docs: public XMLGregorianCalendar getTimeStamp()
     {
         GregorianCalendar cal = new GregorianCalendar();
         DatatypeFactory dt;
         try {
             dt = DatatypeFactory.newInstance();
             return dt.newXMLGregorianCalendar(cal);
         } catch (DatatypeConfigurationException e) {
             e.printStackTrace();
         }
         return null;
     }