/// <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>
/// <param name="labelInfo">A FeatureDataTable for labels</param>
protected GeometryFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo,
FeatureDataTable labelInfo)
{
_FeatureTypeInfo = featureTypeInfo;
Factory = featureTypeInfo.Factory;
_httpClientUtil = httpClientUtil;
createReader(httpClientUtil);
try
{
if (labelInfo != null)
{
_LabelInfo = labelInfo;
var pathNodes = new IPathNode[labelInfo.Columns.Count];
for (var i = 0; i < pathNodes.Length; i++)
{
pathNodes[i] = new PathNode(_FeatureTypeInfo.FeatureTypeNamespace, _LabelInfo.Columns[i].ColumnName, (NameTable)_XmlReader.NameTable);
}
_LabelNode = new AlternativePathNodesCollection(pathNodes);
}
}
catch (Exception ex)
{
Trace.TraceError("An exception occured while initializing the label path node!");
throw ex;
}
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;
Factory = featureTypeInfo.Factory;
_XmlReader = xmlReader;
initializePathNodes();
initializeSeparators();
}
/// <summary>
/// This method returns the POST request for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="Wfs.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>
/// <param name="loadAllElements">True to get all feature elements, false to get only geometry element</param>
public byte[] GetFeaturePOSTRequest(WfsFeatureTypeInfo featureTypeInfo, string labelProperty,
Envelope boundingBox, IFilter filter, bool loadAllElements)
{
string qualification = string.IsNullOrEmpty(featureTypeInfo.Prefix)
? string.Empty
: featureTypeInfo.Prefix + ":";
using (StringWriter sWriter = new StringWriter())
{
using (XmlTextWriter 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);
if (!loadAllElements)
{
xWriter.WriteElementString("PropertyName",
qualification + featureTypeInfo.Geometry._GeometryName);
if (!string.IsNullOrEmpty(labelProperty))
{
xWriter.WriteElementString("PropertyName", qualification + labelProperty);
}
}
xWriter.WriteStartElement("Filter", NSOGC);
xWriter.WriteStartElement("BBOX");
if (!loadAllElements)
{
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.MinX) + "," +
XmlConvert.ToString(boundingBox.MinY) + " " +
XmlConvert.ToString(boundingBox.MaxX) + "," +
XmlConvert.ToString(boundingBox.MaxY));
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="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>
/// <param name="labelInfo">A FeatureDataTable for labels</param>
internal UnspecifiedGeometryFactory_WFS1_0_0_GML2(HttpClientUtil httpClientUtil,
WfsFeatureTypeInfo featureTypeInfo, bool multiGeometries,
bool quickGeometries, FeatureDataTable labelInfo)
: base(httpClientUtil, featureTypeInfo, labelInfo)
{
_HttpClientUtil = httpClientUtil;
_MultiGeometries = multiGeometries;
_QuickGeometries = quickGeometries;
}
/// <summary>
/// This method returns the query string for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="Wfs.WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
/// <param name="loadAllElements">True to get all feature elements, false to get only geometry element</param>
public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, Envelope boundingBox, IFilter filter, bool loadAllElements)
{
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");
}
StringBuilder filterBuilder = new StringBuilder();
// &filter=<Filter xmlns="http://www.opengis.net/ogc" xmlns:gml="http://www.opengis.net/gml">
filterBuilder.Append("&filter=%3CFilter%20xmlns=%22" + Uri.EscapeDataString(NSOGC) + "%22%20xmlns:gml=%22" + Uri.EscapeDataString(NSGML) +
"%22%3E");
// <BBOX>
filterBuilder.Append("%3CBBOX%3E");
if (!loadAllElements)
{
// <PropertyName>
filterBuilder.Append("%3CPropertyName%3E");
filterBuilder.Append(qualification);
filterBuilder.Append(featureTypeInfo.Geometry._GeometryName);
// </PropertyName>
filterBuilder.Append("%3C/PropertyName%3E");
}
// <gml:Box srsName="EPSG:....">
filterBuilder.Append("%3Cgml:Box%20srsName=%22EPSG:" + featureTypeInfo.SRID + "%22%3E");
// <gml:coordinates>
filterBuilder.Append("%3Cgml:coordinates%3E");
filterBuilder.Append(XmlConvert.ToString(boundingBox.MinX) + ",");
filterBuilder.Append(XmlConvert.ToString(boundingBox.MinY) + "%20");
filterBuilder.Append(XmlConvert.ToString(boundingBox.MaxX) + ",");
filterBuilder.Append(XmlConvert.ToString(boundingBox.MaxY));
// </gml:coordinates></gml:Box></BBOX>
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 +
(loadAllElements ? "" : "&PROPERTYNAME=" + qualification + featureTypeInfo.Geometry._GeometryName) +
"&SRS=" + featureTypeInfo.SRID + filterBuilder);
}
/// <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>
/// <param name="labelInfo">A FeatureDataTable for labels</param>
internal MultiPolygonFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo, FeatureDataTable labelInfo)
: base(httpClientUtil, featureTypeInfo, labelInfo)
{
}
/// <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="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="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="LineStringFactory"/> 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="labelInfo">A FeatureDataTable for labels</param>
internal LineStringFactory(HttpClientUtil httpClientUtil, WfsFeatureTypeInfo featureTypeInfo, FeatureDataTable labelInfo)
: base(httpClientUtil, featureTypeInfo, labelInfo)
{
}
/// <summary>
/// This method returns the query string for 'GetFeature'.
/// </summary>
/// <param name="featureTypeInfo">A <see cref="Wfs.WfsFeatureTypeInfo"/> instance providing metadata of the featuretype to query</param>
/// <param name="boundingBox">The bounding box of the query</param>
/// <param name="filter">An instance implementing <see cref="IFilter"/></param>
/// <param name="loadAllElements">True to get all feature elements, false to get only geometry element</param>
public string GetFeatureGETRequest(WfsFeatureTypeInfo featureTypeInfo, Envelope boundingBox, IFilter filter, bool loadAllElements)
{
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");
}
StringBuilder filterBuilder = new StringBuilder();
filterBuilder.Append("&FILTER=%3CFilter%20xmlns=%22" + Uri.EscapeDataString(NSOGC) + "%22%20xmlns:gml=%22" + Uri.EscapeDataString(NSGML) + "%22");
if (!string.IsNullOrEmpty(featureTypeInfo.Prefix))
{
filterBuilder.Append("%20xmlns:" + featureTypeInfo.Prefix + "=%22" +
Uri.EscapeDataString(featureTypeInfo.FeatureTypeNamespace) + "%22");
//added by PDD to get it to work for deegree default sample
}
filterBuilder.Append("%3E");
if (filter != null)
{
filterBuilder.Append("%3CAnd%3E");
}
filterBuilder.Append("%3CBBOX%3E");
if (!loadAllElements)
{
filterBuilder.Append("%3CPropertyName%3E");
filterBuilder.Append(qualification);
filterBuilder.Append(featureTypeInfo.Geometry._GeometryName);
filterBuilder.Append("%3C/PropertyName%3E");
}
filterBuilder.Append("%3Cgml:Envelope%20srsName='EPSG:" + featureTypeInfo.SRID + "'%3E");
filterBuilder.Append("%3Cgml:lowerCorner%3E");
filterBuilder.Append(XmlConvert.ToString(boundingBox.MinX) + "%20");
filterBuilder.Append(XmlConvert.ToString(boundingBox.MinY));
filterBuilder.Append("%3C/gml:lowerCorner%3E");
filterBuilder.Append("%3Cgml:upperCorner%3E");
filterBuilder.Append(XmlConvert.ToString(boundingBox.MaxX) + "%20");
filterBuilder.Append(XmlConvert.ToString(boundingBox.MaxY));
filterBuilder.Append("%3C/gml:upperCorner%3E");
filterBuilder.Append("%3C/gml:Envelope%3E%3C/BBOX%3E");
filterBuilder.Append(filterString);
if (filter != null)
{
filterBuilder.Append("%3C/And%3E");
}
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 + "=" +
Uri.EscapeDataString(featureTypeInfo.FeatureTypeNamespace) + ")");
}
return("?SERVICE=WFS&Version=1.1.0&REQUEST=GetFeature&TYPENAME=" + qualification + featureTypeInfo.Name +
(loadAllElements ? "" : "&PROPERTYNAME=" + qualification + featureTypeInfo.Geometry._GeometryName) +
"&SRSNAME=EPSG:" + featureTypeInfo.SRID + filterBuilder);
}
