author | naoto |
Tue, 15 Oct 2019 09:25:59 -0700 | |
changeset 58603 | 2312d1a04c49 |
parent 58288 | 48e480e56aad |
child 58679 | 9c3209ff7550 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1996, 2019, 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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/* |
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* (C) Copyright Taligent, Inc. 1996 - All Rights Reserved |
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* (C) Copyright IBM Corp. 1996 - All Rights Reserved |
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* |
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* The original version of this source code and documentation is copyrighted |
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* and owned by Taligent, Inc., a wholly-owned subsidiary of IBM. These |
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* materials are provided under terms of a License Agreement between Taligent |
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* and Sun. This technology is protected by multiple US and International |
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* patents. This notice and attribution to Taligent may not be removed. |
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* Taligent is a registered trademark of Taligent, Inc. |
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* |
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*/ |
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package java.text; |
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import java.io.IOException; |
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import java.io.ObjectOutputStream; |
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import java.io.Serializable; |
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import java.lang.ref.SoftReference; |
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import java.text.spi.DateFormatSymbolsProvider; |
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import java.util.Arrays; |
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import java.util.Locale; |
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import java.util.Objects; |
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import java.util.ResourceBundle; |
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import java.util.concurrent.ConcurrentHashMap; |
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import java.util.concurrent.ConcurrentMap; |
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import sun.util.locale.provider.CalendarDataUtility; |
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import sun.util.locale.provider.LocaleProviderAdapter; |
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import sun.util.locale.provider.LocaleServiceProviderPool; |
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import sun.util.locale.provider.ResourceBundleBasedAdapter; |
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import sun.util.locale.provider.TimeZoneNameUtility; |
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/** |
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* {@code DateFormatSymbols} is a public class for encapsulating |
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* localizable date-time formatting data, such as the names of the |
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* months, the names of the days of the week, and the time zone data. |
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* {@code SimpleDateFormat} uses |
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* {@code DateFormatSymbols} to encapsulate this information. |
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* |
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* <p> |
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* Typically you shouldn't use {@code DateFormatSymbols} directly. |
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* Rather, you are encouraged to create a date-time formatter with the |
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* {@code DateFormat} class's factory methods: {@code getTimeInstance}, |
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* {@code getDateInstance}, or {@code getDateTimeInstance}. |
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* These methods automatically create a {@code DateFormatSymbols} for |
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* the formatter so that you don't have to. After the |
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* formatter is created, you may modify its format pattern using the |
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* {@code setPattern} method. For more information about |
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* creating formatters using {@code DateFormat}'s factory methods, |
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* see {@link DateFormat}. |
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* |
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* <p> |
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* If you decide to create a date-time formatter with a specific |
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* format pattern for a specific locale, you can do so with: |
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* <blockquote> |
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* <pre> |
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* new SimpleDateFormat(aPattern, DateFormatSymbols.getInstance(aLocale)). |
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* </pre> |
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* </blockquote> |
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* |
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* <p>If the locale contains "rg" (region override) |
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* <a href="../util/Locale.html#def_locale_extension">Unicode extension</a>, |
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* the symbols are overridden for the designated region. |
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* |
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* <p> |
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* {@code DateFormatSymbols} objects are cloneable. When you obtain |
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* a {@code DateFormatSymbols} object, feel free to modify the |
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* date-time formatting data. For instance, you can replace the localized |
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* date-time format pattern characters with the ones that you feel easy |
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* to remember. Or you can change the representative cities |
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* to your favorite ones. |
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* |
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* <p> |
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* New {@code DateFormatSymbols} subclasses may be added to support |
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* {@code SimpleDateFormat} for date-time formatting for additional locales. |
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* @see DateFormat |
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* @see SimpleDateFormat |
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* @see java.util.SimpleTimeZone |
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* @author Chen-Lieh Huang |
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* @since 1.1 |
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*/ |
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public class DateFormatSymbols implements Serializable, Cloneable { |
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/** |
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* Construct a DateFormatSymbols object by loading format data from |
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* resources for the default {@link java.util.Locale.Category#FORMAT FORMAT} |
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* locale. This constructor can only |
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* construct instances for the locales supported by the Java |
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* runtime environment, not for those supported by installed |
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* {@link java.text.spi.DateFormatSymbolsProvider DateFormatSymbolsProvider} |
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* implementations. For full locale coverage, use the |
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* {@link #getInstance(Locale) getInstance} method. |
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* <p>This is equivalent to calling |
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* {@link #DateFormatSymbols(Locale) |
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* DateFormatSymbols(Locale.getDefault(Locale.Category.FORMAT))}. |
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* @see #getInstance() |
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* @see java.util.Locale#getDefault(java.util.Locale.Category) |
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* @see java.util.Locale.Category#FORMAT |
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* @throws java.util.MissingResourceException |
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* if the resources for the default locale cannot be |
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* found or cannot be loaded. |
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*/ |
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public DateFormatSymbols() |
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{ |
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initializeData(Locale.getDefault(Locale.Category.FORMAT)); |
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} |
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/** |
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* Construct a DateFormatSymbols object by loading format data from |
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* resources for the given locale. This constructor can only |
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* construct instances for the locales supported by the Java |
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* runtime environment, not for those supported by installed |
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* {@link java.text.spi.DateFormatSymbolsProvider DateFormatSymbolsProvider} |
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* implementations. For full locale coverage, use the |
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* {@link #getInstance(Locale) getInstance} method. |
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* |
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* @param locale the desired locale |
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* @see #getInstance(Locale) |
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* @throws java.util.MissingResourceException |
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* if the resources for the specified locale cannot be |
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* found or cannot be loaded. |
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*/ |
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public DateFormatSymbols(Locale locale) |
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{ |
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initializeData(locale); |
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} |
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/** |
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* Constructs an uninitialized DateFormatSymbols. |
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*/ |
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private DateFormatSymbols(boolean flag) { |
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} |
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/** |
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* Era strings. For example: "AD" and "BC". An array of 2 strings, |
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* indexed by {@code Calendar.BC} and {@code Calendar.AD}. |
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* @serial |
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*/ |
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String eras[] = null; |
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/** |
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* Month strings. For example: "January", "February", etc. An array |
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* of 13 strings (some calendars have 13 months), indexed by |
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* {@code Calendar.JANUARY}, {@code Calendar.FEBRUARY}, etc. |
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* @serial |
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*/ |
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String months[] = null; |
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/** |
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* Short month strings. For example: "Jan", "Feb", etc. An array of |
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* 13 strings (some calendars have 13 months), indexed by |
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* {@code Calendar.JANUARY}, {@code Calendar.FEBRUARY}, etc. |
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* @serial |
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*/ |
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String shortMonths[] = null; |
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/** |
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* Weekday strings. For example: "Sunday", "Monday", etc. An array |
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* of 8 strings, indexed by {@code Calendar.SUNDAY}, |
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* {@code Calendar.MONDAY}, etc. |
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* The element {@code weekdays[0]} is ignored. |
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* @serial |
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*/ |
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String weekdays[] = null; |
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/** |
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* Short weekday strings. For example: "Sun", "Mon", etc. An array |
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* of 8 strings, indexed by {@code Calendar.SUNDAY}, |
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* {@code Calendar.MONDAY}, etc. |
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* The element {@code shortWeekdays[0]} is ignored. |
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* @serial |
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*/ |
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String shortWeekdays[] = null; |
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/** |
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* AM and PM strings. For example: "AM" and "PM". An array of |
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* 2 strings, indexed by {@code Calendar.AM} and |
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* {@code Calendar.PM}. |
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* @serial |
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*/ |
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String ampms[] = null; |
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/** |
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* Localized names of time zones in this locale. This is a |
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* two-dimensional array of strings of size <em>n</em> by <em>m</em>, |
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* where <em>m</em> is at least 5. Each of the <em>n</em> rows is an |
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* entry containing the localized names for a single {@code TimeZone}. |
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* Each such row contains (with {@code i} ranging from |
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* 0..<em>n</em>-1): |
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* <ul> |
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* <li>{@code zoneStrings[i][0]} - time zone ID</li> |
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* <li>{@code zoneStrings[i][1]} - long name of zone in standard |
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* time</li> |
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* <li>{@code zoneStrings[i][2]} - short name of zone in |
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* standard time</li> |
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* <li>{@code zoneStrings[i][3]} - long name of zone in daylight |
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* saving time</li> |
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* <li>{@code zoneStrings[i][4]} - short name of zone in daylight |
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* saving time</li> |
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* </ul> |
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* The zone ID is <em>not</em> localized; it's one of the valid IDs of |
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* the {@link java.util.TimeZone TimeZone} class that are not |
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* <a href="../util/TimeZone.html#CustomID">custom IDs</a>. |
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* All other entries are localized names. |
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* @see java.util.TimeZone |
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* @serial |
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*/ |
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String zoneStrings[][] = null; |
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/** |
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* Indicates that zoneStrings is set externally with setZoneStrings() method. |
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*/ |
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transient boolean isZoneStringsSet = false; |
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/** |
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* Unlocalized date-time pattern characters. For example: 'y', 'd', etc. |
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* All locales use the same these unlocalized pattern characters. |
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*/ |
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static final String patternChars = "GyMdkHmsSEDFwWahKzZYuXL"; |
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static final int PATTERN_ERA = 0; // G |
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static final int PATTERN_YEAR = 1; // y |
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static final int PATTERN_MONTH = 2; // M |
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static final int PATTERN_DAY_OF_MONTH = 3; // d |
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static final int PATTERN_HOUR_OF_DAY1 = 4; // k |
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static final int PATTERN_HOUR_OF_DAY0 = 5; // H |
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static final int PATTERN_MINUTE = 6; // m |
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static final int PATTERN_SECOND = 7; // s |
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static final int PATTERN_MILLISECOND = 8; // S |
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static final int PATTERN_DAY_OF_WEEK = 9; // E |
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static final int PATTERN_DAY_OF_YEAR = 10; // D |
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static final int PATTERN_DAY_OF_WEEK_IN_MONTH = 11; // F |
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static final int PATTERN_WEEK_OF_YEAR = 12; // w |
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static final int PATTERN_WEEK_OF_MONTH = 13; // W |
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static final int PATTERN_AM_PM = 14; // a |
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static final int PATTERN_HOUR1 = 15; // h |
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static final int PATTERN_HOUR0 = 16; // K |
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static final int PATTERN_ZONE_NAME = 17; // z |
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static final int PATTERN_ZONE_VALUE = 18; // Z |
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static final int PATTERN_WEEK_YEAR = 19; // Y |
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static final int PATTERN_ISO_DAY_OF_WEEK = 20; // u |
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static final int PATTERN_ISO_ZONE = 21; // X |
13583 | 270 |
static final int PATTERN_MONTH_STANDALONE = 22; // L |
2 | 271 |
|
272 |
/** |
|
273 |
* Localized date-time pattern characters. For example, a locale may |
|
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* wish to use 'u' rather than 'y' to represent years in its date format |
|
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* pattern strings. |
|
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* This string must be exactly 18 characters long, with the index of |
|
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* the characters described by {@code DateFormat.ERA_FIELD}, |
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* {@code DateFormat.YEAR_FIELD}, etc. Thus, if the string were |
2 | 279 |
* "Xz...", then localized patterns would use 'X' for era and 'z' for year. |
280 |
* @serial |
|
281 |
*/ |
|
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String localPatternChars = null; |
|
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||
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/** |
|
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* The locale which is used for initializing this DateFormatSymbols object. |
|
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* |
|
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* @since 1.6 |
|
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* @serial |
|
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*/ |
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Locale locale = null; |
|
291 |
||
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/* use serialVersionUID from JDK 1.1.4 for interoperability */ |
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@java.io.Serial |
2 | 294 |
static final long serialVersionUID = -5987973545549424702L; |
295 |
||
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/** |
|
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* Returns an array of all locales for which the |
|
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* {@code getInstance} methods of this class can return |
2 | 299 |
* localized instances. |
300 |
* The returned array represents the union of locales supported by the |
|
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* Java runtime and by installed |
|
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* {@link java.text.spi.DateFormatSymbolsProvider DateFormatSymbolsProvider} |
|
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* implementations. It must contain at least a {@code Locale} |
2 | 304 |
* instance equal to {@link java.util.Locale#US Locale.US}. |
305 |
* |
|
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* @return An array of locales for which localized |
|
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* {@code DateFormatSymbols} instances are available. |
2 | 308 |
* @since 1.6 |
309 |
*/ |
|
310 |
public static Locale[] getAvailableLocales() { |
|
311 |
LocaleServiceProviderPool pool= |
|
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LocaleServiceProviderPool.getPool(DateFormatSymbolsProvider.class); |
|
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return pool.getAvailableLocales(); |
|
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} |
|
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/** |
|
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* Gets the {@code DateFormatSymbols} instance for the default |
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* locale. This method provides access to {@code DateFormatSymbols} |
2 | 319 |
* instances for locales supported by the Java runtime itself as well |
320 |
* as for those supported by installed |
|
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* {@link java.text.spi.DateFormatSymbolsProvider DateFormatSymbolsProvider} |
|
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* implementations. |
|
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* <p>This is equivalent to calling {@link #getInstance(Locale) |
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* getInstance(Locale.getDefault(Locale.Category.FORMAT))}. |
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* @see java.util.Locale#getDefault(java.util.Locale.Category) |
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* @see java.util.Locale.Category#FORMAT |
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* @return a {@code DateFormatSymbols} instance. |
2 | 328 |
* @since 1.6 |
329 |
*/ |
|
330 |
public static final DateFormatSymbols getInstance() { |
|
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return getInstance(Locale.getDefault(Locale.Category.FORMAT)); |
2 | 332 |
} |
333 |
||
334 |
/** |
|
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* Gets the {@code DateFormatSymbols} instance for the specified |
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* locale. This method provides access to {@code DateFormatSymbols} |
2 | 337 |
* instances for locales supported by the Java runtime itself as well |
338 |
* as for those supported by installed |
|
339 |
* {@link java.text.spi.DateFormatSymbolsProvider DateFormatSymbolsProvider} |
|
340 |
* implementations. |
|
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* @param locale the given locale. |
|
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* @return a {@code DateFormatSymbols} instance. |
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* @throws NullPointerException if {@code locale} is null |
2 | 344 |
* @since 1.6 |
345 |
*/ |
|
346 |
public static final DateFormatSymbols getInstance(Locale locale) { |
|
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DateFormatSymbols dfs = getProviderInstance(locale); |
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if (dfs != null) { |
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return dfs; |
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} |
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throw new RuntimeException("DateFormatSymbols instance creation failed."); |
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} |
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353 |
|
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/** |
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355 |
* Returns a DateFormatSymbols provided by a provider or found in |
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356 |
* the cache. Note that this method returns a cached instance, |
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357 |
* not its clone. Therefore, the instance should never be given to |
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358 |
* an application. |
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|
359 |
*/ |
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360 |
static final DateFormatSymbols getInstanceRef(Locale locale) { |
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361 |
DateFormatSymbols dfs = getProviderInstance(locale); |
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362 |
if (dfs != null) { |
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363 |
return dfs; |
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364 |
} |
13583 | 365 |
throw new RuntimeException("DateFormatSymbols instance creation failed."); |
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366 |
} |
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|
367 |
|
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368 |
private static DateFormatSymbols getProviderInstance(Locale locale) { |
13583 | 369 |
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, locale); |
370 |
DateFormatSymbolsProvider provider = adapter.getDateFormatSymbolsProvider(); |
|
371 |
DateFormatSymbols dfsyms = provider.getInstance(locale); |
|
372 |
if (dfsyms == null) { |
|
373 |
provider = LocaleProviderAdapter.forJRE().getDateFormatSymbolsProvider(); |
|
374 |
dfsyms = provider.getInstance(locale); |
|
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375 |
} |
13583 | 376 |
return dfsyms; |
2 | 377 |
} |
378 |
||
379 |
/** |
|
380 |
* Gets era strings. For example: "AD" and "BC". |
|
381 |
* @return the era strings. |
|
382 |
*/ |
|
383 |
public String[] getEras() { |
|
384 |
return Arrays.copyOf(eras, eras.length); |
|
385 |
} |
|
386 |
||
387 |
/** |
|
388 |
* Sets era strings. For example: "AD" and "BC". |
|
389 |
* @param newEras the new era strings. |
|
390 |
*/ |
|
391 |
public void setEras(String[] newEras) { |
|
392 |
eras = Arrays.copyOf(newEras, newEras.length); |
|
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|
393 |
cachedHashCode = 0; |
2 | 394 |
} |
395 |
||
396 |
/** |
|
397 |
* Gets month strings. For example: "January", "February", etc. |
|
48660 | 398 |
* An array with either 12 or 13 elements will be returned depending |
399 |
* on whether or not {@link java.util.Calendar#UNDECIMBER Calendar.UNDECIMBER} |
|
400 |
* is supported. Use |
|
401 |
* {@link java.util.Calendar#JANUARY Calendar.JANUARY}, |
|
402 |
* {@link java.util.Calendar#FEBRUARY Calendar.FEBRUARY}, |
|
403 |
* etc. to index the result array. |
|
13583 | 404 |
* |
405 |
* <p>If the language requires different forms for formatting and |
|
406 |
* stand-alone usages, this method returns month names in the |
|
407 |
* formatting form. For example, the preferred month name for |
|
408 |
* January in the Czech language is <em>ledna</em> in the |
|
409 |
* formatting form, while it is <em>leden</em> in the stand-alone |
|
410 |
* form. This method returns {@code "ledna"} in this case. Refer |
|
411 |
* to the <a href="http://unicode.org/reports/tr35/#Calendar_Elements"> |
|
412 |
* Calendar Elements in the Unicode Locale Data Markup Language |
|
413 |
* (LDML) specification</a> for more details. |
|
414 |
* |
|
48660 | 415 |
* @implSpec This method returns 13 elements since |
416 |
* {@link java.util.Calendar#UNDECIMBER Calendar.UNDECIMBER} is supported. |
|
417 |
* @return the month strings. |
|
2 | 418 |
*/ |
419 |
public String[] getMonths() { |
|
420 |
return Arrays.copyOf(months, months.length); |
|
421 |
} |
|
422 |
||
423 |
/** |
|
424 |
* Sets month strings. For example: "January", "February", etc. |
|
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425 |
* @param newMonths the new month strings. The array should |
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426 |
* be indexed by {@link java.util.Calendar#JANUARY Calendar.JANUARY}, |
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|
427 |
* {@link java.util.Calendar#FEBRUARY Calendar.FEBRUARY}, etc. |
2 | 428 |
*/ |
429 |
public void setMonths(String[] newMonths) { |
|
430 |
months = Arrays.copyOf(newMonths, newMonths.length); |
|
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|
431 |
cachedHashCode = 0; |
2 | 432 |
} |
433 |
||
434 |
/** |
|
435 |
* Gets short month strings. For example: "Jan", "Feb", etc. |
|
48660 | 436 |
* An array with either 12 or 13 elements will be returned depending |
437 |
* on whether or not {@link java.util.Calendar#UNDECIMBER Calendar.UNDECIMBER} |
|
438 |
* is supported. Use |
|
439 |
* {@link java.util.Calendar#JANUARY Calendar.JANUARY}, |
|
440 |
* {@link java.util.Calendar#FEBRUARY Calendar.FEBRUARY}, |
|
441 |
* etc. to index the result array. |
|
13583 | 442 |
* |
443 |
* <p>If the language requires different forms for formatting and |
|
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|
444 |
* stand-alone usages, this method returns short month names in |
13583 | 445 |
* the formatting form. For example, the preferred abbreviation |
446 |
* for January in the Catalan language is <em>de gen.</em> in the |
|
447 |
* formatting form, while it is <em>gen.</em> in the stand-alone |
|
448 |
* form. This method returns {@code "de gen."} in this case. Refer |
|
449 |
* to the <a href="http://unicode.org/reports/tr35/#Calendar_Elements"> |
|
450 |
* Calendar Elements in the Unicode Locale Data Markup Language |
|
451 |
* (LDML) specification</a> for more details. |
|
452 |
* |
|
48660 | 453 |
* @implSpec This method returns 13 elements since |
454 |
* {@link java.util.Calendar#UNDECIMBER Calendar.UNDECIMBER} is supported. |
|
455 |
* @return the short month strings. |
|
2 | 456 |
*/ |
457 |
public String[] getShortMonths() { |
|
458 |
return Arrays.copyOf(shortMonths, shortMonths.length); |
|
459 |
} |
|
460 |
||
461 |
/** |
|
462 |
* Sets short month strings. For example: "Jan", "Feb", etc. |
|
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463 |
* @param newShortMonths the new short month strings. The array should |
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* be indexed by {@link java.util.Calendar#JANUARY Calendar.JANUARY}, |
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465 |
* {@link java.util.Calendar#FEBRUARY Calendar.FEBRUARY}, etc. |
2 | 466 |
*/ |
467 |
public void setShortMonths(String[] newShortMonths) { |
|
468 |
shortMonths = Arrays.copyOf(newShortMonths, newShortMonths.length); |
|
14172
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7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
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13583
diff
changeset
|
469 |
cachedHashCode = 0; |
2 | 470 |
} |
471 |
||
472 |
/** |
|
473 |
* Gets weekday strings. For example: "Sunday", "Monday", etc. |
|
40391
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
474 |
* @return the weekday strings. Use |
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
475 |
* {@link java.util.Calendar#SUNDAY Calendar.SUNDAY}, |
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
476 |
* {@link java.util.Calendar#MONDAY Calendar.MONDAY}, etc. to index |
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
477 |
* the result array. |
2 | 478 |
*/ |
479 |
public String[] getWeekdays() { |
|
480 |
return Arrays.copyOf(weekdays, weekdays.length); |
|
481 |
} |
|
482 |
||
483 |
/** |
|
484 |
* Sets weekday strings. For example: "Sunday", "Monday", etc. |
|
485 |
* @param newWeekdays the new weekday strings. The array should |
|
40391
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
486 |
* be indexed by {@link java.util.Calendar#SUNDAY Calendar.SUNDAY}, |
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
487 |
* {@link java.util.Calendar#MONDAY Calendar.MONDAY}, etc. |
2 | 488 |
*/ |
489 |
public void setWeekdays(String[] newWeekdays) { |
|
490 |
weekdays = Arrays.copyOf(newWeekdays, newWeekdays.length); |
|
14172
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7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
491 |
cachedHashCode = 0; |
2 | 492 |
} |
493 |
||
494 |
/** |
|
495 |
* Gets short weekday strings. For example: "Sun", "Mon", etc. |
|
40391
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
496 |
* @return the short weekday strings. Use |
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
497 |
* {@link java.util.Calendar#SUNDAY Calendar.SUNDAY}, |
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
498 |
* {@link java.util.Calendar#MONDAY Calendar.MONDAY}, etc. to index |
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
499 |
* the result array. |
2 | 500 |
*/ |
501 |
public String[] getShortWeekdays() { |
|
502 |
return Arrays.copyOf(shortWeekdays, shortWeekdays.length); |
|
503 |
} |
|
504 |
||
505 |
/** |
|
506 |
* Sets short weekday strings. For example: "Sun", "Mon", etc. |
|
507 |
* @param newShortWeekdays the new short weekday strings. The array should |
|
40391
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
508 |
* be indexed by {@link java.util.Calendar#SUNDAY Calendar.SUNDAY}, |
7c0d6665aef9
8129555: DateFormatSymbols: month-related methods must refer to Calendar constants
nishjain
parents:
39490
diff
changeset
|
509 |
* {@link java.util.Calendar#MONDAY Calendar.MONDAY}, etc. |
2 | 510 |
*/ |
511 |
public void setShortWeekdays(String[] newShortWeekdays) { |
|
512 |
shortWeekdays = Arrays.copyOf(newShortWeekdays, newShortWeekdays.length); |
|
14172
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7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
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13583
diff
changeset
|
513 |
cachedHashCode = 0; |
2 | 514 |
} |
515 |
||
516 |
/** |
|
517 |
* Gets ampm strings. For example: "AM" and "PM". |
|
518 |
* @return the ampm strings. |
|
519 |
*/ |
|
520 |
public String[] getAmPmStrings() { |
|
521 |
return Arrays.copyOf(ampms, ampms.length); |
|
522 |
} |
|
523 |
||
524 |
/** |
|
525 |
* Sets ampm strings. For example: "AM" and "PM". |
|
526 |
* @param newAmpms the new ampm strings. |
|
527 |
*/ |
|
528 |
public void setAmPmStrings(String[] newAmpms) { |
|
529 |
ampms = Arrays.copyOf(newAmpms, newAmpms.length); |
|
14172
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
530 |
cachedHashCode = 0; |
2 | 531 |
} |
532 |
||
533 |
/** |
|
534 |
* Gets time zone strings. Use of this method is discouraged; use |
|
535 |
* {@link java.util.TimeZone#getDisplayName() TimeZone.getDisplayName()} |
|
536 |
* instead. |
|
537 |
* <p> |
|
538 |
* The value returned is a |
|
539 |
* two-dimensional array of strings of size <em>n</em> by <em>m</em>, |
|
540 |
* where <em>m</em> is at least 5. Each of the <em>n</em> rows is an |
|
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
541 |
* entry containing the localized names for a single {@code TimeZone}. |
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
542 |
* Each such row contains (with {@code i} ranging from |
2 | 543 |
* 0..<em>n</em>-1): |
544 |
* <ul> |
|
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
545 |
* <li>{@code zoneStrings[i][0]} - time zone ID</li> |
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
546 |
* <li>{@code zoneStrings[i][1]} - long name of zone in standard |
2 | 547 |
* time</li> |
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
548 |
* <li>{@code zoneStrings[i][2]} - short name of zone in |
2 | 549 |
* standard time</li> |
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
550 |
* <li>{@code zoneStrings[i][3]} - long name of zone in daylight |
2 | 551 |
* saving time</li> |
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
552 |
* <li>{@code zoneStrings[i][4]} - short name of zone in daylight |
2 | 553 |
* saving time</li> |
554 |
* </ul> |
|
555 |
* The zone ID is <em>not</em> localized; it's one of the valid IDs of |
|
556 |
* the {@link java.util.TimeZone TimeZone} class that are not |
|
557 |
* <a href="../util/TimeZone.html#CustomID">custom IDs</a>. |
|
558 |
* All other entries are localized names. If a zone does not implement |
|
559 |
* daylight saving time, the daylight saving time names should not be used. |
|
560 |
* <p> |
|
561 |
* If {@link #setZoneStrings(String[][]) setZoneStrings} has been called |
|
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
562 |
* on this {@code DateFormatSymbols} instance, then the strings |
2 | 563 |
* provided by that call are returned. Otherwise, the returned array |
564 |
* contains names provided by the Java runtime and by installed |
|
565 |
* {@link java.util.spi.TimeZoneNameProvider TimeZoneNameProvider} |
|
566 |
* implementations. |
|
567 |
* |
|
568 |
* @return the time zone strings. |
|
569 |
* @see #setZoneStrings(String[][]) |
|
570 |
*/ |
|
571 |
public String[][] getZoneStrings() { |
|
572 |
return getZoneStringsImpl(true); |
|
573 |
} |
|
574 |
||
575 |
/** |
|
576 |
* Sets time zone strings. The argument must be a |
|
577 |
* two-dimensional array of strings of size <em>n</em> by <em>m</em>, |
|
578 |
* where <em>m</em> is at least 5. Each of the <em>n</em> rows is an |
|
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
579 |
* entry containing the localized names for a single {@code TimeZone}. |
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
580 |
* Each such row contains (with {@code i} ranging from |
2 | 581 |
* 0..<em>n</em>-1): |
582 |
* <ul> |
|
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
583 |
* <li>{@code zoneStrings[i][0]} - time zone ID</li> |
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
584 |
* <li>{@code zoneStrings[i][1]} - long name of zone in standard |
2 | 585 |
* time</li> |
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
586 |
* <li>{@code zoneStrings[i][2]} - short name of zone in |
2 | 587 |
* standard time</li> |
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
588 |
* <li>{@code zoneStrings[i][3]} - long name of zone in daylight |
2 | 589 |
* saving time</li> |
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
590 |
* <li>{@code zoneStrings[i][4]} - short name of zone in daylight |
2 | 591 |
* saving time</li> |
592 |
* </ul> |
|
593 |
* The zone ID is <em>not</em> localized; it's one of the valid IDs of |
|
594 |
* the {@link java.util.TimeZone TimeZone} class that are not |
|
595 |
* <a href="../util/TimeZone.html#CustomID">custom IDs</a>. |
|
596 |
* All other entries are localized names. |
|
597 |
* |
|
598 |
* @param newZoneStrings the new time zone strings. |
|
58242
94bb65cb37d3
8230648: Replace @exception tag with @throws in java.base
jboes
parents:
57956
diff
changeset
|
599 |
* @throws IllegalArgumentException if the length of any row in |
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
600 |
* {@code newZoneStrings} is less than 5 |
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
601 |
* @throws NullPointerException if {@code newZoneStrings} is null |
2 | 602 |
* @see #getZoneStrings() |
603 |
*/ |
|
604 |
public void setZoneStrings(String[][] newZoneStrings) { |
|
605 |
String[][] aCopy = new String[newZoneStrings.length][]; |
|
606 |
for (int i = 0; i < newZoneStrings.length; ++i) { |
|
607 |
int len = newZoneStrings[i].length; |
|
608 |
if (len < 5) { |
|
609 |
throw new IllegalArgumentException(); |
|
610 |
} |
|
611 |
aCopy[i] = Arrays.copyOf(newZoneStrings[i], len); |
|
612 |
} |
|
613 |
zoneStrings = aCopy; |
|
614 |
isZoneStringsSet = true; |
|
14172
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
615 |
cachedHashCode = 0; |
2 | 616 |
} |
617 |
||
618 |
/** |
|
619 |
* Gets localized date-time pattern characters. For example: 'u', 't', etc. |
|
620 |
* @return the localized date-time pattern characters. |
|
621 |
*/ |
|
622 |
public String getLocalPatternChars() { |
|
6491
cd1bcc5057f4
4267450: (cal) API: Need public API to calculate, format and parse "year of week"
okutsu
parents:
6489
diff
changeset
|
623 |
return localPatternChars; |
2 | 624 |
} |
625 |
||
626 |
/** |
|
627 |
* Sets localized date-time pattern characters. For example: 'u', 't', etc. |
|
628 |
* @param newLocalPatternChars the new localized date-time |
|
629 |
* pattern characters. |
|
630 |
*/ |
|
631 |
public void setLocalPatternChars(String newLocalPatternChars) { |
|
6491
cd1bcc5057f4
4267450: (cal) API: Need public API to calculate, format and parse "year of week"
okutsu
parents:
6489
diff
changeset
|
632 |
// Call toString() to throw an NPE in case the argument is null |
cd1bcc5057f4
4267450: (cal) API: Need public API to calculate, format and parse "year of week"
okutsu
parents:
6489
diff
changeset
|
633 |
localPatternChars = newLocalPatternChars.toString(); |
14172
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
634 |
cachedHashCode = 0; |
2 | 635 |
} |
636 |
||
637 |
/** |
|
638 |
* Overrides Cloneable |
|
639 |
*/ |
|
640 |
public Object clone() |
|
641 |
{ |
|
642 |
try |
|
643 |
{ |
|
644 |
DateFormatSymbols other = (DateFormatSymbols)super.clone(); |
|
36253 | 645 |
copyMembers(this, other); |
2 | 646 |
return other; |
647 |
} catch (CloneNotSupportedException e) { |
|
10419
12c063b39232
7084245: Update usages of InternalError to use exception chaining
sherman
parents:
7003
diff
changeset
|
648 |
throw new InternalError(e); |
2 | 649 |
} |
650 |
} |
|
651 |
||
652 |
/** |
|
653 |
* Override hashCode. |
|
654 |
* Generates a hash code for the DateFormatSymbols object. |
|
655 |
*/ |
|
14172
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
656 |
@Override |
2 | 657 |
public int hashCode() { |
14172
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
658 |
int hashCode = cachedHashCode; |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
659 |
if (hashCode == 0) { |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
660 |
hashCode = 5; |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
661 |
hashCode = 11 * hashCode + Arrays.hashCode(eras); |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
662 |
hashCode = 11 * hashCode + Arrays.hashCode(months); |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
663 |
hashCode = 11 * hashCode + Arrays.hashCode(shortMonths); |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
664 |
hashCode = 11 * hashCode + Arrays.hashCode(weekdays); |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
665 |
hashCode = 11 * hashCode + Arrays.hashCode(shortWeekdays); |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
666 |
hashCode = 11 * hashCode + Arrays.hashCode(ampms); |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
667 |
hashCode = 11 * hashCode + Arrays.deepHashCode(getZoneStringsWrapper()); |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
668 |
hashCode = 11 * hashCode + Objects.hashCode(localPatternChars); |
34774
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
25859
diff
changeset
|
669 |
if (hashCode != 0) { |
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
25859
diff
changeset
|
670 |
cachedHashCode = hashCode; |
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
25859
diff
changeset
|
671 |
} |
14172
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
672 |
} |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
673 |
|
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
674 |
return hashCode; |
2 | 675 |
} |
676 |
||
677 |
/** |
|
678 |
* Override equals |
|
679 |
*/ |
|
680 |
public boolean equals(Object obj) |
|
681 |
{ |
|
682 |
if (this == obj) return true; |
|
683 |
if (obj == null || getClass() != obj.getClass()) return false; |
|
684 |
DateFormatSymbols that = (DateFormatSymbols) obj; |
|
685 |
return (Arrays.equals(eras, that.eras) |
|
686 |
&& Arrays.equals(months, that.months) |
|
687 |
&& Arrays.equals(shortMonths, that.shortMonths) |
|
688 |
&& Arrays.equals(weekdays, that.weekdays) |
|
689 |
&& Arrays.equals(shortWeekdays, that.shortWeekdays) |
|
690 |
&& Arrays.equals(ampms, that.ampms) |
|
691 |
&& Arrays.deepEquals(getZoneStringsWrapper(), that.getZoneStringsWrapper()) |
|
692 |
&& ((localPatternChars != null |
|
693 |
&& localPatternChars.equals(that.localPatternChars)) |
|
694 |
|| (localPatternChars == null |
|
695 |
&& that.localPatternChars == null))); |
|
696 |
} |
|
697 |
||
698 |
// =======================privates=============================== |
|
699 |
||
700 |
/** |
|
701 |
* Useful constant for defining time zone offsets. |
|
702 |
*/ |
|
703 |
static final int millisPerHour = 60*60*1000; |
|
704 |
||
705 |
/** |
|
7003
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
706 |
* Cache to hold DateFormatSymbols instances per Locale. |
2 | 707 |
*/ |
36253 | 708 |
private static final ConcurrentMap<Locale, SoftReference<DateFormatSymbols>> cachedInstances |
13583 | 709 |
= new ConcurrentHashMap<>(3); |
2 | 710 |
|
34774
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
25859
diff
changeset
|
711 |
private transient int lastZoneIndex; |
12549
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
712 |
|
14172
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
713 |
/** |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
714 |
* Cached hash code |
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
715 |
*/ |
34774
03b4e6dc367b
8145680: Remove unnecessary explicit initialization of volatile variables in java.base
redestad
parents:
25859
diff
changeset
|
716 |
transient volatile int cachedHashCode; |
14172
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
717 |
|
36951
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
718 |
/** |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
719 |
* Initializes this DateFormatSymbols with the locale data. This method uses |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
720 |
* a cached DateFormatSymbols instance for the given locale if available. If |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
721 |
* there's no cached one, this method creates an uninitialized instance and |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
722 |
* populates its fields from the resource bundle for the locale, and caches |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
723 |
* the instance. Note: zoneStrings isn't initialized in this method. |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
724 |
*/ |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
725 |
private void initializeData(Locale locale) { |
36253 | 726 |
SoftReference<DateFormatSymbols> ref = cachedInstances.get(locale); |
727 |
DateFormatSymbols dfs; |
|
36951
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
728 |
if (ref == null || (dfs = ref.get()) == null) { |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
729 |
if (ref != null) { |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
730 |
// Remove the empty SoftReference |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
731 |
cachedInstances.remove(locale, ref); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
732 |
} |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
733 |
dfs = new DateFormatSymbols(false); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
734 |
|
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47216
diff
changeset
|
735 |
// check for region override |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47216
diff
changeset
|
736 |
Locale override = CalendarDataUtility.findRegionOverride(locale); |
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47216
diff
changeset
|
737 |
|
36951
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
738 |
// Initialize the fields from the ResourceBundle for locale. |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
739 |
LocaleProviderAdapter adapter |
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47216
diff
changeset
|
740 |
= LocaleProviderAdapter.getAdapter(DateFormatSymbolsProvider.class, override); |
36951
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
741 |
// Avoid any potential recursions |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
742 |
if (!(adapter instanceof ResourceBundleBasedAdapter)) { |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
743 |
adapter = LocaleProviderAdapter.getResourceBundleBased(); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
744 |
} |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
745 |
ResourceBundle resource |
48251
57148c79bd75
8176841: Additional Unicode Language-Tag Extensions
naoto
parents:
47216
diff
changeset
|
746 |
= ((ResourceBundleBasedAdapter)adapter).getLocaleData().getDateFormatData(override); |
36951
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
747 |
|
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
748 |
dfs.locale = locale; |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
749 |
// JRE and CLDR use different keys |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
750 |
// JRE: Eras, short.Eras and narrow.Eras |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
751 |
// CLDR: long.Eras, Eras and narrow.Eras |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
752 |
if (resource.containsKey("Eras")) { |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
753 |
dfs.eras = resource.getStringArray("Eras"); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
754 |
} else if (resource.containsKey("long.Eras")) { |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
755 |
dfs.eras = resource.getStringArray("long.Eras"); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
756 |
} else if (resource.containsKey("short.Eras")) { |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
757 |
dfs.eras = resource.getStringArray("short.Eras"); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
758 |
} |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
759 |
dfs.months = resource.getStringArray("MonthNames"); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
760 |
dfs.shortMonths = resource.getStringArray("MonthAbbreviations"); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
761 |
dfs.ampms = resource.getStringArray("AmPmMarkers"); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
762 |
dfs.localPatternChars = resource.getString("DateTimePatternChars"); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
763 |
|
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
764 |
// Day of week names are stored in a 1-based array. |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
765 |
dfs.weekdays = toOneBasedArray(resource.getStringArray("DayNames")); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
766 |
dfs.shortWeekdays = toOneBasedArray(resource.getStringArray("DayAbbreviations")); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
767 |
|
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
768 |
// Put dfs in the cache |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
769 |
ref = new SoftReference<>(dfs); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
770 |
SoftReference<DateFormatSymbols> x = cachedInstances.putIfAbsent(locale, ref); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
771 |
if (x != null) { |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
772 |
DateFormatSymbols y = x.get(); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
773 |
if (y == null) { |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
774 |
// Replace the empty SoftReference with ref. |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
775 |
cachedInstances.replace(locale, x, ref); |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
776 |
} else { |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
777 |
ref = x; |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
778 |
dfs = y; |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
779 |
} |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
780 |
} |
7003
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
781 |
} |
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
782 |
|
36951
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
783 |
// Copy the field values from dfs to this instance. |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
784 |
copyMembers(dfs, this); |
7003
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
785 |
} |
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
786 |
|
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
787 |
private static String[] toOneBasedArray(String[] src) { |
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
788 |
int len = src.length; |
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
789 |
String[] dst = new String[len + 1]; |
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
790 |
dst[0] = ""; |
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
791 |
for (int i = 0; i < len; i++) { |
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
792 |
dst[i + 1] = src[i]; |
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
793 |
} |
7d8d9506b4ee
6991380: (cal) Calendar.cachedLocaleData should be transitioned from Hashtable to ConcurrentHashMap
okutsu
parents:
6497
diff
changeset
|
794 |
return dst; |
2 | 795 |
} |
796 |
||
797 |
/** |
|
798 |
* Package private: used by SimpleDateFormat |
|
799 |
* Gets the index for the given time zone ID to obtain the time zone |
|
800 |
* strings for formatting. The time zone ID is just for programmatic |
|
801 |
* lookup. NOT LOCALIZED!!! |
|
802 |
* @param ID the given time zone ID. |
|
803 |
* @return the index of the given time zone ID. Returns -1 if |
|
804 |
* the given time zone ID can't be located in the DateFormatSymbols object. |
|
805 |
* @see java.util.SimpleTimeZone |
|
806 |
*/ |
|
12549
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
807 |
final int getZoneIndex(String ID) { |
2 | 808 |
String[][] zoneStrings = getZoneStringsWrapper(); |
12549
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
809 |
|
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
810 |
/* |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
811 |
* getZoneIndex has been re-written for performance reasons. instead of |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
812 |
* traversing the zoneStrings array every time, we cache the last used zone |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
813 |
* index |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
814 |
*/ |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
815 |
if (lastZoneIndex < zoneStrings.length && ID.equals(zoneStrings[lastZoneIndex][0])) { |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
816 |
return lastZoneIndex; |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
817 |
} |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
818 |
|
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
819 |
/* slow path, search entire list */ |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
820 |
for (int index = 0; index < zoneStrings.length; index++) { |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
821 |
if (ID.equals(zoneStrings[index][0])) { |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
822 |
lastZoneIndex = index; |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
823 |
return index; |
db2c42dabfa4
7163865: Performance improvement for DateFormatSymbols.getZoneIndex(String)
youdwei
parents:
10419
diff
changeset
|
824 |
} |
2 | 825 |
} |
826 |
||
827 |
return -1; |
|
828 |
} |
|
829 |
||
830 |
/** |
|
831 |
* Wrapper method to the getZoneStrings(), which is called from inside |
|
832 |
* the java.text package and not to mutate the returned arrays, so that |
|
833 |
* it does not need to create a defensive copy. |
|
834 |
*/ |
|
835 |
final String[][] getZoneStringsWrapper() { |
|
836 |
if (isSubclassObject()) { |
|
837 |
return getZoneStrings(); |
|
838 |
} else { |
|
839 |
return getZoneStringsImpl(false); |
|
840 |
} |
|
841 |
} |
|
842 |
||
13583 | 843 |
private String[][] getZoneStringsImpl(boolean needsCopy) { |
2 | 844 |
if (zoneStrings == null) { |
845 |
zoneStrings = TimeZoneNameUtility.getZoneStrings(locale); |
|
846 |
} |
|
847 |
||
848 |
if (!needsCopy) { |
|
849 |
return zoneStrings; |
|
850 |
} |
|
851 |
||
852 |
int len = zoneStrings.length; |
|
853 |
String[][] aCopy = new String[len][]; |
|
854 |
for (int i = 0; i < len; i++) { |
|
855 |
aCopy[i] = Arrays.copyOf(zoneStrings[i], zoneStrings[i].length); |
|
856 |
} |
|
857 |
return aCopy; |
|
858 |
} |
|
859 |
||
13583 | 860 |
private boolean isSubclassObject() { |
2 | 861 |
return !getClass().getName().equals("java.text.DateFormatSymbols"); |
862 |
} |
|
863 |
||
864 |
/** |
|
865 |
* Clones all the data members from the source DateFormatSymbols to |
|
36951
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
866 |
* the target DateFormatSymbols. |
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
867 |
* |
2 | 868 |
* @param src the source DateFormatSymbols. |
869 |
* @param dst the target DateFormatSymbols. |
|
870 |
*/ |
|
36253 | 871 |
private void copyMembers(DateFormatSymbols src, DateFormatSymbols dst) |
2 | 872 |
{ |
36951
0953f2a2cb14
8151431: DateFormatSymbols triggers this.clone() in the constructor
okutsu
parents:
36253
diff
changeset
|
873 |
dst.locale = src.locale; |
2 | 874 |
dst.eras = Arrays.copyOf(src.eras, src.eras.length); |
875 |
dst.months = Arrays.copyOf(src.months, src.months.length); |
|
876 |
dst.shortMonths = Arrays.copyOf(src.shortMonths, src.shortMonths.length); |
|
877 |
dst.weekdays = Arrays.copyOf(src.weekdays, src.weekdays.length); |
|
878 |
dst.shortWeekdays = Arrays.copyOf(src.shortWeekdays, src.shortWeekdays.length); |
|
879 |
dst.ampms = Arrays.copyOf(src.ampms, src.ampms.length); |
|
880 |
if (src.zoneStrings != null) { |
|
36253 | 881 |
dst.zoneStrings = src.getZoneStringsImpl(true); |
2 | 882 |
} else { |
883 |
dst.zoneStrings = null; |
|
884 |
} |
|
6491
cd1bcc5057f4
4267450: (cal) API: Need public API to calculate, format and parse "year of week"
okutsu
parents:
6489
diff
changeset
|
885 |
dst.localPatternChars = src.localPatternChars; |
14172
fad44417edf8
7200341: DateFormatSymbols.hashCode() throws ArrayIndexOutOfBoundsException in some circumstances
naoto
parents:
13583
diff
changeset
|
886 |
dst.cachedHashCode = 0; |
2 | 887 |
} |
888 |
||
889 |
/** |
|
890 |
* Write out the default serializable data, after ensuring the |
|
58288
48e480e56aad
8231186: Replace html tag <code>foo</code> with javadoc tag {@code foo} in java.base
jboes
parents:
58242
diff
changeset
|
891 |
* {@code zoneStrings} field is initialized in order to make |
2 | 892 |
* sure the backward compatibility. |
893 |
* |
|
894 |
* @since 1.6 |
|
895 |
*/ |
|
57956
e0b8b019d2f5
8229997: Apply java.io.Serial annotations in java.base
darcy
parents:
48660
diff
changeset
|
896 |
@java.io.Serial |
2 | 897 |
private void writeObject(ObjectOutputStream stream) throws IOException { |
898 |
if (zoneStrings == null) { |
|
899 |
zoneStrings = TimeZoneNameUtility.getZoneStrings(locale); |
|
900 |
} |
|
901 |
stream.defaultWriteObject(); |
|
902 |
} |
|
903 |
} |