static boolean executeInstanceOfInstruction(Object JavaDoc object) {
43         return object instanceof Class JavaDoc ||
44                 object instanceof Constructor ||
45                 object instanceof Method ||
46                 object instanceof GenericDeclaration_;
47     }
48
49     public static Object JavaDoc executeCheckCastInstruction(Object JavaDoc object) {
50         if (object instanceof Class JavaDoc) {
51             return (Class JavaDoc) object;
52         }
53         if (object instanceof Constructor) {
54             return (Constructor) object;
55         }
56         if (object instanceof Method) {
57             return (Method) object;
58         }
59         return (GenericDeclaration_) object;
60     }
61
62     public static TypeVariable[] getTypeParameters(Object JavaDoc object) {
63         if (object instanceof Class JavaDoc) {
64             return _Class.getTypeParameters((Class JavaDoc) object);
65         }
66         if (object instanceof Constructor) {
67             return _Constructor.getTypeParameters((Constructor) object);
68         }
69         if (object instanceof Method) {
70             return _Method.getTypeParameters((Method) object);
71         }
72         return ((GenericDeclaration_) object).getTypeParameters();
73     }
74 }
75
Popular Tags