throw new NumberFormatException("Parameter " + key + " is missing or malformed (should be a Date value (yyyy/mm/dd))");
throw new NumberFormatException("Parameter " + key + " = " + dateS + " is missing or malformed (should be a Date value (yyyy/mm/dd))");
	public Date getDateProperty(String key) {		String dateS = getProperty(key);		if (dateS == null) return null;		try {			return dateFormat.parse(dateS);		} catch (ParseException e) {			throw new NumberFormatException("Parameter " + key + " is missing or malformed (should be a Date value (yyyy/mm/dd))");		}	}