/**
* Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onebusaway.transit_data_federation.impl.shapes;
import java.util.List;
import org.onebusaway.collections.tuple.T2;
import org.onebusaway.collections.tuple.Tuples;
import org.onebusaway.container.cache.Cacheable;
import org.onebusaway.geospatial.model.XYPoint;
import org.onebusaway.geospatial.services.UTMProjection;
import org.onebusaway.gtfs.model.AgencyAndId;
import org.onebusaway.transit_data_federation.model.ShapePoints;
import org.onebusaway.transit_data_federation.services.shapes.ProjectedShapePointService;
import org.onebusaway.transit_data_federation.services.shapes.ShapePointService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component
class ProjectedShapePointServiceImpl implements ProjectedShapePointService {
private ShapePointService _shapePointService;
private ShapePointsLibrary _shapePointsLibrary;
@Autowired
public void setShapePointService(ShapePointService shapePointService) {
_shapePointService = shapePointService;
}
@Autowired
public void setShapePointsLibrary(ShapePointsLibrary shapePointsLibrary) {
_shapePointsLibrary = shapePointsLibrary;
}
@Cacheable
@Override
public T2<List<XYPoint>, double[]> getProjectedShapePoints(
List<AgencyAndId> shapeIds, int utmZoneId) {
ShapePoints shapePoints = _shapePointService.getShapePointsForShapeIds(shapeIds);
if (shapePoints == null || shapePoints.isEmpty())
return null;
UTMProjection projection = new UTMProjection(utmZoneId);
List<XYPoint> projected = _shapePointsLibrary.getProjectedShapePoints(
shapePoints, projection);
return Tuples.tuple(projected, shapePoints.getDistTraveled());
}
}