01: /*
02: * ProGuard -- shrinking, optimization, obfuscation, and preverification
03: * of Java bytecode.
04: *
05: * Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
06: *
07: * This library is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU General Public License as published by the Free
09: * Software Foundation; either version 2 of the License, or (at your option)
10: * any later version.
11: *
12: * This library is distributed in the hope that it will be useful, but WITHOUT
13: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
15: * for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public License
18: * along with this library; if not, write to the Free Software Foundation,
19: * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: */
21: package proguard.classfile.attribute.annotation;
22:
23: import proguard.classfile.*;
24: import proguard.classfile.attribute.annotation.visitor.ElementValueVisitor;
25: import proguard.classfile.visitor.ClassVisitor;
26:
27: /**
28: * This ElementValue represents an enumeration constant element value.
29: *
30: * @author Eric Lafortune
31: */
32: public class EnumConstantElementValue extends ElementValue {
33: public int u2typeNameIndex;
34: public int u2constantNameIndex;
35:
36: /**
37: * An extra field pointing to the Clazz objects referenced in the
38: * type name string. This field is typically filled out by the <code>{@link
39: * proguard.classfile.util.ClassReferenceInitializer
40: * ClassReferenceInitializer}</code>.
41: * References to primitive types are ignored.
42: */
43: public Clazz[] referencedClasses;
44:
45: /**
46: * Creates an uninitialized EnumConstantElementValue.
47: */
48: public EnumConstantElementValue() {
49: }
50:
51: /**
52: * Applies the given visitor to all referenced classes.
53: */
54: public void referencedClassesAccept(ClassVisitor classVisitor) {
55: if (referencedClasses != null) {
56: for (int index = 0; index < referencedClasses.length; index++) {
57: Clazz referencedClass = referencedClasses[index];
58: if (referencedClass != null) {
59: referencedClass.accept(classVisitor);
60: }
61: }
62: }
63: }
64:
65: // Implementations for ElementValue.
66:
67: public int getTag() {
68: return ClassConstants.ELEMENT_VALUE_ENUM_CONSTANT;
69: }
70:
71: public void accept(Clazz clazz, Annotation annotation,
72: ElementValueVisitor elementValueVisitor) {
73: elementValueVisitor.visitEnumConstantElementValue(clazz,
74: annotation, this);
75: }
76: }
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