Support different xml root element for feature info response (WMSFeatureInfoDocumentName)

Author: mhugent

src/mapserver/qgsconfigparser.h

@@ -116,6 +116,8 @@ class QgsConfigParser
     /**Returns map with layer aliases for GetFeatureInfo (or 0 pointer if not supported). Key: layer name, Value: layer alias*/
     virtual QHash<QString, QString> featureInfoLayerAliasMap() const { return QHash<QString, QString>(); }
 
+    virtual QString featureInfoDocumentName( const QString& defaultValue ) const { return defaultValue; }
+
   protected:
     /**Parser to forward not resolved requests (e.g. SLD parser based on user request might have a fallback parser with admin configuration)*/
     QgsConfigParser* mFallbackParser;

src/mapserver/qgsprojectparser.cpp

@@ -1397,6 +1397,21 @@ QHash<QString, QString> QgsProjectParser::featureInfoLayerAliasMap() const
   return aliasMap;
 }
 
+QString QgsProjectParser::featureInfoDocumentName( const QString& defaultValue ) const
+{
+  QDomElement propertiesElem = mXMLDoc->documentElement().firstChildElement( "properties" );
+  if ( propertiesElem.isNull() )
+  {
+    return defaultValue;
+  }
+  QDomElement featureInfoDocumentNameElem = propertiesElem.firstChildElement( "WMSFeatureInfoDocumentName" );
+  if ( featureInfoDocumentNameElem.isNull() )
+  {
+    return defaultValue;
+  }
+  return featureInfoDocumentNameElem.text();
+}
+
 QString QgsProjectParser::convertToAbsolutePath( const QString& file ) const
 {
   if ( !file.startsWith( "./" ) && !file.startsWith( "../" ) )

src/mapserver/qgsprojectparser.h

@@ -104,6 +104,8 @@ class QgsProjectParser: public QgsConfigParser
     /**Returns map with layer aliases for GetFeatureInfo (or 0 pointer if not supported). Key: layer name, Value: layer alias*/
     virtual QHash<QString, QString> featureInfoLayerAliasMap() const;
 
+    virtual QString featureInfoDocumentName( const QString& defaultValue ) const;
+
   private:
 
     //forbidden

src/mapserver/qgswmsserver.cpp

@@ -803,7 +803,7 @@ int QgsWMSServer::getFeatureInfo( QDomDocument& result, QString version )
   QStringList layerIds = layerSet( layersList, stylesList, mMapRenderer->destinationCrs() );
   QMap<QString, QString> originalLayerFilters = applyRequestedLayerFilters( layersList );
 
-  QDomElement getFeatureInfoElement = result.createElement( "GetFeatureInfoResponse" );
+  QDomElement getFeatureInfoElement = result.createElement( mConfigParser->featureInfoDocumentName( "GetFeatureInfoResponse" ) );
   result.appendChild( getFeatureInfoElement );
 
   QStringList nonIdentifiableLayers = mConfigParser->identifyDisabledLayers();