@Override
 public List<TrackGps> viewTrack(String vehicleId, String startTime, String endTime) {
   if (vehicleId == null || vehicleId.trim().equals("") || startTime == null || endTime == null) {
     return null;
   }
   try {
     SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
     sdf.parse(startTime.trim());
     sdf.parse(endTime.trim());
   } catch (ParseException e) {
     throw new ParamValidationServiceException(
         "The param [startTime,endTime] is error.  [startDate,endDate] need to matche 'yyyy-MM-dd HH:mm:ss' .");
   }
   List<GpsHistory> gpsList =
       dao.getGpsListByHcVehicleId(
           vehicleId, DateUtil.string2DateTime(startTime), DateUtil.string2DateTime(endTime));
   this.calculate(RawDataProtocol.TRUCK_HS, gpsList);
   List<TrackGps> trackList = new ArrayList<TrackGps>();
   for (int i = 0; i < gpsList.size(); i++) {
     GpsHistory gps = gpsList.get(i);
     if (!gps.getEnableGps() || gps.getLatitude() < 0.1 || gps.getLongitude() < 0.1) {
       continue;
     }
     TrackGps trackGps = convertEntityGpsToTrackGps(gps);
     if (trackGps != null) {
       trackList.add(trackGps);
     }
   }
   return trackList;
 }
  private TrackGps convertEntityGpsToTrackGps(GpsHistory gps) {
    if (gps == null) {
      return null;
    }
    TrackGps track = new TrackGps();
    track.setId(gps.getId().toString()); // gps id
    track.setTime(
        gps.getTime() != null ? DateUtil.dateTime2String(new Date(gps.getTime())) : null); //
    track.setVehicleId(gps.getHcVehicleId()); //
    if (gps.getCardNo() != null) gps.setCardNo(gps.getCardNo().replaceAll("\\u0000", ""));
    track.setCardNo(gps.getCardNo()); //
    track.setCardBalance(null); //
    track.setPlateNo(gps.getPlateNo()); //
    track.setSpeed(gps.getSpeed()); //

    track.setMileageDayCumulative(gps.getCurrentMileageCumulative()); // 当日累积里程
    track.setOilDayCumulative(gps.getCurrentOilCumulative()); // 当日累积油耗

    track.setAltitude(gps.getAltitude()); //
    if (gps.getCardStatus() != null) {
      switch (gps.getCardStatus()) {
        case OFF_LINE:
          track.setCardStatus(CardStatus.OFFLINE);
          break;
        case ON_LINE:
          track.setCardStatus(CardStatus.ONLINE);
          break;
        default:
          track.setCardStatus(null);
      }
    }
    if (gps.getAccStatus() != null) {
      switch (gps.getAccStatus()) {
        case IGNITION:
          track.setAccStatus(AccStatus.IGNITION);
          break;
        case FLAMEOUT:
          track.setAccStatus(AccStatus.STALL);
          break;
        default:
          track.setAccStatus(null);
      }
    }
    track.setLongitude(gps.getLongitude()); //
    track.setLatitude(gps.getLatitude()); //
    if (gps.getVehicleStatus() != null) {
      track.setVehicleStatus(VehicleStatus.valueOf(gps.getVehicleStatus().name()));
    } else if (gps.getAccStatus() != null) {
      switch (gps.getAccStatus()) {
        case IGNITION:
          track.setVehicleStatus(VehicleStatus.IGNITION);
          break;
        case FLAMEOUT:
          track.setVehicleStatus(VehicleStatus.STALL);
          break;
        default:
          track.setAccStatus(null);
      }
    }
    track.setDeviceId(gps.getDeviceId()); // HSBOX 编号
    if (gps.getEnableGps() == null) {
      track.setTag(gps.getEnableGps() ? GpsTag.VALID : GpsTag.INVALID); // gps 是否有效A有效V无效
    }
    track.setSatelliteNum(gps.getSatelliteNum()); // 卫星数量

    track.setOilCumulative(gps.getOilCumulative());
    track.setMileageCumulative(
        gps.getMileageCumulative() != null ? gps.getMileageCumulative() / 1000D : null);
    return track;
  }