Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ChoiceFactory |
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| 1.3333333333333333;1.333 |
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.config; | |
21 | ||
22 | import java.util.HashMap; | |
23 | import java.util.Map; | |
24 | import java.util.ResourceBundle; | |
25 | ||
26 | import org.crosswire.common.util.ClassUtil; | |
27 | import org.crosswire.common.util.PluginUtil; | |
28 | import org.jdom2.Element; | |
29 | ||
30 | /** | |
31 | * Factory for the well known Choices. | |
32 | * | |
33 | * @see gnu.lgpl.License The GNU Lesser General Public License for details. | |
34 | * @author Joe Walker | |
35 | */ | |
36 | public final class ChoiceFactory { | |
37 | /** | |
38 | * Prevent instantiation | |
39 | */ | |
40 | 0 | private ChoiceFactory() { |
41 | 0 | } |
42 | ||
43 | /** | |
44 | * Get a ChoiceFactory by element. | |
45 | * | |
46 | * @param option | |
47 | * The element to check | |
48 | * @param configResources the resource bundle holding the option | |
49 | * @return One of the ChoiceTypes. | |
50 | * @throws InstantiationException | |
51 | * if this {@code data} represents an abstract class, | |
52 | * an interface, an array class, a primitive type, or void; | |
53 | * or if the class has no nullary constructor; | |
54 | * or if the instantiation fails for some other reason. | |
55 | * @throws ClassNotFoundException if the class is not found | |
56 | * @throws IllegalAccessException if the class or its nullary | |
57 | * constructor is not accessible. | |
58 | * @throws StartupException if startup is not possible | |
59 | */ | |
60 | public static Choice getChoice(Element option, ResourceBundle configResources) throws ClassNotFoundException, IllegalAccessException, | |
61 | InstantiationException, StartupException | |
62 | { | |
63 | 0 | Class<Choice> clazz = null; |
64 | ||
65 | 0 | String type = option.getAttributeValue("type"); |
66 | 0 | if ("custom".equals(type)) { |
67 | 0 | String clazzstr = option.getAttributeValue("class"); |
68 | 0 | clazz = (Class<Choice>) ClassUtil.forName(clazzstr); |
69 | 0 | } else { |
70 | 0 | clazz = map.get(type); |
71 | } | |
72 | ||
73 | 0 | Choice choice = clazz.newInstance(); |
74 | 0 | choice.init(option, configResources); |
75 | 0 | return choice; |
76 | } | |
77 | ||
78 | /** | |
79 | * Method getDataMap. | |
80 | * | |
81 | * @return the map data | |
82 | */ | |
83 | public static Map<String, Object> getDataMap() { | |
84 | 0 | return datamap; |
85 | } | |
86 | ||
87 | /** | |
88 | * Storage of various registered objects | |
89 | */ | |
90 | 0 | private static Map<String, Object> datamap = new HashMap<String, Object>(); |
91 | ||
92 | /** | |
93 | * Store of the known ChoiceTypes | |
94 | */ | |
95 | private static Map<String, Class<Choice>> map; | |
96 | ||
97 | /** | |
98 | * Setup the map of Choices | |
99 | */ | |
100 | static { | |
101 | 0 | map = PluginUtil.getImplementorsMap(Choice.class); |
102 | 0 | } |
103 | } |