1/*
2 * ProGuard -- shrinking, optimization, obfuscation, and preverification
3 *             of Java bytecode.
4 *
5 * Copyright (c) 2002-2013 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 */
21package proguard.gui;
22
23import javax.swing.filechooser.FileFilter;
24import 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 */
33final 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     */
44    public ExtensionFileFilter(String description, String[] extensions)
45    {
46        this.description = description;
47        this.extensions  = extensions;
48    }
49
50
51    // Implemntations for FileFilter
52
53    public String getDescription()
54    {
55        return description;
56    }
57
58
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