/**************************************************************************** ** ** Copyright (C) 2013-2016 Esri ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtLocation module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "georoutejsonparser_esri.h" #include #include #include #include QT_BEGIN_NAMESPACE // JSON reference: http://resources.arcgis.com/en/help/arcgis-rest-api/#/Route_service_with_synchronous_execution/02r300000036000000/ static const QString kErrorMessage(QStringLiteral("Error %1: %2.")); static const QString kErrorJson(QStringLiteral("Error: invalide JSON document.")); static const QString kErrorKey(QStringLiteral("error")); static const QString kErrorCodeKey(QStringLiteral("code")); static const QString kErrorMessageKey(QStringLiteral("message")); static const QString kErrorDetailsKey(QStringLiteral("details")); static const QString kDirectionsKey(QStringLiteral("directions")); static const QString kRoutesKey(QStringLiteral("routes")); static const QString kBarriersKey(QStringLiteral("barriers")); static const QString kMessagesKey(QStringLiteral("messages")); static const QString kDirectionsRouteIdKey(QStringLiteral("routeId")); static const QString kDirectionsRouteNameKey(QStringLiteral("routeName")); static const QString kDirectionsSummaryKey(QStringLiteral("summary")); static const QString kDirectionsTotalLengthKey(QStringLiteral("totalLength")); static const QString kDirectionsTotalTimeKey(QStringLiteral("totalTime")); static const QString kDirectionsTotalDriveTimeKey(QStringLiteral("totalDriveTime")); static const QString kDirectionsEnvelopeKey(QStringLiteral("envelope")); static const QString kDirectionsEnvelopeXminKey(QStringLiteral("xmin")); static const QString kDirectionsEnvelopeYminKey(QStringLiteral("ymin")); static const QString kDirectionsEnvelopeXmaxKey(QStringLiteral("xmax")); static const QString kDirectionsEnvelopeYmaxKey(QStringLiteral("ymax")); static const QString kDirectionsFeaturesKey(QStringLiteral("features")); static const QString kDirectionsFeaturesAttributesKey(QStringLiteral("attributes")); static const QString kDirectionsFeaturesCompressedGeometryKey(QStringLiteral("compressedGeometry")); static const QString kDirectionsFeaturesAttributesLengthKey(QStringLiteral("length")); static const QString kDirectionsFeaturesAttributesTimeKey(QStringLiteral("time")); static const QString kDirectionsFeaturesAttributesTextKey(QStringLiteral("text")); static const QString kDirectionsFeaturesAttributesEtaKey(QStringLiteral("ETA")); static const QString kDirectionsFeaturesAttributesManeuverTypeKey(QStringLiteral("maneuverType")); static const QString kRoutesFeaturesKey(QStringLiteral("features")); static const QString kRoutesFeaturesAttributesKey(QStringLiteral("attributes")); static const QString kRoutesFeaturesObjectIdKey(QStringLiteral("ObjectID")); static const QString kRoutesFeaturesGeometryKey(QStringLiteral("geometry")); static const QString kRoutesFeaturesGeometryPathsKey(QStringLiteral("paths")); GeoRouteJsonParserEsri::GeoRouteJsonParserEsri(const QJsonDocument &document) { if (!document.isObject()) { m_error = kErrorJson; return; } m_json = document.object(); if (m_json.contains(kErrorKey)) { QJsonObject error = m_json.value(kErrorKey).toObject(); int code = error.value(kErrorCodeKey).toInt(); QString message = error.value(kErrorMessageKey).toString(); m_error = kErrorMessage.arg(code).arg(message); return; } parseDirections(); parseRoutes(); } QList GeoRouteJsonParserEsri::routes() const { return m_routes.values(); } bool GeoRouteJsonParserEsri::isValid() const { return (m_error.isEmpty()); } QString GeoRouteJsonParserEsri::errorString() const { return m_error; } void GeoRouteJsonParserEsri::parseDirections() { QJsonArray directions = m_json.value(kDirectionsKey).toArray(); foreach (const QJsonValue &direction, directions) parseDirection(direction.toObject()); } void GeoRouteJsonParserEsri::parseDirection(const QJsonObject &direction) { QGeoRoute &geoRoute = m_routes[direction.value(kDirectionsRouteIdKey).toInt()]; // parse summary geoRoute.setRouteId(direction.value(kDirectionsRouteNameKey).toString()); QJsonObject summary = direction.value(kDirectionsSummaryKey).toObject(); geoRoute.setDistance(summary.value(kDirectionsTotalLengthKey).toDouble()); geoRoute.setTravelTime(summary.value(kDirectionsTotalTimeKey).toDouble() * 60); // default units is minutes, see directionsTimeAttributeName param geoRoute.setTravelMode(QGeoRouteRequest::CarTravel); // default request is time for car, see directionsTimeAttributeName param QJsonObject enveloppe = summary.value(kDirectionsEnvelopeKey).toObject(); QGeoCoordinate topLeft(enveloppe.value(kDirectionsEnvelopeXminKey).toDouble(), enveloppe.value(kDirectionsEnvelopeYmaxKey).toDouble()); QGeoCoordinate bottomRight(enveloppe.value(kDirectionsEnvelopeXmaxKey).toDouble(), enveloppe.value(kDirectionsEnvelopeYminKey).toDouble()); geoRoute.setBounds(QGeoRectangle(topLeft, bottomRight)); // parse features QJsonArray features = direction.value(kDirectionsFeaturesKey).toArray(); static const QMap esriDirectionsManeuverTypes { { QStringLiteral("esriDMTUnknown"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTStop"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTStraight"), QGeoManeuver::DirectionForward }, { QStringLiteral("esriDMTBearLeft"), QGeoManeuver::DirectionBearLeft }, { QStringLiteral("esriDMTBearRight"), QGeoManeuver::DirectionBearRight }, { QStringLiteral("esriDMTTurnLeft"), QGeoManeuver::DirectionLeft }, { QStringLiteral("esriDMTTurnRight"), QGeoManeuver::DirectionRight }, { QStringLiteral("esriDMTSharpLeft"), QGeoManeuver::DirectionLightLeft }, { QStringLiteral("esriDMTSharpRight"), QGeoManeuver::DirectionLightRight }, { QStringLiteral("esriDMTUTurn"), QGeoManeuver::DirectionUTurnRight }, { QStringLiteral("esriDMTFerry"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTRoundabout"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTHighwayMerge"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTHighwayExit"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTHighwayChange"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTForkCenter"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTForkLeft"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTForkRight"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTDepart"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTTripItem"), QGeoManeuver::NoDirection }, { QStringLiteral("esriDMTEndOfFerry"), QGeoManeuver::NoDirection } }; QGeoRouteSegment firstSegment; for (int i = features.size() - 1; i >= 0; --i) { QJsonObject feature = features.at(i).toObject(); QJsonObject attributes = feature.value(kDirectionsFeaturesAttributesKey).toObject(); QGeoRouteSegment segment; double length = attributes.value(kDirectionsFeaturesAttributesLengthKey).toDouble(); segment.setDistance(length); double time = attributes.value(kDirectionsFeaturesAttributesTimeKey).toDouble() * 60; // default units is minutes, see directionsTimeAttributeName param segment.setTravelTime(time); QGeoManeuver maneuver; QString type = attributes.value(kDirectionsFeaturesAttributesManeuverTypeKey).toString(); maneuver.setDirection(esriDirectionsManeuverTypes.value(type)); maneuver.setInstructionText(attributes.value(kDirectionsFeaturesAttributesTextKey).toString() + "."); maneuver.setDistanceToNextInstruction(length); maneuver.setTimeToNextInstruction(time); segment.setManeuver(maneuver); segment.setNextRouteSegment(firstSegment); firstSegment = segment; } geoRoute.setFirstRouteSegment(firstSegment); } void GeoRouteJsonParserEsri::parseRoutes() { QJsonObject routes = m_json.value(kRoutesKey).toObject(); QJsonArray features = routes.value(kRoutesFeaturesKey).toArray(); foreach (const QJsonValue &feature, features) parseRoute(feature.toObject()); } void GeoRouteJsonParserEsri::parseRoute(const QJsonObject &route) { QJsonObject attributes = route.value(kRoutesFeaturesAttributesKey).toObject(); QGeoRoute &geoRoute = m_routes[attributes.value(kRoutesFeaturesObjectIdKey).toInt()]; QJsonObject geometry = route.value(kRoutesFeaturesGeometryKey).toObject(); QJsonArray paths = geometry.value(kRoutesFeaturesGeometryPathsKey).toArray(); if (!paths.isEmpty()) { QList geoCoordinates; foreach (const QJsonValue &value, paths.first().toArray()) // only first polyline? { QJsonArray geoCoordinate = value.toArray(); if (geoCoordinate.size() == 2) // ignore 3rd coordinate { geoCoordinates.append(QGeoCoordinate(geoCoordinate[1].toDouble(), geoCoordinate[0].toDouble())); } } geoRoute.setPath(geoCoordinates); } } QT_END_NAMESPACE