org.opentripplanner.gtfs.mapping.TransitModeMapper Maven / Gradle / Ivy

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package org.opentripplanner.gtfs.mapping;

import org.opentripplanner.transit.model.basic.TransitMode;

public class TransitModeMapper {

  /**
   * Return an OTP TransitMode matching a routeType. If no good match is found, it returns null.
   *
   * @param routeType Route type to be mapped into a mode
   */
  public static TransitMode mapMode(int routeType) {
    // Should really be reference to org.onebusaway.gtfs.model.Stop.MISSING_VALUE, but it is private.
    if (routeType == -999) {
      return null;
    }

    /* TPEG Extension  https://groups.google.com/d/msg/gtfs-changes/keT5rTPS7Y0/71uMz2l6ke0J */
    if (routeType >= 100 && routeType < 200) {
      // Railway Service
      return TransitMode.RAIL;
    } else if (routeType >= 200 && routeType < 300) { //Coach Service
      return TransitMode.COACH;
    } else if (routeType >= 300 && routeType < 500) { //Suburban Railway Service and Urban Railway service
      if (routeType >= 401 && routeType <= 402) {
        return TransitMode.SUBWAY;
      }
      if (routeType == 405) {
        return TransitMode.MONORAIL;
      }
      return TransitMode.RAIL;
    } else if (routeType >= 500 && routeType < 700) {
      // Metro Service and Underground Service
      return TransitMode.SUBWAY;
    } else if (routeType >= 700 && routeType < 800) {
      // Bus Service
      return TransitMode.BUS;
    } else if (routeType >= 800 && routeType < 900) {
      // Trolleybus Service
      return TransitMode.TROLLEYBUS;
    } else if (routeType >= 900 && routeType < 1000) {
      // Tram service
      return TransitMode.TRAM;
    } else if (routeType >= 1000 && routeType < 1100) {
      // Water Transport Service
      return TransitMode.FERRY;
    } else if (routeType >= 1100 && routeType < 1200) {
      // Air Service
      return TransitMode.AIRPLANE;
    } else if (routeType >= 1200 && routeType < 1300) {
      // Ferry Service
      return TransitMode.FERRY;
    } else if (routeType >= 1300 && routeType < 1400) {
      // Telecabin Service
      return TransitMode.GONDOLA;
    } else if (routeType >= 1400 && routeType < 1500) {
      // Funicular Service
      return TransitMode.FUNICULAR;
    } else if (routeType >= 1551 && routeType < 1561) {
      // Carpooling, not defined anywhere, so we've chosen this number space
      // see https://groups.google.com/g/gtfs-changes/c/keT5rTPS7Y0/m/71uMz2l6ke0J for an effort to
      // standardise
      return TransitMode.CARPOOL;
    } else if (routeType >= 1500 && routeType < 1599) {
      // Taxi Service
      return TransitMode.TAXI;
    } else if (routeType >= 1600 && routeType < 1700) {
      // Self drive
      return TransitMode.BUS;
    } else if (routeType >= 1700 && routeType < 1800) {
      // Miscellaneous Service
      return null;
    }
    /* Original GTFS route types. Should these be checked before TPEG types? */
    return switch (routeType) {
      case 0 -> TransitMode.TRAM;
      case 1 -> TransitMode.SUBWAY;
      case 2 -> TransitMode.RAIL;
      case 3 -> TransitMode.BUS;
      case 4 -> TransitMode.FERRY;
      case 5 -> TransitMode.CABLE_CAR;
      case 6 -> TransitMode.GONDOLA;
      case 7 -> TransitMode.FUNICULAR;
      case 11 -> TransitMode.TROLLEYBUS;
      case 12 -> TransitMode.MONORAIL;
      default -> throw new IllegalArgumentException("unknown gtfs route type " + routeType);
    };
  }
}