| /* |
| * Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.util.locale.provider; |
| |
| import java.util.Locale; |
| import java.util.Set; |
| import java.util.spi.LocaleNameProvider; |
| |
| /** |
| * Concrete implementation of the |
| * {@link java.util.spi.LocaleNameProvider LocaleNameProvider} class |
| * for the JRE LocaleProviderAdapter. |
| * |
| * @author Naoto Sato |
| * @author Masayoshi Okutsu |
| */ |
| public class LocaleNameProviderImpl extends LocaleNameProvider implements AvailableLanguageTags { |
| private final LocaleProviderAdapter.Type type; |
| private final Set<String> langtags; |
| |
| public LocaleNameProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) { |
| this.type = type; |
| this.langtags = langtags; |
| } |
| |
| /** |
| * Returns an array of all locales for which this locale service provider |
| * can provide localized objects or names. |
| * |
| * @return An array of all locales for which this locale service provider |
| * can provide localized objects or names. |
| */ |
| @Override |
| public Locale[] getAvailableLocales() { |
| return LocaleProviderAdapter.toLocaleArray(langtags); |
| } |
| |
| @Override |
| public boolean isSupportedLocale(Locale locale) { |
| return LocaleProviderAdapter.forType(type).isSupportedProviderLocale(locale, langtags); |
| } |
| |
| /** |
| * Returns a localized name for the given ISO 639 language code and the |
| * given locale that is appropriate for display to the user. |
| * For example, if <code>languageCode</code> is "fr" and <code>locale</code> |
| * is en_US, getDisplayLanguage() will return "French"; if <code>languageCode</code> |
| * is "en" and <code>locale</code> is fr_FR, getDisplayLanguage() will return "anglais". |
| * If the name returned cannot be localized according to <code>locale</code>, |
| * (say, the provider does not have a Japanese name for Croatian), |
| * this method returns null. |
| * @param lang the ISO 639 language code string in the form of two |
| * lower-case letters between 'a' (U+0061) and 'z' (U+007A) |
| * @param locale the desired locale |
| * @return the name of the given language code for the specified locale, or null if it's not |
| * available. |
| * @exception NullPointerException if <code>languageCode</code> or <code>locale</code> is null |
| * @exception IllegalArgumentException if <code>languageCode</code> is not in the form of |
| * two lower-case letters, or <code>locale</code> isn't |
| * one of the locales returned from |
| * {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() |
| * getAvailableLocales()}. |
| * @see java.util.Locale#getDisplayLanguage(java.util.Locale) |
| */ |
| @Override |
| public String getDisplayLanguage(String lang, Locale locale) { |
| return getDisplayString(lang, locale); |
| } |
| |
| /** |
| * Returns a localized name for the given <a href="http://www.rfc-editor.org/rfc/bcp/bcp47.txt"> |
| * IETF BCP47</a> script code and the given locale that is appropriate for |
| * display to the user. |
| * For example, if <code>scriptCode</code> is "Latn" and <code>locale</code> |
| * is en_US, getDisplayScript() will return "Latin"; if <code>scriptCode</code> |
| * is "Cyrl" and <code>locale</code> is fr_FR, getDisplayScript() will return "cyrillique". |
| * If the name returned cannot be localized according to <code>locale</code>, |
| * (say, the provider does not have a Japanese name for Cyrillic), |
| * this method returns null. The default implementation returns null. |
| * @param scriptCode the four letter script code string in the form of title-case |
| * letters (the first letter is upper-case character between 'A' (U+0041) and |
| * 'Z' (U+005A) followed by three lower-case character between 'a' (U+0061) |
| * and 'z' (U+007A)). |
| * @param locale the desired locale |
| * @return the name of the given script code for the specified locale, or null if it's not |
| * available. |
| * @exception NullPointerException if <code>scriptCode</code> or <code>locale</code> is null |
| * @exception IllegalArgumentException if <code>scriptCode</code> is not in the form of |
| * four title case letters, or <code>locale</code> isn't |
| * one of the locales returned from |
| * {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() |
| * getAvailableLocales()}. |
| * @see java.util.Locale#getDisplayScript(java.util.Locale) |
| */ |
| @Override |
| public String getDisplayScript(String scriptCode, Locale locale) { |
| return getDisplayString(scriptCode, locale); |
| } |
| |
| /** |
| * Returns a localized name for the given ISO 3166 country code and the |
| * given locale that is appropriate for display to the user. |
| * For example, if <code>countryCode</code> is "FR" and <code>locale</code> |
| * is en_US, getDisplayCountry() will return "France"; if <code>countryCode</code> |
| * is "US" and <code>locale</code> is fr_FR, getDisplayCountry() will return "Etats-Unis". |
| * If the name returned cannot be localized according to <code>locale</code>, |
| * (say, the provider does not have a Japanese name for Croatia), |
| * this method returns null. |
| * @param ctry the ISO 3166 country code string in the form of two |
| * upper-case letters between 'A' (U+0041) and 'Z' (U+005A) |
| * @param locale the desired locale |
| * @return the name of the given country code for the specified locale, or null if it's not |
| * available. |
| * @exception NullPointerException if <code>countryCode</code> or <code>locale</code> is null |
| * @exception IllegalArgumentException if <code>countryCode</code> is not in the form of |
| * two upper-case letters, or <code>locale</code> isn't |
| * one of the locales returned from |
| * {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() |
| * getAvailableLocales()}. |
| * @see java.util.Locale#getDisplayCountry(java.util.Locale) |
| */ |
| @Override |
| public String getDisplayCountry(String ctry, Locale locale) { |
| return getDisplayString(ctry, locale); |
| } |
| |
| /** |
| * Returns a localized name for the given variant code and the given locale that |
| * is appropriate for display to the user. |
| * If the name returned cannot be localized according to <code>locale</code>, |
| * this method returns null. |
| * @param vrnt the variant string |
| * @param locale the desired locale |
| * @return the name of the given variant string for the specified locale, or null if it's not |
| * available. |
| * @exception NullPointerException if <code>variant</code> or <code>locale</code> is null |
| * @exception IllegalArgumentException if <code>locale</code> isn't |
| * one of the locales returned from |
| * {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() |
| * getAvailableLocales()}. |
| * @see java.util.Locale#getDisplayVariant(java.util.Locale) |
| */ |
| @Override |
| public String getDisplayVariant(String vrnt, Locale locale) { |
| return getDisplayString("%%"+vrnt, locale); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public String getDisplayUnicodeExtensionKey(String key, Locale locale) { |
| super.getDisplayUnicodeExtensionKey(key, locale); // null check |
| String rbKey = "key." + key; |
| String name = getDisplayString(rbKey, locale); |
| return rbKey.equals(name) ? key : name; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public String getDisplayUnicodeExtensionType(String extType, String key, Locale locale) { |
| super.getDisplayUnicodeExtensionType(extType, key, locale); // null check |
| String rbKey = "type." + key + "." + extType; |
| String name = getDisplayString(rbKey, locale); |
| return rbKey.equals(name) ? extType : name; |
| } |
| |
| private String getDisplayString(String key, Locale locale) { |
| if (key == null || locale == null) { |
| throw new NullPointerException(); |
| } |
| |
| return LocaleProviderAdapter.forType(type).getLocaleResources(locale).getLocaleName(key); |
| } |
| |
| @Override |
| public Set<String> getAvailableLanguageTags() { |
| return langtags; |
| } |
| } |
