Return a String date with format dd-MM-yyyy from a XMLGregorianCalendar

XmlGregorianCalendar2String.java

	/**
	 * Return a String date with format dd-MM-yyyy from a XMLGregorianCalendar
	 * 
	 * @param cal
	 * @return
	 */
	public String XmlGregorianCalendar2String(XMLGregorianCalendar cal){
		
		String str = "";
		SimpleDateFormat format = new SimpleDateFormat("dd-MM-yyyy");
		str = format.format(cal.toGregorianCalendar().getTime());
		return str;
	}