code: public static Double stringToScale(String value) {
  		NumberFormat numberFormat = NumberFormat.getFormat("###,###");
  		String[] scale2 = value.split(":");
  		if (scale2.length == 1) {
  			return 1.0 / numberFormat.parse(scale2[0].trim());
  		} else {
  			return numberFormat.parse(scale2[0].trim()) / numberFormat.parse(scale2[1].trim());
  		}
  	}
docs: Parse scale from string representation.
  
  @param value to parse
  @return scale value