author | naoto |
Wed, 31 Oct 2012 11:33:36 -0700 | |
changeset 14334 | 43556afc3c04 |
parent 14028 | 5f3d5ae5f1ea |
child 14418 | 967376921f20 |
permissions | -rw-r--r-- |
13583 | 1 |
/* |
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* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.util.locale.provider; |
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import java.io.File; |
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import java.security.AccessController; |
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import java.security.PrivilegedAction; |
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import java.text.spi.BreakIteratorProvider; |
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import java.text.spi.CollatorProvider; |
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import java.text.spi.DateFormatProvider; |
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import java.text.spi.DateFormatSymbolsProvider; |
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import java.text.spi.DecimalFormatSymbolsProvider; |
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import java.text.spi.NumberFormatProvider; |
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import java.util.HashSet; |
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import java.util.Locale; |
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import java.util.Set; |
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import java.util.StringTokenizer; |
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import java.util.concurrent.ConcurrentHashMap; |
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import java.util.concurrent.ConcurrentMap; |
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import java.util.spi.CalendarDataProvider; |
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import java.util.spi.CurrencyNameProvider; |
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import java.util.spi.LocaleNameProvider; |
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import java.util.spi.LocaleServiceProvider; |
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import java.util.spi.TimeZoneNameProvider; |
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import sun.util.resources.LocaleData; |
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/** |
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* LocaleProviderAdapter implementation for the legacy JRE locale data. |
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* |
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* @author Naoto Sato |
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* @author Masayoshi Okutsu |
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*/ |
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public class JRELocaleProviderAdapter extends LocaleProviderAdapter { |
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private static final String LOCALE_DATA_JAR_NAME = "localedata.jar"; |
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private final ConcurrentMap<String, Set<String>> langtagSets |
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= new ConcurrentHashMap<>(); |
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private final ConcurrentMap<Locale, LocaleResources> localeResourcesMap |
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= new ConcurrentHashMap<>(); |
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// LocaleData specific to this LocaleProviderAdapter. |
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private volatile LocaleData localeData; |
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/** |
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* Returns the type of this LocaleProviderAdapter |
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*/ |
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@Override |
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public LocaleProviderAdapter.Type getAdapterType() { |
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return Type.JRE; |
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} |
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/** |
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* Getter method for Locale Service Providers |
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*/ |
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@Override |
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@SuppressWarnings("unchecked") |
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public <P extends LocaleServiceProvider> P getLocaleServiceProvider(Class<P> c) { |
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switch (c.getSimpleName()) { |
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case "BreakIteratorProvider": |
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return (P) getBreakIteratorProvider(); |
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case "CollatorProvider": |
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return (P) getCollatorProvider(); |
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case "DateFormatProvider": |
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return (P) getDateFormatProvider(); |
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case "DateFormatSymbolsProvider": |
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return (P) getDateFormatSymbolsProvider(); |
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case "DecimalFormatSymbolsProvider": |
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return (P) getDecimalFormatSymbolsProvider(); |
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case "NumberFormatProvider": |
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return (P) getNumberFormatProvider(); |
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case "CurrencyNameProvider": |
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return (P) getCurrencyNameProvider(); |
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case "LocaleNameProvider": |
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return (P) getLocaleNameProvider(); |
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case "TimeZoneNameProvider": |
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return (P) getTimeZoneNameProvider(); |
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case "CalendarDataProvider": |
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return (P) getCalendarDataProvider(); |
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default: |
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throw new InternalError("should not come down here"); |
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} |
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} |
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private volatile BreakIteratorProvider breakIteratorProvider = null; |
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private volatile CollatorProvider collatorProvider = null; |
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private volatile DateFormatProvider dateFormatProvider = null; |
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private volatile DateFormatSymbolsProvider dateFormatSymbolsProvider = null; |
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private volatile DecimalFormatSymbolsProvider decimalFormatSymbolsProvider = null; |
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private volatile NumberFormatProvider numberFormatProvider = null; |
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private volatile CurrencyNameProvider currencyNameProvider = null; |
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private volatile LocaleNameProvider localeNameProvider = null; |
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private volatile TimeZoneNameProvider timeZoneNameProvider = null; |
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private volatile CalendarDataProvider calendarDataProvider = null; |
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/* |
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* Getter methods for java.text.spi.* providers |
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*/ |
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@Override |
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public BreakIteratorProvider getBreakIteratorProvider() { |
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if (breakIteratorProvider == null) { |
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BreakIteratorProvider provider = new BreakIteratorProviderImpl(getAdapterType(), |
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getLanguageTagSet("FormatData")); |
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synchronized (this) { |
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if (breakIteratorProvider == null) { |
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breakIteratorProvider = provider; |
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} |
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} |
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} |
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return breakIteratorProvider; |
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} |
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@Override |
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public CollatorProvider getCollatorProvider() { |
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if (collatorProvider == null) { |
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CollatorProvider provider = new CollatorProviderImpl(getAdapterType(), |
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getLanguageTagSet("CollationData")); |
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synchronized (this) { |
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if (collatorProvider == null) { |
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collatorProvider = provider; |
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} |
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} |
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} |
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return collatorProvider; |
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} |
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@Override |
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public DateFormatProvider getDateFormatProvider() { |
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if (dateFormatProvider == null) { |
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DateFormatProvider provider = new DateFormatProviderImpl(getAdapterType(), |
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getLanguageTagSet("FormatData")); |
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synchronized (this) { |
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if (dateFormatProvider == null) { |
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dateFormatProvider = provider; |
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} |
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} |
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} |
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return dateFormatProvider; |
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} |
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@Override |
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public DateFormatSymbolsProvider getDateFormatSymbolsProvider() { |
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if (dateFormatSymbolsProvider == null) { |
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DateFormatSymbolsProvider provider = new DateFormatSymbolsProviderImpl(getAdapterType(), |
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getLanguageTagSet("FormatData")); |
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synchronized (this) { |
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if (dateFormatSymbolsProvider == null) { |
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dateFormatSymbolsProvider = provider; |
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} |
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} |
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} |
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return dateFormatSymbolsProvider; |
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} |
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@Override |
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public DecimalFormatSymbolsProvider getDecimalFormatSymbolsProvider() { |
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if (decimalFormatSymbolsProvider == null) { |
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DecimalFormatSymbolsProvider provider = new DecimalFormatSymbolsProviderImpl(getAdapterType(), getLanguageTagSet("FormatData")); |
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synchronized (this) { |
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if (decimalFormatSymbolsProvider == null) { |
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decimalFormatSymbolsProvider = provider; |
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} |
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} |
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} |
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return decimalFormatSymbolsProvider; |
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} |
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@Override |
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public NumberFormatProvider getNumberFormatProvider() { |
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if (numberFormatProvider == null) { |
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NumberFormatProvider provider = new NumberFormatProviderImpl(getAdapterType(), |
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getLanguageTagSet("FormatData")); |
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synchronized (this) { |
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if (numberFormatProvider == null) { |
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numberFormatProvider = provider; |
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} |
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} |
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} |
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return numberFormatProvider; |
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} |
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/** |
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* Getter methods for java.util.spi.* providers |
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*/ |
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@Override |
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public CurrencyNameProvider getCurrencyNameProvider() { |
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if (currencyNameProvider == null) { |
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CurrencyNameProvider provider = new CurrencyNameProviderImpl(getAdapterType(), |
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getLanguageTagSet("CurrencyNames")); |
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synchronized (this) { |
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if (currencyNameProvider == null) { |
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currencyNameProvider = provider; |
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} |
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} |
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} |
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return currencyNameProvider; |
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} |
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@Override |
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public LocaleNameProvider getLocaleNameProvider() { |
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if (localeNameProvider == null) { |
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LocaleNameProvider provider = new LocaleNameProviderImpl(getAdapterType(), |
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getLanguageTagSet("LocaleNames")); |
13583 | 229 |
synchronized (this) { |
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if (localeNameProvider == null) { |
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localeNameProvider = provider; |
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} |
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} |
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} |
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return localeNameProvider; |
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} |
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@Override |
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public TimeZoneNameProvider getTimeZoneNameProvider() { |
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if (timeZoneNameProvider == null) { |
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TimeZoneNameProvider provider = new TimeZoneNameProviderImpl(getAdapterType(), |
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getLanguageTagSet("TimeZoneNames")); |
13583 | 243 |
synchronized (this) { |
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if (timeZoneNameProvider == null) { |
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timeZoneNameProvider = provider; |
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} |
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} |
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} |
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return timeZoneNameProvider; |
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} |
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@Override |
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public CalendarDataProvider getCalendarDataProvider() { |
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if (calendarDataProvider == null) { |
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Set<String> set = new HashSet<>(); |
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set.addAll(getLanguageTagSet("FormatData")); |
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set.addAll(getLanguageTagSet("CalendarData")); |
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CalendarDataProvider provider = new CalendarDataProviderImpl(getAdapterType(), |
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set); |
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synchronized (this) { |
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if (calendarDataProvider == null) { |
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calendarDataProvider = provider; |
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} |
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} |
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} |
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return calendarDataProvider; |
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} |
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@Override |
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public LocaleResources getLocaleResources(Locale locale) { |
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LocaleResources lr = localeResourcesMap.get(locale); |
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if (lr == null) { |
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lr = new LocaleResources(this, locale); |
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LocaleResources lrc = localeResourcesMap.putIfAbsent(locale, lr); |
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if (lrc != null) { |
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lr = lrc; |
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} |
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} |
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return lr; |
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} |
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282 |
@Override |
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public LocaleData getLocaleData() { |
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if (localeData == null) { |
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synchronized (this) { |
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286 |
if (localeData == null) { |
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localeData = new LocaleData(getAdapterType()); |
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} |
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} |
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} |
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return localeData; |
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} |
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293 |
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/** |
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* Returns a list of the installed locales. Currently, this simply returns |
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* the list of locales for which a sun.text.resources.FormatData bundle |
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* exists. This bundle family happens to be the one with the broadest |
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* locale coverage in the JRE. |
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*/ |
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300 |
@Override |
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public Locale[] getAvailableLocales() { |
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return AvailableJRELocales.localeList.clone(); |
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} |
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304 |
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305 |
public Set<String> getLanguageTagSet(String category) { |
13583 | 306 |
Set<String> tagset = langtagSets.get(category); |
307 |
if (tagset == null) { |
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tagset = createLanguageTagSet(category); |
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Set<String> ts = langtagSets.putIfAbsent(category, tagset); |
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310 |
if (ts != null) { |
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311 |
tagset = ts; |
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312 |
} |
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313 |
} |
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return tagset; |
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315 |
} |
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316 |
||
317 |
protected Set<String> createLanguageTagSet(String category) { |
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318 |
String supportedLocaleString = LocaleDataMetaInfo.getSupportedLocaleString(category); |
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319 |
Set<String> tagset = new HashSet<>(); |
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320 |
StringTokenizer tokens = new StringTokenizer(supportedLocaleString); |
|
321 |
while (tokens.hasMoreTokens()) { |
|
322 |
String token = tokens.nextToken(); |
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323 |
if (token.equals("|")) { |
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|
324 |
if (isNonUSLangSupported()) { |
13583 | 325 |
continue; |
326 |
} |
|
327 |
break; |
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328 |
} |
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329 |
tagset.add(token); |
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330 |
} |
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331 |
|
ec2c0bbcb881
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|
332 |
// ensure en-US is there (mandated by the spec, e.g. Collator.getAvailableLocales()) |
ec2c0bbcb881
7200119: Collator.getAvailableLocales() doesn't return Locale.US
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333 |
tagset.add("en-US"); |
ec2c0bbcb881
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334 |
|
13583 | 335 |
return tagset; |
336 |
} |
|
337 |
||
338 |
/** |
|
339 |
* Lazy load available locales. |
|
340 |
*/ |
|
341 |
private static class AvailableJRELocales { |
|
342 |
private static final Locale[] localeList = createAvailableLocales(); |
|
343 |
private AvailableJRELocales() { |
|
344 |
} |
|
345 |
} |
|
346 |
||
347 |
private static Locale[] createAvailableLocales() { |
|
348 |
/* |
|
349 |
* Gets the locale string list from LocaleDataMetaInfo class and then |
|
350 |
* contructs the Locale array and a set of language tags based on the |
|
351 |
* locale string returned above. |
|
352 |
*/ |
|
353 |
String supportedLocaleString = LocaleDataMetaInfo.getSupportedLocaleString("AvailableLocales"); |
|
354 |
||
355 |
if (supportedLocaleString.length() == 0) { |
|
356 |
throw new InternalError("No available locales for JRE"); |
|
357 |
} |
|
358 |
||
359 |
/* |
|
360 |
* Look for "|" and construct a new locale string list. |
|
361 |
*/ |
|
362 |
int barIndex = supportedLocaleString.indexOf('|'); |
|
363 |
StringTokenizer localeStringTokenizer; |
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|
364 |
if (isNonUSLangSupported()) { |
13583 | 365 |
localeStringTokenizer = new StringTokenizer(supportedLocaleString.substring(0, barIndex) |
366 |
+ supportedLocaleString.substring(barIndex + 1)); |
|
367 |
} else { |
|
368 |
localeStringTokenizer = new StringTokenizer(supportedLocaleString.substring(0, barIndex)); |
|
369 |
} |
|
370 |
||
371 |
int length = localeStringTokenizer.countTokens(); |
|
372 |
Locale[] locales = new Locale[length + 1]; |
|
373 |
locales[0] = Locale.ROOT; |
|
374 |
for (int i = 1; i <= length; i++) { |
|
375 |
String currentToken = localeStringTokenizer.nextToken(); |
|
376 |
switch (currentToken) { |
|
377 |
case "ja-JP-JP": |
|
378 |
locales[i] = JRELocaleConstants.JA_JP_JP; |
|
379 |
break; |
|
380 |
case "no-NO-NY": |
|
381 |
locales[i] = JRELocaleConstants.NO_NO_NY; |
|
382 |
break; |
|
383 |
case "th-TH-TH": |
|
384 |
locales[i] = JRELocaleConstants.TH_TH_TH; |
|
385 |
break; |
|
386 |
default: |
|
387 |
locales[i] = Locale.forLanguageTag(currentToken); |
|
388 |
} |
|
389 |
} |
|
390 |
return locales; |
|
391 |
} |
|
392 |
||
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|
393 |
private static volatile Boolean isNonUSSupported = null; |
13583 | 394 |
|
395 |
/* |
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|
396 |
* Returns true if the non US resources jar file exists in jre |
13583 | 397 |
* extension directory. @returns true if the jar file is there. Otherwise, |
398 |
* returns false. |
|
399 |
*/ |
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14334
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14028
diff
changeset
|
400 |
private static boolean isNonUSLangSupported() { |
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8001231: Move locale data out of rt.jar (except the US locale)
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diff
changeset
|
401 |
if (isNonUSSupported == null) { |
13583 | 402 |
synchronized (JRELocaleProviderAdapter.class) { |
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changeset
|
403 |
if (isNonUSSupported == null) { |
13583 | 404 |
final String sep = File.separator; |
405 |
String localeDataJar = |
|
406 |
java.security.AccessController.doPrivileged( |
|
407 |
new sun.security.action.GetPropertyAction("java.home")) |
|
408 |
+ sep + "lib" + sep + "ext" + sep + LOCALE_DATA_JAR_NAME; |
|
409 |
||
410 |
/* |
|
411 |
* Peek at the installed extension directory to see if |
|
412 |
* localedata.jar is installed or not. |
|
413 |
*/ |
|
414 |
final File f = new File(localeDataJar); |
|
14334
43556afc3c04
8001231: Move locale data out of rt.jar (except the US locale)
naoto
parents:
14028
diff
changeset
|
415 |
isNonUSSupported = |
13583 | 416 |
AccessController.doPrivileged(new PrivilegedAction<Boolean>() { |
417 |
@Override |
|
418 |
public Boolean run() { |
|
419 |
return f.exists(); |
|
420 |
} |
|
421 |
}); |
|
422 |
} |
|
423 |
} |
|
424 |
} |
|
14334
43556afc3c04
8001231: Move locale data out of rt.jar (except the US locale)
naoto
parents:
14028
diff
changeset
|
425 |
return isNonUSSupported; |
13583 | 426 |
} |
427 |
} |