org.opentripplanner.netex.mapping.WgsCoordinateMapper Maven / Gradle / Ivy

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package org.opentripplanner.netex.mapping;

import javax.annotation.Nullable;
import org.opentripplanner.transit.model.basic.WgsCoordinate;
import org.rutebanken.netex.model.LocationStructure;
import org.rutebanken.netex.model.SimplePoint_VersionStructure;

class WgsCoordinateMapper {

  /**
   * This utility method check if the given {@code point} or one of its sub elements is {@code null}
   * before passing the location to the given {@code locationHandler}.
   *
   * @return true if the handler is successfully invoked with a location, {@code false} if any of
   * the required data elements are {@code null}.
   */
  @Nullable
  static WgsCoordinate mapToDomain(SimplePoint_VersionStructure point) {
    if (point == null || point.getLocation() == null) {
      return null;
    }
    LocationStructure loc = point.getLocation();

    // This should not happen
    if (loc.getLongitude() == null || loc.getLatitude() == null) {
      throw new IllegalArgumentException("Coordinate is not valid: " + loc);
    }
    // Location is safe to process
    return new WgsCoordinate(loc.getLatitude().doubleValue(), loc.getLongitude().doubleValue());
  }
}