1b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/*
2b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ProGuard -- shrinking, optimization, obfuscation, and preverification
3b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato *             of Java bytecode.
4b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato *
59f606f95f03a75961498803e24bee6799a7c0885Ying Wang * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
6b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato *
7b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is free software; you can redistribute it and/or modify it
8b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * under the terms of the GNU General Public License as published by the Free
9b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * Software Foundation; either version 2 of the License, or (at your option)
10b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * any later version.
11b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato *
12b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This program is distributed in the hope that it will be useful, but WITHOUT
13b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * more details.
16b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato *
17b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * You should have received a copy of the GNU General Public License along
18b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * with this program; if not, write to the Free Software Foundation, Inc.,
19b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */
21b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopackage proguard.classfile.attribute;
22b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
23b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
24b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.*;
25b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratoimport proguard.classfile.attribute.visitor.AttributeVisitor;
26b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
27b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato/**
28b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * This Attribute represents an unknown attribute.
29b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato *
30b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato * @author Eric Lafortune
31b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato */
32b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onoratopublic class UnknownAttribute extends Attribute
33b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato{
34b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    public final int    u4attributeLength;
35b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    public byte[] info;
36b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
37b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
38b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    /**
39b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato     * Creates an uninitialized UnknownAttribute with the given length.
40b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato     */
41b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    public UnknownAttribute(int attributeLength)
42b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    {
43b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato        u4attributeLength = attributeLength;
44b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    }
45b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
46b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
47b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    /**
48b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato     * Creates an initialized UnknownAttribute.
49b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato     */
50b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    public UnknownAttribute(int    u2attributeNameIndex,
51b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato                            int    u4attributeLength,
52b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato                            byte[] info)
53b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    {
54b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato        super(u2attributeNameIndex);
55b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
56b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato        this.u4attributeLength = u4attributeLength;
57b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato        this.info              = info;
58b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    }
59b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
60b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
61b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    // Implementations for Attribute.
62b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
63b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    public void accept(Clazz clazz, AttributeVisitor attributeVisitor)
64b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    {
65b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato        attributeVisitor.visitUnknownAttribute(clazz, this);
66b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    }
67b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
68b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    public void accept(Clazz clazz, Field field, AttributeVisitor attributeVisitor)
69b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    {
70b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato        attributeVisitor.visitUnknownAttribute(clazz, this);
71b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    }
72b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
73b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    public void accept(Clazz clazz, Method method, AttributeVisitor attributeVisitor)
74b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    {
75b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato        attributeVisitor.visitUnknownAttribute(clazz, this);
76b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    }
77b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato
78b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, AttributeVisitor attributeVisitor)
79b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    {
80b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato        attributeVisitor.visitUnknownAttribute(clazz, this);
81b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato    }
82b72c5c2e5482cf10117b2b25f642f7616b2326c3Joe Onorato}
83