Use CalculateRoute with an AWS SDK

The following code example shows how to use CalculateRoute.

Java

SDK for Java 2.x

Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

    /**
     * Calculates the distance between two locations asynchronously.
     *
     * @param routeCalcName the name of the route calculator to use
     * @return a {@link CompletableFuture} that will complete with a {@link CalculateRouteResponse} containing the distance and estimated duration of the route
     */
    public CompletableFuture<CalculateRouteResponse> calcDistanceAsync(String routeCalcName) {
        // Define coordinates for Seattle, WA and Vancouver, BC.
        List<Double> departurePosition = Arrays.asList(-122.3321, 47.6062);
        List<Double> arrivePosition = Arrays.asList(-123.1216, 49.2827);

        CalculateRouteRequest request = CalculateRouteRequest.builder()
            .calculatorName(routeCalcName)
            .departurePosition(departurePosition)
            .destinationPosition(arrivePosition)
            .travelMode("Car") // Options: Car, Truck, Walking, Bicycle
            .distanceUnit("Kilometers") // Options: Meters, Kilometers, Miles
            .build();

        return getClient().calculateRoute(request)
            .whenComplete((response, exception) -> {
                if (exception != null) {
                    Throwable cause = exception.getCause();
                    if (cause instanceof ResourceNotFoundException) {
                        throw new CompletionException("The AWS resource was not found: " + cause.getMessage(), cause);
                    }
                    throw new CompletionException("Failed to calculate route: " + exception.getMessage(), exception);
                }
            });
    }

• For API details, see CalculateRoute in AWS SDK for Java 2.x API Reference.