1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2013 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.editor;
22
23import proguard.classfile.*;
24import proguard.classfile.attribute.*;
25import proguard.classfile.attribute.annotation.*;
26import proguard.classfile.attribute.preverification.*;
27import proguard.classfile.constant.ClassConstant;
28import proguard.classfile.constant.visitor.ConstantVisitor;
29import proguard.classfile.util.SimplifiedVisitor;
30
31/**
32 * This ConstantVisitor adds all interfaces that it visits to the given
33 * target class.
34 *
35 * @author Eric Lafortune
36 */
37public class InterfaceAdder
38extends      SimplifiedVisitor
39implements   ConstantVisitor
40{
41    private final ConstantAdder    constantAdder;
42    private final InterfacesEditor interfacesEditor;
43
44
45    /**
46     * Creates a new InterfaceAdder that will add interfaces to the given
47     * target class.
48     */
49    public InterfaceAdder(ProgramClass targetClass)
50    {
51        constantAdder    = new ConstantAdder(targetClass);
52        interfacesEditor = new InterfacesEditor(targetClass);
53    }
54
55
56    // Implementations for ConstantVisitor.
57
58    public void visitClassConstant(Clazz clazz, ClassConstant classConstant)
59    {
60        interfacesEditor.addInterface(constantAdder.addConstant(clazz, classConstant));
61    }
62}