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.impl;
32:
33: import java.lang.reflect.*;
34: import net.sf.retrotranslator.runtime.asm.signature.SignatureVisitor;
35:
36: /**
37: * @author Taras Puchko
38: */
39: public abstract class GenericDeclarationDescriptor extends
40: AnnotatedElementDescriptor {
41:
42: private LazyList<TypeParameter, TypeVariable> typeParameters = new LazyList<TypeParameter, TypeVariable>() {
43:
44: protected TypeVariable resolve(TypeParameter input) {
45: return new TypeVariableImpl(getTarget(), input.name,
46: input.bounds);
47: }
48:
49: protected TypeVariable[] newArray(int size) {
50: return new TypeVariable[size];
51: }
52: };
53:
54: protected TypeVariable getTypeVariable(String name) {
55: for (TypeVariable variable : typeParameters.getLive()) {
56: if (name.equals(variable.getName()))
57: return variable;
58: }
59: return null;
60: }
61:
62: public abstract GenericDeclaration getTarget();
63:
64: public TypeVariable[] getTypeParameters() {
65: return typeParameters.getClone();
66: }
67:
68: public void visitFormalTypeParameter(String name) {
69: typeParameters.add(new TypeParameter(name, getLazyList()));
70: }
71:
72: public SignatureVisitor visitClassBound() {
73: TypeDescriptor descriptor = new TypeDescriptor();
74: typeParameters.getLast().bounds.add(descriptor);
75: return descriptor;
76: }
77:
78: public SignatureVisitor visitInterfaceBound() {
79: TypeDescriptor descriptor = new TypeDescriptor();
80: typeParameters.getLast().bounds.add(descriptor);
81: return descriptor;
82: }
83:
84: }
|