| /* |
| * Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved |
| * (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved |
| * |
| * The original version of this source code and documentation is copyrighted |
| * and owned by Taligent, Inc., a wholly-owned subsidiary of IBM. These |
| * materials are provided under terms of a License Agreement between Taligent |
| * and Sun. This technology is protected by multiple US and International |
| * patents. This notice and attribution to Taligent may not be removed. |
| * Taligent is a registered trademark of Taligent, Inc. |
| * |
| */ |
| |
| package java.text; |
| |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.Serializable; |
| import java.text.spi.DecimalFormatSymbolsProvider; |
| import java.util.Currency; |
| import java.util.Locale; |
| import java.util.ResourceBundle; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import sun.util.LocaleServiceProviderPool; |
| import sun.util.resources.LocaleData; |
| |
| /** |
| * This class represents the set of symbols (such as the decimal separator, |
| * the grouping separator, and so on) needed by <code>DecimalFormat</code> |
| * to format numbers. <code>DecimalFormat</code> creates for itself an instance of |
| * <code>DecimalFormatSymbols</code> from its locale data. If you need to change any |
| * of these symbols, you can get the <code>DecimalFormatSymbols</code> object from |
| * your <code>DecimalFormat</code> and modify it. |
| * |
| * @see java.util.Locale |
| * @see DecimalFormat |
| * @author Mark Davis |
| * @author Alan Liu |
| */ |
| |
| public class DecimalFormatSymbols implements Cloneable, Serializable { |
| |
| /** |
| * Create a DecimalFormatSymbols object for the default locale. |
| * This constructor can only construct instances for the locales |
| * supported by the Java runtime environment, not for those |
| * supported by installed |
| * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider} |
| * implementations. For full locale coverage, use the |
| * {@link #getInstance(Locale) getInstance} method. |
| */ |
| public DecimalFormatSymbols() { |
| initialize( Locale.getDefault(Locale.Category.FORMAT) ); |
| } |
| |
| /** |
| * Create a DecimalFormatSymbols object for the given locale. |
| * This constructor can only construct instances for the locales |
| * supported by the Java runtime environment, not for those |
| * supported by installed |
| * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider} |
| * implementations. For full locale coverage, use the |
| * {@link #getInstance(Locale) getInstance} method. |
| * |
| * @exception NullPointerException if <code>locale</code> is null |
| */ |
| public DecimalFormatSymbols( Locale locale ) { |
| initialize( locale ); |
| } |
| |
| /** |
| * Returns an array of all locales for which the |
| * <code>getInstance</code> methods of this class can return |
| * localized instances. |
| * The returned array represents the union of locales supported by the Java |
| * runtime and by installed |
| * {@link java.text.spi.DecimalFormatSymbolsProvider DecimalFormatSymbolsProvider} |
| * implementations. It must contain at least a <code>Locale</code> |
| * instance equal to {@link java.util.Locale#US Locale.US}. |
| * |
| * @return An array of locales for which localized |
| * <code>DecimalFormatSymbols</code> instances are available. |
| * @since 1.6 |
| */ |
| public static Locale[] getAvailableLocales() { |
| LocaleServiceProviderPool pool = |
| LocaleServiceProviderPool.getPool(DecimalFormatSymbolsProvider.class); |
| return pool.getAvailableLocales(); |
| } |
| |
| /** |
| * Gets the <code>DecimalFormatSymbols</code> instance for the default |
| * locale. This method provides access to <code>DecimalFormatSymbols</code> |
| * instances for locales supported by the Java runtime itself as well |
| * as for those supported by installed |
| * {@link java.text.spi.DecimalFormatSymbolsProvider |
| * DecimalFormatSymbolsProvider} implementations. |
| * @return a <code>DecimalFormatSymbols</code> instance. |
| * @since 1.6 |
| */ |
| public static final DecimalFormatSymbols getInstance() { |
| return getInstance(Locale.getDefault(Locale.Category.FORMAT)); |
| } |
| |
| /** |
| * Gets the <code>DecimalFormatSymbols</code> instance for the specified |
| * locale. This method provides access to <code>DecimalFormatSymbols</code> |
| * instances for locales supported by the Java runtime itself as well |
| * as for those supported by installed |
| * {@link java.text.spi.DecimalFormatSymbolsProvider |
| * DecimalFormatSymbolsProvider} implementations. |
| * @param locale the desired locale. |
| * @return a <code>DecimalFormatSymbols</code> instance. |
| * @exception NullPointerException if <code>locale</code> is null |
| * @since 1.6 |
| */ |
| public static final DecimalFormatSymbols getInstance(Locale locale) { |
| |
| // Check whether a provider can provide an implementation that's closer |
| // to the requested locale than what the Java runtime itself can provide. |
| LocaleServiceProviderPool pool = |
| LocaleServiceProviderPool.getPool(DecimalFormatSymbolsProvider.class); |
| if (pool.hasProviders()) { |
| DecimalFormatSymbols providersInstance = pool.getLocalizedObject( |
| DecimalFormatSymbolsGetter.INSTANCE, locale); |
| if (providersInstance != null) { |
| return providersInstance; |
| } |
| } |
| |
| return new DecimalFormatSymbols(locale); |
| } |
| |
| /** |
| * Gets the character used for zero. Different for Arabic, etc. |
| */ |
| public char getZeroDigit() { |
| return zeroDigit; |
| } |
| |
| /** |
| * Sets the character used for zero. Different for Arabic, etc. |
| */ |
| public void setZeroDigit(char zeroDigit) { |
| this.zeroDigit = zeroDigit; |
| } |
| |
| /** |
| * Gets the character used for thousands separator. Different for French, etc. |
| */ |
| public char getGroupingSeparator() { |
| return groupingSeparator; |
| } |
| |
| /** |
| * Sets the character used for thousands separator. Different for French, etc. |
| */ |
| public void setGroupingSeparator(char groupingSeparator) { |
| this.groupingSeparator = groupingSeparator; |
| } |
| |
| /** |
| * Gets the character used for decimal sign. Different for French, etc. |
| */ |
| public char getDecimalSeparator() { |
| return decimalSeparator; |
| } |
| |
| /** |
| * Sets the character used for decimal sign. Different for French, etc. |
| */ |
| public void setDecimalSeparator(char decimalSeparator) { |
| this.decimalSeparator = decimalSeparator; |
| } |
| |
| /** |
| * Gets the character used for per mille sign. Different for Arabic, etc. |
| */ |
| public char getPerMill() { |
| return perMill; |
| } |
| |
| /** |
| * Sets the character used for per mille sign. Different for Arabic, etc. |
| */ |
| public void setPerMill(char perMill) { |
| this.perMill = perMill; |
| } |
| |
| /** |
| * Gets the character used for percent sign. Different for Arabic, etc. |
| */ |
| public char getPercent() { |
| return percent; |
| } |
| |
| /** |
| * Sets the character used for percent sign. Different for Arabic, etc. |
| */ |
| public void setPercent(char percent) { |
| this.percent = percent; |
| } |
| |
| /** |
| * Gets the character used for a digit in a pattern. |
| */ |
| public char getDigit() { |
| return digit; |
| } |
| |
| /** |
| * Sets the character used for a digit in a pattern. |
| */ |
| public void setDigit(char digit) { |
| this.digit = digit; |
| } |
| |
| /** |
| * Gets the character used to separate positive and negative subpatterns |
| * in a pattern. |
| */ |
| public char getPatternSeparator() { |
| return patternSeparator; |
| } |
| |
| /** |
| * Sets the character used to separate positive and negative subpatterns |
| * in a pattern. |
| */ |
| public void setPatternSeparator(char patternSeparator) { |
| this.patternSeparator = patternSeparator; |
| } |
| |
| /** |
| * Gets the string used to represent infinity. Almost always left |
| * unchanged. |
| */ |
| public String getInfinity() { |
| return infinity; |
| } |
| |
| /** |
| * Sets the string used to represent infinity. Almost always left |
| * unchanged. |
| */ |
| public void setInfinity(String infinity) { |
| this.infinity = infinity; |
| } |
| |
| /** |
| * Gets the string used to represent "not a number". Almost always left |
| * unchanged. |
| */ |
| public String getNaN() { |
| return NaN; |
| } |
| |
| /** |
| * Sets the string used to represent "not a number". Almost always left |
| * unchanged. |
| */ |
| public void setNaN(String NaN) { |
| this.NaN = NaN; |
| } |
| |
| /** |
| * Gets the character used to represent minus sign. If no explicit |
| * negative format is specified, one is formed by prefixing |
| * minusSign to the positive format. |
| */ |
| public char getMinusSign() { |
| return minusSign; |
| } |
| |
| /** |
| * Sets the character used to represent minus sign. If no explicit |
| * negative format is specified, one is formed by prefixing |
| * minusSign to the positive format. |
| */ |
| public void setMinusSign(char minusSign) { |
| this.minusSign = minusSign; |
| } |
| |
| /** |
| * Returns the currency symbol for the currency of these |
| * DecimalFormatSymbols in their locale. |
| * @since 1.2 |
| */ |
| public String getCurrencySymbol() |
| { |
| return currencySymbol; |
| } |
| |
| /** |
| * Sets the currency symbol for the currency of these |
| * DecimalFormatSymbols in their locale. |
| * @since 1.2 |
| */ |
| public void setCurrencySymbol(String currency) |
| { |
| currencySymbol = currency; |
| } |
| |
| /** |
| * Returns the ISO 4217 currency code of the currency of these |
| * DecimalFormatSymbols. |
| * @since 1.2 |
| */ |
| public String getInternationalCurrencySymbol() |
| { |
| return intlCurrencySymbol; |
| } |
| |
| /** |
| * Sets the ISO 4217 currency code of the currency of these |
| * DecimalFormatSymbols. |
| * If the currency code is valid (as defined by |
| * {@link java.util.Currency#getInstance(java.lang.String) Currency.getInstance}), |
| * this also sets the currency attribute to the corresponding Currency |
| * instance and the currency symbol attribute to the currency's symbol |
| * in the DecimalFormatSymbols' locale. If the currency code is not valid, |
| * then the currency attribute is set to null and the currency symbol |
| * attribute is not modified. |
| * |
| * @see #setCurrency |
| * @see #setCurrencySymbol |
| * @since 1.2 |
| */ |
| public void setInternationalCurrencySymbol(String currencyCode) |
| { |
| intlCurrencySymbol = currencyCode; |
| currency = null; |
| if (currencyCode != null) { |
| try { |
| currency = Currency.getInstance(currencyCode); |
| currencySymbol = currency.getSymbol(); |
| } catch (IllegalArgumentException e) { |
| } |
| } |
| } |
| |
| /** |
| * Gets the currency of these DecimalFormatSymbols. May be null if the |
| * currency symbol attribute was previously set to a value that's not |
| * a valid ISO 4217 currency code. |
| * |
| * @return the currency used, or null |
| * @since 1.4 |
| */ |
| public Currency getCurrency() { |
| return currency; |
| } |
| |
| /** |
| * Sets the currency of these DecimalFormatSymbols. |
| * This also sets the currency symbol attribute to the currency's symbol |
| * in the DecimalFormatSymbols' locale, and the international currency |
| * symbol attribute to the currency's ISO 4217 currency code. |
| * |
| * @param currency the new currency to be used |
| * @exception NullPointerException if <code>currency</code> is null |
| * @since 1.4 |
| * @see #setCurrencySymbol |
| * @see #setInternationalCurrencySymbol |
| */ |
| public void setCurrency(Currency currency) { |
| if (currency == null) { |
| throw new NullPointerException(); |
| } |
| this.currency = currency; |
| intlCurrencySymbol = currency.getCurrencyCode(); |
| currencySymbol = currency.getSymbol(locale); |
| } |
| |
| |
| /** |
| * Returns the monetary decimal separator. |
| * @since 1.2 |
| */ |
| public char getMonetaryDecimalSeparator() |
| { |
| return monetarySeparator; |
| } |
| |
| /** |
| * Sets the monetary decimal separator. |
| * @since 1.2 |
| */ |
| public void setMonetaryDecimalSeparator(char sep) |
| { |
| monetarySeparator = sep; |
| } |
| |
| //------------------------------------------------------------ |
| // BEGIN Package Private methods ... to be made public later |
| //------------------------------------------------------------ |
| |
| /** |
| * Returns the character used to separate the mantissa from the exponent. |
| */ |
| char getExponentialSymbol() |
| { |
| return exponential; |
| } |
| /** |
| * Returns the string used to separate the mantissa from the exponent. |
| * Examples: "x10^" for 1.23x10^4, "E" for 1.23E4. |
| * |
| * @return the exponent separator string |
| * @see #setExponentSeparator(java.lang.String) |
| * @since 1.6 |
| */ |
| public String getExponentSeparator() |
| { |
| return exponentialSeparator; |
| } |
| |
| /** |
| * Sets the character used to separate the mantissa from the exponent. |
| */ |
| void setExponentialSymbol(char exp) |
| { |
| exponential = exp; |
| } |
| |
| /** |
| * Sets the string used to separate the mantissa from the exponent. |
| * Examples: "x10^" for 1.23x10^4, "E" for 1.23E4. |
| * |
| * @param exp the exponent separator string |
| * @exception NullPointerException if <code>exp</code> is null |
| * @see #getExponentSeparator() |
| * @since 1.6 |
| */ |
| public void setExponentSeparator(String exp) |
| { |
| if (exp == null) { |
| throw new NullPointerException(); |
| } |
| exponentialSeparator = exp; |
| } |
| |
| |
| //------------------------------------------------------------ |
| // END Package Private methods ... to be made public later |
| //------------------------------------------------------------ |
| |
| /** |
| * Standard override. |
| */ |
| public Object clone() { |
| try { |
| return (DecimalFormatSymbols)super.clone(); |
| // other fields are bit-copied |
| } catch (CloneNotSupportedException e) { |
| throw new InternalError(); |
| } |
| } |
| |
| /** |
| * Override equals. |
| */ |
| public boolean equals(Object obj) { |
| 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. |
| */ |
| 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 - try the cache first |
| boolean needCacheUpdate = false; |
| Object[] data = cachedLocaleData.get(locale); |
| if (data == null) { /* cache miss */ |
| // When numbering system is thai (Locale's extension contains u-nu-thai), |
| // we read the data from th_TH_TH. |
| Locale lookupLocale = locale; |
| String numberType = locale.getUnicodeLocaleType("nu"); |
| if (numberType != null && numberType.equals("thai")) { |
| lookupLocale = new Locale("th", "TH", "TH"); |
| } |
| data = new Object[3]; |
| ResourceBundle rb = LocaleData.getNumberFormatData(lookupLocale); |
| data[0] = rb.getStringArray("NumberElements"); |
| needCacheUpdate = true; |
| } |
| |
| 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 (!"".equals(locale.getCountry())) { |
| 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; |
| needCacheUpdate = true; |
| } |
| } 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; |
| |
| if (needCacheUpdate) { |
| cachedLocaleData.putIfAbsent(locale, data); |
| } |
| } |
| |
| /** |
| * 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; |
| |
| /** |
| * cache to hold the NumberElements and the Currency |
| * of a Locale. |
| */ |
| private static final ConcurrentHashMap<Locale, Object[]> cachedLocaleData = new ConcurrentHashMap<Locale, Object[]>(3); |
| |
| /** |
| * Obtains a DecimalFormatSymbols instance from a DecimalFormatSymbolsProvider |
| * implementation. |
| */ |
| private static class DecimalFormatSymbolsGetter |
| implements LocaleServiceProviderPool.LocalizedObjectGetter<DecimalFormatSymbolsProvider, |
| DecimalFormatSymbols> { |
| private static final DecimalFormatSymbolsGetter INSTANCE = |
| new DecimalFormatSymbolsGetter(); |
| |
| public DecimalFormatSymbols getObject( |
| DecimalFormatSymbolsProvider decimalFormatSymbolsProvider, |
| Locale locale, |
| String key, |
| Object... params) { |
| assert params.length == 0; |
| return decimalFormatSymbolsProvider.getInstance(locale); |
| } |
| } |
| } |
