QGIS API Documentation 3.28.0-Firenze (ed3ad0430f)
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QgsArcGisRestQueryUtils Class Reference
core library

Utility functions for querying ArcGIS REST services. More...

#include <qgsarcgisrestquery.h>

Public Types

enum class  ServiceTypeFilter { AllTypes , Vector , Raster }
 Service types. More...
 

Static Public Member Functions

static void addLayerItems (const std::function< void(const QString &parentLayerId, ServiceTypeFilter serviceType, QgsWkbTypes::GeometryType geometryType, const QString &layerId, const QString &name, const QString &description, const QString &url, bool isParentLayer, const QString &authid, const QString &format)> &visitor, const QVariantMap &serviceData, const QString &parentUrl, const QString &parentSupportedFormats, const ServiceTypeFilter filter=ServiceTypeFilter::AllTypes)
 Calls the specified visitor function on all layer items found within the given service data. More...
 
static QgsRectangle getExtent (const QString &layerurl, const QString &whereClause, const QString &authcfg, const QgsHttpHeaders &requestHeaders=QgsHttpHeaders())
 Retrieves the extent for the features matching a whereClause. More...
 
static QVariantMap getLayerInfo (const QString &layerurl, const QString &authcfg, QString &errorTitle, QString &errorText, const QgsHttpHeaders &requestHeaders=QgsHttpHeaders())
 Retrieves JSON layer info for the specified layer URL. More...
 
static QVariantMap getObjectIds (const QString &layerurl, const QString &authcfg, QString &errorTitle, QString &errorText, const QgsHttpHeaders &requestHeaders=QgsHttpHeaders(), const QgsRectangle &bbox=QgsRectangle(), const QString &whereClause=QString())
 Retrieves all object IDs for the specified layer URL. More...
 
static QList< quint32 > getObjectIdsByExtent (const QString &layerurl, const QgsRectangle &filterRect, QString &errorTitle, QString &errorText, const QString &authcfg, const QgsHttpHeaders &requestHeaders=QgsHttpHeaders(), QgsFeedback *feedback=nullptr, const QString &whereClause=QString())
 Gets a list of object IDs which fall within the specified extent. More...
 
static QVariantMap getObjects (const QString &layerurl, const QString &authcfg, const QList< quint32 > &objectIds, const QString &crs, bool fetchGeometry, const QStringList &fetchAttributes, bool fetchM, bool fetchZ, const QgsRectangle &filterRect, QString &errorTitle, QString &errorText, const QgsHttpHeaders &requestHeaders=QgsHttpHeaders(), QgsFeedback *feedback=nullptr)
 Retrieves all matching objects from the specified layer URL. More...
 
static QVariantMap getServiceInfo (const QString &baseurl, const QString &authcfg, QString &errorTitle, QString &errorText, const QgsHttpHeaders &requestHeaders=QgsHttpHeaders())
 Retrieves JSON service info for the specified base URL. More...
 
static QUrl parseUrl (const QUrl &url, bool *isTestEndpoint=nullptr)
 Parses and processes a url. More...
 
static QByteArray queryService (const QUrl &url, const QString &authcfg, QString &errorTitle, QString &errorText, const QgsHttpHeaders &requestHeaders=QgsHttpHeaders(), QgsFeedback *feedback=nullptr, QString *contentType=nullptr)
 Performs a blocking request to a URL and returns the retrieved data. More...
 
static QVariantMap queryServiceJSON (const QUrl &url, const QString &authcfg, QString &errorTitle, QString &errorText, const QgsHttpHeaders &requestHeaders=QgsHttpHeaders(), QgsFeedback *feedback=nullptr)
 Performs a blocking request to a URL and returns the retrieved JSON content. More...
 
static void visitFolderItems (const std::function< void(const QString &folderName, const QString &url)> &visitor, const QVariantMap &serviceData, const QString &baseUrl)
 Calls the specified visitor function on all folder items found within the given service data. More...
 
static void visitServiceItems (const std::function< void(const QString &serviceName, const QString &url, Qgis::ArcGisRestServiceType serviceType)> &visitor, const QVariantMap &serviceData, const QString &baseUrl)
 Calls the specified visitor function on all service items found within the given service data. More...
 

Friends

class TestQgsArcGisRestUtils
 

Detailed Description

Utility functions for querying ArcGIS REST services.

Since
QGIS 3.18

Definition at line 37 of file qgsarcgisrestquery.h.

Member Enumeration Documentation

◆ ServiceTypeFilter

enum class QgsArcGisRestQueryUtils::ServiceTypeFilter
strong

Service types.

Enumerator
AllTypes 

All types.

Vector 

Vector type.

Raster 

Raster type.

Definition at line 44 of file qgsarcgisrestquery.h.

Member Function Documentation

◆ addLayerItems()

void QgsArcGisRestQueryUtils::addLayerItems ( const std::function< void(const QString &parentLayerId, ServiceTypeFilter serviceType, QgsWkbTypes::GeometryType geometryType, const QString &layerId, const QString &name, const QString &description, const QString &url, bool isParentLayer, const QString &authid, const QString &format)> &  visitor,
const QVariantMap &  serviceData,
const QString &  parentUrl,
const QString &  parentSupportedFormats,
const ServiceTypeFilter  filter = ServiceTypeFilter::AllTypes 
)
static

Calls the specified visitor function on all layer items found within the given service data.

Definition at line 376 of file qgsarcgisrestquery.cpp.

◆ getExtent()

QgsRectangle QgsArcGisRestQueryUtils::getExtent ( const QString &  layerurl,
const QString &  whereClause,
const QString &  authcfg,
const QgsHttpHeaders &  requestHeaders = QgsHttpHeaders() 
)
static

Retrieves the extent for the features matching a whereClause.

Since
QGIS 3.28

Definition at line 71 of file qgsarcgisrestquery.cpp.

◆ getLayerInfo()

QVariantMap QgsArcGisRestQueryUtils::getLayerInfo ( const QString &  layerurl,
const QString &  authcfg,
QString &  errorTitle,
QString &  errorText,
const QgsHttpHeaders &  requestHeaders = QgsHttpHeaders() 
)
static

Retrieves JSON layer info for the specified layer URL.

Definition at line 41 of file qgsarcgisrestquery.cpp.

◆ getObjectIds()

QVariantMap QgsArcGisRestQueryUtils::getObjectIds ( const QString &  layerurl,
const QString &  authcfg,
QString &  errorTitle,
QString &  errorText,
const QgsHttpHeaders &  requestHeaders = QgsHttpHeaders(),
const QgsRectangle &  bbox = QgsRectangle(),
const QString &  whereClause = QString() 
)
static

Retrieves all object IDs for the specified layer URL.

Definition at line 51 of file qgsarcgisrestquery.cpp.

◆ getObjectIdsByExtent()

QList< quint32 > QgsArcGisRestQueryUtils::getObjectIdsByExtent ( const QString &  layerurl,
const QgsRectangle &  filterRect,
QString &  errorTitle,
QString &  errorText,
const QString &  authcfg,
const QgsHttpHeaders &  requestHeaders = QgsHttpHeaders(),
QgsFeedback *  feedback = nullptr,
const QString &  whereClause = QString() 
)
static

Gets a list of object IDs which fall within the specified extent.

Definition at line 140 of file qgsarcgisrestquery.cpp.

◆ getObjects()

QVariantMap QgsArcGisRestQueryUtils::getObjects ( const QString &  layerurl,
const QString &  authcfg,
const QList< quint32 > &  objectIds,
const QString &  crs,
bool  fetchGeometry,
const QStringList &  fetchAttributes,
bool  fetchM,
bool  fetchZ,
const QgsRectangle &  filterRect,
QString &  errorTitle,
QString &  errorText,
const QgsHttpHeaders &  requestHeaders = QgsHttpHeaders(),
QgsFeedback *  feedback = nullptr 
)
static

Retrieves all matching objects from the specified layer URL.

Definition at line 98 of file qgsarcgisrestquery.cpp.

◆ getServiceInfo()

QVariantMap QgsArcGisRestQueryUtils::getServiceInfo ( const QString &  baseurl,
const QString &  authcfg,
QString &  errorTitle,
QString &  errorText,
const QgsHttpHeaders &  requestHeaders = QgsHttpHeaders() 
)
static

Retrieves JSON service info for the specified base URL.

Definition at line 31 of file qgsarcgisrestquery.cpp.

◆ parseUrl()

QUrl QgsArcGisRestQueryUtils::parseUrl ( const QUrl &  url,
bool *  isTestEndpoint = nullptr 
)
static

Parses and processes a url.

Definition at line 241 of file qgsarcgisrestquery.cpp.

◆ queryService()

QByteArray QgsArcGisRestQueryUtils::queryService ( const QUrl &  url,
const QString &  authcfg,
QString &  errorTitle,
QString &  errorText,
const QgsHttpHeaders &  requestHeaders = QgsHttpHeaders(),
QgsFeedback *  feedback = nullptr,
QString *  contentType = nullptr 
)
static

Performs a blocking request to a URL and returns the retrieved data.

Definition at line 170 of file qgsarcgisrestquery.cpp.

◆ queryServiceJSON()

QVariantMap QgsArcGisRestQueryUtils::queryServiceJSON ( const QUrl &  url,
const QString &  authcfg,
QString &  errorTitle,
QString &  errorText,
const QgsHttpHeaders &  requestHeaders = QgsHttpHeaders(),
QgsFeedback *  feedback = nullptr 
)
static

Performs a blocking request to a URL and returns the retrieved JSON content.

Definition at line 210 of file qgsarcgisrestquery.cpp.

◆ visitFolderItems()

void QgsArcGisRestQueryUtils::visitFolderItems ( const std::function< void(const QString &folderName, const QString &url)> &  visitor,
const QVariantMap &  serviceData,
const QString &  baseUrl 
)
static

Calls the specified visitor function on all folder items found within the given service data.

Definition at line 315 of file qgsarcgisrestquery.cpp.

◆ visitServiceItems()

void QgsArcGisRestQueryUtils::visitServiceItems ( const std::function< void(const QString &serviceName, const QString &url, Qgis::ArcGisRestServiceType serviceType)> &  visitor,
const QVariantMap &  serviceData,
const QString &  baseUrl 
)
static

Calls the specified visitor function on all service items found within the given service data.

Definition at line 334 of file qgsarcgisrestquery.cpp.

Friends And Related Function Documentation

◆ TestQgsArcGisRestUtils

friend class TestQgsArcGisRestUtils
friend

Definition at line 123 of file qgsarcgisrestquery.h.

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