code: public String getHintImpl(String hint, String parameter, String separator) {
  		if (hint == null) {
  			return null;
  		}
  		if (hint.indexOf(parameter) == -1) {
  			return null;
  		}
  		String[] split = hint.split("[" + separator + "]");
  		split = trim(split);
  		for (int i = 0; i < split.length; i++) {
  			int indexOfEq = split[i].indexOf("=");
  			if (indexOfEq == -1) {
  				if (split[i].equals(parameter)) {
  					return "";
  				}
  			} else {
  				if (split[i].substring(0, indexOfEq).trim().equals(parameter)) {
  					return split[i].substring(indexOfEq + 1).trim();
  				}
  			}
  		}
  
  		// not found
  		return null;
  	}
docs: TODO: very quick solution