public void setNumberFormatAsString(String numberFormatAsString) {
		if (StringUtils.hasText(numberFormatAsString)) {
			super.setNumberFormat(new DecimalFormat(numberFormatAsString));
		}
	}
Allows for setting the {@link NumberFormat} using a {@link String}. The passed-in String will be converted to a
{@link DecimalFormat}.

@param numberFormatAsString Will be ignored if null or empty.
spring-xd-dirt/src/main/java/org/springframework/xd/dirt/plugins/job/ExpandedJobParametersConverter.java