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.gui;
22 
23 import javax.swing.filechooser.FileFilter;
24 import java.io.File;
25 
26 
27 /**
28  * This <code>FileFilter</code> accepts files that end in one of the given
29  * extensions.
30  *
31  * @author Eric Lafortune
32  */
33 final class ExtensionFileFilter extends FileFilter
34 {
35     private final String   description;
36     private final String[] extensions;
37 
38 
39     /**
40      * Creates a new ExtensionFileFilter.
41      * @param description a description of the filter.
42      * @param extensions  an array of acceptable extensions.
43      */
ExtensionFileFilter(String description, String[] extensions)44     public ExtensionFileFilter(String description, String[] extensions)
45     {
46         this.description = description;
47         this.extensions  = extensions;
48     }
49 
50 
51     // Implemntations for FileFilter
52 
getDescription()53     public String getDescription()
54     {
55         return description;
56     }
57 
58 
accept(File file)59     public boolean accept(File file)
60     {
61         if (file.isDirectory())
62         {
63             return true;
64         }
65 
66         String fileName = file.getName().toLowerCase();
67 
68         for (int index = 0; index < extensions.length; index++)
69         {
70             if (fileName.endsWith(extensions[index]))
71             {
72                 return true;
73             }
74         }
75 
76         return false;
77     }
78 }
79