com.mapbox.api.directions.v5.MapboxDirections Maven / Gradle / Ivy
package com.mapbox.api.directions.v5;
import java.io.IOException;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.logging.Level;
import java.util.logging.Logger;
import android.support.annotation.FloatRange;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import com.google.auto.value.AutoValue;
import com.google.gson.GsonBuilder;
import com.mapbox.api.directions.v5.models.DirectionsError;
import com.mapbox.api.directions.v5.models.DirectionsResponse;
import com.mapbox.core.utils.MapboxUtils;
import com.mapbox.api.directions.v5.models.DirectionsRoute;
import com.mapbox.api.directions.v5.models.RouteLeg;
import com.mapbox.api.directions.v5.models.RouteOptions;
import com.mapbox.core.exceptions.ServicesException;
import com.mapbox.geojson.Point;
import com.mapbox.core.MapboxService;
import com.mapbox.core.utils.ApiCallHelper;
import com.mapbox.core.constants.Constants;
import com.mapbox.core.utils.TextUtils;
import okhttp3.ResponseBody;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Converter;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
/**
* The Directions API allows the calculation of routes between coordinates. The fastest route can be
* returned with geometries, turn-by-turn instructions, and much more. The Mapbox Directions API
* supports routing for driving cars (including live traffic), riding bicycles and walking.
* Requested routes can include as much as 25 coordinates anywhere on earth (except the traffic
* profile).
*
* Requesting a route at a bare minimal must include, a Mapbox access token, destination, and an
* origin.
*
*
* @see Android
* Directions documentation
* @see Directions API
* documentation
* @since 1.0.0
*/
@AutoValue
public abstract class MapboxDirections extends MapboxService {
private static final Logger LOGGER = Logger.getLogger(MapboxDirections.class.getName());
private okhttp3.Call.Factory callFactory;
private Call call;
private DirectionsService service;
private Retrofit retrofit;
private DirectionsService getService() {
// No need to recreate it
if (service != null) {
return service;
}
// Retrofit instance
Retrofit.Builder retrofitBuilder = new Retrofit.Builder()
.baseUrl(baseUrl())
.addConverterFactory(GsonConverterFactory.create(new GsonBuilder()
.registerTypeAdapterFactory(DirectionsAdapterFactory.create())
.create()
));
retrofit = retrofitBuilder.build();
if (getCallFactory() != null) {
retrofitBuilder.callFactory(getCallFactory());
} else {
retrofitBuilder.client(getOkHttpClient());
}
// Directions service
service = retrofitBuilder.build().create(DirectionsService.class);
return service;
}
private Call getCall() {
// No need to recreate it
if (call != null) {
return call;
}
call = getService().getCall(
ApiCallHelper.getHeaderUserAgent(clientAppName()),
user(),
profile(),
coordinates(),
accessToken(),
alternatives(),
geometries(),
overview(),
radius(),
steps(),
bearing(),
continueStraight(),
annotation(),
language(),
roundaboutExits(),
voiceInstructions(),
bannerInstructions(),
voiceUnits(),
exclude());
// Done
return call;
}
/**
* Wrapper method for Retrofits {@link Call#execute()} call returning a response specific to the
* Directions API.
*
* @return the Directions v5 response once the call completes successfully
* @throws IOException Signals that an I/O exception of some sort has occurred
* @since 1.0.0
*/
@Override
public Response executeCall() throws IOException {
Response response = getCall().execute();
if (!response.isSuccessful()) {
errorDidOccur(null, response);
}
return Response.success(response.body().toBuilder().routes(
generateRouteOptions(response)).build());
}
/**
* Wrapper method for Retrofits {@link Call#enqueue(Callback)} call returning a response specific
* to the Directions API. Use this method to make a directions request on the Main Thread.
*
* @param callback a {@link Callback} which is used once the {@link DirectionsResponse} is
* created.
* @since 1.0.0
*/
@Override
public void enqueueCall(final Callback callback) {
getCall().enqueue(new Callback() {
@Override
public void onResponse(Call call, Response response) {
if (!response.isSuccessful()) {
errorDidOccur(callback, response);
return;
} else if (response.body() == null || response.body().routes().isEmpty()) {
// If null just pass the original object back since there's nothing to modify.
callback.onResponse(call, response);
}
DirectionsResponse newResponse = response.body().toBuilder().routes(
generateRouteOptions(response)).build();
callback.onResponse(call, Response.success(newResponse));
}
@Override
public void onFailure(Call call, Throwable throwable) {
callback.onFailure(call, throwable);
}
});
}
private void errorDidOccur(@Nullable Callback callback,
@NonNull Response response) {
// Response gave an error, we try to LOGGER any messages into the LOGGER here.
Converter errorConverter =
retrofit.responseBodyConverter(DirectionsError.class, new Annotation[0]);
if (callback == null) {
return;
}
try {
callback.onFailure(call,
new Throwable(errorConverter.convert(response.errorBody()).message()));
} catch (IOException ioException) {
LOGGER.log(Level.WARNING, "Failed to complete your request. ", ioException);
}
}
private List generateRouteOptions(Response response) {
List routes = response.body().routes();
List modifiedRoutes = new ArrayList<>();
for (DirectionsRoute route : routes) {
modifiedRoutes.add(route.toBuilder().routeOptions(
RouteOptions.builder()
.profile(profile())
.continueStraight(continueStraight())
.annotations(annotation())
.bearings(bearing())
.alternatives(alternatives())
.language(language())
.radiuses(radius())
.user(user())
.voiceInstructions(voiceInstructions())
.bannerInstructions(bannerInstructions())
.exclude(exclude())
.voiceUnits(voiceUnits())
.accessToken(accessToken())
.requestUuid(response.body().uuid())
.build()
).build());
}
return modifiedRoutes;
}
/**
* Wrapper method for Retrofits {@link Call#cancel()} call, important to manually cancel call if
* the user dismisses the calling activity or no longer needs the returned results.
*
* @since 1.0.0
*/
@Override
public void cancelCall() {
getCall().cancel();
}
/**
* Wrapper method for Retrofits {@link Call#clone()} call, useful for getting call information.
*
* @return cloned call
* @since 1.0.0
*/
@Override
public Call cloneCall() {
return getCall().clone();
}
@NonNull
abstract String user();
@NonNull
abstract String profile();
@NonNull
abstract String coordinates();
@NonNull
abstract String baseUrl();
@Nullable
abstract String accessToken();
@Nullable
abstract Boolean alternatives();
@Nullable
abstract String geometries();
@Nullable
abstract String overview();
@Nullable
abstract String radius();
@Nullable
abstract String bearing();
@Nullable
abstract Boolean steps();
@Nullable
abstract Boolean continueStraight();
@Nullable
abstract String annotation();
@Nullable
abstract String language();
@Nullable
abstract Boolean roundaboutExits();
@Nullable
abstract String clientAppName();
@Nullable
abstract Boolean voiceInstructions();
@Nullable
abstract Boolean bannerInstructions();
@Nullable
abstract String voiceUnits();
@Nullable
abstract String exclude();
/**
* Gets the call factory for creating {@link Call} instances.
*
* @return the call factory, or the default OkHttp client if it's null.
* @since 2.0.0
*/
@Override
public okhttp3.Call.Factory getCallFactory() {
return callFactory;
}
/**
* Specify a custom call factory for creating {@link Call} instances.
*
* @param callFactory implementation
* @since 2.0.0
*/
@Override
public void setCallFactory(okhttp3.Call.Factory callFactory) {
this.callFactory = callFactory;
}
/**
* Build a new {@link MapboxDirections} object with the initial values set for
* {@link #baseUrl()}, {@link #profile()}, {@link #user()}, and {@link #geometries()}.
*
* @return a {@link Builder} object for creating this object
* @since 3.0.0
*/
public static Builder builder() {
return new AutoValue_MapboxDirections.Builder()
.baseUrl(Constants.BASE_API_URL)
.profile(DirectionsCriteria.PROFILE_DRIVING)
.user(DirectionsCriteria.PROFILE_DEFAULT_USER)
.geometries(DirectionsCriteria.GEOMETRY_POLYLINE6);
}
/**
* Returns the builder which created this instance of {@link MapboxDirections} and allows for
* modification and building a new directions request with new information.
*
* @return {@link MapboxDirections.Builder} with the same variables set as this directions object
* @since 3.0.0
*/
public abstract Builder toBuilder();
/**
* This builder is used to create a new request to the Mapbox Directions API. At a bare minimum,
* your request must include an access token, an origin, and a destination. All other fields can
* be left alone inorder to use the default behaviour of the API.
*
* By default, the directions profile is set to driving (without traffic) but can be changed to
* reflect your users use-case.
*
* Note to contributors: All optional booleans in this builder use the object {@code Boolean}
* rather than the primitive to allow for unset (null) values.
*
*
* @since 1.0.0
*/
@AutoValue.Builder
public abstract static class Builder {
private List bearings = new ArrayList<>();
private List coordinates = new ArrayList<>();
private String[] annotations;
private double[] radiuses;
private Point destination;
private Point origin;
/**
* The username for the account that the directions engine runs on. In most cases, this should
* always remain the default value of {@link DirectionsCriteria#PROFILE_DEFAULT_USER}.
*
* @param user a non-null string which will replace the default user used in the directions
* request
* @return this builder for chaining options together
* @since 1.0.0
*/
public abstract Builder user(@NonNull String user);
/**
* This selects which mode of transportation the user will be using while navigating from the
* origin to the final destination. The options include driving, driving considering traffic,
* walking, and cycling. Using each of these profiles will result in different routing biases.
*
* @param profile required to be one of the String values found in the {@link DirectionsCriteria.ProfileCriteria}
* @return this builder for chaining options together
* @since 1.0.0
*/
public abstract Builder profile(@NonNull @DirectionsCriteria.ProfileCriteria String profile);
/**
* This sets the starting point on the map where the route will begin. It is one of the
* required parameters which must be set for a successful directions response.
*
* @param origin a GeoJson {@link Point} object representing the starting location for the route
* @return this builder for chaining options together
* @since 1.0.0
*/
public Builder origin(@NonNull Point origin) {
this.origin = origin;
return this;
}
/**
* This sets the ending point on the map where the route will end. It is one of the required
* parameters which must be set for a successful directions response.
*
* @param destination a GeoJson {@link Point} object representing the starting location for the
* route
* @return this builder for chaining options together
* @since 1.0.0
*/
public Builder destination(@NonNull Point destination) {
this.destination = destination;
return this;
}
/**
* This can be used to set up to 23 additional in-between points which will act as pit-stops
* along the users route. Note that if you are using the
* {@link DirectionsCriteria#PROFILE_DRIVING_TRAFFIC} that the max number of waypoints allowed
* in the request is currently limited to 1.
*
* @param waypoint a {@link Point} which represents the pit-stop or waypoint where you'd like
* one of the {@link RouteLeg} to
* navigate the user to
* @return this builder for chaining options together
* @since 3.0.0
*/
public Builder addWaypoint(@NonNull Point waypoint) {
if (coordinates.size() > 23) {
throw new ServicesException("A max of 25 coordinates including the origin and destination"
+ "values can be used inside your request.");
}
coordinates.add(waypoint);
return this;
}
/**
* Optionally set whether to try to return alternative routes. An alternative is classified as a
* route that is significantly different then the fastest route, but also still reasonably fast.
* Not in all circumstances such a route exists. At the moment at most one alternative can be
* returned.
*
* @param alternatives true if you'd like to receive an alternative route, otherwise false or
* null to use the APIs default value
* @return this builder for chaining options together
* @since 1.0.0
*/
public abstract Builder alternatives(@Nullable Boolean alternatives);
/**
* alter the default geometry being returned for the directions route. A null value will reset
* this field to the APIs default value vs this SDKs default value of
* {@link DirectionsCriteria#GEOMETRY_POLYLINE6}.
*
* Note that while the API supports GeoJson as an option for geometry, this SDK intentionally
* removes this as an option since an encoded string for the geometry significantly reduces
* bandwidth on mobile devices and speeds up response time.
*
*
* @param geometries null if you'd like the default geometry, else one of the options found in
* {@link DirectionsCriteria.GeometriesCriteria}.
* @return this builder for chaining options together
* @since 2.0.0
*/
public abstract Builder geometries(@DirectionsCriteria.GeometriesCriteria String geometries);
/**
* Type of returned overview geometry. Can be {@link DirectionsCriteria#OVERVIEW_FULL} (the most
* detailed geometry available), {@link DirectionsCriteria#OVERVIEW_SIMPLIFIED} (a simplified
* version of the full geometry), or {@link DirectionsCriteria#OVERVIEW_FALSE} (no overview
* geometry). The default is simplified. Passing in null will use the APIs default setting for
* the overview field.
*
* @param overview null or one of the options found in {@link DirectionsCriteria.OverviewCriteria}
* @return this builder for chaining options together
* @since 1.0.0
*/
public abstract Builder overview(@Nullable @DirectionsCriteria.OverviewCriteria String overview);
/**
* Setting this will determine whether to return steps and turn-by-turn instructions. Can be
* set to either true or false to enable or disable respectively. null can also optionally be
* passed in to set the default behavior to match what the API does by default.
*
* @param steps true if you'd like step information
* @return this builder for chaining options together
* @since 1.0.0
*/
public abstract Builder steps(@Nullable Boolean steps);
/**
* Sets allowed direction of travel when departing intermediate waypoints. If true the route
* will continue in the same direction of travel. If false the route may continue in the
* opposite direction of travel. API defaults to true for
* {@link DirectionsCriteria#PROFILE_DRIVING} and false for
* {@link DirectionsCriteria#PROFILE_WALKING} and {@link DirectionsCriteria#PROFILE_CYCLING}.
*
* @param continueStraight boolean true if you want to always continue straight, else false.
* Null can also be passed in here to use the APIs default option
* @return this builder for chaining options together
* @since 1.0.0
*/
public abstract Builder continueStraight(@Nullable Boolean continueStraight);
/**
* Set the instruction language for the directions request, the default is english. Only a
* select number of languages are currently supported, reference the table provided in the see
* link below.
*
* @param language a Locale value representing the language you'd like the instructions to be
* written in when returned
* @return this builder for chaining options together
* @see Supported
* Languages
* @since 2.2.0
*/
public Builder language(@Nullable Locale language) {
if (language != null) {
language(language.getLanguage());
}
return this;
}
abstract Builder language(@Nullable String language);
/**
* Optionally, set this to true if you want to enable instructions while exiting roundabouts
* and rotaries.
*
* @param roundaboutExits true if you'd like extra roundabout instructions
* @return this builder for chaining options together
* @since 3.0.0
*/
public abstract Builder roundaboutExits(@Nullable Boolean roundaboutExits);
/**
* Whether or not to return additional metadata along the route. Possible values are:
* {@link DirectionsCriteria#ANNOTATION_DISTANCE},
* {@link DirectionsCriteria#ANNOTATION_DURATION},
* {@link DirectionsCriteria#ANNOTATION_DURATION} and
* {@link DirectionsCriteria#ANNOTATION_CONGESTION}. Several annotation can be used by
* separating them with {@code ,}.
*
* @param annotations string referencing one of the annotation direction criteria's. The strings
* restricted to one or multiple values inside the {@link DirectionsCriteria.AnnotationCriteria}
* or null which will result in no annotations being used
* @return this builder for chaining options together
* @see RouteLeg object
* documentation
* @since 2.1.0
*/
public Builder annotations(@Nullable @DirectionsCriteria.AnnotationCriteria String... annotations) {
this.annotations = annotations;
return this;
}
abstract Builder annotation(@Nullable String annotation);
/**
* Optionally, Use to filter the road segment the waypoint will be placed on by direction and
* dictates the angle of approach. This option should always be used in conjunction with the
* {@link #radiuses(double...)} parameter.
*
* The parameter takes two values per waypoint: the first is an angle clockwise from true north
* between 0 and 360. The second is the range of degrees the angle can deviate by. We recommend
* a value of 45 degrees or 90 degrees for the range, as bearing measurements tend to be
* inaccurate. This is useful for making sure we reroute vehicles on new routes that continue
* traveling in their current direction. A request that does this would provide bearing and
* radius values for the first waypoint and leave the remaining values empty. If provided, the
* list of bearings must be the same length as the list of waypoints, but you can skip a
* coordinate and show its position by passing in null value for both the angle and tolerance
* values.
*
* Each bearing value gets associated with the same order which coordinates are arranged in this
* builder. For example, the first bearing added in this builder will be associated with the
* origin {@code Point}, the nth bearing being associated with the nth waypoint added (if added)
* and the last bearing being added will be associated with the destination.
*
*
* @param angle double value used for setting the corresponding coordinate's angle of travel
* when determining the route
* @param tolerance the deviation the bearing angle can vary while determining the route,
* recommended to be either 45 or 90 degree tolerance
* @return this builder for chaining options together
* @since 2.0.0
*/
public Builder addBearing(@Nullable @FloatRange(from = 0, to = 360) Double angle,
@Nullable @FloatRange(from = 0, to = 360) Double tolerance) {
if (angle == null || tolerance == null) {
bearings.add(new Double[0]);
} else {
bearings.add(new Double[] {angle, tolerance});
}
return this;
}
abstract Builder bearing(@Nullable String bearings);
/**
* Optionally, set the maximum distance in meters that each coordinate is allowed to move when
* snapped to a nearby road segment. There must be as many radiuses as there are coordinates in
* the request. Values can be any number greater than 0 or they can be unlimited simply by
* passing {@link Double#POSITIVE_INFINITY}.
*
* If no routable road is found within the radius, a {@code NoSegment} error is returned.
*
*
* @param radiuses double array containing the radiuses defined in unit meters.
* @return this builder for chaining options together
* @since 1.0.0
*/
public Builder radiuses(@FloatRange(from = 0) double... radiuses) {
this.radiuses = radiuses;
return this;
}
abstract Builder radius(@Nullable String radiuses);
/**
* Exclude certain road types from routing. Valid values depend on the profile in use. The
* default is to not exclude anything from the profile selected.
*
* @param exclude one of the constants defined in {@link DirectionsCriteria.ExcludeCriteria}
* @return this builder for chaining options together
* @since 3.0.0
*/
public abstract Builder exclude(@DirectionsCriteria.ExcludeCriteria String exclude);
/**
* Request voice instructions objects to be returned in your response. This offers instructions
* specific for navigation and provides well spoken text instructions along with the distance
* from the maneuver the instructions should be said.
*
* It's important to note that the {@link #steps(Boolean)} should be true or else these results
* wont be returned.
*
*
* @param voiceInstructions true if you'd like voice instruction objects be attached to your
* response
* @return this builder for chaining options together
* @since 3.0.0
*/
public abstract Builder voiceInstructions(@Nullable Boolean voiceInstructions);
/**
* Request banner instructions object to be returned in your response. This is useful
* specifically for navigation and provides an abundance of information one might want to
* display to their user inside an Android view for example.
*
* @param bannerInstructions true if you'd like the receive banner objects within your response
* object
* @return this builder for chaining options together
* @since 3.0.0
*/
public abstract Builder bannerInstructions(@Nullable Boolean bannerInstructions);
/**
* Specify what unit you'd like voice and banner instructions to use.
*
* @param voiceUnits either Imperial (default) or Metric
* @return this builder for chaining options together
* @since 3.0.0
*/
public abstract Builder voiceUnits(@Nullable @DirectionsCriteria.VoiceUnitCriteria String voiceUnits);
/**
* Base package name or other simple string identifier. Used inside the calls user agent header.
*
* @param clientAppName base package name or other simple string identifier
* @return this builder for chaining options together
* @since 1.0.0
*/
public abstract Builder clientAppName(@NonNull String clientAppName);
/**
* Required to call when this is being built. If no access token provided,
* {@link ServicesException} will be thrown.
*
* @param accessToken Mapbox access token, You must have a Mapbox account inorder to use
* the Optimization API
* @return this builder for chaining options together
* @since 2.1.0
*/
public abstract Builder accessToken(@NonNull String accessToken);
/**
* Optionally change the APIs base URL to something other then the default Mapbox one.
*
* @param baseUrl base url used as end point
* @return this builder for chaining options together
* @since 2.1.0
*/
public abstract Builder baseUrl(String baseUrl);
abstract Builder coordinates(@NonNull String coordinates);
abstract MapboxDirections autoBuild();
/**
* This uses the provided parameters set using the {@link Builder} and first checks that all
* values are valid, formats the values as strings for easier consumption by the API, and lastly
* creates a new {@link MapboxDirections} object with the values provided.
*
* @return a new instance of Mapbox Directions
* @since 2.1.0
*/
public MapboxDirections build() {
if (origin != null) {
coordinates.add(0, origin);
}
if (destination != null) {
coordinates.add(destination);
}
if (coordinates.size() < 2) {
throw new ServicesException("An origin and destination are required before making the"
+ " directions API request.");
}
coordinates(formatCoordinates(coordinates));
bearing(TextUtils.formatBearing(bearings));
annotation(TextUtils.join(",", annotations));
radius(TextUtils.formatRadiuses(radiuses));
MapboxDirections directions = autoBuild();
if (!MapboxUtils.isAccessTokenValid(directions.accessToken())) {
throw new ServicesException("Using Mapbox Services requires setting a valid access"
+ " token.");
}
return directions;
}
private static String formatCoordinates(List coordinates) {
List coordinatesFormatted = new ArrayList<>();
for (Point point : coordinates) {
coordinatesFormatted.add(String.format(Locale.US, "%s,%s",
TextUtils.formatCoordinate(point.longitude()),
TextUtils.formatCoordinate(point.latitude())));
}
return TextUtils.join(";", coordinatesFormatted.toArray());
}
}
}
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