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/*
 *******************************************************************************
 * Copyright (C) 1996-2014, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 */
package com.ibm.icu.text;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.text.ChoiceFormat;
import java.util.Arrays;
import java.util.Locale;
import java.util.MissingResourceException;

import com.ibm.icu.impl.CurrencyData;
import com.ibm.icu.impl.CurrencyData.CurrencyDisplayInfo;
import com.ibm.icu.impl.CurrencyData.CurrencyFormatInfo;
import com.ibm.icu.impl.CurrencyData.CurrencySpacingInfo;
import com.ibm.icu.impl.ICUCache;
import com.ibm.icu.impl.ICUResourceBundle;
import com.ibm.icu.impl.SimpleCache;
import com.ibm.icu.util.Currency;
import com.ibm.icu.util.ICUCloneNotSupportedException;
import com.ibm.icu.util.ULocale;
import com.ibm.icu.util.ULocale.Category;
import com.ibm.icu.util.UResourceBundle;

/**
 * {@icuenhanced java.text.DecimalFormatSymbols}.{@icu _usage_}
 *
 * This class represents the set of symbols (such as the decimal separator, the grouping
 * separator, and so on) needed by DecimalFormat to format
 * numbers. DecimalFormat creates for itself an instance of
 * DecimalFormatSymbols from its locale data.  If you need to change any of
 * these symbols, you can get the DecimalFormatSymbols object from your
 * DecimalFormat and modify it.
 *
 * @see          java.util.Locale
 * @see          DecimalFormat
 * @author       Mark Davis
 * @author       Alan Liu
 * @stable ICU 2.0
 */
public class DecimalFormatSymbols implements Cloneable, Serializable {
    /**
     * Creates a DecimalFormatSymbols object for the default FORMAT locale.
     * @see Category#FORMAT
     * @stable ICU 2.0
     */
    public DecimalFormatSymbols() {
        initialize(ULocale.getDefault(Category.FORMAT));
    }

    /**
     * Creates a DecimalFormatSymbols object for the given locale.
     * @param locale the locale
     * @stable ICU 2.0
     */
    public DecimalFormatSymbols(Locale locale) {
        initialize(ULocale.forLocale(locale));
    }

    /**
     * {@icu} Creates a DecimalFormatSymbols object for the given locale.
     * @param locale the locale
     * @stable ICU 3.2
     */
    public DecimalFormatSymbols(ULocale locale) {
        initialize(locale);
    }

    /**
     * Returns a DecimalFormatSymbols instance for the default locale.
     *
     * 

Note: Unlike * java.text.DecimalFormatSymbols#getInstance, this method simply returns * new com.ibm.icu.text.DecimalFormatSymbols(). ICU currently does not * support DecimalFormatSymbolsProvider, which was introduced in Java 6. * * @return A DecimalFormatSymbols instance. * @stable ICU 3.8 */ public static DecimalFormatSymbols getInstance() { return new DecimalFormatSymbols(); } /** * Returns a DecimalFormatSymbols instance for the given locale. * *

Note: Unlike * java.text.DecimalFormatSymbols#getInstance, this method simply returns * new com.ibm.icu.text.DecimalFormatSymbols(locale). ICU currently does * not support DecimalFormatSymbolsProvider, which was introduced in Java * 6. * * @param locale the locale. * @return A DecimalFormatSymbols instance. * @stable ICU 3.8 */ public static DecimalFormatSymbols getInstance(Locale locale) { return new DecimalFormatSymbols(locale); } /** * Returns a DecimalFormatSymbols instance for the given locale. * *

Note: Unlike * java.text.DecimalFormatSymbols#getInstance, this method simply returns * new com.ibm.icu.text.DecimalFormatSymbols(locale). ICU currently does * not support DecimalFormatSymbolsProvider, which was introduced in Java * 6. * * @param locale the locale. * @return A DecimalFormatSymbols instance. * @stable ICU 3.8 */ public static DecimalFormatSymbols getInstance(ULocale locale) { return new DecimalFormatSymbols(locale); } /** * Returns an array of all locales for which the getInstance methods of * this class can return localized instances. * *

Note: Unlike * java.text.DecimalFormatSymbols#getAvailableLocales, this method simply * returns the array of Locales available for this class. ICU currently * does not support DecimalFormatSymbolsProvider, which was introduced in * Java 6. * * @return An array of Locales for which localized * DecimalFormatSymbols instances are available. * @stable ICU 3.8 */ public static Locale[] getAvailableLocales() { return ICUResourceBundle.getAvailableLocales(); } /** * {@icu} Returns an array of all locales for which the getInstance * methods of this class can return localized instances. * *

Note: Unlike * java.text.DecimalFormatSymbols#getAvailableLocales, this method simply * returns the array of ULocales available in this class. ICU currently * does not support DecimalFormatSymbolsProvider, which was introduced in * Java 6. * * @return An array of ULocales for which localized * DecimalFormatSymbols instances are available. * @stable ICU 3.8 (retain) * @provisional This API might change or be removed in a future release. */ public static ULocale[] getAvailableULocales() { return ICUResourceBundle.getAvailableULocales(); } /** * Returns the character used for zero. Different for Arabic, etc. * @return the character * @stable ICU 2.0 */ public char getZeroDigit() { if ( digits != null ) { return digits[0]; } else { return zeroDigit; } } /** * Returns the array of characters used as digits, in order from 0 through 9 * @return The array * @stable ICU 4.6 */ public char[] getDigits() { if ( digits != null ) { return digits.clone(); } else { char [] digitArray = new char[10]; for ( int i = 0 ; i < 10 ; i++ ) { digitArray[i] = (char) (zeroDigit + i); } return digitArray; } } /** * Returns the array of characters used as digits, in order from 0 through 9 * Package private method - don't need to defensively copy. * @return The array */ char[] getDigitsLocal() { if ( digits != null ) { return digits; } else { char [] digitArray = new char[10]; for ( int i = 0 ; i < 10 ; i++ ) { digitArray[i] = (char) (zeroDigit + i); } return digitArray; } } /** * Sets the character used for zero. * @param zeroDigit the zero character. * @stable ICU 2.0 */ public void setZeroDigit(char zeroDigit) { if ( digits != null ) { this.digits[0] = zeroDigit; if (Character.digit(zeroDigit,10) == 0) { for ( int i = 1 ; i < 10 ; i++ ) { this.digits[i] = (char)(zeroDigit+i); } } } else { this.zeroDigit = zeroDigit; } } /** * Returns the character used to represent a significant digit in a pattern. * @return the significant digit pattern character * @stable ICU 3.0 */ public char getSignificantDigit() { return sigDigit; } /** * Sets the character used to represent a significant digit in a pattern. * @param sigDigit the significant digit pattern character * @stable ICU 3.0 */ public void setSignificantDigit(char sigDigit) { this.sigDigit = sigDigit; } /** * Returns the character used for thousands separator. Different for French, etc. * @return the thousands character * @stable ICU 2.0 */ public char getGroupingSeparator() { return groupingSeparator; } /** * Sets the character used for thousands separator. Different for French, etc. * @param groupingSeparator the thousands character * @stable ICU 2.0 */ public void setGroupingSeparator(char groupingSeparator) { this.groupingSeparator = groupingSeparator; } /** * Returns the character used for decimal sign. Different for French, etc. * @return the decimal character * @stable ICU 2.0 */ public char getDecimalSeparator() { return decimalSeparator; } /** * Sets the character used for decimal sign. Different for French, etc. * @param decimalSeparator the decimal character * @stable ICU 2.0 */ public void setDecimalSeparator(char decimalSeparator) { this.decimalSeparator = decimalSeparator; } /** * Returns the character used for mille percent sign. Different for Arabic, etc. * @return the mille percent character * @stable ICU 2.0 */ public char getPerMill() { return perMill; } /** * Sets the character used for mille percent sign. Different for Arabic, etc. * @param perMill the mille percent character * @stable ICU 2.0 */ public void setPerMill(char perMill) { this.perMill = perMill; } /** * Returns the character used for percent sign. Different for Arabic, etc. * @return the percent character * @stable ICU 2.0 */ public char getPercent() { return percent; } /** * Sets the character used for percent sign. Different for Arabic, etc. * @param percent the percent character * @stable ICU 2.0 */ public void setPercent(char percent) { this.percent = percent; } /** * Returns the character used for a digit in a pattern. * @return the digit pattern character * @stable ICU 2.0 */ public char getDigit() { return digit; } /** * Sets the character used for a digit in a pattern. * @param digit the digit pattern character * @stable ICU 2.0 */ public void setDigit(char digit) { this.digit = digit; } /** * Returns the character used to separate positive and negative subpatterns * in a pattern. * @return the pattern separator character * @stable ICU 2.0 */ public char getPatternSeparator() { return patternSeparator; } /** * Sets the character used to separate positive and negative subpatterns * in a pattern. * @param patternSeparator the pattern separator character * @stable ICU 2.0 */ public void setPatternSeparator(char patternSeparator) { this.patternSeparator = patternSeparator; } /** * Returns the String used to represent infinity. Almost always left * unchanged. * @return the Infinity string * @stable ICU 2.0 */ //Bug 4194173 [Richard/GCL] public String getInfinity() { return infinity; } /** * Sets the String used to represent infinity. Almost always left * unchanged. * @param infinity the Infinity String * @stable ICU 2.0 */ public void setInfinity(String infinity) { this.infinity = infinity; } /** * Returns the String used to represent NaN. Almost always left * unchanged. * @return the NaN String * @stable ICU 2.0 */ //Bug 4194173 [Richard/GCL] public String getNaN() { return NaN; } /** * Sets the String used to represent NaN. Almost always left * unchanged. * @param NaN the NaN String * @stable ICU 2.0 */ public void setNaN(String NaN) { this.NaN = NaN; } /** * Returns the character used to represent minus sign. If no explicit * negative format is specified, one is formed by prefixing * minusSign to the positive format. * @return the minus sign character * @stable ICU 2.0 */ public char getMinusSign() { return minusSign; } /** * Returns the string used to represent minus sign. * @return the minus sign string * @internal * @deprecated This API is ICU internal only. */ @Deprecated public String getMinusString() { return minusString; } /** * 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. * @param minusSign the minus sign character * @stable ICU 2.0 */ public void setMinusSign(char minusSign) { this.minusSign = minusSign; // Also updates minusString char[] minusArray = { minusSign }; minusString = new String(minusArray); } /** * Returns the string denoting the local currency. * @return the local currency String. * @stable ICU 2.0 */ public String getCurrencySymbol() { return currencySymbol; } /** * Sets the string denoting the local currency. * @param currency the local currency String. * @stable ICU 2.0 */ public void setCurrencySymbol(String currency) { currencySymbol = currency; } /** * Returns the international string denoting the local currency. * @return the international string denoting the local currency * @stable ICU 2.0 */ public String getInternationalCurrencySymbol() { return intlCurrencySymbol; } /** * Sets the international string denoting the local currency. * @param currency the international string denoting the local currency. * @stable ICU 2.0 */ public void setInternationalCurrencySymbol(String currency) { intlCurrencySymbol = currency; } /** * Returns the currency symbol, for JDK 1.4 compatibility only. * ICU clients should use the Currency API directly. * @return the currency used, or null * @stable ICU 3.4 */ public Currency getCurrency() { return currency; } /** * Sets the currency. * *

Note: ICU does not use the DecimalFormatSymbols for the currency * any more. This API is present for API compatibility only. * *

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 * @throws NullPointerException if currency is null * @see #setCurrencySymbol * @see #setInternationalCurrencySymbol * * @stable ICU 3.4 */ public void setCurrency(Currency currency) { if (currency == null) { throw new NullPointerException(); } this.currency = currency; intlCurrencySymbol = currency.getCurrencyCode(); currencySymbol = currency.getSymbol(requestedLocale); } /** * Returns the monetary decimal separator. * @return the monetary decimal separator character * @stable ICU 2.0 */ public char getMonetaryDecimalSeparator() { return monetarySeparator; } /** * {@icu} Returns the monetary grouping separator. * @return the monetary grouping separator character * @stable ICU 3.6 */ public char getMonetaryGroupingSeparator() { return monetaryGroupingSeparator; } /** * Internal API for NumberFormat * @return String currency pattern string */ String getCurrencyPattern() { return currencyPattern; } /** * Sets the monetary decimal separator. * @param sep the monetary decimal separator character * @stable ICU 2.0 */ public void setMonetaryDecimalSeparator(char sep) { monetarySeparator = sep; } /** * Sets the monetary decimal separator. * @param sep the monetary decimal separator character * @stable ICU 3.6 */ public void setMonetaryGroupingSeparator(char sep) { monetaryGroupingSeparator = sep; } /** * Returns the multiplication sign * @draft ICU 54 * @provisional This API might change or be removed in a future release. */ public String getExponentMultiplicationSign() { return exponentMultiplicationSign; } /** * Sets the multiplication sign * @draft ICU 54 * @provisional This API might change or be removed in a future release. */ public void setExponentMultiplicationSign(String exponentMultiplicationSign) { this.exponentMultiplicationSign = exponentMultiplicationSign; } /** * {@icu} Returns the string used to separate the mantissa from the exponent. * Examples: "x10^" for 1.23x10^4, "E" for 1.23E4. * @return the localized exponent symbol, used in localized patterns * and formatted strings * @see #setExponentSeparator * @stable ICU 2.0 */ public String getExponentSeparator() { return exponentSeparator; } /** * {@icu} Sets the string used to separate the mantissa from the exponent. * Examples: "x10^" for 1.23x10^4, "E" for 1.23E4. * @param exp the localized exponent symbol, used in localized patterns * and formatted strings * @see #getExponentSeparator * @stable ICU 2.0 */ public void setExponentSeparator(String exp) { exponentSeparator = exp; } /** * {@icu} Returns the localized plus sign. * @return the plus sign, used in localized patterns and formatted * strings * @see #setPlusSign * @see #setMinusSign * @see #getMinusSign * @stable ICU 2.0 */ public char getPlusSign() { return plusSign; } /** * Returns the string used to represent plus sign. * @return the plus sign string * @internal * @deprecated This API is ICU internal only. */ @Deprecated public String getPlusString() { return plusString; } /** * {@icu} Sets the localized plus sign. * @param plus the plus sign, used in localized patterns and formatted * strings * @see #getPlusSign * @see #setMinusSign * @see #getMinusSign * @stable ICU 2.0 */ public void setPlusSign(char plus) { plusSign = plus; // Also updates plusString char[] plusArray = { plusSign }; plusString = new String(plusArray); } /** * {@icu} Returns the character used to pad numbers out to a specified width. This is * not the pad character itself; rather, it is the special pattern character * preceding the pad character. In the pattern "*_#,##0", '*' is the pad * escape, and '_' is the pad character. * @return the character * @see #setPadEscape * @see DecimalFormat#getFormatWidth * @see DecimalFormat#getPadPosition * @see DecimalFormat#getPadCharacter * @stable ICU 2.0 */ public char getPadEscape() { return padEscape; } /** * {@icu} Sets the character used to pad numbers out to a specified width. This is not * the pad character itself; rather, it is the special pattern character * preceding the pad character. In the pattern "*_#,##0", '*' is the pad * escape, and '_' is the pad character. * @see #getPadEscape * @see DecimalFormat#setFormatWidth * @see DecimalFormat#setPadPosition * @see DecimalFormat#setPadCharacter * @stable ICU 2.0 */ public void setPadEscape(char c) { padEscape = c; } /** * {@icu} Indicates the currency match pattern used in {@link #getPatternForCurrencySpacing}. * @stable ICU 4.2 */ public static final int CURRENCY_SPC_CURRENCY_MATCH = 0; /** * {@icu} Indicates the surrounding match pattern used in {@link * #getPatternForCurrencySpacing}. * @stable ICU 4.2 */ public static final int CURRENCY_SPC_SURROUNDING_MATCH = 1; /** * {@icu} Indicates the insertion value used in {@link #getPatternForCurrencySpacing}. * @stable ICU 4.4 */ public static final int CURRENCY_SPC_INSERT = 2; private String[] currencySpcBeforeSym; private String[] currencySpcAfterSym; /** * {@icu} Returns the desired currency spacing value. Original values come from ICU's * CLDR data based on the locale provided during construction, and can be null. These * values govern what and when text is inserted between a currency code/name/symbol * and the currency amount when formatting money. * *

For more information, see UTS#35 section 5.10.2. * *

Note: ICU4J does not currently use this information. * * @param itemType one of CURRENCY_SPC_CURRENCY_MATCH, CURRENCY_SPC_SURROUNDING_MATCH * or CURRENCY_SPC_INSERT * @param beforeCurrency true to get the beforeCurrency values, false * to get the afterCurrency values. * @return the value, or null. * @see #setPatternForCurrencySpacing(int, boolean, String) * @stable ICU 4.2 */ public String getPatternForCurrencySpacing(int itemType, boolean beforeCurrency) { if (itemType < CURRENCY_SPC_CURRENCY_MATCH || itemType > CURRENCY_SPC_INSERT ) { throw new IllegalArgumentException("unknown currency spacing: " + itemType); } if (beforeCurrency) { return currencySpcBeforeSym[itemType]; } return currencySpcAfterSym[itemType]; } /** * {@icu} Sets the indicated currency spacing pattern or value. See {@link * #getPatternForCurrencySpacing} for more information. * *

Values for currency match and surrounding match must be {@link * com.ibm.icu.text.UnicodeSet} patterns. Values for insert can be any string. * *

Note: ICU4J does not currently use this information. * * @param itemType one of CURRENCY_SPC_CURRENCY_MATCH, CURRENCY_SPC_SURROUNDING_MATCH * or CURRENCY_SPC_INSERT * @param beforeCurrency true if the pattern is for before the currency symbol. * false if the pattern is for after it. * @param pattern string to override current setting; can be null. * @see #getPatternForCurrencySpacing(int, boolean) * @stable ICU 4.2 */ public void setPatternForCurrencySpacing(int itemType, boolean beforeCurrency, String pattern) { if (itemType < CURRENCY_SPC_CURRENCY_MATCH || itemType > CURRENCY_SPC_INSERT ) { throw new IllegalArgumentException("unknown currency spacing: " + itemType); } if (beforeCurrency) { currencySpcBeforeSym[itemType] = pattern; } else { currencySpcAfterSym[itemType] = pattern; } } /** * Returns the locale for which this object was constructed. * @return the locale for which this object was constructed * @stable ICU 2.0 */ public Locale getLocale() { return requestedLocale; } /** * Returns the locale for which this object was constructed. * @return the locale for which this object was constructed * @stable ICU 3.2 */ public ULocale getULocale() { return ulocale; } /** * {@inheritDoc} * @stable ICU 2.0 */ public Object clone() { try { return (DecimalFormatSymbols) super.clone(); // other fields are bit-copied } catch (CloneNotSupportedException e) { ///CLOVER:OFF throw new ICUCloneNotSupportedException(e); ///CLOVER:ON } } /** * {@inheritDoc} * @stable ICU 2.0 */ public boolean equals(Object obj) { if (!(obj instanceof DecimalFormatSymbols)) { return false; } if (this == obj) { return true; } DecimalFormatSymbols other = (DecimalFormatSymbols) obj; for (int i = 0; i <= CURRENCY_SPC_INSERT; i++) { if (!currencySpcBeforeSym[i].equals(other.currencySpcBeforeSym[i])) { return false; } if (!currencySpcAfterSym[i].equals(other.currencySpcAfterSym[i])) { return false; } } if ( other.digits == null ) { for (int i = 0 ; i < 10 ; i++) { if (digits[i] != other.zeroDigit + i) { return false; } } } else if (!Arrays.equals(digits,other.digits)) { return false; } return ( groupingSeparator == other.groupingSeparator && decimalSeparator == other.decimalSeparator && percent == other.percent && perMill == other.perMill && digit == other.digit && minusSign == other.minusSign && minusString.equals(other.minusString) && patternSeparator == other.patternSeparator && infinity.equals(other.infinity) && NaN.equals(other.NaN) && currencySymbol.equals(other.currencySymbol) && intlCurrencySymbol.equals(other.intlCurrencySymbol) && padEscape == other.padEscape && plusSign == other.plusSign && plusString.equals(other.plusString) && exponentSeparator.equals(other.exponentSeparator) && monetarySeparator == other.monetarySeparator && monetaryGroupingSeparator == other.monetaryGroupingSeparator && exponentMultiplicationSign.equals(other.exponentMultiplicationSign)); } /** * {@inheritDoc} * @stable ICU 2.0 */ public int hashCode() { int result = digits[0]; result = result * 37 + groupingSeparator; result = result * 37 + decimalSeparator; return result; } /** * Check for bidi marks: LRM, RLM, ALM */ private static boolean isBidiMark(char c) { return (c=='\u200E' || c=='\u200F' || c=='\u061C'); } /** * Initializes the symbols from the LocaleElements resource bundle. * Note: The organization of LocaleElements badly needs to be * cleaned up. */ private void initialize( ULocale locale ) { this.requestedLocale = locale.toLocale(); this.ulocale = locale; String nsName; // Attempt to set the zero digit based on the numbering system for the locale requested NumberingSystem ns = NumberingSystem.getInstance(locale); digits = new char[10]; if ( ns != null && ns.getRadix() == 10 && !ns.isAlgorithmic() && NumberingSystem.isValidDigitString(ns.getDescription())) { String digitString = ns.getDescription(); digits[0] = digitString.charAt(0); digits[1] = digitString.charAt(1); digits[2] = digitString.charAt(2); digits[3] = digitString.charAt(3); digits[4] = digitString.charAt(4); digits[5] = digitString.charAt(5); digits[6] = digitString.charAt(6); digits[7] = digitString.charAt(7); digits[8] = digitString.charAt(8); digits[9] = digitString.charAt(9); nsName = ns.getName(); } else { digits[0] = DecimalFormat.PATTERN_ZERO_DIGIT; digits[1] = DecimalFormat.PATTERN_ONE_DIGIT; digits[2] = DecimalFormat.PATTERN_TWO_DIGIT; digits[3] = DecimalFormat.PATTERN_THREE_DIGIT; digits[4] = DecimalFormat.PATTERN_FOUR_DIGIT; digits[5] = DecimalFormat.PATTERN_FIVE_DIGIT; digits[6] = DecimalFormat.PATTERN_SIX_DIGIT; digits[7] = DecimalFormat.PATTERN_SEVEN_DIGIT; digits[8] = DecimalFormat.PATTERN_EIGHT_DIGIT; digits[9] = DecimalFormat.PATTERN_NINE_DIGIT; nsName = "latn"; // Default numbering system } /* try the cache first */ String[][] data = cachedLocaleData.get(locale); String[] numberElements; if (data == null) { /* cache miss */ data = new String[1][]; ICUResourceBundle rb = (ICUResourceBundle)UResourceBundle. getBundleInstance(ICUResourceBundle.ICU_BASE_NAME, locale); boolean isLatn = nsName.equals("latn"); String baseKey = "NumberElements/" + nsName + "/symbols/"; String latnKey = "NumberElements/latn/symbols/"; String[] symbolKeys = { "decimal", "group", "list", "percentSign", "minusSign", "plusSign", "exponential", "perMille", "infinity", "nan", "currencyDecimal", "currencyGroup", "superscriptingExponent" }; String[] fallbackElements = { ".", ",", ";", "%", "-", "+", "E", "\u2030", "\u221e", "NaN", null, null }; String[] symbolsArray = new String[symbolKeys.length]; for ( int i = 0 ; i < symbolKeys.length; i++ ) { try { symbolsArray[i] = rb.getStringWithFallback(baseKey+symbolKeys[i]); } catch (MissingResourceException ex) { if (!isLatn) { // Fall back to latn numbering system for symbols if desired symbol isn't found. try { symbolsArray[i] = rb.getStringWithFallback(latnKey+symbolKeys[i]); } catch (MissingResourceException ex1) { symbolsArray[i] = fallbackElements[i]; } } else { symbolsArray[i] = fallbackElements[i]; } } } data[0] = symbolsArray; /* update cache */ cachedLocaleData.put(locale, data); } numberElements = data[0]; ICUResourceBundle r = (ICUResourceBundle)UResourceBundle. getBundleInstance(ICUResourceBundle.ICU_BASE_NAME, locale); // TODO: Determine actual and valid locale correctly. ULocale uloc = r.getULocale(); setLocale(uloc, uloc); decimalSeparator = numberElements[0].charAt(0); groupingSeparator = numberElements[1].charAt(0); patternSeparator = numberElements[2].charAt(0); percent = numberElements[3].charAt(0); minusString = numberElements[4]; minusSign = (minusString.length() > 1 && isBidiMark(minusString.charAt(0)))? minusString.charAt(1): minusString.charAt(0); plusString = numberElements[5]; plusSign = (plusString.length() > 1 && isBidiMark(plusString.charAt(0)))? plusString.charAt(1): plusString.charAt(0); exponentSeparator = numberElements[6]; perMill = numberElements[7].charAt(0); infinity = numberElements[8]; NaN = numberElements[9]; if ( numberElements[10] != null) { monetarySeparator = numberElements[10].charAt(0); } else { monetarySeparator = decimalSeparator; } if ( numberElements[11] != null) { monetaryGroupingSeparator = numberElements[11].charAt(0); } else { monetaryGroupingSeparator = groupingSeparator; } if ( numberElements[12] != null) { exponentMultiplicationSign = numberElements[12]; } else { exponentMultiplicationSign = "\u00D7"; } digit = DecimalFormat.PATTERN_DIGIT; // Localized pattern character no longer in CLDR padEscape = DecimalFormat.PATTERN_PAD_ESCAPE; sigDigit = DecimalFormat.PATTERN_SIGNIFICANT_DIGIT; CurrencyDisplayInfo info = CurrencyData.provider.getInstance(locale, true); // Obtain currency data from the currency API. This is strictly // for backward compatibility; we don't use DecimalFormatSymbols // for currency data anymore. String currname = null; currency = Currency.getInstance(locale); if (currency != null) { intlCurrencySymbol = currency.getCurrencyCode(); boolean[] isChoiceFormat = new boolean[1]; currname = currency.getName(locale, Currency.SYMBOL_NAME, isChoiceFormat); // If this is a ChoiceFormat currency, then format an // arbitrary value; pick something != 1; more common. currencySymbol = isChoiceFormat[0] ? new ChoiceFormat(currname).format(2.0) : currname; CurrencyFormatInfo fmtInfo = info.getFormatInfo(intlCurrencySymbol); if (fmtInfo != null) { currencyPattern = fmtInfo.currencyPattern; monetarySeparator = fmtInfo.monetarySeparator; monetaryGroupingSeparator = fmtInfo.monetaryGroupingSeparator; } } else { intlCurrencySymbol = "XXX"; currencySymbol = "\u00A4"; // 'OX' currency symbol } // Get currency spacing data. currencySpcBeforeSym = new String[3]; currencySpcAfterSym = new String[3]; initSpacingInfo(info.getSpacingInfo()); } private void initSpacingInfo(CurrencySpacingInfo spcInfo) { currencySpcBeforeSym[CURRENCY_SPC_CURRENCY_MATCH] = spcInfo.beforeCurrencyMatch; currencySpcBeforeSym[CURRENCY_SPC_SURROUNDING_MATCH] = spcInfo.beforeContextMatch; currencySpcBeforeSym[CURRENCY_SPC_INSERT] = spcInfo.beforeInsert; currencySpcAfterSym[CURRENCY_SPC_CURRENCY_MATCH] = spcInfo.afterCurrencyMatch; currencySpcAfterSym[CURRENCY_SPC_SURROUNDING_MATCH] = spcInfo.afterContextMatch; currencySpcAfterSym[CURRENCY_SPC_INSERT] = spcInfo.afterInsert; } /** * Reads the default serializable fields, then if serialVersionOnStream * is less than 1, initialize monetarySeparator to be * the same as decimalSeparator and exponential * to be 'E'. * Finally, sets serialVersionOnStream back to the maximum allowed value so that * default serialization will work properly if this object is streamed out again. */ private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException { // TODO: it looks to me {dlf} that the serialization code was never updated // to handle the actual/valid ulocale fields. stream.defaultReadObject(); ///CLOVER:OFF // we don't have data for these old serialized forms any more if (serialVersionOnStream < 1) { // Didn't have monetarySeparator or exponential field; // use defaults. monetarySeparator = decimalSeparator; exponential = 'E'; } if (serialVersionOnStream < 2) { padEscape = DecimalFormat.PATTERN_PAD_ESCAPE; plusSign = DecimalFormat.PATTERN_PLUS_SIGN; exponentSeparator = String.valueOf(exponential); // Although we read the exponential field on stream to create the // exponentSeparator, we don't do the reverse, since scientific // notation isn't supported by the old classes, even though the // symbol is there. } ///CLOVER:ON if (serialVersionOnStream < 3) { // Resurrected objects from old streams will have no // locale. There is no 100% fix for this. A // 90% fix is to construct a mapping of data back to // locale, perhaps a hash of all our members. This is // expensive and doesn't seem worth it. requestedLocale = Locale.getDefault(); } if (serialVersionOnStream < 4) { // use same default behavior as for versions with no Locale ulocale = ULocale.forLocale(requestedLocale); } if (serialVersionOnStream < 5) { // use the same one for groupingSeparator monetaryGroupingSeparator = groupingSeparator; } if (serialVersionOnStream < 6) { // Set null to CurrencySpacing related fields. if (currencySpcBeforeSym == null) { currencySpcBeforeSym = new String[CURRENCY_SPC_INSERT+1]; } if (currencySpcAfterSym == null) { currencySpcAfterSym = new String[CURRENCY_SPC_INSERT+1]; } initSpacingInfo(CurrencyData.CurrencySpacingInfo.DEFAULT); } if (serialVersionOnStream < 7) { // Set minusString,plusString from minusSign,plusSign if (minusString == null) { char[] minusArray = { minusSign }; minusString = new String(minusArray); } if (plusString == null) { char[] plusArray = { plusSign }; plusString = new String(plusArray); } } if (serialVersionOnStream < 8) { if (exponentMultiplicationSign == null) { exponentMultiplicationSign = "\u00D7"; } } serialVersionOnStream = currentSerialVersion; // recreate currency = Currency.getInstance(intlCurrencySymbol); } /** * Character used for zero. This remains only for backward compatibility * purposes. The digits array below is now used to actively store the digits. * * @serial * @see #getZeroDigit */ private char zeroDigit; /** * Array of characters used for the digits 0-9 in order. * */ private char digits[]; /** * 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 mille percent 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 for a significant digit in a pattern. * * @serial * @see #getSignificantDigit */ private char sigDigit; /** * Character used to separate positive and negative subpatterns * in a pattern. * * @serial * @see #getPatternSeparator */ private char patternSeparator; /** * Character used to represent infinity. * @serial * @see #getInfinity */ private String infinity; /** * Character used to represent NaN. * @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; /** * International string denoting the local currency, e.g. "USD". * @serial * @see #getInternationalCurrencySymbol */ private String intlCurrencySymbol; /** * The decimal separator used when formatting currency values. * @serial * @see #getMonetaryDecimalSeparator */ private char monetarySeparator; // Field new in JDK 1.1.6 /** * The decimal separator used when formatting currency values. * @serial * @see #getMonetaryGroupingSeparator */ private char monetaryGroupingSeparator; // 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". *

* Note that this field has been superseded by exponentSeparator. * It is retained for backward compatibility. * * @serial */ 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. *

* Note that this supersedes the exponential field. * * @serial * @since AlphaWorks */ private String exponentSeparator; /** * The character used to indicate a padding character in a format, * e.g., '*' in a pattern such as "$*_#,##0.00". * @serial * @since AlphaWorks */ private char padEscape; /** * The character used to indicate a plus sign. * @serial * @since AlphaWorks */ private char plusSign; /** * The locale for which this object was constructed. Set to the * default locale for objects resurrected from old streams. * @since ICU 2.2 */ private Locale requestedLocale; /** * The requested ULocale. We keep the old locale for serialization compatibility. * @since ICU 3.2 */ private ULocale ulocale; /** * String versions of some number symbols. * @serial * @since ICU 52 */ private String minusString = null; private String plusString = null; /** * Exponent multiplication sign. e.g "x" * @serial * @since ICU 54 */ private String exponentMultiplicationSign = null; // Proclaim JDK 1.1 FCS compatibility private 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 AlphaWorks, which includes 3 new fields: // padEscape, exponentSeparator, and plusSign. // - 3 for ICU 2.2, which includes the locale field // - 4 for ICU 3.2, which includes the ULocale field // - 5 for ICU 3.6, which includes the monetaryGroupingSeparator field // - 6 for ICU 4.2, which includes the currencySpc* fields // - 7 for ICU 52, which includes the minusString and plusString fields // - 8 for ICU 54, which includes exponentMultiplicationSign field. private static final int currentSerialVersion = 8; /** * Describes the version of DecimalFormatSymbols present on the stream. * Possible values are: *

    *
  • 0 (or uninitialized): versions prior to JDK 1.1.6. * *
  • 1: Versions written by JDK 1.1.6 or later, which includes * two new fields: monetarySeparator and exponential. *
  • 2: Version for AlphaWorks. Adds padEscape, exponentSeparator, * and plusSign. *
  • 3: Version for ICU 2.2, which adds locale. *
  • 4: Version for ICU 3.2, which adds ulocale. *
  • 5: Version for ICU 3.6, which adds monetaryGroupingSeparator. *
  • 6: Version for ICU 4.2, which adds currencySpcBeforeSym and * currencySpcAfterSym. *
  • 7: Version for ICU 52, which adds minusString and plusString. *
* When streaming out a DecimalFormatSymbols, the most recent format * (corresponding to the highest allowable serialVersionOnStream) * is always written. * * @serial */ private int serialVersionOnStream = currentSerialVersion; /** * cache to hold the NumberElements of a Locale. */ private static final ICUCache cachedLocaleData = new SimpleCache(); /** * */ private String currencyPattern = null; // -------- BEGIN ULocale boilerplate -------- /** * {@icu} Returns the locale that was used to create this object, or null. * This may may differ from the locale requested at the time of * this object's creation. For example, if an object is created * for locale en_US_CALIFORNIA, the actual data may be * drawn from en (the actual locale), and * en_US may be the most specific locale that exists (the * valid locale). * *

Note: The actual locale is returned correctly, but the valid * locale is not, in most cases. * @param type type of information requested, either {@link * com.ibm.icu.util.ULocale#VALID_LOCALE} or {@link * com.ibm.icu.util.ULocale#ACTUAL_LOCALE}. * @return the information specified by type, or null if * this object was not constructed from locale data. * @see com.ibm.icu.util.ULocale * @see com.ibm.icu.util.ULocale#VALID_LOCALE * @see com.ibm.icu.util.ULocale#ACTUAL_LOCALE * @draft ICU 2.8 (retain) * @provisional This API might change or be removed in a future release. */ public final ULocale getLocale(ULocale.Type type) { return type == ULocale.ACTUAL_LOCALE ? this.actualLocale : this.validLocale; } /** * {@icu} Sets information about the locales that were used to create this * object. If the object was not constructed from locale data, * both arguments should be set to null. Otherwise, neither * should be null. The actual locale must be at the same level or * less specific than the valid locale. This method is intended * for use by factories or other entities that create objects of * this class. * @param valid the most specific locale containing any resource * data, or null * @param actual the locale containing data used to construct this * object, or null * @see com.ibm.icu.util.ULocale * @see com.ibm.icu.util.ULocale#VALID_LOCALE * @see com.ibm.icu.util.ULocale#ACTUAL_LOCALE */ final void setLocale(ULocale valid, ULocale actual) { // Change the following to an assertion later if ((valid == null) != (actual == null)) { ///CLOVER:OFF throw new IllegalArgumentException(); ///CLOVER:ON } // Another check we could do is that the actual locale is at // the same level or less specific than the valid locale. this.validLocale = valid; this.actualLocale = actual; } /** * The most specific locale containing any resource data, or null. * @see com.ibm.icu.util.ULocale */ private ULocale validLocale; /** * The locale containing data used to construct this object, or * null. * @see com.ibm.icu.util.ULocale */ private ULocale actualLocale; // not serialized, reconstructed from intlCurrencyCode private transient Currency currency; // -------- END ULocale boilerplate -------- }





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