Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
CollectionUtil |
|
| 2.0;2 |
1 | /** | |
2 | * Distribution License: | |
3 | * JSword is free software; you can redistribute it and/or modify it under | |
4 | * the terms of the GNU Lesser General Public License, version 2.1 or later | |
5 | * as published by the Free Software Foundation. This program is distributed | |
6 | * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even | |
7 | * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
8 | * See the GNU Lesser General Public License for more details. | |
9 | * | |
10 | * The License is available on the internet at: | |
11 | * http://www.gnu.org/copyleft/lgpl.html | |
12 | * or by writing to: | |
13 | * Free Software Foundation, Inc. | |
14 | * 59 Temple Place - Suite 330 | |
15 | * Boston, MA 02111-1307, USA | |
16 | * | |
17 | * © CrossWire Bible Society, 2005 - 2016 | |
18 | * | |
19 | */ | |
20 | package org.crosswire.common.util; | |
21 | ||
22 | import java.io.IOException; | |
23 | import java.net.URI; | |
24 | import java.util.ArrayList; | |
25 | import java.util.Enumeration; | |
26 | import java.util.HashSet; | |
27 | import java.util.List; | |
28 | import java.util.Properties; | |
29 | import java.util.Set; | |
30 | ||
31 | /** | |
32 | * Some utils to help work with Collections. | |
33 | * | |
34 | * @see gnu.lgpl.License The GNU Lesser General Public License for details. | |
35 | * @author Joe Walker | |
36 | */ | |
37 | public final class CollectionUtil { | |
38 | /** | |
39 | * Dont do this | |
40 | */ | |
41 | 0 | private CollectionUtil() { |
42 | 0 | } |
43 | ||
44 | /** | |
45 | * Create a List from an Iterable. | |
46 | * | |
47 | * @param <T> The type of data for the list | |
48 | * @param it The source of data for the list | |
49 | * @return List | |
50 | */ | |
51 | public static <T> List<T> createList(Iterable<T> it) { | |
52 | 0 | List<T> reply = new ArrayList<T>(); |
53 | 0 | for (T obj : it) { |
54 | 0 | reply.add(obj); |
55 | } | |
56 | ||
57 | 0 | return reply; |
58 | } | |
59 | ||
60 | /** | |
61 | * Create a Set from an Iterable. | |
62 | * | |
63 | * @param <T> The type of data for the list | |
64 | * @param it The source of data for the list | |
65 | * @return the created set | |
66 | */ | |
67 | public static <T> Set<T> createSet(Iterable<T> it) { | |
68 | 0 | Set<T> reply = new HashSet<T>(); |
69 | 0 | for (T obj : it) { |
70 | 0 | reply.add(obj); |
71 | } | |
72 | ||
73 | 0 | return reply; |
74 | } | |
75 | ||
76 | /** | |
77 | * Convert a <code>Properties</code> into a <code>Map</code>. | |
78 | * | |
79 | * @param prop The Properties to convert | |
80 | * @return The map | |
81 | */ | |
82 | public static PropertyMap properties2Map(Properties prop) { | |
83 | 0 | PropertyMap propMap = new PropertyMap(); |
84 | 0 | for (Enumeration<Object> e = prop.keys(); e.hasMoreElements(); ) { |
85 | 0 | Object k = e.nextElement(); |
86 | 0 | Object v = prop.get(k); |
87 | 0 | if (k instanceof String && v instanceof String) { |
88 | 0 | propMap.put((String) k, (String) v); |
89 | } | |
90 | 0 | } |
91 | 0 | return propMap; |
92 | } | |
93 | ||
94 | /** | |
95 | * Convert a <code>Properties</code> located at <code>propURI</code> into a | |
96 | * <code>Map</code>. | |
97 | * | |
98 | * @param propUri | |
99 | * The URI of the Properties to convert | |
100 | * @return The map | |
101 | * @throws IOException If there is a problem with getting the properties from the URI | |
102 | */ | |
103 | public static PropertyMap properties2Map(URI propUri) throws IOException { | |
104 | 0 | return NetUtil.loadProperties(propUri); |
105 | } | |
106 | ||
107 | } |