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Java > Open Source Codes > proguard > optimize > info > ClassOptimizationInfo


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.optimize.info;
22
23 import proguard.classfile.*;
24
25 /**
26  * This class stores some optimization information that can be attached to
27  * a class.
28  *
29  * @author Eric Lafortune
30  */
31 public class ClassOptimizationInfo
32 {
33     private boolean isInstantiated = false;
34     private boolean isInstanceofed = false;
35     private boolean isDotClassed = false;
36
37
38     public void setInstantiated()
39     {
40         isInstantiated = true;
41     }
42
43
44     public boolean isInstantiated()
45     {
46         return isInstantiated;
47     }
48
49
50     public void setInstanceofed()
51     {
52         isInstanceofed = true;
53     }
54
55
56     public boolean isInstanceofed()
57     {
58         return isInstanceofed;
59     }
60
61
62     public void setDotClassed()
63     {
64         isDotClassed = true;
65     }
66
67
68     public boolean isDotClassed()
69     {
70         return isDotClassed;
71     }
72
73
74     public static void setClassOptimizationInfo(Clazz clazz)
75     {
76         clazz.setVisitorInfo(new ClassOptimizationInfo());
77     }
78
79
80     public static ClassOptimizationInfo getClazzOptimizationInfo(Clazz clazz)
81     {
82         Object JavaDoc visitorInfo = clazz.getVisitorInfo();
83
84         return visitorInfo instanceof ClassOptimizationInfo ?
85             (ClassOptimizationInfo)visitorInfo :
86             null;
87     }
88 }
89
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