| 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 java.util.Locale;
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| 5 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 6 |
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| 7 | public class LanguageInfo {
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| 8 |
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| 9 | /**
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| 10 | * Replies the wiki language prefix for the given locale. The wiki language
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| 11 | * prefix has the form 'Xy:' where 'Xy' is a ISO 639 language code in title
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| 12 | * case.
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| 13 | *
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| 14 | * @param locale the locale
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| 15 | * @return the wiki language prefix
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| 16 | */
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| 17 | static public String getWikiLanguagePrefix(Locale locale) {
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| 18 | String code = getJOSMLocaleCode(locale);
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| 19 | if (code.length() == 2) {
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| 20 | if (code.equals("en")) return "";
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| 21 | } else if (code.equals("zh_TW") || code.equals("zh_CN")) {
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| 22 | /* do nothing */
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| 23 | } else if (code.matches("[^_]+_[^_]+")) {
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| 24 | code = code.substring(0,2);
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| 25 | if (code.equals("en")) return "";
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| 26 | } else {
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| 27 | System.err.println(tr("Warning: failed to derive wiki language prefix from JOSM locale code ''{0}''. Using default code ''en''.", code));
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| 28 | return "";
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| 29 | }
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| 30 | return code.substring(0,1).toUpperCase() + code.substring(1) + ":";
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| 31 | }
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| 32 |
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| 33 | /**
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| 34 | * Replies the wiki language prefix for the current locale.
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| 35 | *
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| 36 | * @return the wiki language prefix
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| 37 | * @see Locale#getDefault()
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| 38 | * @see #getWikiLanguagePrefix(Locale)
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| 39 | */
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| 40 | static public String getWikiLanguagePrefix() {
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| 41 | return getWikiLanguagePrefix(Locale.getDefault());
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| 42 | }
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| 43 |
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| 44 | /**
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| 45 | * Replies the JOSM locale code for the default locale.
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| 46 | *
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| 47 | * @return the JOSM locale code for the default locale
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| 48 | * @see #getJOSMLocaleCode(Locale)
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| 49 | */
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| 50 | static public String getJOSMLocaleCode() {
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| 51 | return getJOSMLocaleCode(Locale.getDefault());
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| 52 | }
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| 53 |
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| 54 | /**
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| 55 | * Replies the locale code used by JOSM for a given locale.
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| 56 | *
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| 57 | * In most cases JOSM uses the 2-character ISO 639 language code ({@see Locale#getLanguage()}
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| 58 | * to identify the locale of a localized resource, but in some cases it may use the
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| 59 | * programmatic name for locales, as replied by {@see Locale#toString()}.
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| 60 | *
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| 61 | * @param locale the locale. Replies "en" if null.
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| 62 | * @return the JOSM code for the given locale
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| 63 | */
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| 64 | static public String getJOSMLocaleCode(Locale locale) {
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| 65 | if (locale == null) return "en";
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| 66 | String full = locale.toString();
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| 67 | if (full.equals("iw_IL"))
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| 68 | return "he";
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| 69 | else if (full.equals("in"))
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| 70 | return "id";
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| 71 | else if (I18n.hasCode(full)) /* catch all non-single codes */
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| 72 | return full;
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| 73 |
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| 74 | /* return single code */
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| 75 | return locale.getLanguage();
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| 76 | }
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| 77 |
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| 78 | /**
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| 79 | * Replies the locale code used by Java for a given locale.
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| 80 | *
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| 81 | * In most cases JOSM and Java uses the same codes, but for some exceptions this is needed.
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| 82 | *
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| 83 | * @param code the locale code.
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| 84 | * @return the resulting locale
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| 85 | */
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| 86 | static public Locale getLocale(String localeName) {
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| 87 | if (localeName.equals("he")) {
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| 88 | localeName = "iw_IL";
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| 89 | }
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| 90 | else if (localeName.equals("id")) {
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| 91 | localeName = "in";
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| 92 | }
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| 93 | Locale l;
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| 94 | int i = localeName.indexOf('_');
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| 95 | if (i > 0) {
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| 96 | l = new Locale(localeName.substring(0, i), localeName.substring(i + 1));
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| 97 | } else {
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| 98 | l = new Locale(localeName);
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| 99 | }
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| 100 | return l;
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| 101 | }
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| 102 |
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| 103 | static public String getLanguageCodeXML()
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| 104 | {
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| 105 | return getJOSMLocaleCode()+".";
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| 106 | }
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| 107 | static public String getLanguageCodeManifest()
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| 108 | {
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| 109 | return getJOSMLocaleCode()+"_";
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| 110 | }
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| 111 | }
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