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;
22
23import proguard.classfile.visitor.MemberVisitor;
24
25/**
26 * Representation of a field or method from a library class.
27 *
28 * @author Eric Lafortune
29 */
30public abstract class LibraryMember implements Member
31{
32    private static final int ACC_VISIBLE = ClassConstants.INTERNAL_ACC_PUBLIC |
33                                           ClassConstants.INTERNAL_ACC_PROTECTED;
34
35
36    public int    u2accessFlags;
37    public String name;
38    public String descriptor;
39
40    /**
41     * An extra field in which visitors can store information.
42     */
43    public Object visitorInfo;
44
45
46    /**
47     * Creates an uninitialized LibraryMember.
48     */
49    protected LibraryMember()
50    {
51    }
52
53
54    /**
55     * Creates an initialized LibraryMember.
56     */
57    protected LibraryMember(int    u2accessFlags,
58                            String name,
59                            String descriptor)
60    {
61        this.u2accessFlags = u2accessFlags;
62        this.name          = name;
63        this.descriptor    = descriptor;
64    }
65
66
67    /**
68     * Accepts the given member info visitor.
69     */
70    public abstract void accept(LibraryClass  libraryClass,
71                                MemberVisitor memberVisitor);
72
73
74    // Implementations for Member.
75
76    public int getAccessFlags()
77    {
78        return u2accessFlags;
79    }
80
81    public String getName(Clazz clazz)
82    {
83        return name;
84    }
85
86    public String getDescriptor(Clazz clazz)
87    {
88        return descriptor;
89    }
90
91    public void accept(Clazz clazz, MemberVisitor memberVisitor)
92    {
93        accept((LibraryClass)clazz, memberVisitor);
94    }
95
96
97    // Implementations for VisitorAccepter.
98
99    public Object getVisitorInfo()
100    {
101        return visitorInfo;
102    }
103
104    public void setVisitorInfo(Object visitorInfo)
105    {
106        this.visitorInfo = visitorInfo;
107    }
108}
109