UnknownAttribute.java revision 9f606f95f03a75961498803e24bee6799a7c0885 
1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation; either version 2 of the License, or (at your option)
10 * any later version.
11 *
12 * This program 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 General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21package proguard.classfile.attribute;
22
23
24import proguard.classfile.*;
25import proguard.classfile.attribute.visitor.AttributeVisitor;
26
27/**
28 * This Attribute represents an unknown attribute.
29 *
30 * @author Eric Lafortune
31 */
32public class UnknownAttribute extends Attribute
33{
34    public final int    u4attributeLength;
35    public byte[] info;
36
37
38    /**
39     * Creates an uninitialized UnknownAttribute with the given length.
40     */
41    public UnknownAttribute(int attributeLength)
42    {
43        u4attributeLength = attributeLength;
44    }
45
46
47    /**
48     * Creates an initialized UnknownAttribute.
49     */
50    public UnknownAttribute(int    u2attributeNameIndex,
51                            int    u4attributeLength,
52                            byte[] info)
53    {
54        super(u2attributeNameIndex);
55
56        this.u4attributeLength = u4attributeLength;
57        this.info              = info;
58    }
59
60
61    // Implementations for Attribute.
62
63    public void accept(Clazz clazz, AttributeVisitor attributeVisitor)
64    {
65        attributeVisitor.visitUnknownAttribute(clazz, this);
66    }
67
68    public void accept(Clazz clazz, Field field, AttributeVisitor attributeVisitor)
69    {
70        attributeVisitor.visitUnknownAttribute(clazz, this);
71    }
72
73    public void accept(Clazz clazz, Method method, AttributeVisitor attributeVisitor)
74    {
75        attributeVisitor.visitUnknownAttribute(clazz, this);
76    }
77
78    public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, AttributeVisitor attributeVisitor)
79    {
80        attributeVisitor.visitUnknownAttribute(clazz, this);
81    }
82}
83