01: /***
02: * Retrotranslator: a Java bytecode transformer that translates Java classes
03: * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
04: *
05: * Copyright (c) 2005 - 2008 Taras Puchko
06: * All rights reserved.
07: *
08: * Redistribution and use in source and binary forms, with or without
09: * 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: */package net.sf.retrotranslator.runtime.java.lang.reflect;
32:
33: import java.lang.annotation.Annotation;
34: import java.lang.reflect.*;
35: import net.sf.retrotranslator.runtime.asm.Opcodes;
36: import net.sf.retrotranslator.runtime.impl.*;
37:
38: /**
39: * @author Taras Puchko
40: */
41: public class _Field {
42:
43: public static Annotation getAnnotation(Field field,
44: Class annotationType) {
45: return FieldDescriptor.getInstance(field).getAnnotation(
46: annotationType);
47: }
48:
49: public static Annotation[] getAnnotations(Field field) {
50: return FieldDescriptor.getInstance(field).getAnnotations();
51: }
52:
53: public static Annotation[] getDeclaredAnnotations(Field field) {
54: return FieldDescriptor.getInstance(field)
55: .getDeclaredAnnotations();
56: }
57:
58: public static Type getGenericType(Field field) {
59: return RuntimeTools.getType(field.getType(), FieldDescriptor
60: .getInstance(field).getGenericType());
61: }
62:
63: public static boolean isAnnotationPresent(Field field,
64: Class annotationType) {
65: return FieldDescriptor.getInstance(field).isAnnotationPresent(
66: annotationType);
67: }
68:
69: public static boolean isEnumConstant(Field field) {
70: return FieldDescriptor.getInstance(field).isAccess(
71: Opcodes.ACC_ENUM);
72: }
73:
74: public static boolean isSynthetic(Field field) {
75: return FieldDescriptor.getInstance(field).isAccess(
76: Opcodes.ACC_SYNTHETIC);
77: }
78:
79: public static String toGenericString(Field field) {
80: StringBuilder builder = new StringBuilder();
81: if (field.getModifiers() != 0) {
82: builder.append(Modifier.toString(field.getModifiers()))
83: .append(' ');
84: }
85: builder.append(RuntimeTools.getString(getGenericType(field)))
86: .append(' ');
87: builder.append(
88: RuntimeTools.getString(field.getDeclaringClass()))
89: .append('.');
90: return builder.append(field.getName()).toString();
91: }
92: }
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