| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.tools;
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| 3 |
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| 4 | import java.util.Locale;
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| 5 |
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| 6 | public final class LanguageInfo {
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| 7 |
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| 8 | private LanguageInfo() {
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| 9 | // Hide default constructor for utils classes
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| 10 | }
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| 11 |
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| 12 | /**
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| 13 | * Type of the locale to use
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| 14 | * @since 5915
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| 15 | */
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| 16 | public enum LocaleType {
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| 17 | /** The current default language */
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| 18 | DEFAULT,
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| 19 | /** The current default language, but not english */
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| 20 | DEFAULTNOTENGLISH,
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| 21 | /** The base language (i.e. pt for pt_BR) */
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| 22 | BASELANGUAGE,
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| 23 | /** The standard english texts */
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| 24 | ENGLISH
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| 25 | }
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| 26 |
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| 27 | /**
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| 28 | * Replies the wiki language prefix for the given locale. The wiki language
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| 29 | * prefix has the form 'Xy:' where 'Xy' is a ISO 639 language code in title
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| 30 | * case (or Xy_AB: for sub languages).
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| 31 | *
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| 32 | * @param type the type
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| 33 | * @return the wiki language prefix or {@code null} for {@link LocaleType#BASELANGUAGE}, when
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| 34 | * base language is identical to default or english
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| 35 | * @since 5915
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| 36 | */
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| 37 | public static String getWikiLanguagePrefix(LocaleType type) {
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| 38 | if(type == LocaleType.ENGLISH)
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| 39 | return "";
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| 40 |
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| 41 | String code = getJOSMLocaleCode();
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| 42 | if(type == LocaleType.BASELANGUAGE) {
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| 43 | if(code.matches("[^_]+_[^_]+")) {
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| 44 | code = code.substring(0,2);
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| 45 | if ("en".equals(code))
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| 46 | return null;
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| 47 | } else {
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| 48 | return null;
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| 49 | }
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| 50 | } else if(type == LocaleType.DEFAULTNOTENGLISH && "en".equals(code))
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| 51 | return null;
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| 52 | return code.substring(0,1).toUpperCase() + code.substring(1) + ":";
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| 53 | }
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| 54 |
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| 55 | /**
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| 56 | * Replies the wiki language prefix for the current locale.
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| 57 | *
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| 58 | * @return the wiki language prefix
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| 59 | * @see Locale#getDefault()
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| 60 | * @see #getWikiLanguagePrefix(LocaleType)
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| 61 | */
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| 62 | public static String getWikiLanguagePrefix() {
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| 63 | return getWikiLanguagePrefix(LocaleType.DEFAULT);
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| 64 | }
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| 65 |
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| 66 | /**
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| 67 | * Replies the JOSM locale code for the default locale.
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| 68 | *
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| 69 | * @return the JOSM locale code for the default locale
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| 70 | * @see #getJOSMLocaleCode(Locale)
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| 71 | */
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| 72 | public static String getJOSMLocaleCode() {
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| 73 | return getJOSMLocaleCode(Locale.getDefault());
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| 74 | }
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| 75 |
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| 76 | /**
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| 77 | * Replies the locale code used by JOSM for a given locale.
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| 78 | *
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| 79 | * In most cases JOSM uses the 2-character ISO 639 language code ({@link Locale#getLanguage()}
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| 80 | * to identify the locale of a localized resource, but in some cases it may use the
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| 81 | * programmatic name for locales, as replied by {@link Locale#toString()}.
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| 82 | *
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| 83 | * @param locale the locale. Replies "en" if null.
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| 84 | * @return the JOSM code for the given locale
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| 85 | */
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| 86 | public static String getJOSMLocaleCode(Locale locale) {
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| 87 | if (locale == null) return "en";
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| 88 | String full = locale.toString();
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| 89 | if (full.equals("iw_IL"))
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| 90 | return "he";
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| 91 | else if (full.equals("in"))
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| 92 | return "id";
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| 93 | else if (I18n.hasCode(full)) // catch all non-single codes
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| 94 | return full;
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| 95 |
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| 96 | // return single code
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| 97 | return locale.getLanguage();
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| 98 | }
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| 99 |
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| 100 | /**
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| 101 | * Replies the locale code used by Java for a given locale.
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| 102 | *
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| 103 | * In most cases JOSM and Java uses the same codes, but for some exceptions this is needed.
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| 104 | *
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| 105 | * @param localeName the locale code.
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| 106 | * @return the resulting locale
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| 107 | */
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| 108 | public static Locale getLocale(String localeName) {
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| 109 | if (localeName.equals("he")) {
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| 110 | localeName = "iw_IL";
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| 111 | }
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| 112 | else if (localeName.equals("id")) {
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| 113 | localeName = "in";
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| 114 | }
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| 115 | Locale l;
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| 116 | int i = localeName.indexOf('_');
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| 117 | if (i > 0) {
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| 118 | l = new Locale(localeName.substring(0, i), localeName.substring(i + 1));
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| 119 | } else {
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| 120 | l = new Locale(localeName);
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| 121 | }
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| 122 | return l;
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| 123 | }
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| 124 |
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| 125 | public static String getLanguageCodeXML() {
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| 126 | return getJOSMLocaleCode()+".";
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| 127 | }
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| 128 |
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| 129 | public static String getLanguageCodeManifest() {
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| 130 | return getJOSMLocaleCode()+"_";
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| 131 | }
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| 132 | }
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