| /* |
| * Copyright (c) 1996, 2018, 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. |
| */ |
| |
| /* |
| * (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 |
| * is protected by multiple US and International patents. |
| * |
| * This notice and attribution to Taligent may not be removed. |
| * Taligent is a registered trademark of Taligent, Inc. |
| * |
| */ |
| |
| 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.Map; |
| import java.util.MissingResourceException; |
| import java.util.ResourceBundle; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.spi.ResourceBundleProvider; |
| import sun.util.locale.provider.JRELocaleProviderAdapter; |
| import sun.util.locale.provider.LocaleProviderAdapter; |
| import static sun.util.locale.provider.LocaleProviderAdapter.Type.CLDR; |
| import static sun.util.locale.provider.LocaleProviderAdapter.Type.JRE; |
| import sun.util.locale.provider.ResourceBundleBasedAdapter; |
| |
| /** |
| * 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 static final ResourceBundle.Control defaultControl |
| = ResourceBundle.Control.getControl(ResourceBundle.Control.FORMAT_DEFAULT); |
| |
| private static final String DOTCLDR = ".cldr"; |
| |
| // Map of key (base name + locale) to candidates |
| private static final Map<String, List<Locale>> CANDIDATES_MAP = new ConcurrentHashMap<>(); |
| |
| 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. |
| */ |
| 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. |
| */ |
| 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. |
| */ |
| 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. |
| */ |
| 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. |
| */ |
| public ResourceBundle getBreakIteratorInfo(Locale locale) { |
| return getBundle(type.getTextResourcesPackage() + ".BreakIteratorInfo", locale); |
| } |
| |
| /** |
| * Gets a break iterator resources resource bundle, using |
| * privileges to allow accessing a sun.* package. |
| */ |
| public ResourceBundle getBreakIteratorResources(Locale locale) { |
| return getBundle(type.getTextResourcesPackage() + ".BreakIteratorResources", locale); |
| } |
| |
| /** |
| * 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. |
| */ |
| 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. |
| */ |
| 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<>() { |
| @Override |
| public ResourceBundle run() { |
| return Bundles.of(baseName, locale, LocaleDataStrategy.INSTANCE); |
| } |
| }); |
| } |
| |
| private static OpenListResourceBundle getSupplementary(final String baseName, final Locale locale) { |
| return AccessController.doPrivileged(new PrivilegedAction<>() { |
| @Override |
| public OpenListResourceBundle run() { |
| OpenListResourceBundle rb = null; |
| try { |
| rb = (OpenListResourceBundle) Bundles.of(baseName, locale, |
| SupplementaryStrategy.INSTANCE); |
| } catch (MissingResourceException e) { |
| // return null if no supplementary is available |
| } |
| return rb; |
| } |
| }); |
| } |
| |
| private static abstract class LocaleDataResourceBundleProvider |
| implements ResourceBundleProvider { |
| /** |
| * Changes baseName to its module dependent 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.ext.FormatData". If |
| * baseName contains ".cldr", such as "sun.text.resources.cldr.FormatData", |
| * the name is changed to "sun.text.resources.cldr.ext.FormatData". |
| */ |
| protected String toBundleName(String baseName, Locale locale) { |
| return LocaleDataStrategy.INSTANCE.toBundleName(baseName, locale); |
| } |
| } |
| |
| /** |
| * A ResourceBundleProvider implementation for loading locale data |
| * resource bundles except for the java.time supplementary data. |
| */ |
| public static abstract class CommonResourceBundleProvider extends LocaleDataResourceBundleProvider { |
| } |
| |
| /** |
| * A ResourceBundleProvider implementation for loading supplementary |
| * resource bundles for java.time. |
| */ |
| public static abstract class SupplementaryResourceBundleProvider extends LocaleDataResourceBundleProvider { |
| } |
| |
| // Bundles.Strategy implementations |
| |
| private static class LocaleDataStrategy implements Bundles.Strategy { |
| private static final LocaleDataStrategy INSTANCE = new LocaleDataStrategy(); |
| // TODO: avoid hard-coded Locales |
| private static Set<Locale> JAVA_BASE_LOCALES |
| = Set.of(Locale.ROOT, Locale.ENGLISH, Locale.US, new Locale("en", "US", "POSIX")); |
| |
| private LocaleDataStrategy() { |
| } |
| |
| /* |
| * 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. |
| * @return 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) { |
| String key = baseName + '-' + locale.toLanguageTag(); |
| List<Locale> candidates = CANDIDATES_MAP.get(key); |
| if (candidates == null) { |
| LocaleProviderAdapter.Type type = baseName.contains(DOTCLDR) ? CLDR : JRE; |
| LocaleProviderAdapter adapter = LocaleProviderAdapter.forType(type); |
| candidates = adapter instanceof ResourceBundleBasedAdapter ? |
| ((ResourceBundleBasedAdapter)adapter).getCandidateLocales(baseName, locale) : |
| defaultControl.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; |
| Set<String> langtags = ((JRELocaleProviderAdapter)adapter).getLanguageTagSet(category); |
| if (!langtags.isEmpty()) { |
| for (Iterator<Locale> itr = candidates.iterator(); itr.hasNext();) { |
| if (!adapter.isSupportedProviderLocale(itr.next(), langtags)) { |
| itr.remove(); |
| } |
| } |
| } |
| CANDIDATES_MAP.putIfAbsent(key, candidates); |
| } |
| return candidates; |
| } |
| |
| boolean inJavaBaseModule(String baseName, Locale locale) { |
| return JAVA_BASE_LOCALES.contains(locale); |
| } |
| |
| @Override |
| public String toBundleName(String baseName, Locale locale) { |
| String newBaseName = baseName; |
| if (!inJavaBaseModule(baseName, locale)) { |
| 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) + "ext" |
| + baseName.substring(index); |
| } |
| } |
| return defaultControl.toBundleName(newBaseName, locale); |
| } |
| |
| @Override |
| public Class<? extends ResourceBundleProvider> getResourceBundleProviderType(String baseName, |
| Locale locale) { |
| return inJavaBaseModule(baseName, locale) ? |
| null : CommonResourceBundleProvider.class; |
| } |
| } |
| |
| private static class SupplementaryStrategy extends LocaleDataStrategy { |
| private static final SupplementaryStrategy INSTANCE |
| = new SupplementaryStrategy(); |
| // TODO: avoid hard-coded Locales |
| private static Set<Locale> JAVA_BASE_LOCALES |
| = Set.of(Locale.ROOT, Locale.ENGLISH, Locale.US); |
| |
| private SupplementaryStrategy() { |
| } |
| |
| @Override |
| public List<Locale> getCandidateLocales(String baseName, Locale locale) { |
| // Specifiy only the given locale |
| return Arrays.asList(locale); |
| } |
| |
| @Override |
| public Class<? extends ResourceBundleProvider> getResourceBundleProviderType(String baseName, |
| Locale locale) { |
| return inJavaBaseModule(baseName, locale) ? |
| null : SupplementaryResourceBundleProvider.class; |
| } |
| |
| @Override |
| boolean inJavaBaseModule(String baseName, Locale locale) { |
| return JAVA_BASE_LOCALES.contains(locale); |
| } |
| } |
| } |
