Examples with CompactDecimalFormat com.ibm.icu.text.CompactDecimalFormat used on opensource projects

Example 1 with CompactDecimalFormat

use of com.ibm.icu.text.CompactDecimalFormat in project closure-templates by google.

the class I18NDirectivesRuntime method formatNum.

/**
 * Formats a number using ICU4J. Note: If min or max fraction digits is null, the param will be
 * ignored.
 */
public static String formatNum(ULocale uLocale, double number, String formatType, String numbersKeyword, @Nullable Integer minFractionDigits, @Nullable Integer maxFractionDigits) {
    uLocale = uLocale.setKeywordValue("numbers", numbersKeyword);
    NumberFormat numberFormat;
    switch(formatType) {
        case "decimal":
            numberFormat = NumberFormat.getInstance(uLocale);
            break;
        case "percent":
            numberFormat = NumberFormat.getPercentInstance(uLocale);
            break;
        case "currency":
            numberFormat = NumberFormat.getCurrencyInstance(uLocale);
            break;
        case "scientific":
            numberFormat = NumberFormat.getScientificInstance(uLocale);
            break;
        case "compact_short":
            {
                CompactDecimalFormat compactNumberFormat = CompactDecimalFormat.getInstance(uLocale, CompactStyle.SHORT);
                compactNumberFormat.setMaximumSignificantDigits(3);
                numberFormat = compactNumberFormat;
                break;
            }
        case "compact_long":
            {
                CompactDecimalFormat compactNumberFormat = CompactDecimalFormat.getInstance(uLocale, CompactStyle.LONG);
                compactNumberFormat.setMaximumSignificantDigits(3);
                numberFormat = compactNumberFormat;
                break;
            }
        default:
            throw new IllegalArgumentException("First argument to formatNum must be " + "constant, and one of: 'decimal', 'currency', 'percent', 'scientific', " + "'compact_short', or 'compact_long'.");
    }
    if (minFractionDigits != null) {
        numberFormat.setMinimumFractionDigits(minFractionDigits);
    }
    if (maxFractionDigits != null) {
        numberFormat.setMaximumFractionDigits(maxFractionDigits);
    }
    return numberFormat.format(number);
}