| 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 | } |