/// <summary> /// This method parses quickly without paying attention to /// context validation, polygon boundaries and multi-geometries. /// This accelerates the geometry parsing process, /// but in scarce cases can lead to errors. /// </summary> /// <param name="geometryType">The geometry type (Point, LineString, Polygon, MultiPoint, MultiCurve, /// MultiLineString (deprecated), MultiSurface, MultiPolygon (deprecated)</param> /// <returns>The created geometries</returns> internal virtual Collection <Geometry> createQuickGeometries(string geometryType) { // Ignore multi-geometries if (geometryType.Equals("MultiPointPropertyType")) { geometryType = "PointPropertyType"; } else if (geometryType.Equals("MultiLineStringPropertyType")) { geometryType = "LineStringPropertyType"; } else if (geometryType.Equals("MultiPolygonPropertyType")) { geometryType = "PolygonPropertyType"; } else if (geometryType.Equals("MultiCurvePropertyType")) { geometryType = "CurvePropertyType"; } else if (geometryType.Equals("MultiSurfacePropertyType")) { geometryType = "SurfacePropertyType"; } string serviceException = null; while (_XmlReader.Read()) { if (_CoordinatesNode.Matches(_XmlReader)) { try { switch (geometryType) { case "PointPropertyType": _Geoms.Add(ParseCoordinates(_XmlReader.ReadSubtree())[0]); break; case "LineStringPropertyType": case "CurvePropertyType": _Geoms.Add(new LineString(ParseCoordinates(_XmlReader.ReadSubtree()))); break; case "PolygonPropertyType": case "SurfacePropertyType": Polygon polygon = new Polygon(); polygon.ExteriorRing = new LinearRing(ParseCoordinates(_XmlReader.ReadSubtree())); _Geoms.Add(polygon); break; default: break; } } catch (Exception ex) { Trace.TraceError("An exception occured while parsing a " + geometryType + " geometry: " + ex.Message); throw ex; } continue; } if (_ServiceExceptionNode.Matches(_XmlReader)) { serviceException = _XmlReader.ReadInnerXml(); Trace.TraceError("A service exception occured: " + serviceException); throw new Exception("A service exception occured: " + serviceException); } } return(_Geoms); }
/// <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() { 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(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "MultiPointPropertyType"; break; } if (multiLineStringNodeAlt.Matches(_XmlReader)) { geomFactory = new MultiLineStringFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "MultiLineStringPropertyType"; break; } if (multiPolygonNodeAlt.Matches(_XmlReader)) { geomFactory = new MultiPolygonFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "MultiPolygonPropertyType"; break; } } if (pointNode.Matches(_XmlReader)) { geomFactory = new PointFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "PointPropertyType"; break; } if (lineStringNode.Matches(_XmlReader)) { geomFactory = new LineStringFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "LineStringPropertyType"; break; } if (polygonNode.Matches(_XmlReader)) { geomFactory = new PolygonFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "PolygonPropertyType"; break; } if (_ServiceExceptionNode.Matches(_XmlReader)) { 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(_QuickGeometries ? geomFactory.createQuickGeometries(geometryTypeString) : geomFactory.createGeometries()); } return(_Geoms); }
/// <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() { 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(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "MultiPointPropertyType"; break; } if (multiLineStringNodeAlt.Matches(_XmlReader)) { geomFactory = new MultiLineStringFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "MultiLineStringPropertyType"; break; } if (multiPolygonNodeAlt.Matches(_XmlReader)) { geomFactory = new MultiPolygonFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "MultiPolygonPropertyType"; break; } } if (pointNode.Matches(_XmlReader)) { geomFactory = new PointFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "PointPropertyType"; break; } if (lineStringNode.Matches(_XmlReader)) { geomFactory = new LineStringFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "LineStringPropertyType"; break; } if (polygonNode.Matches(_XmlReader)) { geomFactory = new PolygonFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "PolygonPropertyType"; break; } if (_ServiceExceptionNode.Matches(_XmlReader)) { 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 _QuickGeometries ? geomFactory.createQuickGeometries(geometryTypeString) : geomFactory.createGeometries(); return _Geoms; }