/// <summary>
/// This method produces instances of type <see cref="MultiPolygon"/>.
/// </summary>
/// <returns>The created geometries</returns>
internal override Collection<SimpleGisShape> createGeometries()
{
SimpleGisShape shp = null;
IPathNode multiPolygonNode = new PathNode(_GMLNS, "MultiPolygon", (NameTable)_xmlReader.NameTable);
IPathNode multiSurfaceNode = new PathNode(_GMLNS, "MultiSurface", (NameTable)_xmlReader.NameTable);
IPathNode multiPolygonNodeAlt = new AlternativePathNodesCollection(multiPolygonNode, multiSurfaceNode);
IPathNode polygonMemberNode = new PathNode(_GMLNS, "polygonMember", (NameTable)_xmlReader.NameTable);
IPathNode surfaceMemberNode = new PathNode(_GMLNS, "surfaceMember", (NameTable)_xmlReader.NameTable);
IPathNode polygonMemberNodeAlt = new AlternativePathNodesCollection(polygonMemberNode, surfaceMemberNode);
IPathNode linearRingNode = new PathNode(_GMLNS, "LinearRing", (NameTable)_xmlReader.NameTable);
string[] labelValue = new string[1];
try
{
ParseBoundingBox();
// Reading the entire feature's node makes it possible to collect label values that may appear before or after the geometry property
while ((_featureReader = GetSubReaderOf(_xmlReader, null, _featureNode)) != null)
{
while ((_geomReader = GetSubReaderOf(_featureReader, null, _propertyNode)) != null)
{
bool isSelected;
int uid;
List<string> ll = ParseProperties(_geomReader, out isSelected, out uid);
_geomReader = GetSubReaderOf(_featureReader, labelValue, multiPolygonNodeAlt, polygonMemberNodeAlt);
GeometryFactory geomFactory = new PolygonFactory(_geomReader, _featureTypeInfo, _fieldNames);
Collection<SimpleGisShape> shpPolygons = geomFactory.createGeometries();
var polygons = new List<IPolygon>();
foreach (var shp1 in shpPolygons)
{
polygons.Add(shp1.Geometry as IPolygon);
}
MultiPolygon multiPolygon = new MultiPolygon(polygons.ToArray());
shp = new SimpleGisShape(multiPolygon);
shp.IsSelected = isSelected;
shp.UID = uid;
_shapes.Add(shp);
FillShapeFields(shp, ll);
}
}
}
catch (Exception ex)
{
throw ex;
}
return _shapes;
}
/// <summary>
/// This method produces instances of type Polygon/>.
/// </summary>
/// <returns>The created geometries</returns>
internal override Collection<SimpleGisShape> createGeometries()
{
SimpleGisShape shp = null;
XmlReader outerBoundaryReader = null;
XmlReader innerBoundariesReader = null;
IPathNode polygonNode = new PathNode(_GMLNS, "Polygon", (NameTable)_xmlReader.NameTable);
IPathNode outerBoundaryNode = new PathNode(_GMLNS, "outerBoundaryIs", (NameTable)_xmlReader.NameTable);
IPathNode exteriorNode = new PathNode(_GMLNS, "exterior", (NameTable)_xmlReader.NameTable);
IPathNode outerBoundaryNodeAlt = new AlternativePathNodesCollection(outerBoundaryNode, exteriorNode);
IPathNode innerBoundaryNode = new PathNode(_GMLNS, "innerBoundaryIs", (NameTable)_xmlReader.NameTable);
IPathNode interiorNode = new PathNode(_GMLNS, "interior", (NameTable)_xmlReader.NameTable);
IPathNode innerBoundaryNodeAlt = new AlternativePathNodesCollection(innerBoundaryNode, interiorNode);
IPathNode linearRingNode = new PathNode(_GMLNS, "LinearRing", (NameTable)_xmlReader.NameTable);
string[] labelValue = new string[1];
try
{
ParseBoundingBox();
// Reading the entire feature's node makes it possible to collect label values that may appear before or after the geometry property
while ((_featureReader = GetSubReaderOf(_xmlReader, null, _featureNode)) != null)
{
while ((_geomReader = GetSubReaderOf(_featureReader, null, _propertyNode)) != null)
{
bool isSelected;
int uid;
List<string> ll = ParseProperties(_geomReader, out isSelected, out uid);
_geomReader = GetSubReaderOf(_featureReader, labelValue, polygonNode);
ILinearRing shell = null;
List<ILinearRing> holes = new List<ILinearRing>();
if (
(outerBoundaryReader =
GetSubReaderOf(_geomReader, null, outerBoundaryNodeAlt, linearRingNode, _CoordinatesNode)) !=
null)
shell = new LinearRing(ParseCoordinates(outerBoundaryReader));
while (
(innerBoundariesReader =
GetSubReaderOf(_geomReader, null, innerBoundaryNodeAlt, linearRingNode, _CoordinatesNode)) !=
null)
holes.Add(new LinearRing(ParseCoordinates(innerBoundariesReader)));
Polygon polygon = new Polygon(shell, holes.ToArray());
shp = new SimpleGisShape(polygon);
shp.IsSelected = isSelected;
shp.UID = uid;
_shapes.Add(shp);
FillShapeFields(shp, ll);
}
}
}
catch (Exception ex)
{
throw ex;
}
return _shapes;
}
internal string DetectGeometryType()
{
string geometryTypeString = string.Empty;
string serviceException = null;
if (_QuickGeometries) _MultiGeometries = false;
IPathNode pointNode = new PathNode(_GMLNS, "Point", (NameTable)_xmlReader.NameTable);
IPathNode lineStringNode = new PathNode(_GMLNS, "LineString", (NameTable)_xmlReader.NameTable);
IPathNode polygonNode = new PathNode(_GMLNS, "Polygon", (NameTable)_xmlReader.NameTable);
IPathNode multiPointNode = new PathNode(_GMLNS, "MultiPoint", (NameTable)_xmlReader.NameTable);
IPathNode multiLineStringNode = new PathNode(_GMLNS, "MultiLineString", (NameTable)_xmlReader.NameTable);
IPathNode multiCurveNode = new PathNode(_GMLNS, "MultiCurve", (NameTable)_xmlReader.NameTable);
IPathNode multiLineStringNodeAlt = new AlternativePathNodesCollection(multiLineStringNode, multiCurveNode);
IPathNode multiPolygonNode = new PathNode(_GMLNS, "MultiPolygon", (NameTable)_xmlReader.NameTable);
IPathNode multiSurfaceNode = new PathNode(_GMLNS, "MultiSurface", (NameTable)_xmlReader.NameTable);
IPathNode multiPolygonNodeAlt = new AlternativePathNodesCollection(multiPolygonNode, multiSurfaceNode);
while (_xmlReader.Read())
{
if (_xmlReader.NodeType == XmlNodeType.Element)
{
if (_MultiGeometries)
{
if (multiPointNode.Matches(_xmlReader))
{
geometryTypeString = "MultiPointPropertyType";
break;
}
if (multiLineStringNodeAlt.Matches(_xmlReader))
{
geometryTypeString = "MultiLineStringPropertyType";
break;
}
if (multiPolygonNodeAlt.Matches(_xmlReader))
{
geometryTypeString = "MultiPolygonPropertyType";
break;
}
}
if (pointNode.Matches(_xmlReader))
{
geometryTypeString = "PointPropertyType";
break;
}
if (lineStringNode.Matches(_xmlReader))
{
geometryTypeString = "LineStringPropertyType";
break;
}
if (polygonNode.Matches(_xmlReader))
{
geometryTypeString = "PolygonPropertyType";
break;
}
if (_serviceExceptionNode.Matches(_xmlReader))
{
serviceException = _xmlReader.ReadInnerXml();
throw new Exception("A service exception occured: " + serviceException);
}
}
}
return geometryTypeString;
}
/// <summary>
/// This method initializes path nodes needed by the derived classes.
/// </summary>
private void initializePathNodes()
{
IPathNode coordinatesNode = new PathNode("http://www.opengis.net/gml", "coordinates",
(NameTable)_xmlReader.NameTable);
IPathNode posListNode = new PathNode("http://www.opengis.net/gml", "posList",
(NameTable)_xmlReader.NameTable);
IPathNode ogcServiceExceptionNode = new PathNode("http://www.opengis.net/ogc", "ServiceException",
(NameTable)_xmlReader.NameTable);
IPathNode serviceExceptionNode = new PathNode("", "ServiceException", (NameTable)_xmlReader.NameTable);
//ServiceExceptions without ogc prefix are returned by deegree. PDD.
IPathNode exceptionTextNode = new PathNode("http://www.opengis.net/ows", "ExceptionText",
(NameTable)_xmlReader.NameTable);
_CoordinatesNode = new AlternativePathNodesCollection(coordinatesNode, posListNode);
_serviceExceptionNode = new AlternativePathNodesCollection(ogcServiceExceptionNode, exceptionTextNode,
serviceExceptionNode);
_featureNode = new PathNode(_featureTypeInfo.FeatureTypeNamespace, _featureTypeInfo.Name,
(NameTable)_xmlReader.NameTable);
_propertyNode = new PathNode("http://www.itacasoft.com/GML", "PROPERTIES",
(NameTable)_xmlReader.NameTable);
_boundedByNode = new PathNode("http://www.opengis.net/gml", "boundedBy",
(NameTable)_xmlReader.NameTable);
}
/// <summary>
/// This method detects the geometry type from 'GetFeature' response and uses a geometry factory to create the
/// appropriate geometries.
/// </summary>
/// <returns>Collection of GIS elements</returns>
internal override Collection<SimpleGisShape> createGeometries()
{
GeometryFactory geomFactory = null;
string geometryTypeString = string.Empty;
string serviceException = null;
if (_QuickGeometries) _MultiGeometries = false;
IPathNode pointNode = new PathNode(_GMLNS, "Point", (NameTable)_xmlReader.NameTable);
IPathNode lineStringNode = new PathNode(_GMLNS, "LineString", (NameTable)_xmlReader.NameTable);
IPathNode polygonNode = new PathNode(_GMLNS, "Polygon", (NameTable)_xmlReader.NameTable);
IPathNode multiPointNode = new PathNode(_GMLNS, "MultiPoint", (NameTable)_xmlReader.NameTable);
IPathNode multiLineStringNode = new PathNode(_GMLNS, "MultiLineString", (NameTable)_xmlReader.NameTable);
IPathNode multiCurveNode = new PathNode(_GMLNS, "MultiCurve", (NameTable)_xmlReader.NameTable);
IPathNode multiLineStringNodeAlt = new AlternativePathNodesCollection(multiLineStringNode, multiCurveNode);
IPathNode multiPolygonNode = new PathNode(_GMLNS, "MultiPolygon", (NameTable)_xmlReader.NameTable);
IPathNode multiSurfaceNode = new PathNode(_GMLNS, "MultiSurface", (NameTable)_xmlReader.NameTable);
IPathNode multiPolygonNodeAlt = new AlternativePathNodesCollection(multiPolygonNode, multiSurfaceNode);
while (_xmlReader.Read())
{
if (_xmlReader.NodeType == XmlNodeType.Element)
{
if (_MultiGeometries)
{
if (multiPointNode.Matches(_xmlReader))
{
geomFactory = new MultiPointFactory(_xmlReader, _featureTypeInfo, _fieldNames);
geometryTypeString = "MultiPointPropertyType";
break;
}
if (multiLineStringNodeAlt.Matches(_xmlReader))
{
geomFactory = new MultiLineStringFactory(_xmlReader, _featureTypeInfo, _fieldNames);
geometryTypeString = "MultiLineStringPropertyType";
break;
}
if (multiPolygonNodeAlt.Matches(_xmlReader))
{
geomFactory = new MultiPolygonFactory(_xmlReader, _featureTypeInfo, _fieldNames);
geometryTypeString = "MultiPolygonPropertyType";
break;
}
}
if (pointNode.Matches(_xmlReader))
{
geomFactory = new PointFactory(_xmlReader, _featureTypeInfo, _fieldNames);
geometryTypeString = "PointPropertyType";
_featureTypeInfo.Geometry._GeometryType = "PointPropertyType";
break;
}
if (lineStringNode.Matches(_xmlReader))
{
geomFactory = new LineStringFactory(_xmlReader, _featureTypeInfo, _fieldNames);
geometryTypeString = "LineStringPropertyType";
break;
}
if (polygonNode.Matches(_xmlReader))
{
geomFactory = new PolygonFactory(_xmlReader, _featureTypeInfo, _fieldNames);
geometryTypeString = "PolygonPropertyType";
break;
}
if (_serviceExceptionNode.Matches(_xmlReader))
{
serviceException = _xmlReader.ReadInnerXml();
throw new Exception("A service exception occured: " + serviceException);
}
}
}
_featureTypeInfo.Geometry._GeometryType = geometryTypeString;
if (geomFactory != null)
return geomFactory.createGeometries();
return _shapes;
}