java.text.DecimalFormatSymbols#getMonetaryDecimalSeparator ( )源码实例Demo

/**
 * Configure this instance with values from a {@link Locale}.
 */
public MonetaryFormat withLocale(Locale locale) {
    DecimalFormatSymbols dfs = new DecimalFormatSymbols(locale);
    char negativeSign = dfs.getMinusSign();
    char zeroDigit = dfs.getZeroDigit();
    char decimalMark = dfs.getMonetaryDecimalSeparator();
    return new MonetaryFormat(negativeSign, positiveSign, zeroDigit, decimalMark, minDecimals, decimalGroups,
            shift, roundingMode, codes, codeSeparator, codePrefixed);
}
 

/**
 * Configure this instance with values from a {@link Locale}.
 */
public MonetaryFormat withLocale(Locale locale) {
    DecimalFormatSymbols dfs = new DecimalFormatSymbols(locale);
    char negativeSign = dfs.getMinusSign();
    char zeroDigit = dfs.getZeroDigit();
    char decimalMark = dfs.getMonetaryDecimalSeparator();
    return new MonetaryFormat(negativeSign, positiveSign, zeroDigit, decimalMark, minDecimals, decimalGroups,
            shift, roundingMode, codes, codeSeparator, codePrefixed);
}
 

/***
 * If user does not provide a valid locale it throws IllegalArgumentException.
 *
 * If throws an IllegalArgumentException the locale sets to default locale
 */
private void initSettings() {
    boolean success = false;
    while (!success) {
        try {
            if (fractionDigit == 0) {
                fractionDigit = Currency.getInstance(locale).getDefaultFractionDigits();
            }

            DecimalFormatSymbols symbols = DecimalFormatSymbols.getInstance(locale);
            if (mGroupDivider > 0)
                symbols.setGroupingSeparator(mGroupDivider);
            groupDivider = symbols.getGroupingSeparator();

            if (mMonetaryDivider > 0)
                symbols.setMonetaryDecimalSeparator(mMonetaryDivider);
            monetaryDivider = symbols.getMonetaryDecimalSeparator();

            currencySymbol = symbols.getCurrencySymbol();

            DecimalFormat df = (DecimalFormat) DecimalFormat.getCurrencyInstance(locale);
            numberFormat = new DecimalFormat(df.toPattern(), symbols);

            if (mDecimalPoints > 0) {
                numberFormat.setMinimumFractionDigits(mDecimalPoints);
            }

            success = true;
        } catch (IllegalArgumentException e) {
            Log.e(getClass().getCanonicalName(), e.getMessage());
            locale = getDefaultLocale();
        }
    }
}
 

/**
 * Configure this instance with values from a {@link Locale}.
 */
public MonetaryFormat withLocale(Locale locale) {
    DecimalFormatSymbols dfs = new DecimalFormatSymbols(locale);
    char negativeSign = dfs.getMinusSign();
    char zeroDigit = dfs.getZeroDigit();
    char decimalMark = dfs.getMonetaryDecimalSeparator();
    return new MonetaryFormat(negativeSign, positiveSign, zeroDigit, decimalMark, minDecimals, decimalGroups,
            shift, roundingMode, codes, codeSeparator, codePrefixed);
}
 

private String getNumberPattern(String token, DecimalFormat format) {
    // Parse the token for
    int first = -1;
    int last = -1;
    DecimalFormatSymbols syms = format.getDecimalFormatSymbols();
    char[] chars = token.toCharArray();
    int nonMatching = 0;
    for(int i=0; i<chars.length;i++){
        if(chars[i] ==syms.getMonetaryDecimalSeparator() ||
                chars[i] ==syms.getMonetaryDecimalSeparator() ||
                chars[i] ==syms.getDecimalSeparator() ||
                chars[i] ==syms.getGroupingSeparator() ||
                chars[i] ==syms.getMinusSign() ||
                chars[i] ==syms.getPercent() ||
                chars[i] ==syms.getPerMill() ||
                chars[i] ==syms.getZeroDigit() ||
                chars[i] ==syms.getDigit()){
            if(first<0)first = i;
            last = i;
            nonMatching = 0;
        }else{
            nonMatching++;
        }
        if(last!=-1 && first<last && nonMatching>2){
            break;
        }
    }
    if(last!=-1 && first<last){
        return token.substring(first, last+1);
    }
    return null;
}