/// <summary>
/// This method detects the geometry type from 'GetFeature' response and uses a geometry factory to create the
/// appropriate geometries.
/// </summary>
/// <returns></returns>
internal override Collection<Geometry> CreateGeometries(Features features)
{
GeometryFactory geomFactory = null;
string geometryTypeString = string.Empty;
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(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "MultiPointPropertyType";
break;
}
if (multiLineStringNodeAlt.Matches(XmlReader))
{
geomFactory = new MultiLineStringFactory(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "MultiLineStringPropertyType";
break;
}
if (multiPolygonNodeAlt.Matches(XmlReader))
{
geomFactory = new MultiPolygonFactory(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "MultiPolygonPropertyType";
break;
}
}
if (pointNode.Matches(XmlReader))
{
geomFactory = new PointFactory(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "PointPropertyType";
break;
}
if (lineStringNode.Matches(XmlReader))
{
geomFactory = new LineStringFactory(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "LineStringPropertyType";
break;
}
if (polygonNode.Matches(XmlReader))
{
geomFactory = new PolygonFactory(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "PolygonPropertyType";
break;
}
if (ServiceExceptionNode.Matches(XmlReader))
{
string serviceException = XmlReader.ReadInnerXml();
Trace.TraceError("A service exception occured: " + serviceException);
throw new Exception("A service exception occured: " + serviceException);
}
}
}
FeatureTypeInfo.Geometry.GeometryType = geometryTypeString;
if (geomFactory == null) return Geoms;
geomFactory.CreateGeometries(features);
return Geoms;
}
/// <summary>
/// This method produces instances of type <see cref="Mapsui.Geometries.Polygon"/>.
/// </summary>
/// <returns>The created geometries</returns>
internal override Collection<Geometry> CreateGeometries(Features features)
{
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);
var labelValue = new string[1];
bool geomFound = false;
try
{
// 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, labelValue, polygonNode)) != null)
{
var polygon = new Polygon();
XmlReader outerBoundaryReader;
if (
(outerBoundaryReader =
GetSubReaderOf(GeomReader, null, outerBoundaryNodeAlt, linearRingNode, CoordinatesNode)) !=
null)
polygon.ExteriorRing = new LinearRing(ParseCoordinates(outerBoundaryReader));
XmlReader innerBoundariesReader;
while (
(innerBoundariesReader =
GetSubReaderOf(GeomReader, null, innerBoundaryNodeAlt, linearRingNode, CoordinatesNode)) !=
null)
polygon.InteriorRings.Add(new LinearRing(ParseCoordinates(innerBoundariesReader)));
Geoms.Add(polygon);
geomFound = true;
}
if (geomFound) features.Add(CreateFeature(Geoms[Geoms.Count - 1], FeatureTypeInfo.LableField, labelValue[0]));
geomFound = false;
}
}
catch (Exception ex)
{
Trace.TraceError("An exception occured while parsing a polygon geometry: " + ex.Message);
throw;
}
return Geoms;
}
/// <summary>
/// This method produces instances of type <see cref="Mapsui.Geometries.MultiPolygon"/>.
/// </summary>
/// <returns>The created geometries</returns>
internal override Collection<Geometry> CreateGeometries(Features features)
{
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);
var labelValue = new string[1];
bool geomFound = false;
try
{
// 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, labelValue, multiPolygonNodeAlt, polygonMemberNodeAlt)) != null)
{
var multiPolygon = new MultiPolygon();
GeometryFactory geomFactory = new PolygonFactory(GeomReader, FeatureTypeInfo);
Collection<Geometry> polygons = geomFactory.CreateGeometries(features);
foreach (Polygon polygon in polygons)
multiPolygon.Polygons.Add(polygon);
Geoms.Add(multiPolygon);
geomFound = true;
}
if (geomFound) features.Add(CreateFeature(Geoms[Geoms.Count - 1], FeatureTypeInfo.LableField, labelValue[0]));
geomFound = false;
}
}
catch (Exception ex)
{
Trace.TraceError("An exception occured while parsing a multi-polygon geometry: " + ex.Message);
throw;
}
return Geoms;
}
/// <summary>
/// This method produces instances of type <see cref="Mapsui.Geometries.LineString"/>.
/// </summary>
/// <returns>The created geometries</returns>
internal override Collection<Geometry> CreateGeometries(Features features)
{
IPathNode lineStringNode = new PathNode(Gmlns, "LineString", (NameTable) XmlReader.NameTable);
var labelValue = new string[1];
bool geomFound = false;
try
{
// 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, labelValue, lineStringNode, CoordinatesNode)) !=
null)
{
Geoms.Add(new LineString(ParseCoordinates(GeomReader)));
geomFound = true;
}
if (geomFound) features.Add(CreateFeature(Geoms[Geoms.Count - 1], FeatureTypeInfo.LableField, labelValue[0]));
geomFound = false;
}
}
catch (Exception ex)
{
Trace.TraceError("An exception occured while parsing a line geometry string: " + ex.Message);
throw;
}
return Geoms;
}
/// <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);
}
/// <summary>
/// This method detects the geometry type from 'GetFeature' response and uses a geometry factory to create the
/// appropriate geometries.
/// </summary>
/// <returns></returns>
internal override Collection <Geometry> CreateGeometries(Features features)
{
GeometryFactory geomFactory = null;
string geometryTypeString = string.Empty;
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(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "MultiPointPropertyType";
break;
}
if (multiLineStringNodeAlt.Matches(XmlReader))
{
geomFactory = new MultiLineStringFactory(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "MultiLineStringPropertyType";
break;
}
if (multiPolygonNodeAlt.Matches(XmlReader))
{
geomFactory = new MultiPolygonFactory(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "MultiPolygonPropertyType";
break;
}
}
if (pointNode.Matches(XmlReader))
{
geomFactory = new PointFactory(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "PointPropertyType";
break;
}
if (lineStringNode.Matches(XmlReader))
{
geomFactory = new LineStringFactory(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "LineStringPropertyType";
break;
}
if (polygonNode.Matches(XmlReader))
{
geomFactory = new PolygonFactory(_httpClientUtil, FeatureTypeInfo);
geometryTypeString = "PolygonPropertyType";
break;
}
if (ServiceExceptionNode.Matches(XmlReader))
{
string serviceException = XmlReader.ReadInnerXml();
Trace.TraceError("A service exception occured: " + serviceException);
throw new Exception("A service exception occured: " + serviceException);
}
}
}
FeatureTypeInfo.Geometry.GeometryType = geometryTypeString;
if (geomFactory == null)
{
return(Geoms);
}
geomFactory.AxisOrder = AxisOrder;
geomFactory.CreateGeometries(features);
return(Geoms);
}
/// <summary>
/// This method produces instances of type <see cref="Mapsui.Geometries.MultiPoint"/>.
/// </summary>
/// <returns>The created geometries</returns>
internal override Collection<Geometry> CreateGeometries(Features features)
{
IPathNode multiPointNode = new PathNode(Gmlns, "MultiPoint", (NameTable) XmlReader.NameTable);
IPathNode pointMemberNode = new PathNode(Gmlns, "pointMember", (NameTable) XmlReader.NameTable);
var labelValue = new string[1];
bool geomFound = false;
try
{
// 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, labelValue, multiPointNode, pointMemberNode)) !=
null)
{
var multiPoint = new MultiPoint();
GeometryFactory geomFactory = new PointFactory(GeomReader, FeatureTypeInfo);
Collection<Geometry> points = geomFactory.CreateGeometries(features);
foreach (var geometry in points)
{
var point = (Point) geometry;
multiPoint.Points.Add(point);
}
Geoms.Add(multiPoint);
geomFound = true;
}
if (geomFound) features.Add(CreateFeature(Geoms[Geoms.Count - 1], FeatureTypeInfo.LableField, labelValue[0]));
geomFound = false;
}
}
catch (Exception ex)
{
Trace.TraceError("An exception occured while parsing a multi-point geometry: " + ex.Message);
throw;
}
return Geoms;
}
/// <summary>
/// This method produces instances of type <see cref="Mapsui.Geometries.MultiLineString"/>.
/// </summary>
/// <returns>The created geometries</returns>
internal override Collection<Geometry> CreateGeometries(Features features)
{
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 lineStringMemberNode = new PathNode(Gmlns, "lineStringMember", (NameTable) XmlReader.NameTable);
IPathNode curveMemberNode = new PathNode(Gmlns, "curveMember", (NameTable) XmlReader.NameTable);
IPathNode lineStringMemberNodeAlt = new AlternativePathNodesCollection(lineStringMemberNode, curveMemberNode);
var labelValue = new string[1];
bool geomFound = false;
try
{
// 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, labelValue, multiLineStringNodeAlt, lineStringMemberNodeAlt)) !=
null)
{
var multiLineString = new MultiLineString();
GeometryFactory geomFactory = new LineStringFactory(GeomReader, FeatureTypeInfo);
Collection<Geometry> lineStrings = geomFactory.CreateGeometries(features);
foreach (var geometry in lineStrings)
{
var lineString = (LineString) geometry;
multiLineString.LineStrings.Add(lineString);
}
Geoms.Add(multiLineString);
geomFound = true;
}
if (geomFound) features.Add(CreateFeature(Geoms[Geoms.Count - 1], FeatureTypeInfo.LableField, labelValue[0]));
geomFound = false;
}
}
catch (Exception ex)
{
Trace.TraceError("An exception occured while parsing a multi-lineString geometry: " + ex.Message);
throw;
}
return Geoms;
}
