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package org.opentripplanner.apis.gtfs.datafetchers;

import graphql.schema.DataFetcher;
import graphql.schema.DataFetchingEnvironment;
import org.locationtech.jts.geom.Geometry;
import org.opentripplanner.apis.gtfs.generated.GraphQLDataFetchers;
import org.opentripplanner.framework.geometry.EncodedPolyline;

public class GeometryImpl implements GraphQLDataFetchers.GraphQLGeometry {

  @Override
  public DataFetcher length() {
    return environment -> getSource(environment).length();
  }

  @Override
  public DataFetcher points() {
    return environment -> getSource(environment).points();
  }

  private EncodedPolyline getSource(DataFetchingEnvironment environment) {
    return EncodedPolyline.encode((Geometry) environment.getSource());
  }
}