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/*
 * (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved
 * (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved
 *
 * The original version of this source code and documentation
 * is copyrighted and owned by Taligent, Inc., a wholly-owned
 * subsidiary of IBM. These materials are provided under terms
 * of a License Agreement between Taligent and Sun. This technology
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 * Taligent is a registered trademark of Taligent, Inc.
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package sun.util.resources;

import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;
import java.util.Set;
import sun.util.locale.provider.JRELocaleProviderAdapter;
import sun.util.locale.provider.LocaleDataMetaInfo;
import sun.util.locale.provider.LocaleProviderAdapter;
import static sun.util.locale.provider.LocaleProviderAdapter.Type.CLDR;
import static sun.util.locale.provider.LocaleProviderAdapter.Type.JRE;

Provides information about and access to resource bundles in the sun.text.resources and sun.util.resources packages or in their corresponding packages for CLDR.
Author:Asmus Freytag, Mark Davis
/** * Provides information about and access to resource bundles in the * sun.text.resources and sun.util.resources packages or in their corresponding * packages for CLDR. * * @author Asmus Freytag * @author Mark Davis */
public class LocaleData { private final LocaleProviderAdapter.Type type; public LocaleData(LocaleProviderAdapter.Type type) { this.type = type; }
Gets a calendar data resource bundle, using privileges to allow accessing a sun.* package.
/** * Gets a calendar data resource bundle, using privileges * to allow accessing a sun.* package. */
public ResourceBundle getCalendarData(Locale locale) { return getBundle(type.getUtilResourcesPackage() + ".CalendarData", locale); }
Gets a currency names resource bundle, using privileges to allow accessing a sun.* package.
/** * Gets a currency names resource bundle, using privileges * to allow accessing a sun.* package. */
public OpenListResourceBundle getCurrencyNames(Locale locale) { return (OpenListResourceBundle) getBundle(type.getUtilResourcesPackage() + ".CurrencyNames", locale); }
Gets a locale names resource bundle, using privileges to allow accessing a sun.* package.
/** * Gets a locale names resource bundle, using privileges * to allow accessing a sun.* package. */
public OpenListResourceBundle getLocaleNames(Locale locale) { return (OpenListResourceBundle) getBundle(type.getUtilResourcesPackage() + ".LocaleNames", locale); }
Gets a time zone names resource bundle, using privileges to allow accessing a sun.* package.
/** * Gets a time zone names resource bundle, using privileges * to allow accessing a sun.* package. */
public TimeZoneNamesBundle getTimeZoneNames(Locale locale) { return (TimeZoneNamesBundle) getBundle(type.getUtilResourcesPackage() + ".TimeZoneNames", locale); }
Gets a break iterator info resource bundle, using privileges to allow accessing a sun.* package.
/** * Gets a break iterator info resource bundle, using privileges * to allow accessing a sun.* package. */
public ResourceBundle getBreakIteratorInfo(Locale locale) { return getBundle(type.getTextResourcesPackage() + ".BreakIteratorInfo", locale); }
Gets a collation data resource bundle, using privileges to allow accessing a sun.* package.
/** * Gets a collation data resource bundle, using privileges * to allow accessing a sun.* package. */
public ResourceBundle getCollationData(Locale locale) { return getBundle(type.getTextResourcesPackage() + ".CollationData", locale); }
Gets a date format data resource bundle, using privileges to allow accessing a sun.* package.
/** * Gets a date format data resource bundle, using privileges * to allow accessing a sun.* package. */
public ResourceBundle getDateFormatData(Locale locale) { return getBundle(type.getTextResourcesPackage() + ".FormatData", locale); } public void setSupplementary(ParallelListResourceBundle formatData) { if (!formatData.areParallelContentsComplete()) { String suppName = type.getTextResourcesPackage() + ".JavaTimeSupplementary"; setSupplementary(suppName, formatData); } } private boolean setSupplementary(String suppName, ParallelListResourceBundle formatData) { ParallelListResourceBundle parent = (ParallelListResourceBundle) formatData.getParent(); boolean resetKeySet = false; if (parent != null) { resetKeySet = setSupplementary(suppName, parent); } OpenListResourceBundle supp = getSupplementary(suppName, formatData.getLocale()); formatData.setParallelContents(supp); resetKeySet |= supp != null; // If any parents or this bundle has parallel data, reset keyset to create // a new keyset with the data. if (resetKeySet) { formatData.resetKeySet(); } return resetKeySet; }
Gets a number format data resource bundle, using privileges to allow accessing a sun.* package.
/** * Gets a number format data resource bundle, using privileges * to allow accessing a sun.* package. */
public ResourceBundle getNumberFormatData(Locale locale) { return getBundle(type.getTextResourcesPackage() + ".FormatData", locale); } public static ResourceBundle getBundle(final String baseName, final Locale locale) { return AccessController.doPrivileged(new PrivilegedAction<ResourceBundle>() { @Override public ResourceBundle run() { return ResourceBundle .getBundle(baseName, locale, LocaleDataResourceBundleControl.INSTANCE); } }); } private static OpenListResourceBundle getSupplementary(final String baseName, final Locale locale) { return AccessController.doPrivileged(new PrivilegedAction<OpenListResourceBundle>() { @Override public OpenListResourceBundle run() { OpenListResourceBundle rb = null; try { rb = (OpenListResourceBundle) ResourceBundle.getBundle(baseName, locale, SupplementaryResourceBundleControl.INSTANCE); } catch (MissingResourceException e) { // return null if no supplementary is available } return rb; } }); } private static class LocaleDataResourceBundleControl extends ResourceBundle.Control { /* Singlton instance of ResourceBundle.Control. */ private static final LocaleDataResourceBundleControl INSTANCE = new LocaleDataResourceBundleControl(); private LocaleDataResourceBundleControl() { } /* * This method overrides the default implementation to search * from a prebaked locale string list to determin the candidate * locale list. * * @param baseName the resource bundle base name. * locale the requested locale for the resource bundle. * @returns a list of candidate locales to search from. * @exception NullPointerException if baseName or locale is null. */ @Override public List<Locale> getCandidateLocales(String baseName, Locale locale) { List<Locale> candidates = super.getCandidateLocales(baseName, locale); // Weed out Locales which are known to have no resource bundles int lastDot = baseName.lastIndexOf('.'); String category = (lastDot >= 0) ? baseName.substring(lastDot + 1) : baseName; LocaleProviderAdapter.Type type = baseName.contains(DOTCLDR) ? CLDR : JRE; LocaleProviderAdapter adapter = LocaleProviderAdapter.forType(type); Set<String> langtags = ((JRELocaleProviderAdapter)adapter).getLanguageTagSet(category); if (!langtags.isEmpty()) { for (Iterator<Locale> itr = candidates.iterator(); itr.hasNext();) { if (!LocaleProviderAdapter.isSupportedLocale(itr.next(), type, langtags)) { itr.remove(); } } } // Force fallback to Locale.ENGLISH for CLDR time zone names support if (locale.getLanguage() != "en" && type == CLDR && category.equals("TimeZoneNames")) { candidates.add(candidates.size() - 1, Locale.ENGLISH); } return candidates; } /* * Overrides "getFallbackLocale" to return null so * that the fallback locale will be null. * @param baseName the resource bundle base name. * locale the requested locale for the resource bundle. * @return null for the fallback locale. * @exception NullPointerException if baseName or locale is null. */ @Override public Locale getFallbackLocale(String baseName, Locale locale) { if (baseName == null || locale == null) { throw new NullPointerException(); } return null; } private static final String DOTCLDR = ".cldr";
Changes baseName to its per-language package name and calls the super class implementation. For example, if the baseName is "sun.text.resources.FormatData" and locale is ja_JP, the baseName is changed to "sun.text.resources.ja.FormatData". If baseName contains "cldr", such as "sun.text.resources.cldr.FormatData", the name is changed to "sun.text.resources.cldr.jp.FormatData".
/** * Changes baseName to its per-language package name and * calls the super class implementation. For example, * if the baseName is "sun.text.resources.FormatData" and locale is ja_JP, * the baseName is changed to "sun.text.resources.ja.FormatData". If * baseName contains "cldr", such as "sun.text.resources.cldr.FormatData", * the name is changed to "sun.text.resources.cldr.jp.FormatData". */
@Override public String toBundleName(String baseName, Locale locale) { String newBaseName = baseName; String lang = locale.getLanguage(); if (lang.length() > 0) { if (baseName.startsWith(JRE.getUtilResourcesPackage()) || baseName.startsWith(JRE.getTextResourcesPackage())) { // Assume the lengths are the same. assert JRE.getUtilResourcesPackage().length() == JRE.getTextResourcesPackage().length(); int index = JRE.getUtilResourcesPackage().length(); if (baseName.indexOf(DOTCLDR, index) > 0) { index += DOTCLDR.length(); } newBaseName = baseName.substring(0, index + 1) + lang + baseName.substring(index); } } return super.toBundleName(newBaseName, locale); } } private static class SupplementaryResourceBundleControl extends LocaleDataResourceBundleControl { private static final SupplementaryResourceBundleControl INSTANCE = new SupplementaryResourceBundleControl(); private SupplementaryResourceBundleControl() { } @Override public List<Locale> getCandidateLocales(String baseName, Locale locale) { // Specifiy only the given locale return Arrays.asList(locale); } @Override public long getTimeToLive(String baseName, Locale locale) { assert baseName.contains("JavaTimeSupplementary"); return TTL_DONT_CACHE; } } }