author | okutsu |
Mon, 10 Dec 2012 10:52:11 +0900 | |
changeset 14765 | 0987999ed367 |
parent 14185 | 916ec0a4d039 |
child 15260 | 7af2d7a87806 |
permissions | -rw-r--r-- |
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/* |
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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.util.LinkedHashSet; |
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import java.util.Locale; |
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import java.util.Map; |
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import java.util.Set; |
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import java.util.TimeZone; |
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import java.util.spi.TimeZoneNameProvider; |
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import sun.util.calendar.ZoneInfo; |
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import sun.util.resources.TimeZoneNamesBundle; |
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/** |
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* Concrete implementation of the |
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* {@link java.util.spi.TimeZoneNameProvider TimeZoneNameProvider} class |
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* for the JRE LocaleProviderAdapter. |
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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 TimeZoneNameProviderImpl extends TimeZoneNameProvider { |
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private final LocaleProviderAdapter.Type type; |
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private final Set<String> langtags; |
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TimeZoneNameProviderImpl(LocaleProviderAdapter.Type type, Set<String> langtags) { |
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this.type = type; |
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this.langtags = langtags; |
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} |
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/** |
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* Returns an array of all locales for which this locale service provider |
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* can provide localized objects or names. |
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* |
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* @return An array of all locales for which this locale service provider |
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* can provide localized objects or names. |
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*/ |
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@Override |
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public Locale[] getAvailableLocales() { |
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return LocaleProviderAdapter.toLocaleArray(langtags); |
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} |
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@Override |
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public boolean isSupportedLocale(Locale locale) { |
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return LocaleProviderAdapter.isSupportedLocale(locale, type, langtags); |
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} |
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/** |
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* Returns a name for the given time zone ID that's suitable for |
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* presentation to the user in the specified locale. The given time |
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* zone ID is "GMT" or one of the names defined using "Zone" entries |
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* in the "tz database", a public domain time zone database at |
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* <a href="ftp://elsie.nci.nih.gov/pub/">ftp://elsie.nci.nih.gov/pub/</a>. |
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* The data of this database is contained in a file whose name starts with |
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* "tzdata", and the specification of the data format is part of the zic.8 |
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* man page, which is contained in a file whose name starts with "tzcode". |
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* <p> |
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* If <code>daylight</code> is true, the method should return a name |
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* appropriate for daylight saving time even if the specified time zone |
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* has not observed daylight saving time in the past. |
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* |
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* @param ID a time zone ID string |
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* @param daylight if true, return the daylight saving name. |
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* @param style either {@link java.util.TimeZone#LONG TimeZone.LONG} or |
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* {@link java.util.TimeZone#SHORT TimeZone.SHORT} |
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* @param locale the desired locale |
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* @return the human-readable name of the given time zone in the |
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* given locale, or null if it's not available. |
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* @exception IllegalArgumentException if <code>style</code> is invalid, |
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* or <code>locale</code> isn't one of the locales returned from |
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* {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() |
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* getAvailableLocales()}. |
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* @exception NullPointerException if <code>ID</code> or <code>locale</code> |
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* is null |
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* @see java.util.TimeZone#getDisplayName(boolean, int, java.util.Locale) |
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*/ |
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@Override |
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public String getDisplayName(String id, boolean daylight, int style, Locale locale) { |
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String[] names = getDisplayNameArray(id, 5, locale); |
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if (names != null) { |
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int index = daylight ? 3 : 1; |
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if (style == TimeZone.SHORT) { |
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index++; |
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} |
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return names[index]; |
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} |
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return null; |
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} |
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@Override |
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public String getGenericDisplayName(String id, int style, Locale locale) { |
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String[] names = getDisplayNameArray(id, 7, locale); |
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if (names != null && names.length >= 7) { |
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return names[(style == TimeZone.LONG) ? 5 : 6]; |
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} |
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return null; |
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} |
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private String[] getDisplayNameArray(String id, int n, Locale locale) { |
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if (id == null || locale == null) { |
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throw new NullPointerException(); |
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} |
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LocaleProviderAdapter adapter = LocaleProviderAdapter.forType(type); |
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TimeZoneNamesBundle rb = adapter.getLocaleResources(locale).getTimeZoneNames(); |
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return rb.containsKey(id) ? rb.getStringArray(id, n) : null; |
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} |
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/** |
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* Returns a String[][] as the DateFormatSymbols.getZoneStrings() value for |
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* the given locale. This method is package private. |
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* |
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* @param locale a Locale for time zone names |
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* @return an array of time zone names arrays |
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*/ |
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String[][] getZoneStrings(Locale locale) { |
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LocaleProviderAdapter adapter = LocaleProviderAdapter.forType(type); |
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TimeZoneNamesBundle rb = adapter.getLocaleResources(locale).getTimeZoneNames(); |
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Set<String> keyset = rb.keySet(); |
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// Use a LinkedHashSet to preseve the order |
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Set<String[]> value = new LinkedHashSet<>(); |
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for (String key : keyset) { |
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value.add(rb.getStringArray(key)); |
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} |
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// Add aliases data for CLDR |
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if (type == LocaleProviderAdapter.Type.CLDR) { |
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// Note: TimeZoneNamesBundle creates a String[] on each getStringArray call. |
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Map<String, String> aliases = ZoneInfo.getAliasTable(); |
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for (String alias : aliases.keySet()) { |
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if (!keyset.contains(alias)) { |
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String tzid = aliases.get(alias); |
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if (keyset.contains(tzid)) { |
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String[] val = rb.getStringArray(tzid); |
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val[0] = alias; |
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value.add(val); |
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} |
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} |
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} |
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} |
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return value.toArray(new String[0][]); |
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} |
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} |