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Java > Open Source Codes > proguard > obfuscate > MapCleaner


1 /*
2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
3  * of Java bytecode.
4  *
5  * Copyright (c) 2002-2007 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.obfuscate;
22
23 import proguard.classfile.*;
24 import proguard.classfile.visitor.ClassVisitor;
25
26 import java.util.Map JavaDoc;
27
28 /**
29  * This ClassVisitor clears a given map whenever it visits a class.
30  *
31  * @author Eric Lafortune
32  */
33 public class MapCleaner implements ClassVisitor
34 {
35     private Map JavaDoc map;
36
37
38     /**
39      * Creates a new MapCleaner.
40      * @param map the map to be cleared.
41      */
42     public MapCleaner(Map JavaDoc map)
43     {
44         this.map = map;
45     }
46
47
48     // Implementations for ClassVisitor.
49
50     public void visitProgramClass(ProgramClass programClass)
51     {
52         map.clear();
53     }
54
55
56     public void visitLibraryClass(LibraryClass libraryClass)
57     {
58         map.clear();
59     }
60 }
61
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