protected long parseDate() throws IOException {
  if (_utcCalendar == null)   _utcCalendar=Calendar.getInstance(TimeZone.getTimeZone("UTC"));
  return parseDate(_utcCalendar);
}

protected long parseDate ( ) throws IOException { if ( _utcCalendar == null ) _utcCalendar = Calendar . getInstance ( TimeZone . getTimeZone ( "UTC" ) ) ; return parseDate ( _utcCalendar ) ; }
parses a date value from the stream .
