code: protected static String getStatusClass(RLOGLevel level) {
          String rowClass = "";
          switch (level) {
              case WARN:
                  rowClass = "warning";
                  break;
              case ERROR:
                  rowClass = "danger";
                  break;
              case INFO:
                  rowClass = "info";
                  break;
              default:
                  break;
          }
          return rowClass;
      }
docs: return a css class