Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
BasicFileFilter |
|
| 2.25;2.25 |
1 | /* | |
2 | * Copyright (c) 2000 | |
3 | * Jon Schewe. All rights reserved | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * | |
14 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
24 | * SUCH DAMAGE. | |
25 | * | |
26 | * I'd appreciate comments/suggestions on the code jpschewe@mtu.net | |
27 | */ | |
28 | package net.mtu.eggplant.util; | |
29 | ||
30 | import java.io.File; | |
31 | import java.util.Arrays; | |
32 | ||
33 | import javax.swing.filechooser.FileFilter; | |
34 | ||
35 | /** | |
36 | * This class makes it easy to accept files by extension. | |
37 | * | |
38 | * @version $Revision$ | |
39 | */ | |
40 | public class BasicFileFilter extends FileFilter { | |
41 | ||
42 | /** | |
43 | * Create a Filter filter with description and allowing files with extensions | |
44 | * in the list extensions. | |
45 | * | |
46 | * @param description | |
47 | * the description of this filter | |
48 | * @param extensions | |
49 | * the extensions to allow | |
50 | * | |
51 | * @pre (description != null) | |
52 | * @pre (extensions != null) | |
53 | */ | |
54 | public BasicFileFilter(final String description, | |
55 | 0 | final String[] extensions) { |
56 | 0 | _description = description; |
57 | 0 | _extensions = Arrays.copyOf(extensions, extensions.length); |
58 | 0 | } |
59 | ||
60 | /** | |
61 | * Create a Filter filter with description and allowing files with extensions | |
62 | * equal to extension as well as directories (for traversal). | |
63 | * | |
64 | * @param description | |
65 | * the description of this filter | |
66 | * @param extension | |
67 | * the extension to allow | |
68 | * | |
69 | * @pre (description != null) | |
70 | * @pre (extension != null) | |
71 | */ | |
72 | public BasicFileFilter(final String description, | |
73 | 0 | final String extension) { |
74 | 0 | _description = description; |
75 | 0 | _extensions = new String[1]; |
76 | 0 | _extensions[0] = extension; |
77 | 0 | } |
78 | ||
79 | private String _description; | |
80 | ||
81 | private String[] _extensions; | |
82 | ||
83 | public boolean accept(final File f) { | |
84 | // accept directories, otherwise can't browse into directories | |
85 | 0 | if (f.isDirectory()) { |
86 | 0 | return true; |
87 | } | |
88 | ||
89 | 0 | final String filename = f.getName(); |
90 | 0 | for (int i = 0; i < _extensions.length; i++) { |
91 | 0 | if (filename.endsWith('.' + _extensions[i])) { |
92 | 0 | return true; |
93 | } | |
94 | } | |
95 | 0 | return false; |
96 | } | |
97 | ||
98 | public String getDescription() { | |
99 | 0 | return _description; |
100 | } | |
101 | ||
102 | } |