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Java > Open Source Codes > proguard > classfile > visitor > ClassCollector


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 library 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 library 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 Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public License
18  * along with this library; if not, write to the Free Software Foundation,
19  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */
21 package proguard.classfile.visitor;
22
23 import proguard.classfile.*;
24 import proguard.classfile.util.SimplifiedVisitor;
25
26 import java.util.*;
27
28 /**
29  * This <code>ClassVisitor</code> collects the classes that it visits in the
30  * given collection.
31  *
32  * @author Eric Lafortune
33  */
34 public class ClassCollector
35 extends SimplifiedVisitor
36 implements ClassVisitor
37 {
38     private Set set;
39
40
41     /**
42      * Creates a new ClassCollector.
43      * @param set the <code>Set</code> in which all class names will be
44      * collected.
45      */
46     public ClassCollector(Set set)
47     {
48         this.set = set;
49     }
50
51
52     // Implementations for ClassVisitor.
53
54     public void visitAnyClass(Clazz clazz)
55     {
56         set.add(clazz);
57     }
58 }
59
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