1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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2 | package org.openstreetmap.josm.tools;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.marktr;
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5 |
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6 | import org.openstreetmap.josm.Main;
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7 |
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8 | import java.util.Locale;
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9 |
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10 | public class LanguageInfo {
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11 | /** Type of the locale to use */
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12 | public enum LocaleType {
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13 | /** The current default language */
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14 | DEFAULT,
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15 | /** The current default language, but not english */
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16 | DEFAULTNOTENGLISH,
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17 | /** The base language (i.e. pt for pt_BR) */
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18 | BASELANGUAGE,
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19 | /** The standard english texts */
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20 | ENGLISH
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21 | };
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22 |
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23 | /**
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24 | * Replies the wiki language prefix for the given locale. The wiki language
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25 | * prefix has the form 'Xy:' where 'Xy' is a ISO 639 language code in title
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26 | * case (or Xy_AB: for sub languages).
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27 | *
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28 | * @param type the type
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29 | * @return the wiki language prefix or {@code null} for {@link LocaleType#BASELANGUAGE}, when
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30 | * base language is identical to default or english
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31 | * @since 8636
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32 | */
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33 | static public String getWikiLanguagePrefix(LocaleType type) {
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34 | if(type == LocaleType.ENGLISH)
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35 | return "";
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36 |
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37 | String code = getJOSMLocaleCode();
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38 | if(type == LocaleType.BASELANGUAGE) {
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39 | if(code.matches("[^_]+_[^_]+")) {
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40 | code = code.substring(0,2);
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41 | if(code == "en")
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42 | return null;
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43 | } else {
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44 | return null;
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45 | }
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46 | } else if(type == LocaleType.DEFAULTNOTENGLISH && code == "en")
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47 | return null;
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48 | return code.substring(0,1).toUpperCase() + code.substring(1) + ":";
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49 | }
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50 |
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51 | /**
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52 | * Replies the wiki language prefix for the current locale.
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53 | *
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54 | * @return the wiki language prefix
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55 | * @see Locale#getDefault()
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56 | * @see #getWikiLanguagePrefix(LocaleType)
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57 | */
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58 | static public String getWikiLanguagePrefix() {
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59 | return getWikiLanguagePrefix(LocaleType.DEFAULT);
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60 | }
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61 |
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62 | /**
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63 | * Replies the JOSM locale code for the default locale.
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64 | *
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65 | * @return the JOSM locale code for the default locale
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66 | * @see #getJOSMLocaleCode(Locale)
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67 | */
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68 | static public String getJOSMLocaleCode() {
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69 | return getJOSMLocaleCode(Locale.getDefault());
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70 | }
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71 |
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72 | /**
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73 | * Replies the locale code used by JOSM for a given locale.
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74 | *
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75 | * In most cases JOSM uses the 2-character ISO 639 language code ({@link Locale#getLanguage()}
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76 | * to identify the locale of a localized resource, but in some cases it may use the
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77 | * programmatic name for locales, as replied by {@link Locale#toString()}.
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78 | *
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79 | * @param locale the locale. Replies "en" if null.
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80 | * @return the JOSM code for the given locale
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81 | */
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82 | static public String getJOSMLocaleCode(Locale locale) {
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83 | if (locale == null) return "en";
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84 | String full = locale.toString();
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85 | if (full.equals("iw_IL"))
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86 | return "he";
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87 | else if (full.equals("in"))
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88 | return "id";
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89 | else if (I18n.hasCode(full)) /* catch all non-single codes */
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90 | return full;
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91 |
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92 | /* return single code */
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93 | return locale.getLanguage();
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94 | }
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95 |
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96 | /**
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97 | * Replies the locale code used by Java for a given locale.
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98 | *
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99 | * In most cases JOSM and Java uses the same codes, but for some exceptions this is needed.
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100 | *
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101 | * @param localeName the locale code.
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102 | * @return the resulting locale
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103 | */
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104 | static public Locale getLocale(String localeName) {
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105 | if (localeName.equals("he")) {
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106 | localeName = "iw_IL";
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107 | }
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108 | else if (localeName.equals("id")) {
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109 | localeName = "in";
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110 | }
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111 | Locale l;
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112 | int i = localeName.indexOf('_');
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113 | if (i > 0) {
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114 | l = new Locale(localeName.substring(0, i), localeName.substring(i + 1));
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115 | } else {
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116 | l = new Locale(localeName);
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117 | }
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118 | return l;
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119 | }
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120 |
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121 | static public String getLanguageCodeXML()
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122 | {
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123 | return getJOSMLocaleCode()+".";
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124 | }
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125 | static public String getLanguageCodeManifest()
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126 | {
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127 | return getJOSMLocaleCode()+"_";
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128 | }
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129 | }
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