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879 lines
28 KiB
879 lines
28 KiB
/*
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* Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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/*
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* (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved
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* (C) Copyright IBM Corp. 1996 - 1998 - 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.ObjectInputStream;
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import java.io.Serializable;
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import java.text.spi.DecimalFormatSymbolsProvider;
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import java.util.ArrayList;
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import java.util.Currency;
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import java.util.List;
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import java.util.Locale;
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import java.util.MissingResourceException;
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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.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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/**
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* This class represents the set of symbols (such as the decimal separator,
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* the grouping separator, and so on) needed by <code>DecimalFormat</code>
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* to format numbers. <code>DecimalFormat</code> creates for itself an instance of
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* <code>DecimalFormatSymbols</code> from its locale data. If you need to change any
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* of these symbols, you can get the <code>DecimalFormatSymbols</code> object from
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* your <code>DecimalFormat</code> and modify it.
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*
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* @see java.util.Locale
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* @see DecimalFormat
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* @author Mark Davis
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* @author Alan Liu
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*/
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public class DecimalFormatSymbols implements Cloneable, Serializable {
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/**
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* Create a DecimalFormatSymbols object for the default
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* {@link java.util.Locale.Category#FORMAT FORMAT} locale.
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* This constructor can only construct instances for the locales
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* supported by the Java runtime environment, not for those
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* supported by installed
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* {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
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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 #DecimalFormatSymbols(Locale)
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* DecimalFormatSymbols(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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*/
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public DecimalFormatSymbols() {
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initialize( Locale.getDefault(Locale.Category.FORMAT) );
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}
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/**
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* Create a DecimalFormatSymbols object for the given locale.
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* This constructor can only construct instances for the locales
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* supported by the Java runtime environment, not for those
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* supported by installed
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* {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
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* implementations. For full locale coverage, use the
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* {@link #getInstance(Locale) getInstance} method.
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* If the specified locale contains the {@link java.util.Locale#UNICODE_LOCALE_EXTENSION}
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* for the numbering system, the instance is initialized with the specified numbering
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* system if the JRE implementation supports it. For example,
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* <pre>
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* NumberFormat.getNumberInstance(Locale.forLanguageTag("th-TH-u-nu-thai"))
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* </pre>
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* This may return a {@code NumberFormat} instance with the Thai numbering system,
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* instead of the Latin numbering system.
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*
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* @param locale the desired locale
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* @exception NullPointerException if <code>locale</code> is null
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*/
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public DecimalFormatSymbols( Locale locale ) {
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initialize( locale );
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}
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/**
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* Returns an array of all locales for which the
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* <code>getInstance</code> methods of this class can return
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* localized instances.
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* The returned array represents the union of locales supported by the Java
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* runtime and by installed
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* {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider}
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* implementations. It must contain at least a <code>Locale</code>
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* instance equal to {@link java.util.Locale#US Locale.US}.
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*
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* @return an array of locales for which localized
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* <code>DecimalFormatSymbols</code> instances are available.
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* @since 1.6
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*/
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public static Locale[] getAvailableLocales() {
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LocaleServiceProviderPool pool =
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LocaleServiceProviderPool.getPool(DecimalFormatSymbolsProvider.class);
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return pool.getAvailableLocales();
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}
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/**
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* Gets the <code>DecimalFormatSymbols</code> instance for the default
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* locale. This method provides access to <code>DecimalFormatSymbols</code>
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* instances for locales supported by the Java runtime itself as well
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* as for those supported by installed
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* {@link java.text.spi.DecimalFormatSymbolsProvider
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* DecimalFormatSymbolsProvider} implementations.
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* <p>This is equivalent to calling
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* {@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>DecimalFormatSymbols</code> instance.
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* @since 1.6
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*/
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public static final DecimalFormatSymbols getInstance() {
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return getInstance(Locale.getDefault(Locale.Category.FORMAT));
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}
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/**
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* Gets the <code>DecimalFormatSymbols</code> instance for the specified
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* locale. This method provides access to <code>DecimalFormatSymbols</code>
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* instances for locales supported by the Java runtime itself as well
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* as for those supported by installed
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* {@link java.text.spi.DecimalFormatSymbolsProvider
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* DecimalFormatSymbolsProvider} implementations.
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* If the specified locale contains the {@link java.util.Locale#UNICODE_LOCALE_EXTENSION}
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* for the numbering system, the instance is initialized with the specified numbering
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* system if the JRE implementation supports it. For example,
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* <pre>
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* NumberFormat.getNumberInstance(Locale.forLanguageTag("th-TH-u-nu-thai"))
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* </pre>
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* This may return a {@code NumberFormat} instance with the Thai numbering system,
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* instead of the Latin numbering system.
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*
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* @param locale the desired locale.
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* @return a <code>DecimalFormatSymbols</code> instance.
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* @exception NullPointerException if <code>locale</code> is null
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* @since 1.6
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*/
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public static final DecimalFormatSymbols getInstance(Locale locale) {
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LocaleProviderAdapter adapter;
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adapter = LocaleProviderAdapter.getAdapter(DecimalFormatSymbolsProvider.class, locale);
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DecimalFormatSymbolsProvider provider = adapter.getDecimalFormatSymbolsProvider();
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DecimalFormatSymbols dfsyms = provider.getInstance(locale);
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if (dfsyms == null) {
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provider = LocaleProviderAdapter.forJRE().getDecimalFormatSymbolsProvider();
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dfsyms = provider.getInstance(locale);
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}
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return dfsyms;
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}
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/**
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* Gets the character used for zero. Different for Arabic, etc.
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*
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* @return the character used for zero
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*/
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public char getZeroDigit() {
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return zeroDigit;
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}
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/**
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* Sets the character used for zero. Different for Arabic, etc.
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*
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* @param zeroDigit the character used for zero
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*/
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public void setZeroDigit(char zeroDigit) {
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this.zeroDigit = zeroDigit;
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}
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/**
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* Gets the character used for thousands separator. Different for French, etc.
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*
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* @return the grouping separator
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*/
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public char getGroupingSeparator() {
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return groupingSeparator;
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}
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/**
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* Sets the character used for thousands separator. Different for French, etc.
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*
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* @param groupingSeparator the grouping separator
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*/
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public void setGroupingSeparator(char groupingSeparator) {
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this.groupingSeparator = groupingSeparator;
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}
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/**
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* Gets the character used for decimal sign. Different for French, etc.
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*
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* @return the character used for decimal sign
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*/
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public char getDecimalSeparator() {
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return decimalSeparator;
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}
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/**
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* Sets the character used for decimal sign. Different for French, etc.
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*
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* @param decimalSeparator the character used for decimal sign
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*/
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public void setDecimalSeparator(char decimalSeparator) {
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this.decimalSeparator = decimalSeparator;
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}
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/**
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* Gets the character used for per mille sign. Different for Arabic, etc.
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*
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* @return the character used for per mille sign
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*/
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public char getPerMill() {
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return perMill;
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}
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/**
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* Sets the character used for per mille sign. Different for Arabic, etc.
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*
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* @param perMill the character used for per mille sign
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*/
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public void setPerMill(char perMill) {
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this.perMill = perMill;
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}
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/**
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* Gets the character used for percent sign. Different for Arabic, etc.
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*
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* @return the character used for percent sign
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*/
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public char getPercent() {
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return percent;
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}
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/**
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* Sets the character used for percent sign. Different for Arabic, etc.
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*
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* @param percent the character used for percent sign
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*/
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public void setPercent(char percent) {
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this.percent = percent;
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}
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/**
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* Gets the character used for a digit in a pattern.
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*
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* @return the character used for a digit in a pattern
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*/
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public char getDigit() {
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return digit;
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}
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/**
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* Sets the character used for a digit in a pattern.
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*
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* @param digit the character used for a digit in a pattern
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*/
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public void setDigit(char digit) {
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this.digit = digit;
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}
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/**
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* Gets the character used to separate positive and negative subpatterns
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* in a pattern.
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*
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* @return the pattern separator
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*/
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public char getPatternSeparator() {
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return patternSeparator;
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}
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/**
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* Sets the character used to separate positive and negative subpatterns
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* in a pattern.
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*
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* @param patternSeparator the pattern separator
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*/
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public void setPatternSeparator(char patternSeparator) {
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this.patternSeparator = patternSeparator;
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}
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/**
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* Gets the string used to represent infinity. Almost always left
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* unchanged.
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*
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* @return the string representing infinity
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*/
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public String getInfinity() {
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return infinity;
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}
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/**
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* Sets the string used to represent infinity. Almost always left
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* unchanged.
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*
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* @param infinity the string representing infinity
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*/
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public void setInfinity(String infinity) {
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this.infinity = infinity;
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}
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/**
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* Gets the string used to represent "not a number". Almost always left
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* unchanged.
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*
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* @return the string representing "not a number"
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*/
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public String getNaN() {
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return NaN;
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}
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/**
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* Sets the string used to represent "not a number". Almost always left
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* unchanged.
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*
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* @param NaN the string representing "not a number"
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*/
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public void setNaN(String NaN) {
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this.NaN = NaN;
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}
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/**
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* Gets the character used to represent minus sign. If no explicit
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* negative format is specified, one is formed by prefixing
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* minusSign to the positive format.
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*
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* @return the character representing minus sign
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*/
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public char getMinusSign() {
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return minusSign;
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}
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/**
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* Sets the character used to represent minus sign. If no explicit
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* negative format is specified, one is formed by prefixing
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* minusSign to the positive format.
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*
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* @param minusSign the character representing minus sign
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*/
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public void setMinusSign(char minusSign) {
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this.minusSign = minusSign;
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}
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/**
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* Returns the currency symbol for the currency of these
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* DecimalFormatSymbols in their locale.
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*
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* @return the currency symbol
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* @since 1.2
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*/
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public String getCurrencySymbol()
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{
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return currencySymbol;
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}
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/**
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* Sets the currency symbol for the currency of these
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* DecimalFormatSymbols in their locale.
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*
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* @param currency the currency symbol
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* @since 1.2
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*/
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public void setCurrencySymbol(String currency)
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{
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currencySymbol = currency;
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}
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/**
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* Returns the ISO 4217 currency code of the currency of these
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* DecimalFormatSymbols.
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*
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* @return the currency code
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* @since 1.2
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*/
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public String getInternationalCurrencySymbol()
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{
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return intlCurrencySymbol;
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}
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/**
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* Sets the ISO 4217 currency code of the currency of these
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* DecimalFormatSymbols.
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* If the currency code is valid (as defined by
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* {@link java.util.Currency#getInstance(java.lang.String) Currency.getInstance}),
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* this also sets the currency attribute to the corresponding Currency
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* instance and the currency symbol attribute to the currency's symbol
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* in the DecimalFormatSymbols' locale. If the currency code is not valid,
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* then the currency attribute is set to null and the currency symbol
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* attribute is not modified.
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*
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* @param currencyCode the currency code
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* @see #setCurrency
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* @see #setCurrencySymbol
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* @since 1.2
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*/
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public void setInternationalCurrencySymbol(String currencyCode)
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{
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intlCurrencySymbol = currencyCode;
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currency = null;
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if (currencyCode != null) {
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try {
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currency = Currency.getInstance(currencyCode);
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currencySymbol = currency.getSymbol();
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} catch (IllegalArgumentException e) {
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}
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}
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}
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/**
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* Gets the currency of these DecimalFormatSymbols. May be null if the
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* currency symbol attribute was previously set to a value that's not
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* a valid ISO 4217 currency code.
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*
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* @return the currency used, or null
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* @since 1.4
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*/
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public Currency getCurrency() {
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return currency;
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}
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/**
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* Sets the currency of these DecimalFormatSymbols.
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* This also sets the currency symbol attribute to the currency's symbol
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* in the DecimalFormatSymbols' locale, and the international currency
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* symbol attribute to the currency's ISO 4217 currency code.
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*
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* @param currency the new currency to be used
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* @exception NullPointerException if <code>currency</code> is null
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* @since 1.4
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* @see #setCurrencySymbol
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* @see #setInternationalCurrencySymbol
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*/
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public void setCurrency(Currency currency) {
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if (currency == null) {
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throw new NullPointerException();
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}
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this.currency = currency;
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intlCurrencySymbol = currency.getCurrencyCode();
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currencySymbol = currency.getSymbol(locale);
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}
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/**
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* Returns the monetary decimal separator.
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*
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* @return the monetary decimal separator
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* @since 1.2
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*/
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public char getMonetaryDecimalSeparator()
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{
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return monetarySeparator;
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}
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/**
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* Sets the monetary decimal separator.
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*
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* @param sep the monetary decimal separator
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* @since 1.2
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*/
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public void setMonetaryDecimalSeparator(char sep)
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{
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monetarySeparator = sep;
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}
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//------------------------------------------------------------
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// BEGIN Package Private methods ... to be made public later
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//------------------------------------------------------------
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/**
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* Returns the character used to separate the mantissa from the exponent.
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*/
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char getExponentialSymbol()
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{
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return exponential;
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}
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/**
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* Returns the string used to separate the mantissa from the exponent.
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* Examples: "x10^" for 1.23x10^4, "E" for 1.23E4.
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*
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* @return the exponent separator string
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* @see #setExponentSeparator(java.lang.String)
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* @since 1.6
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*/
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public String getExponentSeparator()
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{
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return exponentialSeparator;
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}
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/**
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* Sets the character used to separate the mantissa from the exponent.
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*/
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void setExponentialSymbol(char exp)
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{
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exponential = exp;
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}
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/**
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* Sets the string used to separate the mantissa from the exponent.
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* Examples: "x10^" for 1.23x10^4, "E" for 1.23E4.
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*
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* @param exp the exponent separator string
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* @exception NullPointerException if <code>exp</code> is null
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* @see #getExponentSeparator()
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* @since 1.6
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*/
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public void setExponentSeparator(String exp)
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{
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if (exp == null) {
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throw new NullPointerException();
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}
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exponentialSeparator = exp;
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}
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//------------------------------------------------------------
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// END Package Private methods ... to be made public later
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//------------------------------------------------------------
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/**
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* Standard override.
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*/
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@Override
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public Object clone() {
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try {
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return (DecimalFormatSymbols)super.clone();
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// other fields are bit-copied
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} catch (CloneNotSupportedException e) {
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throw new InternalError(e);
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}
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}
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|
|
/**
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* Override equals.
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|
*/
|
|
@Override
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|
public boolean equals(Object obj) {
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if (obj == null) return false;
|
|
if (this == obj) return true;
|
|
if (getClass() != obj.getClass()) return false;
|
|
DecimalFormatSymbols other = (DecimalFormatSymbols) obj;
|
|
return (zeroDigit == other.zeroDigit &&
|
|
groupingSeparator == other.groupingSeparator &&
|
|
decimalSeparator == other.decimalSeparator &&
|
|
percent == other.percent &&
|
|
perMill == other.perMill &&
|
|
digit == other.digit &&
|
|
minusSign == other.minusSign &&
|
|
patternSeparator == other.patternSeparator &&
|
|
infinity.equals(other.infinity) &&
|
|
NaN.equals(other.NaN) &&
|
|
currencySymbol.equals(other.currencySymbol) &&
|
|
intlCurrencySymbol.equals(other.intlCurrencySymbol) &&
|
|
currency == other.currency &&
|
|
monetarySeparator == other.monetarySeparator &&
|
|
exponentialSeparator.equals(other.exponentialSeparator) &&
|
|
locale.equals(other.locale));
|
|
}
|
|
|
|
/**
|
|
* Override hashCode.
|
|
*/
|
|
@Override
|
|
public int hashCode() {
|
|
int result = zeroDigit;
|
|
result = result * 37 + groupingSeparator;
|
|
result = result * 37 + decimalSeparator;
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* Initializes the symbols from the FormatData resource bundle.
|
|
*/
|
|
private void initialize( Locale locale ) {
|
|
this.locale = locale;
|
|
|
|
// get resource bundle data
|
|
LocaleProviderAdapter adapter = LocaleProviderAdapter.getAdapter(DecimalFormatSymbolsProvider.class, locale);
|
|
// Avoid potential recursions
|
|
if (!(adapter instanceof ResourceBundleBasedAdapter)) {
|
|
adapter = LocaleProviderAdapter.getResourceBundleBased();
|
|
}
|
|
Object[] data = adapter.getLocaleResources(locale).getDecimalFormatSymbolsData();
|
|
String[] numberElements = (String[]) data[0];
|
|
|
|
decimalSeparator = numberElements[0].charAt(0);
|
|
groupingSeparator = numberElements[1].charAt(0);
|
|
patternSeparator = numberElements[2].charAt(0);
|
|
percent = numberElements[3].charAt(0);
|
|
zeroDigit = numberElements[4].charAt(0); //different for Arabic,etc.
|
|
digit = numberElements[5].charAt(0);
|
|
minusSign = numberElements[6].charAt(0);
|
|
exponential = numberElements[7].charAt(0);
|
|
exponentialSeparator = numberElements[7]; //string representation new since 1.6
|
|
perMill = numberElements[8].charAt(0);
|
|
infinity = numberElements[9];
|
|
NaN = numberElements[10];
|
|
|
|
// Try to obtain the currency used in the locale's country.
|
|
// Check for empty country string separately because it's a valid
|
|
// country ID for Locale (and used for the C locale), but not a valid
|
|
// ISO 3166 country code, and exceptions are expensive.
|
|
if (locale.getCountry().length() > 0) {
|
|
try {
|
|
currency = Currency.getInstance(locale);
|
|
} catch (IllegalArgumentException e) {
|
|
// use default values below for compatibility
|
|
}
|
|
}
|
|
if (currency != null) {
|
|
intlCurrencySymbol = currency.getCurrencyCode();
|
|
if (data[1] != null && data[1] == intlCurrencySymbol) {
|
|
currencySymbol = (String) data[2];
|
|
} else {
|
|
currencySymbol = currency.getSymbol(locale);
|
|
data[1] = intlCurrencySymbol;
|
|
data[2] = currencySymbol;
|
|
}
|
|
} else {
|
|
// default values
|
|
intlCurrencySymbol = "XXX";
|
|
try {
|
|
currency = Currency.getInstance(intlCurrencySymbol);
|
|
} catch (IllegalArgumentException e) {
|
|
}
|
|
currencySymbol = "\u00A4";
|
|
}
|
|
// Currently the monetary decimal separator is the same as the
|
|
// standard decimal separator for all locales that we support.
|
|
// If that changes, add a new entry to NumberElements.
|
|
monetarySeparator = decimalSeparator;
|
|
}
|
|
|
|
/**
|
|
* Reads the default serializable fields, provides default values for objects
|
|
* in older serial versions, and initializes non-serializable fields.
|
|
* If <code>serialVersionOnStream</code>
|
|
* is less than 1, initializes <code>monetarySeparator</code> to be
|
|
* the same as <code>decimalSeparator</code> and <code>exponential</code>
|
|
* to be 'E'.
|
|
* If <code>serialVersionOnStream</code> is less than 2,
|
|
* initializes <code>locale</code>to the root locale, and initializes
|
|
* If <code>serialVersionOnStream</code> is less than 3, it initializes
|
|
* <code>exponentialSeparator</code> using <code>exponential</code>.
|
|
* Sets <code>serialVersionOnStream</code> back to the maximum allowed value so that
|
|
* default serialization will work properly if this object is streamed out again.
|
|
* Initializes the currency from the intlCurrencySymbol field.
|
|
*
|
|
* @since JDK 1.1.6
|
|
*/
|
|
private void readObject(ObjectInputStream stream)
|
|
throws IOException, ClassNotFoundException {
|
|
stream.defaultReadObject();
|
|
if (serialVersionOnStream < 1) {
|
|
// Didn't have monetarySeparator or exponential field;
|
|
// use defaults.
|
|
monetarySeparator = decimalSeparator;
|
|
exponential = 'E';
|
|
}
|
|
if (serialVersionOnStream < 2) {
|
|
// didn't have locale; use root locale
|
|
locale = Locale.ROOT;
|
|
}
|
|
if (serialVersionOnStream < 3) {
|
|
// didn't have exponentialSeparator. Create one using exponential
|
|
exponentialSeparator = Character.toString(exponential);
|
|
}
|
|
serialVersionOnStream = currentSerialVersion;
|
|
|
|
if (intlCurrencySymbol != null) {
|
|
try {
|
|
currency = Currency.getInstance(intlCurrencySymbol);
|
|
} catch (IllegalArgumentException e) {
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Character used for zero.
|
|
*
|
|
* @serial
|
|
* @see #getZeroDigit
|
|
*/
|
|
private char zeroDigit;
|
|
|
|
/**
|
|
* Character used for thousands separator.
|
|
*
|
|
* @serial
|
|
* @see #getGroupingSeparator
|
|
*/
|
|
private char groupingSeparator;
|
|
|
|
/**
|
|
* Character used for decimal sign.
|
|
*
|
|
* @serial
|
|
* @see #getDecimalSeparator
|
|
*/
|
|
private char decimalSeparator;
|
|
|
|
/**
|
|
* Character used for per mille sign.
|
|
*
|
|
* @serial
|
|
* @see #getPerMill
|
|
*/
|
|
private char perMill;
|
|
|
|
/**
|
|
* Character used for percent sign.
|
|
* @serial
|
|
* @see #getPercent
|
|
*/
|
|
private char percent;
|
|
|
|
/**
|
|
* Character used for a digit in a pattern.
|
|
*
|
|
* @serial
|
|
* @see #getDigit
|
|
*/
|
|
private char digit;
|
|
|
|
/**
|
|
* Character used to separate positive and negative subpatterns
|
|
* in a pattern.
|
|
*
|
|
* @serial
|
|
* @see #getPatternSeparator
|
|
*/
|
|
private char patternSeparator;
|
|
|
|
/**
|
|
* String used to represent infinity.
|
|
* @serial
|
|
* @see #getInfinity
|
|
*/
|
|
private String infinity;
|
|
|
|
/**
|
|
* String used to represent "not a number".
|
|
* @serial
|
|
* @see #getNaN
|
|
*/
|
|
private String NaN;
|
|
|
|
/**
|
|
* Character used to represent minus sign.
|
|
* @serial
|
|
* @see #getMinusSign
|
|
*/
|
|
private char minusSign;
|
|
|
|
/**
|
|
* String denoting the local currency, e.g. "$".
|
|
* @serial
|
|
* @see #getCurrencySymbol
|
|
*/
|
|
private String currencySymbol;
|
|
|
|
/**
|
|
* ISO 4217 currency code denoting the local currency, e.g. "USD".
|
|
* @serial
|
|
* @see #getInternationalCurrencySymbol
|
|
*/
|
|
private String intlCurrencySymbol;
|
|
|
|
/**
|
|
* The decimal separator used when formatting currency values.
|
|
* @serial
|
|
* @since JDK 1.1.6
|
|
* @see #getMonetaryDecimalSeparator
|
|
*/
|
|
private char monetarySeparator; // Field new in JDK 1.1.6
|
|
|
|
/**
|
|
* The character used to distinguish the exponent in a number formatted
|
|
* in exponential notation, e.g. 'E' for a number such as "1.23E45".
|
|
* <p>
|
|
* Note that the public API provides no way to set this field,
|
|
* even though it is supported by the implementation and the stream format.
|
|
* The intent is that this will be added to the API in the future.
|
|
*
|
|
* @serial
|
|
* @since JDK 1.1.6
|
|
*/
|
|
private char exponential; // Field new in JDK 1.1.6
|
|
|
|
/**
|
|
* The string used to separate the mantissa from the exponent.
|
|
* Examples: "x10^" for 1.23x10^4, "E" for 1.23E4.
|
|
* <p>
|
|
* If both <code>exponential</code> and <code>exponentialSeparator</code>
|
|
* exist, this <code>exponentialSeparator</code> has the precedence.
|
|
*
|
|
* @serial
|
|
* @since 1.6
|
|
*/
|
|
private String exponentialSeparator; // Field new in JDK 1.6
|
|
|
|
/**
|
|
* The locale of these currency format symbols.
|
|
*
|
|
* @serial
|
|
* @since 1.4
|
|
*/
|
|
private Locale locale;
|
|
|
|
// currency; only the ISO code is serialized.
|
|
private transient Currency currency;
|
|
|
|
// Proclaim JDK 1.1 FCS compatibility
|
|
static final long serialVersionUID = 5772796243397350300L;
|
|
|
|
// The internal serial version which says which version was written
|
|
// - 0 (default) for version up to JDK 1.1.5
|
|
// - 1 for version from JDK 1.1.6, which includes two new fields:
|
|
// monetarySeparator and exponential.
|
|
// - 2 for version from J2SE 1.4, which includes locale field.
|
|
// - 3 for version from J2SE 1.6, which includes exponentialSeparator field.
|
|
private static final int currentSerialVersion = 3;
|
|
|
|
/**
|
|
* Describes the version of <code>DecimalFormatSymbols</code> present on the stream.
|
|
* Possible values are:
|
|
* <ul>
|
|
* <li><b>0</b> (or uninitialized): versions prior to JDK 1.1.6.
|
|
*
|
|
* <li><b>1</b>: Versions written by JDK 1.1.6 or later, which include
|
|
* two new fields: <code>monetarySeparator</code> and <code>exponential</code>.
|
|
* <li><b>2</b>: Versions written by J2SE 1.4 or later, which include a
|
|
* new <code>locale</code> field.
|
|
* <li><b>3</b>: Versions written by J2SE 1.6 or later, which include a
|
|
* new <code>exponentialSeparator</code> field.
|
|
* </ul>
|
|
* When streaming out a <code>DecimalFormatSymbols</code>, the most recent format
|
|
* (corresponding to the highest allowable <code>serialVersionOnStream</code>)
|
|
* is always written.
|
|
*
|
|
* @serial
|
|
* @since JDK 1.1.6
|
|
*/
|
|
private int serialVersionOnStream = currentSerialVersion;
|
|
}
|