--- /dev/null Fri Aug 17 22:30:08 2012 +++ new/src/share/classes/sun/util/locale/provider/DateFormatProviderImpl.java Fri Aug 17 22:30:07 2012 @@ -0,0 +1,169 @@ +/* + * Copyright (c) 1999, 2012, 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. + */ + +package sun.util.locale.provider; + +import java.text.DateFormat; +import java.text.SimpleDateFormat; +import java.text.spi.DateFormatProvider; +import java.util.Calendar; +import java.util.Locale; +import java.util.MissingResourceException; +import java.util.Set; + +/** + * Concrete implementation of the {@link java.text.spi.DateFormatProvider + * DateFormatProvider} class for the JRE LocaleProviderAdapter. + * + * @author Naoto Sato + * @author Masayoshi Okutsu + */ +public class DateFormatProviderImpl extends DateFormatProvider implements AvailableLanguageTags { + private final LocaleProviderAdapter.Type type; + private final Set langtags; + + public DateFormatProviderImpl(LocaleProviderAdapter.Type type, Set langtags) { + this.type = type; + this.langtags = langtags; + } + + /** + * Returns an array of all locales for which this locale service provider + * can provide localized objects or names. + * + * @return An array of all locales for which this locale service provider + * can provide localized objects or names. + */ + @Override + public Locale[] getAvailableLocales() { + return LocaleProviderAdapter.toLocaleArray(langtags); + } + + @Override + public boolean isSupportedLocale(Locale locale) { + return LocaleProviderAdapter.isSupportedLocale(locale, type, langtags); + } + + /** + * Returns a new DateFormat instance which formats time + * with the given formatting style for the specified locale. + * @param style the given formatting style. Either one of + * {@link java.text.DateFormat#SHORT DateFormat.SHORT}, + * {@link java.text.DateFormat#MEDIUM DateFormat.MEDIUM}, + * {@link java.text.DateFormat#LONG DateFormat.LONG}, or + * {@link java.text.DateFormat#FULL DateFormat.FULL}. + * @param locale the desired locale. + * @exception IllegalArgumentException if style is invalid, + * or if locale isn't + * one of the locales returned from + * {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() + * getAvailableLocales()}. + * @exception NullPointerException if locale is null + * @return a time formatter. + * @see java.text.DateFormat#getTimeInstance(int, java.util.Locale) + */ + @Override + public DateFormat getTimeInstance(int style, Locale locale) { + return getInstance(-1, style, locale); + } + + /** + * Returns a new DateFormat instance which formats date + * with the given formatting style for the specified locale. + * @param style the given formatting style. Either one of + * {@link java.text.DateFormat#SHORT DateFormat.SHORT}, + * {@link java.text.DateFormat#MEDIUM DateFormat.MEDIUM}, + * {@link java.text.DateFormat#LONG DateFormat.LONG}, or + * {@link java.text.DateFormat#FULL DateFormat.FULL}. + * @param locale the desired locale. + * @exception IllegalArgumentException if style is invalid, + * or if locale isn't + * one of the locales returned from + * {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() + * getAvailableLocales()}. + * @exception NullPointerException if locale is null + * @return a date formatter. + * @see java.text.DateFormat#getDateInstance(int, java.util.Locale) + */ + @Override + public DateFormat getDateInstance(int style, Locale locale) { + return getInstance(style, -1, locale); + } + + /** + * Returns a new DateFormat instance which formats date and time + * with the given formatting style for the specified locale. + * @param dateStyle the given date formatting style. Either one of + * {@link java.text.DateFormat#SHORT DateFormat.SHORT}, + * {@link java.text.DateFormat#MEDIUM DateFormat.MEDIUM}, + * {@link java.text.DateFormat#LONG DateFormat.LONG}, or + * {@link java.text.DateFormat#FULL DateFormat.FULL}. + * @param timeStyle the given time formatting style. Either one of + * {@link java.text.DateFormat#SHORT DateFormat.SHORT}, + * {@link java.text.DateFormat#MEDIUM DateFormat.MEDIUM}, + * {@link java.text.DateFormat#LONG DateFormat.LONG}, or + * {@link java.text.DateFormat#FULL DateFormat.FULL}. + * @param locale the desired locale. + * @exception IllegalArgumentException if dateStyle or + * timeStyle is invalid, + * or if locale isn't + * one of the locales returned from + * {@link java.util.spi.LocaleServiceProvider#getAvailableLocales() + * getAvailableLocales()}. + * @exception NullPointerException if locale is null + * @return a date/time formatter. + * @see java.text.DateFormat#getDateTimeInstance(int, int, java.util.Locale) + */ + @Override + public DateFormat getDateTimeInstance(int dateStyle, int timeStyle, + Locale locale) { + return getInstance(dateStyle, timeStyle, locale); + } + + private DateFormat getInstance(int dateStyle, int timeStyle, Locale locale) { + if (locale == null) { + throw new NullPointerException(); + } + + SimpleDateFormat sdf = new SimpleDateFormat("", locale); + Calendar cal = sdf.getCalendar(); + try { + String pattern = LocaleProviderAdapter.forType(type) + .getLocaleResources(locale).getDateTimePattern(timeStyle, dateStyle, + cal); + sdf.applyPattern(pattern); + } catch (MissingResourceException mre) { + // Specify the fallback pattern + sdf.applyPattern("M/d/yy h:mm a"); + } + + return sdf; + } + + @Override + public Set getAvailableLanguageTags() { + return langtags; + } +}