1 /*
2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
3  *             of Java bytecode.
4  *
5  * Copyright (c) 2002-2014 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  */
21 package proguard.classfile.editor;
22 
23 import proguard.classfile.*;
24 import proguard.classfile.constant.ClassConstant;
25 import proguard.classfile.constant.visitor.ConstantVisitor;
26 import proguard.classfile.util.SimplifiedVisitor;
27 
28 /**
29  * This ConstantVisitor adds all interfaces that it visits to the given
30  * target class.
31  *
32  * @author Eric Lafortune
33  */
34 public class InterfaceAdder
35 extends      SimplifiedVisitor
36 implements   ConstantVisitor
37 {
38     private final ConstantAdder    constantAdder;
39     private final InterfacesEditor interfacesEditor;
40 
41 
42     /**
43      * Creates a new InterfaceAdder that will add interfaces to the given
44      * target class.
45      */
InterfaceAdder(ProgramClass targetClass)46     public InterfaceAdder(ProgramClass targetClass)
47     {
48         constantAdder    = new ConstantAdder(targetClass);
49         interfacesEditor = new InterfacesEditor(targetClass);
50     }
51 
52 
53     // Implementations for ConstantVisitor.
54 
visitClassConstant(Clazz clazz, ClassConstant classConstant)55     public void visitClassConstant(Clazz clazz, ClassConstant classConstant)
56     {
57         interfacesEditor.addInterface(constantAdder.addConstant(clazz, classConstant));
58     }
59 }