/// <summary>
/// Protected constructor for the abstract class.
/// </summary>
/// <param name="xmlReader">An XmlReader instance</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
protected GeometryFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
{
FeatureTypeInfo = featureTypeInfo;
XmlReader = xmlReader;
InitializePathNodes();
InitializeSeparators();
}
/// <summary>
/// This method returns the query string for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="labelProperties"></param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, List <string> labelProperties,
BoundingBox boundingBox, IFilter filter)
{
string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
? string.Empty
: featureTypeInfo.Prefix + ":";
var paramBuilder = new StringBuilder();
paramBuilder.Append("?SERVICE=WFS&Version=1.1.0&REQUEST=GetFeature&TYPENAME=");
paramBuilder.Append(HttpUtility.UrlEncode(qualification + featureTypeInfo.Name));
paramBuilder.Append("&srsName=");
paramBuilder.Append(HttpUtility.UrlEncode(ProjectionHelper.EpsgPrefix + featureTypeInfo.SRID));
if (filter != null || boundingBox != null)
{
paramBuilder.Append("&FILTER=");
using var sWriter = new StringWriter();
using var xWriter = new XmlTextWriter(sWriter);
{
AppendGml3Filter(xWriter, featureTypeInfo, boundingBox, filter, qualification);
}
paramBuilder.Append(HttpUtility.UrlEncode(sWriter.ToString()));
}
if (!string.IsNullOrEmpty(featureTypeInfo.Prefix))
{
paramBuilder.Append("&NAMESPACE=xmlns(" + HttpUtility.UrlEncode(featureTypeInfo.Prefix) + "=" +
HttpUtility.UrlEncode(featureTypeInfo.FeatureTypeNamespace) + ")");
}
return(paramBuilder.ToString());
}
/// <summary>
/// This method returns the query string for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="labelProperty"></param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, string labelProperty, BoundingBox boundingBox, IFilter filter)
{
string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
? string.Empty
: featureTypeInfo.Prefix + ":";
string filterString = string.Empty;
if (filter != null)
{
filterString = filter.Encode();
filterString = filterString.Replace("<", "%3C");
filterString = filterString.Replace(">", "%3E");
filterString = filterString.Replace(" ", "");
filterString = filterString.Replace("*", "%2a");
filterString = filterString.Replace("#", "%23");
filterString = filterString.Replace("!", "%21");
}
var filterBuilder = new StringBuilder();
filterBuilder.Append("&filter=%3CFilter%20xmlns=%22" + NSOGC + "%22%20xmlns:gml=%22" + NSGML +
"%22%3E%3CBBOX%3E%3CPropertyName%3E");
filterBuilder.Append(qualification).Append(featureTypeInfo.Geometry.GeometryName);
filterBuilder.Append("%3C/PropertyName%3E%3Cgml:Box%20srsName=%22" + featureTypeInfo.SRID + "%22%3E");
filterBuilder.Append("%3Cgml:coordinates%3E");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Left) + ",");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Bottom) + "%20");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Right) + ",");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Top));
filterBuilder.Append("%3C/gml:coordinates%3E%3C/gml:Box%3E%3C/BBOX%3E");
filterBuilder.Append(filterString);
filterBuilder.Append("%3C/Filter%3E");
return "?SERVICE=WFS&Version=1.0.0&REQUEST=GetFeature&TYPENAME=" + qualification + featureTypeInfo.Name +
"&SRS =" + featureTypeInfo.SRID + filterBuilder;
}
/// <summary>
/// This method returns the query string for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="labelProperties">A list of properties necessary for label rendering</param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, List <string>?labelProperties,
MRect boundingBox, IFilter?filter)
{
var qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
? string.Empty
: featureTypeInfo.Prefix + ":";
var paramBuilder = new StringBuilder();
paramBuilder.Append("?SERVICE=WFS&Version=1.0.0&REQUEST=GetFeature&TYPENAME=");
paramBuilder.Append(HttpUtility.UrlEncode(qualification + featureTypeInfo.Name));
paramBuilder.Append("&srsName=");
paramBuilder.Append(HttpUtility.UrlEncode(CrsHelper.EpsgPrefix + featureTypeInfo.SRID));
if (filter != null || boundingBox != null)
{
paramBuilder.Append("&FILTER=");
using var sWriter = new StringWriter();
using var xWriter = new XmlTextWriter(sWriter);
{
AppendGml2Filter(xWriter, featureTypeInfo, boundingBox, filter, qualification);
}
paramBuilder.Append(HttpUtility.UrlEncode(sWriter.ToString()));
}
return(paramBuilder.ToString());
}
/// <summary>
/// Protected constructor for the abstract class.
/// </summary>
/// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
protected GeometryFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo)
{
FeatureTypeInfo = featureTypeInfo;
_httpClientUtil = httpClientUtil;
CreateReader(httpClientUtil);
try
{
if (featureTypeInfo.LabelFields != null)
{
var pathNodes = new IPathNode[featureTypeInfo.LabelFields.Count];
for (var i = 0; i < pathNodes.Length; i++)
{
pathNodes[i] = new PathNode(FeatureTypeInfo.FeatureTypeNamespace, featureTypeInfo.LabelFields[i], (NameTable)XmlReader.NameTable);
}
LabelNode = new AlternativePathNodesCollection(pathNodes);
}
}
catch (Exception ex)
{
Trace.TraceError("An exception occured while initializing the label path node! " + ex.Message);
throw;
}
InitializePathNodes();
InitializeSeparators();
}
/// <summary>
/// Protected constructor for the abstract class.
/// </summary>
/// <param name="xmlReader">An XmlReader instance</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
protected GeometryFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
{
FeatureTypeInfo = featureTypeInfo;
XmlReader = xmlReader;
InitializePathNodes();
InitializeSeparators();
}
/// <summary>
/// This method returns the POST request for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="labelProperties">A list of properties necessary for label rendering</param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
public byte[] GetFeaturePOSTRequest(WfsFeatureTypeInfo featureTypeInfo, List <string>?labelProperties,
MRect boundingBox, IFilter?filter)
{
var qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
? string.Empty
: featureTypeInfo.Prefix + ":";
using (var sWriter = new StringWriter())
{
using (var xWriter = new XmlTextWriter(sWriter))
{
xWriter.Namespaces = true;
xWriter.WriteStartElement("GetFeature", NSWFS);
xWriter.WriteAttributeString("service", "WFS");
xWriter.WriteAttributeString("version", "1.0.0");
xWriter.WriteStartElement("Query", NSWFS);
xWriter.WriteAttributeString("typeName", qualification + featureTypeInfo.Name);
xWriter.WriteAttributeString("srsName", CrsHelper.EpsgPrefix + featureTypeInfo.SRID);
xWriter.WriteElementString("PropertyName", qualification + featureTypeInfo.Geometry.GeometryName);
if (labelProperties != null && !labelProperties.All(string.IsNullOrWhiteSpace))
{
xWriter.WriteElementString("PropertyName", string.Join(",",
labelProperties.Where(x => !string.IsNullOrWhiteSpace(x)).Select(lbl => qualification + lbl)));
}
AppendGml2Filter(xWriter, featureTypeInfo, boundingBox, filter, qualification);
xWriter.WriteEndElement();
xWriter.WriteEndElement();
xWriter.Flush();
return(Encoding.UTF8.GetBytes(sWriter.ToString()));
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="UnspecifiedGeometryFactory_WFS1_0_0_GML2"/> class.
/// </summary>
/// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="multiGeometries">A boolean value specifying whether multi-geometries should be created</param>
/// <param name="quickGeometries">A boolean value specifying whether the factory should create geometries quickly, but without validation</param>
internal UnspecifiedGeometryFactory_WFS1_0_0_GML2(HttpClientUtil httpClientUtil,
WfsFeatureTypeInfo featureTypeInfo, bool multiGeometries,
bool quickGeometries)
: base(httpClientUtil, featureTypeInfo)
{
_httpClientUtil = httpClientUtil;
_multiGeometries = multiGeometries;
_quickGeometries = quickGeometries;
}
/// <summary>
/// This method returns the POST request for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="labelProperty">A property necessary for label rendering</param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
public byte[] GetFeaturePOSTRequest(WfsFeatureTypeInfo featureTypeInfo, string labelProperty,
BoundingBox boundingBox, IFilter filter)
{
string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
? string.Empty
: featureTypeInfo.Prefix + ":";
using (var sWriter = new StringWriter())
{
using (var xWriter = new XmlTextWriter(sWriter))
{
xWriter.Namespaces = true;
xWriter.WriteStartElement("GetFeature", NSWFS);
xWriter.WriteAttributeString("service", "WFS");
xWriter.WriteAttributeString("version", "1.0.0");
xWriter.WriteStartElement("Query", NSWFS);
xWriter.WriteAttributeString("typeName", qualification + featureTypeInfo.Name);
xWriter.WriteElementString("PropertyName", qualification + featureTypeInfo.Geometry.GeometryName);
if (!string.IsNullOrEmpty(labelProperty))
{
xWriter.WriteElementString("PropertyName", qualification + labelProperty);
}
xWriter.WriteStartElement("Filter", NSOGC);
xWriter.WriteStartElement("BBOX");
xWriter.WriteElementString("PropertyName", featureTypeInfo.Geometry.GeometryName);
xWriter.WriteStartElement("gml", "Box", NSGML);
xWriter.WriteAttributeString("srsName",
"http://www.opengis.net/gml/srs/epsg.xml#" + featureTypeInfo.SRID);
xWriter.WriteElementString("coordinates", NSGML,
XmlConvert.ToString(boundingBox.Left) + "," +
XmlConvert.ToString(boundingBox.Bottom) + " " +
XmlConvert.ToString(boundingBox.Right) + "," +
XmlConvert.ToString(boundingBox.Top));
xWriter.WriteEndElement();
xWriter.WriteEndElement();
if (filter != null)
{
xWriter.WriteRaw(filter.Encode());
}
if (filter != null)
{
xWriter.WriteEndElement();
}
xWriter.WriteEndElement();
xWriter.WriteEndElement();
xWriter.WriteEndElement();
xWriter.Flush();
return(Encoding.UTF8.GetBytes(sWriter.ToString()));
}
}
}
/// <summary>
/// This method returns the query string for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="labelProperty"></param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, string labelProperty, BoundingBox boundingBox, IFilter filter)
{
string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
? string.Empty
: featureTypeInfo.Prefix + ":";
string filterString = string.Empty;
if (filter != null)
{
filterString = filter.Encode();
filterString = filterString.Replace("<", "%3C");
filterString = filterString.Replace(">", "%3E");
filterString = filterString.Replace(" ", "");
filterString = filterString.Replace("*", "%2a");
filterString = filterString.Replace("#", "%23");
filterString = filterString.Replace("!", "%21");
}
var filterBuilder = new StringBuilder();
filterBuilder.Append("&FILTER=%3CFilter%20xmlns=%22" + NSOGC + "%22%20xmlns:gml=%22" + NSGML + "%22");
if (!string.IsNullOrEmpty(featureTypeInfo.Prefix))
{
filterBuilder.Append("%20xmlns:" + featureTypeInfo.Prefix + "=%22" +
featureTypeInfo.FeatureTypeNamespace + "%22");
//added by PDD to get it to work for deegree default sample
}
filterBuilder.Append("%3E%3CBBOX%3E%3CPropertyName%3E");
filterBuilder.Append(qualification).Append(featureTypeInfo.Geometry.GeometryName);
filterBuilder.Append("%3C/PropertyName%3E%3Cgml:Box%20srsName='" + featureTypeInfo.SRID + "'%3E");
filterBuilder.Append("%3Cgml:coordinates%3E");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Left) + ",");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Bottom) + "%20");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Right) + ",");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Top));
filterBuilder.Append("%3C/gml:coordinates%3E%3C/gml:Box%3E%3C/BBOX%3E");
filterBuilder.Append(filterString);
filterBuilder.Append("%3C/Filter%3E");
if (!string.IsNullOrEmpty(featureTypeInfo.Prefix))
{
//TODO: reorganize: this is not a part of the filter and should be somewhere else. PDD.
filterBuilder.Append("&NAMESPACE=xmlns(" + featureTypeInfo.Prefix + "=" +
featureTypeInfo.FeatureTypeNamespace + ")");
}
return("?SERVICE=WFS&Version=1.1.0&REQUEST=GetFeature&TYPENAME=" + qualification + featureTypeInfo.Name +
"&SRS =" + featureTypeInfo.SRID + filterBuilder);
}
/// <summary>
/// This method returns the query string for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="labelProperty"></param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, string labelProperty, BoundingBox boundingBox, IFilter filter)
{
string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
? string.Empty
: featureTypeInfo.Prefix + ":";
string filterString = string.Empty;
if (filter != null)
{
filterString = filter.Encode();
filterString = filterString.Replace("<", "%3C");
filterString = filterString.Replace(">", "%3E");
filterString = filterString.Replace(" ", "");
filterString = filterString.Replace("*", "%2a");
filterString = filterString.Replace("#", "%23");
filterString = filterString.Replace("!", "%21");
}
var filterBuilder = new StringBuilder();
filterBuilder.Append("&FILTER=%3CFilter%20xmlns=%22" + NSOGC + "%22%20xmlns:gml=%22" + NSGML + "%22");
if (!string.IsNullOrEmpty(featureTypeInfo.Prefix))
{
filterBuilder.Append("%20xmlns:" + featureTypeInfo.Prefix + "=%22" +
featureTypeInfo.FeatureTypeNamespace + "%22");
//added by PDD to get it to work for deegree default sample
}
filterBuilder.Append("%3E%3CBBOX%3E%3CPropertyName%3E");
filterBuilder.Append(qualification).Append(featureTypeInfo.Geometry.GeometryName);
filterBuilder.Append("%3C/PropertyName%3E%3Cgml:Box%20srsName='" + featureTypeInfo.SRID + "'%3E");
filterBuilder.Append("%3Cgml:coordinates%3E");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Left) + ",");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Bottom) + "%20");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Right) + ",");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Top));
filterBuilder.Append("%3C/gml:coordinates%3E%3C/gml:Box%3E%3C/BBOX%3E");
filterBuilder.Append(filterString);
filterBuilder.Append("%3C/Filter%3E");
if (!string.IsNullOrEmpty(featureTypeInfo.Prefix))
{
//TODO: reorganize: this is not a part of the filter and should be somewhere else. PDD.
filterBuilder.Append("&NAMESPACE=xmlns(" + featureTypeInfo.Prefix + "=" +
featureTypeInfo.FeatureTypeNamespace + ")");
}
return "?SERVICE=WFS&Version=1.1.0&REQUEST=GetFeature&TYPENAME=" + qualification + featureTypeInfo.Name +
"&SRS =" + featureTypeInfo.SRID + filterBuilder;
}
private void AppendGml3Filter(XmlTextWriter xWriter, WfsFeatureTypeInfo featureTypeInfo, BoundingBox boundingBox,
IFilter filter, string qualification)
{
xWriter.WriteStartElement("Filter", NSOGC);
if (filter != null && boundingBox != null)
{
xWriter.WriteStartElement("And");
}
if (boundingBox != null)
{
xWriter.WriteStartElement("BBOX");
if (!string.IsNullOrEmpty(featureTypeInfo.Prefix) &&
!string.IsNullOrEmpty(featureTypeInfo.FeatureTypeNamespace))
{
xWriter.WriteElementString("PropertyName",
qualification + featureTypeInfo.Geometry.GeometryName);
}
//added qualification to get it to work for deegree default sample
else
{
xWriter.WriteElementString("PropertyName", featureTypeInfo.Geometry.GeometryName);
}
xWriter.WriteStartElement("gml", "Envelope", NSGML);
xWriter.WriteAttributeString("srsName",
"http://www.opengis.net/gml/srs/epsg.xml#" + featureTypeInfo.SRID);
xWriter.WriteElementString("lowerCorner", NSGML,
XmlConvert.ToString(boundingBox.Left) + " " +
XmlConvert.ToString(boundingBox.Bottom));
xWriter.WriteElementString("upperCorner", NSGML,
XmlConvert.ToString(boundingBox.Right) + " " +
XmlConvert.ToString(boundingBox.Top));
xWriter.WriteEndElement();
xWriter.WriteEndElement();
}
if (filter != null)
{
xWriter.WriteRaw(filter.Encode());
}
if (filter != null && boundingBox != null)
{
xWriter.WriteEndElement();
}
xWriter.WriteEndElement();
}
/// <summary>
/// This method returns the POST request for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="labelProperties">A list of properties necessary for label rendering</param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
public byte[] GetFeaturePOSTRequest(WfsFeatureTypeInfo featureTypeInfo, List <string>?labelProperties,
MRect boundingBox, IFilter?filter)
{
var qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
? string.Empty
: featureTypeInfo.Prefix + ":";
using (var sWriter = new StringWriter())
{
using (var xWriter = new XmlTextWriter(sWriter))
{
xWriter.Namespaces = true;
xWriter.WriteStartElement("GetFeature", NSWFS);
xWriter.WriteAttributeString("service", "WFS");
xWriter.WriteAttributeString("version", "1.1.0");
if (!string.IsNullOrEmpty(featureTypeInfo.Prefix) &&
!string.IsNullOrEmpty(featureTypeInfo.FeatureTypeNamespace))
{
xWriter.WriteAttributeString("xmlns:" + featureTypeInfo.Prefix,
featureTypeInfo.FeatureTypeNamespace);
}
//added by PDD to get it to work for degree default sample
xWriter.WriteStartElement("Query", NSWFS);
xWriter.WriteAttributeString("typeName", qualification + featureTypeInfo.Name);
xWriter.WriteAttributeString("srsName", CrsHelper.EpsgPrefix + featureTypeInfo.SRID);
xWriter.WriteElementString("PropertyName", qualification + featureTypeInfo.Geometry.GeometryName);
if (labelProperties != null)
{
foreach (var labelProperty in labelProperties.Where(labelProperty =>
!string.IsNullOrWhiteSpace(labelProperty)))
{
xWriter.WriteElementString("PropertyName", qualification + labelProperty);
}
}
AppendGml3Filter(xWriter, featureTypeInfo, boundingBox, filter, qualification);
xWriter.WriteEndElement();
xWriter.WriteEndElement();
xWriter.Flush();
return(Encoding.UTF8.GetBytes(sWriter.ToString()));
}
}
}
/// <summary>
/// Protected constructor for the abstract class.
/// </summary>
/// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
protected GeometryFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo)
{
FeatureTypeInfo = featureTypeInfo;
_httpClientUtil = httpClientUtil;
CreateReader(httpClientUtil);
try
{
if (featureTypeInfo.LableField != null)
{
LabelNode = new PathNode(FeatureTypeInfo.FeatureTypeNamespace, featureTypeInfo.LableField,
(NameTable) XmlReader.NameTable);
}
}
catch (Exception ex)
{
Trace.TraceError("An exception occured while initializing the label path node! " + ex.Message);
throw;
}
InitializePathNodes();
InitializeSeparators();
}
/// <summary>
/// Protected constructor for the abstract class.
/// </summary>
/// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
protected GeometryFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo)
{
FeatureTypeInfo = featureTypeInfo;
_httpClientUtil = httpClientUtil;
CreateReader(httpClientUtil);
try
{
if (featureTypeInfo.LableField != null)
{
LabelNode = new PathNode(FeatureTypeInfo.FeatureTypeNamespace, featureTypeInfo.LableField,
(NameTable)XmlReader.NameTable);
}
}
catch (Exception ex)
{
Trace.TraceError("An exception occured while initializing the label path node! " + ex.Message);
throw;
}
InitializePathNodes();
InitializeSeparators();
}
/// <summary>
/// This method returns the query string for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="labelProperty"></param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, string labelProperty, BoundingBox boundingBox, IFilter filter)
{
string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
? string.Empty
: featureTypeInfo.Prefix + ":";
string filterString = string.Empty;
if (filter != null)
{
filterString = filter.Encode();
filterString = filterString.Replace("<", "%3C");
filterString = filterString.Replace(">", "%3E");
filterString = filterString.Replace(" ", "");
filterString = filterString.Replace("*", "%2a");
filterString = filterString.Replace("#", "%23");
filterString = filterString.Replace("!", "%21");
}
var filterBuilder = new StringBuilder();
filterBuilder.Append("&filter=%3CFilter%20xmlns=%22" + NSOGC + "%22%20xmlns:gml=%22" + NSGML +
"%22%3E%3CBBOX%3E%3CPropertyName%3E");
filterBuilder.Append(qualification).Append(featureTypeInfo.Geometry.GeometryName);
filterBuilder.Append("%3C/PropertyName%3E%3Cgml:Box%20srsName=%22" + featureTypeInfo.SRID + "%22%3E");
filterBuilder.Append("%3Cgml:coordinates%3E");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Left) + ",");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Bottom) + "%20");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Right) + ",");
filterBuilder.Append(XmlConvert.ToString(boundingBox.Top));
filterBuilder.Append("%3C/gml:coordinates%3E%3C/gml:Box%3E%3C/BBOX%3E");
filterBuilder.Append(filterString);
filterBuilder.Append("%3C/Filter%3E");
return("?SERVICE=WFS&Version=1.0.0&REQUEST=GetFeature&TYPENAME=" + qualification + featureTypeInfo.Name +
"&SRS =" + featureTypeInfo.SRID + filterBuilder);
}
/// <summary>
/// Initializes a new instance of the <see cref="LineStringFactory"/> class.
/// This constructor shall just be called from the MultiLineString factory. The feature node therefore is deactivated.
/// </summary>
/// <param name="xmlReader">An XmlReader instance</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal LineStringFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
: base(xmlReader, featureTypeInfo)
{
FeatureNode.IsActive = false;
}
/// <summary>
/// Initializes a new instance of the <see cref="MultiLineStringFactory"/> class.
/// </summary>
/// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal MultiLineStringFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo)
: base(httpClientUtil, featureTypeInfo)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="MultiPolygonFactory"/> class.
/// </summary>
/// <param name="xmlReader">An XmlReader instance</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal MultiPolygonFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
: base(xmlReader, featureTypeInfo)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="MultiPolygonFactory"/> class.
/// </summary>
/// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal MultiPolygonFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo)
: base(httpClientUtil, featureTypeInfo)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="MultiLineStringFactory"/> class.
/// </summary>
/// <param name="xmlReader">An XmlReader instance</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal MultiLineStringFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
: base(xmlReader, featureTypeInfo)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="MultiPolygonFactory"/> class.
/// </summary>
/// <param name="xmlReader">An XmlReader instance</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal MultiPolygonFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
: base(xmlReader, featureTypeInfo)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="PointFactory"/> class.
/// </summary>
/// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal PointFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo)
: base(httpClientUtil, featureTypeInfo)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="LineStringFactory"/> class.
/// This constructor shall just be called from the MultiLineString factory. The feature node therefore is deactivated.
/// </summary>
/// <param name="xmlReader">An XmlReader instance</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal LineStringFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
: base(xmlReader, featureTypeInfo)
{
FeatureNode.IsActive = false;
}
/// <summary>
/// Initializes a new instance of the <see cref="PointFactory"/> class.
/// </summary>
/// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal PointFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo)
: base(httpClientUtil, featureTypeInfo)
{
}
/// <summary>
/// Configures for WFS 'GetFeature' request using an instance implementing <see cref="IWFS_TextResources"/>.
/// The <see cref="HttpClientUtil"/> instance is returned for immediate usage.
/// </summary>
internal void ConfigureForWfsGetFeatureRequest(HttpClientUtil httpClientUtil,
WfsFeatureTypeInfo featureTypeInfo, string labelProperty, BoundingBox boundingBox,
IFilter filter, bool get)
{
httpClientUtil.Reset();
httpClientUtil.Url = featureTypeInfo.ServiceUri;
if (get)
{
/* HTTP-GET */
httpClientUtil.Url += _wfsTextResources.GetFeatureGETRequest(
featureTypeInfo, labelProperty, boundingBox, filter);
}
/* HTTP-POST */
httpClientUtil.PostData = _wfsTextResources.GetFeaturePOSTRequest(
featureTypeInfo, labelProperty, boundingBox, filter);
httpClientUtil.AddHeader(HttpRequestHeader.ContentType.ToString(), "text/xml");
}
/// <summary>
/// Initializes a new instance of the <see cref="MultiLineStringFactory"/> class.
/// </summary>
/// <param name="xmlReader">An XmlReader instance</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal MultiLineStringFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
: base(xmlReader, featureTypeInfo)
{
}
/// <summary>
/// Use this constructor for initializing this dataprovider with all mandatory
/// metadata for retrieving a featuretype, so that 'GetCapabilities' and 'DescribeFeatureType' can be bypassed.
/// </summary>
public WFSProvider(string serviceUri, string nsPrefix, string featureTypeNamespace, string featureType,
string geometryName, GeometryTypeEnum geometryType, WFSVersionEnum wfsVersion)
{
_featureTypeInfo = new WfsFeatureTypeInfo(serviceUri, nsPrefix, featureTypeNamespace, featureType,
geometryName, geometryType);
if (wfsVersion == WFSVersionEnum.WFS_1_0_0)
_textResources = new WFS_1_0_0_TextResources();
else _textResources = new WFS_1_1_0_TextResources();
_wfsVersion = wfsVersion;
}
/// <summary>
/// Use this constructor for initializing this dataprovider with a
/// <see cref="WfsFeatureTypeInfo"/> object,
/// so that 'GetCapabilities' and 'DescribeFeatureType' can be bypassed.
/// </summary>
public WFSProvider(WfsFeatureTypeInfo featureTypeInfo, WFSVersionEnum wfsVersion)
{
_featureTypeInfo = featureTypeInfo;
if (wfsVersion == WFSVersionEnum.WFS_1_0_0)
_textResources = new WFS_1_0_0_TextResources();
else _textResources = new WFS_1_1_0_TextResources();
_wfsVersion = wfsVersion;
}
/// <summary>
/// Initializes a new instance of the <see cref="MultiPolygonFactory"/> class.
/// </summary>
/// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal MultiPolygonFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo)
: base(httpClientUtil, featureTypeInfo)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="PolygonFactory"/> class.
/// This constructor shall just be called from the MultiPolygon factory. The feature node therefore is deactivated.
/// </summary>
/// <param name="xmlReader">An XmlReader instance</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal PolygonFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
: base(xmlReader, featureTypeInfo)
{
FeatureNode.IsActive = false;
}
/// <summary>
/// Initializes a new instance of the <see cref="PolygonFactory"/> class.
/// This constructor shall just be called from the MultiPolygon factory. The feature node therefore is deactivated.
/// </summary>
/// <param name="xmlReader">An XmlReader instance</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal PolygonFactory(XmlReader xmlReader, WfsFeatureTypeInfo featureTypeInfo)
: base(xmlReader, featureTypeInfo)
{
FeatureNode.IsActive = false;
}
/// <summary>
/// This method returns the POST request for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="labelProperty">A property necessary for label rendering</param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
public byte[] GetFeaturePOSTRequest(WfsFeatureTypeInfo featureTypeInfo, string labelProperty,
BoundingBox boundingBox, IFilter filter)
{
string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
? string.Empty
: featureTypeInfo.Prefix + ":";
using (var sWriter = new StringWriter())
{
using (var xWriter = new XmlTextWriter(sWriter))
{
xWriter.Namespaces = true;
xWriter.WriteStartElement("GetFeature", NSWFS);
xWriter.WriteAttributeString("service", "WFS");
xWriter.WriteAttributeString("version", "1.0.0");
xWriter.WriteStartElement("Query", NSWFS);
xWriter.WriteAttributeString("typeName", qualification + featureTypeInfo.Name);
xWriter.WriteElementString("PropertyName", qualification + featureTypeInfo.Geometry.GeometryName);
if (!string.IsNullOrEmpty(labelProperty))
xWriter.WriteElementString("PropertyName", qualification + labelProperty);
xWriter.WriteStartElement("Filter", NSOGC);
xWriter.WriteStartElement("BBOX");
xWriter.WriteElementString("PropertyName", featureTypeInfo.Geometry.GeometryName);
xWriter.WriteStartElement("gml", "Box", NSGML);
xWriter.WriteAttributeString("srsName",
"http://www.opengis.net/gml/srs/epsg.xml#" + featureTypeInfo.SRID);
xWriter.WriteElementString("coordinates", NSGML,
XmlConvert.ToString(boundingBox.Left) + "," +
XmlConvert.ToString(boundingBox.Bottom) + " " +
XmlConvert.ToString(boundingBox.Right) + "," +
XmlConvert.ToString(boundingBox.Top));
xWriter.WriteEndElement();
xWriter.WriteEndElement();
if (filter != null) xWriter.WriteRaw(filter.Encode());
if (filter != null) xWriter.WriteEndElement();
xWriter.WriteEndElement();
xWriter.WriteEndElement();
xWriter.WriteEndElement();
xWriter.Flush();
return Encoding.UTF8.GetBytes(sWriter.ToString());
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="MultiLineStringFactory"/> class.
/// </summary>
/// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
internal MultiLineStringFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo)
: base(httpClientUtil, featureTypeInfo)
{
}
/// <summary>
/// This method gets metadata about the featuretype to query from 'GetCapabilities' and 'DescribeFeatureType'.
/// </summary>
private void GetFeatureTypeInfo()
{
try
{
_featureTypeInfo = new WfsFeatureTypeInfo();
var config = new WFSClientHttpConfigurator(_textResources);
_featureTypeInfo.Prefix = _nsPrefix;
_featureTypeInfo.Name = _featureType;
string featureQueryName = string.IsNullOrEmpty(_nsPrefix)
? _featureType
: _nsPrefix + ":" + _featureType;
/***************************/
/* GetCapabilities request /
/***************************/
if (_featureTypeInfoQueryManager == null)
{
/* Initialize IXPathQueryManager with configured HttpClientUtil */
_featureTypeInfoQueryManager =
new XPathQueryManagerCompiledExpressionsDecorator(new XPathQueryManager());
_featureTypeInfoQueryManager.SetDocumentToParse(
config.ConfigureForWfsGetCapabilitiesRequest(_httpClientUtil, _getCapabilitiesUri));
/* Namespaces for XPath queries */
_featureTypeInfoQueryManager.AddNamespace(_textResources.NSWFSPREFIX, _textResources.NSWFS);
_featureTypeInfoQueryManager.AddNamespace(_textResources.NSOWSPREFIX, _textResources.NSOWS);
_featureTypeInfoQueryManager.AddNamespace(_textResources.NSXLINKPREFIX, _textResources.NSXLINK);
}
/* Service URI (for WFS GetFeature request) */
_featureTypeInfo.ServiceUri = _featureTypeInfoQueryManager.GetValueFromNode
(_featureTypeInfoQueryManager.Compile(_textResources.XPATH_GETFEATURERESOURCE));
/* If no GetFeature URI could be found, try GetCapabilities URI */
if (_featureTypeInfo.ServiceUri == null) _featureTypeInfo.ServiceUri = _getCapabilitiesUri;
else if (_featureTypeInfo.ServiceUri.EndsWith("?", StringComparison.Ordinal))
_featureTypeInfo.ServiceUri =
_featureTypeInfo.ServiceUri.Remove(_featureTypeInfo.ServiceUri.Length - 1);
/* URI for DescribeFeatureType request */
string describeFeatureTypeUri = _featureTypeInfoQueryManager.GetValueFromNode
(_featureTypeInfoQueryManager.Compile(_textResources.XPATH_DESCRIBEFEATURETYPERESOURCE));
/* If no DescribeFeatureType URI could be found, try GetCapabilities URI */
if (describeFeatureTypeUri == null) describeFeatureTypeUri = _getCapabilitiesUri;
else if (describeFeatureTypeUri.EndsWith("?", StringComparison.Ordinal))
describeFeatureTypeUri =
describeFeatureTypeUri.Remove(describeFeatureTypeUri.Length - 1);
/* Spatial reference ID */
var srid = _featureTypeInfoQueryManager.GetValueFromNode
(_featureTypeInfoQueryManager.Compile(_textResources.XPATH_SRS), new[] {new DictionaryEntry("_param1", featureQueryName)});
/* If no SRID could be found, try '4326' by default */
srid = (srid == null) ? "4326" : srid.Substring(srid.LastIndexOf(":", StringComparison.Ordinal) + 1);
_featureTypeInfo.SRID = srid;
/* Bounding Box */
IXPathQueryManager bboxQuery = _featureTypeInfoQueryManager.GetXPathQueryManagerInContext(
_featureTypeInfoQueryManager.Compile(_textResources.XPATH_BBOX),
new[] {new DictionaryEntry("_param1", featureQueryName)});
if (bboxQuery != null)
{
var bbox = new WfsFeatureTypeInfo.BoundingBox();
var formatInfo = new NumberFormatInfo {NumberDecimalSeparator = "."};
string bboxVal ;
if (_wfsVersion == WFSVersionEnum.WFS_1_0_0)
bbox.MinLat =
Convert.ToDouble(
(bboxVal =
bboxQuery.GetValueFromNode(bboxQuery.Compile(_textResources.XPATH_BOUNDINGBOXMINY))) !=
null
? bboxVal
: "0.0", formatInfo);
else if (_wfsVersion == WFSVersionEnum.WFS_1_1_0)
bbox.MinLat =
Convert.ToDouble(
(bboxVal =
bboxQuery.GetValueFromNode(bboxQuery.Compile(_textResources.XPATH_BOUNDINGBOXMINY))) !=
null
? bboxVal.Substring(bboxVal.IndexOf(' ') + 1)
: "0.0", formatInfo);
if (_wfsVersion == WFSVersionEnum.WFS_1_0_0)
bbox.MaxLat =
Convert.ToDouble(
(bboxVal =
bboxQuery.GetValueFromNode(bboxQuery.Compile(_textResources.XPATH_BOUNDINGBOXMAXY))) !=
null
? bboxVal
: "0.0", formatInfo);
else if (_wfsVersion == WFSVersionEnum.WFS_1_1_0)
bbox.MaxLat =
Convert.ToDouble(
(bboxVal =
bboxQuery.GetValueFromNode(bboxQuery.Compile(_textResources.XPATH_BOUNDINGBOXMAXY))) !=
null
? bboxVal.Substring(bboxVal.IndexOf(' ') + 1)
: "0.0", formatInfo);
if (_wfsVersion == WFSVersionEnum.WFS_1_0_0)
bbox.MinLong =
Convert.ToDouble(
(bboxVal =
bboxQuery.GetValueFromNode(bboxQuery.Compile(_textResources.XPATH_BOUNDINGBOXMINX))) !=
null
? bboxVal
: "0.0", formatInfo);
else if (_wfsVersion == WFSVersionEnum.WFS_1_1_0)
bbox.MinLong =
Convert.ToDouble(
(bboxVal =
bboxQuery.GetValueFromNode(bboxQuery.Compile(_textResources.XPATH_BOUNDINGBOXMINX))) !=
null
? bboxVal.Substring(0, bboxVal.IndexOf(' ') + 1)
: "0.0", formatInfo);
if (_wfsVersion == WFSVersionEnum.WFS_1_0_0)
bbox.MaxLong =
Convert.ToDouble(
(bboxVal =
bboxQuery.GetValueFromNode(bboxQuery.Compile(_textResources.XPATH_BOUNDINGBOXMAXX))) !=
null
? bboxVal
: "0.0", formatInfo);
else if (_wfsVersion == WFSVersionEnum.WFS_1_1_0)
bbox.MaxLong =
Convert.ToDouble(
(bboxVal =
bboxQuery.GetValueFromNode(bboxQuery.Compile(_textResources.XPATH_BOUNDINGBOXMAXX))) !=
null
? bboxVal.Substring(0, bboxVal.IndexOf(' ') + 1)
: "0.0", formatInfo);
_featureTypeInfo.BBox = bbox;
}
//Continue with a clone in order to preserve the 'GetCapabilities' response
IXPathQueryManager describeFeatureTypeQueryManager = _featureTypeInfoQueryManager.Clone();
/******************************/
/* DescribeFeatureType request /
/******************************/
/* Initialize IXPathQueryManager with configured HttpClientUtil */
describeFeatureTypeQueryManager.ResetNamespaces();
describeFeatureTypeQueryManager.SetDocumentToParse(config.ConfigureForWfsDescribeFeatureTypeRequest
(_httpClientUtil, describeFeatureTypeUri,
featureQueryName));
/* Namespaces for XPath queries */
describeFeatureTypeQueryManager.AddNamespace(_textResources.NSSCHEMAPREFIX, _textResources.NSSCHEMA);
describeFeatureTypeQueryManager.AddNamespace(_textResources.NSGMLPREFIX, _textResources.NSGML);
/* Get target namespace */
string targetNs = describeFeatureTypeQueryManager.GetValueFromNode(
describeFeatureTypeQueryManager.Compile(_textResources.XPATH_TARGETNS));
if (targetNs != null)
_featureTypeInfo.FeatureTypeNamespace = targetNs;
/* Get geometry */
string geomType = _geometryType == GeometryTypeEnum.Unknown ? null : _geometryType.ToString();
string geomName = null;
/* The easiest way to get geometry info, just ask for the 'gml'-prefixed type-attribute...
Simple, but effective in 90% of all cases...this is the standard GeoServer creates.*/
/* example: <xs:element nillable = "false" name = "the_geom" maxOccurs = "1" type = "gml:MultiPolygonPropertyType" minOccurs = "0" /> */
/* Try to get context of the geometry element by asking for a 'gml:*' type-attribute */
IXPathQueryManager geomQuery = describeFeatureTypeQueryManager.GetXPathQueryManagerInContext(
describeFeatureTypeQueryManager.Compile(_textResources.XPATH_GEOMETRYELEMENT_BYTYPEATTRIBUTEQUERY));
if (geomQuery != null)
{
geomName = geomQuery.GetValueFromNode(geomQuery.Compile(_textResources.XPATH_NAMEATTRIBUTEQUERY));
/* Just, if not set manually... */
if (geomType == null)
geomType = geomQuery.GetValueFromNode(geomQuery.Compile(_textResources.XPATH_TYPEATTRIBUTEQUERY));
}
else
{
/* Try to get context of a complexType with element ref ='gml:*' - use the global context */
/* example:
<xs:complexType name="geomType">
<xs:sequence>
<xs:element ref="gml:polygonProperty" minOccurs="0"/>
</xs:sequence>
</xs:complexType> */
geomQuery = describeFeatureTypeQueryManager.GetXPathQueryManagerInContext(
describeFeatureTypeQueryManager.Compile(
_textResources.XPATH_GEOMETRYELEMENTCOMPLEXTYPE_BYELEMREFQUERY));
if (geomQuery != null)
{
/* Ask for the name of the complextype - use the local context*/
string geomComplexTypeName = geomQuery.GetValueFromNode(geomQuery.Compile(_textResources.XPATH_NAMEATTRIBUTEQUERY));
if (geomComplexTypeName != null)
{
/* Ask for the name of an element with a complextype of 'geomComplexType' - use the global context */
geomName =
describeFeatureTypeQueryManager.GetValueFromNode(
describeFeatureTypeQueryManager.Compile(
_textResources.XPATH_GEOMETRY_ELEMREF_GEOMNAMEQUERY), new[]
{
new DictionaryEntry
("_param1",
_featureTypeInfo
.
FeatureTypeNamespace)
,
new DictionaryEntry
("_param2",
geomComplexTypeName)
});
}
else
{
/* The geometry element must be an ancestor, if we found an anonymous complextype */
/* Ask for the element hosting the anonymous complextype - use the global context */
/* example:
<xs:element name ="SHAPE">
<xs:complexType>
<xs:sequence>
<xs:element ref="gml:lineStringProperty" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
</xs:element> */
geomName =
describeFeatureTypeQueryManager.GetValueFromNode(
describeFeatureTypeQueryManager.Compile(
_textResources.XPATH_GEOMETRY_ELEMREF_GEOMNAMEQUERY_ANONYMOUSTYPE));
}
/* Just, if not set manually... */
if (geomType == null)
{
/* Ask for the 'ref'-attribute - use the local context */
if (
(geomType =
geomQuery.GetValueFromNode(
geomQuery.Compile(_textResources.XPATH_GEOMETRY_ELEMREF_GMLELEMENTQUERY))) != null)
{
switch (geomType)
{
case "gml:pointProperty":
geomType = "PointPropertyType";
break;
case "gml:lineStringProperty":
geomType = "LineStringPropertyType";
break;
case "gml:curveProperty":
geomType = "CurvePropertyType";
break;
case "gml:polygonProperty":
geomType = "PolygonPropertyType";
break;
case "gml:surfaceProperty":
geomType = "SurfacePropertyType";
break;
case "gml:multiPointProperty":
geomType = "MultiPointPropertyType";
break;
case "gml:multiLineStringProperty":
geomType = "MultiLineStringPropertyType";
break;
case "gml:multiCurveProperty":
geomType = "MultiCurvePropertyType";
break;
case "gml:multiPolygonProperty":
geomType = "MultiPolygonPropertyType";
break;
case "gml:multiSurfaceProperty":
geomType = "MultiSurfacePropertyType";
break;
}
}
}
}
}
if (geomName == null)
/* Default value for geometry column = geom */
geomName = "geom";
if (geomType == null)
/* Set geomType to an empty string in order to avoid exceptions.
The geometry type is not necessary by all means - it can be detected in 'GetFeature' response too.. */
geomType = string.Empty;
/* Remove prefix */
if (geomType.Contains(":"))
geomType = geomType.Substring(geomType.IndexOf(":", StringComparison.Ordinal) + 1);
_featureTypeInfo.Geometry = new WfsFeatureTypeInfo.GeometryInfo
{
GeometryName = geomName,
GeometryType = geomType
};
}
finally
{
_httpClientUtil.Close();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="UnspecifiedGeometryFactory_WFS1_0_0_GML2"/> class.
/// </summary>
/// <param name="httpClientUtil">A configured <see cref="HttpClientUtil"/> instance for performing web requests</param>
/// <param name="featureTypeInfo">A <see cref="WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="multiGeometries">A boolean value specifying whether multi-geometries should be created</param>
/// <param name="quickGeometries">A boolean value specifying whether the factory should create geometries quickly, but without validation</param>
internal UnspecifiedGeometryFactory_WFS1_0_0_GML2(HttpClientUtil httpClientUtil,
WfsFeatureTypeInfo featureTypeInfo, bool multiGeometries,
bool quickGeometries)
: base(httpClientUtil, featureTypeInfo)
{
_httpClientUtil = httpClientUtil;
_multiGeometries = multiGeometries;
_quickGeometries = quickGeometries;
}
