code: @Override
      public void visit(final Date date) {
          dateString = date.getDate();
          yearString = date.getYear();
          sortDateString = date.getSortDate();
          final GetTimeVisitor timeVisitor = new GetTimeVisitor();
          for (final GedObject gob : date.getAttributes()) {
              gob.accept(timeVisitor);
              if (!timeVisitor.getTimeString().isEmpty()) {
                  dateString += " " + timeVisitor.getTimeString();
                  break;
              }
          }
      }
docs: Visit a Date. Record the interesting information from that date.
  
  @see GedObjectVisitor#visit(Date)