001: /***
002: * Retrotranslator: a Java bytecode transformer that translates Java classes
003: * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
004: *
005: * Copyright (c) 2005 - 2008 Taras Puchko
006: * All rights reserved.
007: *
008: * Redistribution and use in source and binary forms, with or without
009: * modification, are permitted provided that the following conditions
010: * are met:
011: * 1. Redistributions of source code must retain the above copyright
012: * notice, this list of conditions and the following disclaimer.
013: * 2. Redistributions in binary form must reproduce the above copyright
014: * notice, this list of conditions and the following disclaimer in the
015: * documentation and/or other materials provided with the distribution.
016: * 3. Neither the name of the copyright holders nor the names of its
017: * contributors may be used to endorse or promote products derived from
018: * this software without specific prior written permission.
019: *
020: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
021: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
022: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
023: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
024: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
025: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
026: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
027: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
028: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
029: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
030: * THE POSSIBILITY OF SUCH DAMAGE.
031: */package net.sf.retrotranslator.runtime.impl;
032:
033: import java.lang.annotation.Annotation;
034: import java.lang.reflect.*;
035: import net.sf.retrotranslator.runtime.asm.signature.SignatureReader;
036:
037: /**
038: * @author Taras Puchko
039: */
040: public class FieldDescriptor extends AnnotatedElementDescriptor {
041:
042: private String name;
043: private String desc;
044: private ClassDescriptor classDescriptor;
045: private TypeDescriptor typeDescriptor;
046:
047: public FieldDescriptor(ClassDescriptor classDescriptor, int access,
048: String name, String desc, String signature) {
049: this .classDescriptor = classDescriptor;
050: this .access = access;
051: this .name = name;
052: this .desc = desc;
053: if (signature != null) {
054: typeDescriptor = new TypeDescriptor();
055: new SignatureReader(signature).accept(typeDescriptor);
056: }
057: }
058:
059: public FieldDescriptor(ClassDescriptor classDescriptor, Field field) {
060: this (classDescriptor, field.getModifiers(), field.getName(),
061: net.sf.retrotranslator.runtime.asm.Type
062: .getDescriptor(field.getType()), null);
063: }
064:
065: public static FieldDescriptor getInstance(Field field) {
066: ClassDescriptor classDescriptor = ClassDescriptor
067: .getInstance(field.getDeclaringClass());
068: FieldDescriptor fieldDescriptor = classDescriptor
069: .getFieldDescriptor(field.getName());
070: return fieldDescriptor != null ? fieldDescriptor
071: : new FieldDescriptor(classDescriptor, field);
072: }
073:
074: public String getName() {
075: return name;
076: }
077:
078: public String getDesc() {
079: return desc;
080: }
081:
082: public Type getGenericType() {
083: return createType(typeDescriptor);
084: }
085:
086: public ClassDescriptor getClassDescriptor() {
087: return classDescriptor;
088: }
089:
090: public String getInfo() {
091: return RuntimeTools.getFieldInfo(classDescriptor.getName(),
092: name);
093: }
094:
095: protected TypeVariable findTypeVariable(String name) {
096: return classDescriptor.findTypeVariable(name);
097: }
098:
099: protected Annotation[] createAnnotations(
100: Annotation[] declaredAnnotations) {
101: return declaredAnnotations;
102: }
103:
104: }
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