protected String formatNumber(Object value, String defaultFormat) {
		if (value == null) return "";

		final DecimalFormat df = (DecimalFormat)
			NumberFormat.getInstance(getDefaultLocale());
		if (_rounding != BigDecimal.ROUND_HALF_EVEN)
			df.setRoundingMode(RoundingMode.valueOf(_rounding));

		String fmt = getFormat();
		if (fmt == null) fmt = defaultFormat;
		if (fmt != null) df.applyPattern(fmt);  //should replace if (fmt != null) df.applyLocalizedPattern();
		return df.format(value);
	}

<decimalbox value="1111.112" locale="pt" format="#.##0,0##" />