code: public void setDfltTableStylesStr(String classes) {
          dfltTableStyles.clear();
          if (classes == null || classes.isEmpty()) return;
          List<String> lst = StrUtils.split(classes, " ");
          for (int k = 0; k < lst.size(); k++) {
              String s = lst.get(k).trim();
              DataTableStyleClass cls;
              try {
                  cls = DataTableStyleClass.valueOf(s);
                  dfltTableStyles.add(cls);
              } catch (Exception ex) {
                  continue;
              }
          }
      }
docs: Expected DataTableStyleClass enum values as space separated string.