Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ExtensionsHandler |
|
| 0.0;0 |
1 | /* | |
2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net | |
3 | * Copyright (C) 2003-2008 Frederico Caldeira Knabben | |
4 | * | |
5 | * == BEGIN LICENSE == | |
6 | * | |
7 | * Licensed under the terms of any of the following licenses at your | |
8 | * choice: | |
9 | * | |
10 | * - GNU General Public License Version 2 or later (the "GPL") | |
11 | * http://www.gnu.org/licenses/gpl.html | |
12 | * | |
13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL") | |
14 | * http://www.gnu.org/licenses/lgpl.html | |
15 | * | |
16 | * - Mozilla Public License Version 1.1 or later (the "MPL") | |
17 | * http://www.mozilla.org/MPL/MPL-1.1.html | |
18 | * | |
19 | * == END LICENSE == | |
20 | */ | |
21 | package net.fckeditor.handlers; | |
22 | ||
23 | import java.util.HashMap; | |
24 | import java.util.Map; | |
25 | import java.util.Set; | |
26 | ||
27 | import net.fckeditor.tool.Utils; | |
28 | ||
29 | /** | |
30 | * Handler which manages the allowed and denied extensions for each resource type. The | |
31 | * extensions are preset by the properties managed by {@link PropertiesLoader}.<br> | |
32 | * <br> | |
33 | * Hint: It's recommend to use either allowed or denied extensions for one file type. | |
34 | * Never use both at the same time! That's why denied extensions of a file type will be | |
35 | * deleted, if you set the allowed one and vice versa. | |
36 | * | |
37 | * @version $Id: ExtensionsHandler.java 1995 2008-05-14 07:24:42Z th-schwarz $ | |
38 | */ | |
39 | 0 | public class ExtensionsHandler { |
40 | ||
41 | 1 | private static Map<ResourceTypeHandler, Set<String>> extensionsAllowed = new HashMap<ResourceTypeHandler, Set<String>>(); |
42 | 1 | private static Map<ResourceTypeHandler, Set<String>> extensionsDenied = new HashMap<ResourceTypeHandler, Set<String>>(); |
43 | ||
44 | static { | |
45 | // load defaults | |
46 | 1 | extensionsAllowed.put(ResourceTypeHandler.FILE, Utils.getSet(PropertiesLoader |
47 | .getProperty("connector.resourceType.file.extensions.allowed"))); | |
48 | 1 | extensionsDenied.put(ResourceTypeHandler.FILE, Utils.getSet(PropertiesLoader |
49 | .getProperty("connector.resourceType.file.extensions.denied"))); | |
50 | 1 | extensionsAllowed.put(ResourceTypeHandler.MEDIA, Utils.getSet(PropertiesLoader |
51 | .getProperty("connector.resourceType.media.extensions.allowed"))); | |
52 | 1 | extensionsDenied.put(ResourceTypeHandler.MEDIA, Utils.getSet(PropertiesLoader |
53 | .getProperty("connector.resourceType.media.extensions.denied"))); | |
54 | 1 | extensionsAllowed.put(ResourceTypeHandler.IMAGE, Utils.getSet(PropertiesLoader |
55 | .getProperty("connector.resourceType.image.extensions.allowed"))); | |
56 | 1 | extensionsDenied.put(ResourceTypeHandler.IMAGE, Utils.getSet(PropertiesLoader |
57 | .getProperty("connector.resourceType.image.extensions.denied"))); | |
58 | 1 | extensionsAllowed.put(ResourceTypeHandler.FLASH, Utils.getSet(PropertiesLoader |
59 | .getProperty("connector.resourceType.flash.extensions.allowed"))); | |
60 | 1 | extensionsDenied.put(ResourceTypeHandler.FLASH, Utils.getSet(PropertiesLoader |
61 | .getProperty("connector.resourceType.flash.extensions.denied"))); | |
62 | 1 | } |
63 | ||
64 | /** | |
65 | * Getter for the allowed extensions of a file type. | |
66 | * | |
67 | * @param type | |
68 | * The file type. | |
69 | * @return Set of allowed extensions or an empty set. | |
70 | */ | |
71 | public static Set<String> getExtensionsAllowed(final ResourceTypeHandler type) { | |
72 | 1 | return extensionsAllowed.get(type); |
73 | } | |
74 | ||
75 | /** | |
76 | * Setter for the allowed extensions of a file type. The denied extensions will be cleared.<br> | |
77 | * If 'extensionsList' is null, allowed extensions kept untouched. | |
78 | * | |
79 | * @param type | |
80 | * The file type. | |
81 | * @param extensionsList | |
82 | * Required format: <code>ext1|ext2|ext3</code> | |
83 | */ | |
84 | public static void setExtensionsAllowed(final ResourceTypeHandler type, final String extensionsList) { | |
85 | 2 | if (extensionsList != null) { |
86 | 2 | extensionsAllowed.put(type, Utils.getSet(extensionsList)); |
87 | 2 | extensionsDenied.get(type).clear(); |
88 | } | |
89 | 2 | } |
90 | ||
91 | /** | |
92 | * Getter for the denied extensions of a file type. | |
93 | * | |
94 | * @param type | |
95 | * The file type. | |
96 | * @return Set of denied extensions or an empty set. | |
97 | */ | |
98 | public static Set<String> getExtensionsDenied(final ResourceTypeHandler type) { | |
99 | 1 | return extensionsDenied.get(type); |
100 | } | |
101 | ||
102 | /** | |
103 | * Setter for the denied extensions of a file type. The allowed extensions will be cleared.<br> | |
104 | * If 'extensionsList' is null, denied extensions kept untouched. | |
105 | * | |
106 | * @param type | |
107 | * The file type. | |
108 | * @param extensionsList | |
109 | * Required format: <code>ext1|ext2|ext3</code> | |
110 | */ | |
111 | public static void setExtensionsDenied(final ResourceTypeHandler type, final String extensionsList) { | |
112 | 1 | if (extensionsList != null) { |
113 | 1 | extensionsDenied.put(type, Utils.getSet(extensionsList)); |
114 | 1 | extensionsAllowed.get(type).clear(); |
115 | } | |
116 | 1 | } |
117 | ||
118 | /** | |
119 | * Checks, if an extension is allowed for a file type. | |
120 | * | |
121 | * @param type | |
122 | * @param extension | |
123 | * @return True, false. False is returned too, if 'type' or 'extensions' is null. | |
124 | */ | |
125 | public static boolean isAllowed(final ResourceTypeHandler type, final String extension) { | |
126 | 7 | if (type == null || extension == null) |
127 | 0 | return false; |
128 | 7 | String ext = extension.toLowerCase(); |
129 | 7 | Set<String> allowed = extensionsAllowed.get(type); |
130 | 7 | Set<String> denied = extensionsDenied.get(type); |
131 | 7 | if (allowed.isEmpty()) |
132 | 3 | return !denied.contains(ext); |
133 | 4 | if (denied.isEmpty()) |
134 | 4 | return allowed.contains(ext); |
135 | 0 | return false; |
136 | } | |
137 | } |