| /* |
| * Copyright (c) 1996, 2015, 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.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 |
| * @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. |
| */ |
| 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 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<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". |
| */ |
| @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; |
| } |
| } |
| } |