public int sortTruckGroupTotals(TruckGroupTotalsModel model1, TruckGroupTotalsModel model2) {
    Integer model1Number = null;
    Integer model2Number = null;
    try {
      model1Number = Integer.parseInt(model1.getName());
    } catch (NumberFormatException exception) {

    }

    try {
      model2Number = Integer.parseInt(model2.getName());
    } catch (NumberFormatException exception) {

    }

    if (model1Number == null) {
      return 1;
    } else if (model2Number == null) {
      return -1;
    } else {
      return model1Number.compareTo(model2Number);
    }
  }