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Diffstat (limited to 'src/plugins/geoservices/esri/geocodingmanagerengine_esri.cpp')
| -rw-r--r-- | src/plugins/geoservices/esri/geocodingmanagerengine_esri.cpp | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/plugins/geoservices/esri/geocodingmanagerengine_esri.cpp b/src/plugins/geoservices/esri/geocodingmanagerengine_esri.cpp new file mode 100644 index 00000000..fcdc5962 --- /dev/null +++ b/src/plugins/geoservices/esri/geocodingmanagerengine_esri.cpp @@ -0,0 +1,186 @@ +/**************************************************************************** +** +** Copyright (C) 2013-2016 Esri <contracts@esri.com> +** 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 "geocodingmanagerengine_esri.h" +#include "geocodereply_esri.h" + +#include <QVariantMap> +#include <QUrl> +#include <QUrlQuery> +#include <QLocale> +#include <QNetworkAccessManager> +#include <QNetworkRequest> +#include <QGeoCoordinate> +#include <QGeoAddress> +#include <QGeoShape> +#include <QGeoRectangle> + +QT_BEGIN_NAMESPACE + +// https://developers.arcgis.com/rest/geocode/api-reference/geocoding-find-address-candidates.htm +// https://developers.arcgis.com/rest/geocode/api-reference/geocoding-reverse-geocode.htm + +static const QString kPrefixEsri(QStringLiteral("esri.")); +static const QString kParamUserAgent(kPrefixEsri + QStringLiteral("useragent")); + +static const QString kUrlGeocode(QStringLiteral("http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer/findAddressCandidates")); +static const QString kUrlReverseGeocode(QStringLiteral("http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer/reverseGeocode")); + +static QString addressToQuery(const QGeoAddress &address) +{ + return address.street() + QStringLiteral(", ") + + address.district() + QStringLiteral(", ") + + address.city() + QStringLiteral(", ") + + address.state() + QStringLiteral(", ") + + address.country(); +} + +static QString boundingBoxToLtrb(const QGeoRectangle &rect) +{ + return QString::number(rect.topLeft().longitude()) + QLatin1Char(',') + + QString::number(rect.topLeft().latitude()) + QLatin1Char(',') + + QString::number(rect.bottomRight().longitude()) + QLatin1Char(',') + + QString::number(rect.bottomRight().latitude()); +} + +GeoCodingManagerEngineEsri::GeoCodingManagerEngineEsri(const QVariantMap ¶meters, + QGeoServiceProvider::Error *error, + QString *errorString) +: QGeoCodingManagerEngine(parameters), m_networkManager(new QNetworkAccessManager(this)) +{ + if (parameters.contains(kParamUserAgent)) + m_userAgent = parameters.value(kParamUserAgent).toString().toLatin1(); + else + m_userAgent = QByteArrayLiteral("Qt Location based application"); + + *error = QGeoServiceProvider::NoError; + errorString->clear(); +} + +GeoCodingManagerEngineEsri::~GeoCodingManagerEngineEsri() +{ +} + +QGeoCodeReply *GeoCodingManagerEngineEsri::geocode(const QGeoAddress &address, + const QGeoShape &bounds) +{ + return geocode(addressToQuery(address), 1, -1, bounds); +} + +QGeoCodeReply *GeoCodingManagerEngineEsri::geocode(const QString &address, int limit, int offset, + const QGeoShape &bounds) +{ + Q_UNUSED(offset) + + QNetworkRequest request; + request.setHeader(QNetworkRequest::UserAgentHeader, m_userAgent); + + QUrl url(kUrlGeocode); + + QUrlQuery query; + query.addQueryItem(QStringLiteral("singleLine"), address); + query.addQueryItem(QStringLiteral("f"), QStringLiteral("json")); + query.addQueryItem(QStringLiteral("outFields"), "*"); + + if (bounds.type() == QGeoShape::RectangleType) + query.addQueryItem(QStringLiteral("searchExtent"), boundingBoxToLtrb(bounds)); + + if (limit != -1) + query.addQueryItem(QStringLiteral("maxLocations"), QString::number(limit)); + + url.setQuery(query); + request.setUrl(url); + + QNetworkReply *reply = m_networkManager->get(request); + GeoCodeReplyEsri *geocodeReply = new GeoCodeReplyEsri(reply, GeoCodeReplyEsri::Geocode, this); + + connect(geocodeReply, SIGNAL(finished()), this, SLOT(replyFinished())); + connect(geocodeReply, SIGNAL(error(QGeoCodeReply::Error,QString)), + this, SLOT(replyError(QGeoCodeReply::Error,QString))); + + return geocodeReply; +} + +QGeoCodeReply *GeoCodingManagerEngineEsri::reverseGeocode(const QGeoCoordinate &coordinate, + const QGeoShape &bounds) +{ + Q_UNUSED(bounds) + + QNetworkRequest request; + request.setHeader(QNetworkRequest::UserAgentHeader, m_userAgent); + + QUrl url(kUrlReverseGeocode); + + QUrlQuery query; + + query.addQueryItem(QStringLiteral("f"), QStringLiteral("json")); + query.addQueryItem(QStringLiteral("langCode"), locale().name().left(2)); + query.addQueryItem(QStringLiteral("location"), QString::number(coordinate.longitude()) + QLatin1Char(',') + + QString::number(coordinate.latitude())); + + url.setQuery(query); + request.setUrl(url); + + QNetworkReply *reply = m_networkManager->get(request); + GeoCodeReplyEsri *geocodeReply = new GeoCodeReplyEsri(reply, GeoCodeReplyEsri::ReverseGeocode, + this); + + connect(geocodeReply, SIGNAL(finished()), this, SLOT(replyFinished())); + connect(geocodeReply, SIGNAL(error(QGeoCodeReply::Error,QString)), + this, SLOT(replyError(QGeoCodeReply::Error,QString))); + + return geocodeReply; +} + +void GeoCodingManagerEngineEsri::replyFinished() +{ + QGeoCodeReply *reply = qobject_cast<QGeoCodeReply *>(sender()); + if (reply) + emit finished(reply); +} + +void GeoCodingManagerEngineEsri::replyError(QGeoCodeReply::Error errorCode, + const QString &errorString) +{ + QGeoCodeReply *reply = qobject_cast<QGeoCodeReply *>(sender()); + if (reply) + emit error(reply, errorCode, errorString); +} + +QT_END_NAMESPACE |