impl dv xs xml datatype DatatypeConstants xml datatype XMLGregorianCalendar impl dv InvalidDatatypeValueException impl dv ValidationContext yearmonthdv abstractdatetimedv getactualvalue content validationcontext context invaliddatatypevalueexception parse content ex invaliddatatypevalueexception content datetimedata parse str schemadatetimeexception datetimedata date datetimedata str len str.length getyearmonth str len date date.day day parsetimezone str len date validatedatetime date saveunnormalized date date.utc date.utc normalize date date.position date datetostring datetimedata date stringbuffer message stringbuffer append message date.year message.append append message date.month append message date.utc message.tostring xmlgregoriancalendar getxmlgregoriancalendar datetimedata date datatypefactory.newxmlgregoriancalendar date.unnormyear date.unnormmonth datatypeconstants.field_undefined datatypeconstants.field_undefined datatypeconstants.field_undefined datatypeconstants.field_undefined datatypeconstants.field_undefined date.hastimezone date.timezonehr date.timezonemin datatypeconstants.field_undefined