#6535 Support WFS Post GetFeature Request in QGIS-Server

Author: rldhont

src/core/qgsgeometry.cpp

@@ -536,14 +536,24 @@ QgsGeometry* QgsGeometry::fromRect( const QgsRectangle& rect )
 static const QString GML_NAMESPACE = "http://www.opengis.net/gml";
 QgsGeometry* QgsGeometry::fromGML2( const QDomNode& geometryNode )
 {
-  QDomNode geometryChild = geometryNode.firstChild();
-  if ( geometryChild.isNull() )
-  {
-    return 0;
-  }
   QgsGeometry* g = new QgsGeometry();
-  QDomElement geometryTypeElement = geometryChild.toElement();
+  QDomElement geometryTypeElement = geometryNode.toElement();
   QString geomType = geometryTypeElement.tagName();
+
+  if ( !( geomType == "Point" || geomType == "LineString" || geomType == "Polygon" || geomType == "MultiPoint" || geomType == "MultiLineString" || geomType == "MultiPolygon") )
+  {
+    QDomNode geometryChild = geometryNode.firstChild();
+    if ( geometryChild.isNull() )
+    {
+      return 0;
+    }
+    geometryTypeElement = geometryChild.toElement();
+    geomType = geometryTypeElement.tagName();
+  }
+
+  if ( !( geomType == "Point" || geomType == "LineString" || geomType == "Polygon" || geomType == "MultiPoint" || geomType == "MultiLineString" || geomType == "MultiPolygon") )
+    return 0;
+
   if ( geomType == "Point" )
   {
     g->setFromGML2Point( geometryTypeElement );

src/mapserver/CMakeLists.txt

@@ -34,6 +34,7 @@ SET ( qgis_mapserv_SRCS
   qgsbetweenfilter.cpp
   qgscomparisonfilter.cpp
   qgslogicalfilter.cpp
+  qgsspatialfilter.cpp
   qgsftptransaction.cpp
   qgsmslayerbuilder.cpp 
   qgshostedvdsbuilder.cpp

src/mapserver/qgsfilter.cpp

@@ -19,6 +19,7 @@
 #include "qgsbetweenfilter.h"
 #include "qgscomparisonfilter.h"
 #include "qgslogicalfilter.h"
+#include "qgsspatialfilter.h"
 #include "qgsvectordataprovider.h"
 #include <QDomElement>
 #include <QStringList>
@@ -56,7 +57,8 @@ QgsFilter* QgsFilter::createFilterFromXml( const QDomElement& filterElem, QgsVec
   }
 
   //Name of the element indicates the type of filter
-  QString filterName = filterElem.localName();
+  //using tagName and to upper for interoperability
+  QString filterName = filterElem.tagName().toUpper();
 
   if ( filterName == "AND" || filterName == "OR" || filterName == "NOT" )
   {
@@ -91,6 +93,112 @@ QgsFilter* QgsFilter::createFilterFromXml( const QDomElement& filterElem, QgsVec
     }
     delete subFilter1; delete subFilter2; return 0;
   }
+  // if the filter is spatial
+  if ( filterName == "BBOX" || filterName == "CONTAINS" || filterName == "CROSSES" || filterName == "DISJOINT" || filterName == "EQUALS" || filterName == "INTERSECTS" || filterName == "OVERLAPS" || filterName == "TOUCHES" || filterName == "WITHIN" )
+  {
+    QgsGeometry* geom;
+
+    QDomNodeList bNodes = filterElem.elementsByTagName( "Box" );
+    if ( bNodes.size() > 0 ) {
+      QDomElement bElem = bNodes.at( 0 ).toElement().firstChild().toElement();
+      QString coordSeparator = ",";
+      QString tupelSeparator = " ";
+      if ( bElem.hasAttribute( "cs" ) )
+      {
+        coordSeparator = bElem.attribute( "cs" );
+      }
+      if ( bElem.hasAttribute( "ts" ) )
+      {
+        tupelSeparator = bElem.attribute( "ts" );
+      }
+
+      QString bString = bElem.text();
+      bool conversionSuccess;
+      double minx = bString.section( tupelSeparator, 0, 0 ).section( coordSeparator, 0, 0 ).toDouble( &conversionSuccess );
+      double miny = bString.section( tupelSeparator, 0, 0 ).section( coordSeparator, 1, 1 ).toDouble( &conversionSuccess );
+      double maxx = bString.section( tupelSeparator, 1, 1 ).section( coordSeparator, 0, 0 ).toDouble( &conversionSuccess );
+      double maxy = bString.section( tupelSeparator, 1, 1 ).section( coordSeparator, 1, 1 ).toDouble( &conversionSuccess );
+      QgsRectangle* rect = new QgsRectangle( minx, miny, maxx, maxy );
+      geom = QgsGeometry::fromRect( *rect );
+    }
+
+    if ( !geom )
+    {
+      QDomNodeList gNodes = filterElem.elementsByTagName( "Point" );
+      if ( gNodes.size() > 0 ) {
+        QDomElement gElem = gNodes.at( 0 ).toElement();
+        geom = QgsGeometry::fromGML2( gElem );
+      }
+    }
+
+    if ( !geom )
+    {
+      QDomNodeList gNodes = filterElem.elementsByTagName( "LineString" );
+      if ( gNodes.size() > 0 ) {
+        QDomElement gElem = gNodes.at( 0 ).toElement();
+        geom = QgsGeometry::fromGML2( gElem );
+      }
+    }
+
+    if ( !geom )
+    {
+      QDomNodeList gNodes = filterElem.elementsByTagName( "Polygon" );
+      if ( gNodes.size() > 0 ) {
+        QDomElement gElem = gNodes.at( 0 ).toElement();
+        geom = QgsGeometry::fromGML2( gElem );
+      }
+    }
+
+    if ( !geom )
+    {
+      QDomNodeList gNodes = filterElem.elementsByTagName( "MultiPoint" );
+      if ( gNodes.size() > 0 ) {
+        QDomElement gElem = gNodes.at( 0 ).toElement();
+        geom = QgsGeometry::fromGML2( gElem );
+      }
+    }
+
+    if ( !geom )
+    {
+      QDomNodeList gNodes = filterElem.elementsByTagName( "MultiLineString" );
+      if ( gNodes.size() > 0 ) {
+        QDomElement gElem = gNodes.at( 0 ).toElement();
+        geom = QgsGeometry::fromGML2( gElem );
+      }
+    }
+
+    if ( !geom )
+    {
+      QDomNodeList gNodes = filterElem.elementsByTagName( "MultiPolygon" );
+      if ( gNodes.size() > 0 ) {
+        QDomElement gElem = gNodes.at( 0 ).toElement();
+        geom = QgsGeometry::fromGML2( gElem );
+      }
+    }
+
+    if ( !geom )
+      return 0;
+
+    if ( filterName == "BBOX" )
+      return new QgsSpatialFilter( QgsSpatialFilter::BBOX, geom );
+    if ( filterName == "CONTAINS" )
+      return new QgsSpatialFilter( QgsSpatialFilter::CONTAINS, geom );
+    if ( filterName == "CROSSES" )
+      return new QgsSpatialFilter( QgsSpatialFilter::CROSSES, geom );
+    if ( filterName == "DISJOINT" )
+      return new QgsSpatialFilter( QgsSpatialFilter::DISJOINT, geom );
+    if ( filterName == "EQUALS" )
+      return new QgsSpatialFilter( QgsSpatialFilter::EQUALS, geom );
+    if ( filterName == "INTERSECTS" )
+      return new QgsSpatialFilter( QgsSpatialFilter::INTERSECTS, geom );
+    if ( filterName == "OVERLAPS" )
+      return new QgsSpatialFilter( QgsSpatialFilter::OVERLAPS, geom );
+    if ( filterName == "TOUCHES" )
+      return new QgsSpatialFilter( QgsSpatialFilter::TOUCHES, geom );
+    if ( filterName == "WITHIN" )
+      return new QgsSpatialFilter( QgsSpatialFilter::WITHIN, geom );
+    return 0;
+  }
 
   //assume it must be a comparison filter
 
@@ -153,33 +261,33 @@ QgsFilter* QgsFilter::createFilterFromXml( const QDomElement& filterElem, QgsVec
   //now create the filter
 
   //comparison filter?
-  if ( filterName == "PropertyIsEqualTo" )
+  if ( filterName == "PROPERTYISEQUALTO" )
   {
     return new QgsComparisonFilter( attributeIndex, QgsComparisonFilter::EQUAL, literalList.at( 0 ) );
   }
-  else if ( filterName == "PropertyIsNotEqualTo" )
+  else if ( filterName == "PROPERTYISNOTEQUALTO" )
   {
     return new QgsComparisonFilter( attributeIndex, QgsComparisonFilter::NOT_EQUAL, literalList.at( 0 ) );
   }
-  else if ( filterName == "PropertyIsLessThan" )
+  else if ( filterName == "PROPERTYISLESSTHAN" )
   {
     return new QgsComparisonFilter( attributeIndex, QgsComparisonFilter::LESSER, literalList.at( 0 ) );
   }
-  else if ( filterName == "PropertyIsGreaterThan" )
+  else if ( filterName == "PROPERTYISGREATERTHAN" )
   {
     return new QgsComparisonFilter( attributeIndex, QgsComparisonFilter::GREATER, literalList.at( 0 ) );
   }
-  else if ( filterName == "PropertyIsLessThanOrEqualTo" )
+  else if ( filterName == "PROPERTYISLESSTHANOREQUALTO" )
   {
     return new QgsComparisonFilter( attributeIndex, QgsComparisonFilter::LESSER_OR_EQUAL, literalList.at( 0 ) );
   }
-  else if ( filterName == "PropertyIsGreaterThanOrEqualTo" )
+  else if ( filterName == "PROPERTYISGREATERTHANOREQUALTO" )
   {
     return new QgsComparisonFilter( attributeIndex, QgsComparisonFilter::GREATER_OR_EQUAL, literalList.at( 0 ) );
   }
 
   //between filter?
-  else if ( filterName == "PropertyIsBetween" )
+  else if ( filterName == "PROPERTYISBETWEEN" )
   {
     return new QgsBetweenFilter( attributeIndex, literalList.at( 0 ), literalList.at( 1 ) );
   }

src/mapserver/qgspostrequesthandler.cpp

@@ -60,7 +60,7 @@ QMap<QString, QString> QgsPostRequestHandler::parseInput()
     QDomElement docElem = doc.documentElement();
     parameters.insert( "VERSION", docElem.attribute( "version" ) );
     parameters.insert( "SERVICE", docElem.attribute( "service" ) );
-    parameters.insert( "REQUEST", docElem.localName() );
+    parameters.insert( "REQUEST", docElem.tagName() );
     parameters.insert( "REQUEST_BODY", inputString );
   }