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Java > Open Source Codes > proguard > ClassPath


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;
22
23 import java.util.*;
24
25
26 /**
27  * This class represents a class path, as a list of ClassPathEntry objects.
28  *
29  * @author Eric Lafortune
30  */
31 public class ClassPath
32 {
33     private List classPathEntries = new ArrayList();
34
35
36     /**
37      * Returns whether the class path contains any output entries.
38      */
39     public boolean hasOutput()
40     {
41         for (int index = 0; index < classPathEntries.size(); index++)
42         {
43             if (((ClassPathEntry)classPathEntries.get(index)).isOutput())
44             {
45                 return true;
46             }
47         }
48
49         return false;
50     }
51
52
53     // Delegates to List.
54
55     public void clear()
56     {
57         classPathEntries.clear();
58     }
59
60     public void add(int index, ClassPathEntry classPathEntry)
61     {
62         classPathEntries.add(index, classPathEntry);
63     }
64
65     public boolean add(ClassPathEntry classPathEntry)
66     {
67         return classPathEntries.add(classPathEntry);
68     }
69
70     public boolean addAll(ClassPath classPath)
71     {
72         return classPathEntries.addAll(classPath.classPathEntries);
73     }
74
75     public ClassPathEntry get(int index)
76     {
77         return (ClassPathEntry)classPathEntries.get(index);
78     }
79
80     public ClassPathEntry remove(int index)
81     {
82         return (ClassPathEntry)classPathEntries.remove(index);
83     }
84
85     public boolean isEmpty()
86     {
87         return classPathEntries.isEmpty();
88     }
89
90     public int size()
91     {
92         return classPathEntries.size();
93     }
94 }
95
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