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 | * This handler manages the allowed and denied extensions for each resource | |
31 | * type. The extensions are preset by the properties managed by | |
32 | * {@link PropertiesLoader}. | |
33 | * <p> | |
34 | * <em>Hint</em>: It's recommend to use either allowed or denied extensions for one file | |
35 | * type. <strong>Never</strong> use both at the same time! That's why denied | |
36 | * extensions of a file type will be deleted if you set the allowed one and vice | |
37 | * versa. | |
38 | * </p> | |
39 | * | |
40 | * @version $Id: ExtensionsHandler.java 2101 2008-06-22 22:00:48Z mosipov $ | |
41 | */ | |
42 | 0 | public class ExtensionsHandler { |
43 | ||
44 | 1 | private static Map<ResourceTypeHandler, Set<String>> extensionsAllowed = new HashMap<ResourceTypeHandler, Set<String>>(); |
45 | 1 | private static Map<ResourceTypeHandler, Set<String>> extensionsDenied = new HashMap<ResourceTypeHandler, Set<String>>(); |
46 | ||
47 | static { | |
48 | // load defaults | |
49 | 1 | extensionsAllowed.put(ResourceTypeHandler.FILE, Utils.getSet(PropertiesLoader |
50 | .getProperty("connector.resourceType.file.extensions.allowed"))); | |
51 | 1 | extensionsDenied.put(ResourceTypeHandler.FILE, Utils.getSet(PropertiesLoader |
52 | .getProperty("connector.resourceType.file.extensions.denied"))); | |
53 | 1 | extensionsAllowed.put(ResourceTypeHandler.MEDIA, Utils.getSet(PropertiesLoader |
54 | .getProperty("connector.resourceType.media.extensions.allowed"))); | |
55 | 1 | extensionsDenied.put(ResourceTypeHandler.MEDIA, Utils.getSet(PropertiesLoader |
56 | .getProperty("connector.resourceType.media.extensions.denied"))); | |
57 | 1 | extensionsAllowed.put(ResourceTypeHandler.IMAGE, Utils.getSet(PropertiesLoader |
58 | .getProperty("connector.resourceType.image.extensions.allowed"))); | |
59 | 1 | extensionsDenied.put(ResourceTypeHandler.IMAGE, Utils.getSet(PropertiesLoader |
60 | .getProperty("connector.resourceType.image.extensions.denied"))); | |
61 | 1 | extensionsAllowed.put(ResourceTypeHandler.FLASH, Utils.getSet(PropertiesLoader |
62 | .getProperty("connector.resourceType.flash.extensions.allowed"))); | |
63 | 1 | extensionsDenied.put(ResourceTypeHandler.FLASH, Utils.getSet(PropertiesLoader |
64 | .getProperty("connector.resourceType.flash.extensions.denied"))); | |
65 | 1 | } |
66 | ||
67 | /** | |
68 | * Getter for the allowed extensions of a file type. | |
69 | * | |
70 | * @param type | |
71 | * The file type. | |
72 | * @return Set of allowed extensions or an empty set. | |
73 | */ | |
74 | public static Set<String> getExtensionsAllowed(final ResourceTypeHandler type) { | |
75 | 1 | return extensionsAllowed.get(type); |
76 | } | |
77 | ||
78 | /** | |
79 | * Setter for the allowed extensions of a file type. The denied extensions | |
80 | * will be cleared.<br /> | |
81 | * If <code>extensionsList</code> is <code>null</code>, allowed | |
82 | * extensions are kept untouched. | |
83 | * | |
84 | * @param type | |
85 | * The file type. | |
86 | * @param extensionsList | |
87 | * Required format: <code>ext1|ext2|ext3</code> | |
88 | */ | |
89 | public static void setExtensionsAllowed(final ResourceTypeHandler type, final String extensionsList) { | |
90 | 2 | if (extensionsList != null) { |
91 | 2 | extensionsAllowed.put(type, Utils.getSet(extensionsList)); |
92 | 2 | extensionsDenied.get(type).clear(); |
93 | } | |
94 | 2 | } |
95 | ||
96 | /** | |
97 | * Getter for the denied extensions of a file type. | |
98 | * | |
99 | * @param type | |
100 | * The file type. | |
101 | * @return Set of denied extensions or an empty set. | |
102 | */ | |
103 | public static Set<String> getExtensionsDenied(final ResourceTypeHandler type) { | |
104 | 1 | return extensionsDenied.get(type); |
105 | } | |
106 | ||
107 | /** | |
108 | * Setter for the denied extensions of a file type. The allowed extensions | |
109 | * will be cleared.<br /> | |
110 | * If <code>extensionsList</code> is <code>null</code>, denied | |
111 | * extensions are kept untouched. | |
112 | * | |
113 | * @param type | |
114 | * The file type. | |
115 | * @param extensionsList | |
116 | * Required format: <code>ext1|ext2|ext3</code> | |
117 | */ | |
118 | public static void setExtensionsDenied(final ResourceTypeHandler type, final String extensionsList) { | |
119 | 1 | if (extensionsList != null) { |
120 | 1 | extensionsDenied.put(type, Utils.getSet(extensionsList)); |
121 | 1 | extensionsAllowed.get(type).clear(); |
122 | } | |
123 | 1 | } |
124 | ||
125 | /** | |
126 | * Checks if an extension is allowed for a file type. | |
127 | * | |
128 | * @param type | |
129 | * The resource type you want to check. | |
130 | * @param extension | |
131 | * The extension you want to check. | |
132 | * @return <code>true</code> is extension is allowed else | |
133 | * <code>false</code>. <em>Attention</em>: <code>false</code> | |
134 | * is always returned if 'type' or 'extensions' is <code>null</code>. | |
135 | */ | |
136 | public static boolean isAllowed(final ResourceTypeHandler type, final String extension) { | |
137 | 7 | if (type == null || extension == null) |
138 | 0 | return false; |
139 | 7 | String ext = extension.toLowerCase(); |
140 | 7 | Set<String> allowed = extensionsAllowed.get(type); |
141 | 7 | Set<String> denied = extensionsDenied.get(type); |
142 | 7 | if (allowed.isEmpty()) |
143 | 3 | return !denied.contains(ext); |
144 | 4 | if (denied.isEmpty()) |
145 | 4 | return allowed.contains(ext); |
146 | 0 | return false; |
147 | } | |
148 | } |