author | naoto |
Thu, 14 Mar 2013 11:29:16 -0700 | |
changeset 16481 | 8e30386cc014 |
parent 15260 | 7af2d7a87806 |
child 23010 | 6dadb192ad81 |
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.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.Arrays; |
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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.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.CalendarNameProvider; |
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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.spi.CalendarProvider; |
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/** |
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* An abstract parent class for the |
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* HostLocaleProviderAdapter/SPILocaleProviderAdapter. |
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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 abstract class AuxLocaleProviderAdapter extends LocaleProviderAdapter { |
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/** |
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* SPI implementations map |
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*/ |
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private ConcurrentMap<Class<? extends LocaleServiceProvider>, LocaleServiceProvider> providersMap = |
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new ConcurrentHashMap<>(); |
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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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public <P extends LocaleServiceProvider> P getLocaleServiceProvider(Class<P> c) { |
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@SuppressWarnings("unchecked") |
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P lsp = (P) providersMap.get(c); |
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if (lsp == null) { |
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lsp = findInstalledProvider(c); |
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providersMap.putIfAbsent(c, lsp == null ? NULL_PROVIDER : lsp); |
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} |
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return lsp; |
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} |
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/** |
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* Real body to find an implementation for each SPI. |
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* |
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* @param <P> |
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* @param c |
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* @return |
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*/ |
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protected abstract <P extends LocaleServiceProvider> P findInstalledProvider(final Class<P> c); |
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@Override |
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public BreakIteratorProvider getBreakIteratorProvider() { |
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return getLocaleServiceProvider(BreakIteratorProvider.class); |
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} |
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@Override |
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public CollatorProvider getCollatorProvider() { |
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return getLocaleServiceProvider(CollatorProvider.class); |
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} |
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@Override |
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public DateFormatProvider getDateFormatProvider() { |
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return getLocaleServiceProvider(DateFormatProvider.class); |
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} |
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@Override |
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public DateFormatSymbolsProvider getDateFormatSymbolsProvider() { |
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return getLocaleServiceProvider(DateFormatSymbolsProvider.class); |
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} |
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@Override |
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public DecimalFormatSymbolsProvider getDecimalFormatSymbolsProvider() { |
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return getLocaleServiceProvider(DecimalFormatSymbolsProvider.class); |
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} |
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@Override |
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public NumberFormatProvider getNumberFormatProvider() { |
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return getLocaleServiceProvider(NumberFormatProvider.class); |
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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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return getLocaleServiceProvider(CurrencyNameProvider.class); |
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} |
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@Override |
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public LocaleNameProvider getLocaleNameProvider() { |
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return getLocaleServiceProvider(LocaleNameProvider.class); |
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} |
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@Override |
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public TimeZoneNameProvider getTimeZoneNameProvider() { |
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return getLocaleServiceProvider(TimeZoneNameProvider.class); |
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} |
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@Override |
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public CalendarDataProvider getCalendarDataProvider() { |
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return getLocaleServiceProvider(CalendarDataProvider.class); |
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} |
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8000986: Split java.util.spi.CalendarDataProvider into week parameters and field names portions
okutsu
parents:
13583
diff
changeset
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@Override |
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public CalendarNameProvider getCalendarNameProvider() { |
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return getLocaleServiceProvider(CalendarNameProvider.class); |
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} |
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8e30386cc014
8008576: Calendar mismatch using Host LocaleProviderAdapter
naoto
parents:
15260
diff
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/** |
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parents:
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* Getter methods for sun.util.spi.* providers |
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*/ |
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@Override |
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public CalendarProvider getCalendarProvider() { |
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return getLocaleServiceProvider(CalendarProvider.class); |
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} |
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@Override |
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public LocaleResources getLocaleResources(Locale locale) { |
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return null; |
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} |
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private static Locale[] availableLocales = null; |
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@Override |
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public Locale[] getAvailableLocales() { |
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if (availableLocales == null) { |
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Set<Locale> avail = new HashSet<>(); |
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for (Class<? extends LocaleServiceProvider> c : |
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LocaleServiceProviderPool.spiClasses) { |
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LocaleServiceProvider lsp = getLocaleServiceProvider(c); |
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if (lsp != null) { |
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avail.addAll(Arrays.asList(lsp.getAvailableLocales())); |
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} |
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} |
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availableLocales = avail.toArray(new Locale[0]); |
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} |
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// assuming caller won't mutate the array. |
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return availableLocales; |
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} |
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/** |
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* A dummy locale service provider that indicates there is no |
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* provider available |
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*/ |
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private static NullProvider NULL_PROVIDER = new NullProvider(); |
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private static class NullProvider extends LocaleServiceProvider { |
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@Override |
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public Locale[] getAvailableLocales() { |
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return new Locale[0]; |
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} |
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} |
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} |