public WFSFeatureClass(WFSDataset dataset, string name, WMSClass.SRS srs)
{
_dataset = dataset;
_name = name;
_srs = srs;
if (_srs.Srs.Count > 0)
{
_sRef = gView.Framework.Geometry.SpatialReference.FromID(_srs.Srs[_srs.SRSIndex]);
}
try
{
string param = "VERSION=1.0.0&REQUEST=DescribeFeatureType&TYPENAME=" + _name;
if (_dataset._decribeFeatureType.Get_OnlineResource.IndexOf("&SERVICE=") == -1 &&
_dataset._decribeFeatureType.Get_OnlineResource.IndexOf("?SERVICE=") == -1)
{
param = "SERVICE=WFS&" + param;
}
string url = WMSDataset.Append2Url(_dataset._decribeFeatureType.Get_OnlineResource, param);
string response = WebFunctions.HttpSendRequest(url, "GET", null);
response = WMSDataset.RemoveDOCTYPE(response);
XmlDocument schema = new XmlDocument();
schema.LoadXml(response);
XmlSchemaReader schemaReader = new XmlSchemaReader(schema);
_targetNamespace = schemaReader.TargetNamespaceURI;
if (_targetNamespace == String.Empty)
{
return;
}
_fields = schemaReader.ElementFields(name, out _shapefieldName, out _geomtype);
// Id Feld suchen
foreach (IField field in _fields.ToEnumerable())
{
if (field.type == FieldType.ID)
{
_idFieldname = field.name;
break;
}
}
// passendes feld suchen...
//if (_idFieldname == String.Empty)
//{
// foreach (IField field in _fields)
// {
// if (!(field is Field)) continue;
// switch (field.name.ToLower())
// {
// case "fdb_oid":
// case "oid":
// case "fid":
// case "objectid":
// case "featureid":
// case "ogc_fid":
// ((Field)field).type = FieldType.ID;
// _idFieldname = field.name;
// break;
// }
// if (_idFieldname != String.Empty) break;
// }
//}
}
catch { }
}
public bool Open()
{
try
{
_elements.Clear();
string param = "REQUEST=GetCapabilities&VERSION=1.0.0&SERVICE=WFS";
string url = WMSDataset.Append2Url(_url, param);
string response = WebFunctions.HttpSendRequest(url, "GET", null);
response = WMSDataset.RemoveDOCTYPE(response);
XmlDocument doc = new XmlDocument();
doc.LoadXml(response);
XmlNamespaceManager ns = new XmlNamespaceManager(doc.NameTable);
ns.AddNamespace("WFS", "http://www.opengis.net/wfs");
ns.AddNamespace("OGC", "http://www.opengis.net/ogc");
ns.AddNamespace("GML", "http://www.opengis.net/gml");
XmlNode CapabilitiesNode = doc.SelectSingleNode("WFS:WFS_Capabilities/WFS:Capability", ns);
_getCapabilities = new GetCapabilities(CapabilitiesNode.SelectSingleNode("WFS:Request/WFS:GetCapabilities", ns), ns);
_decribeFeatureType = new DescribeFeatureType(CapabilitiesNode.SelectSingleNode("WFS:Request/WFS:DescribeFeatureType", ns), ns);
_getFeature = new GetFeature(CapabilitiesNode.SelectSingleNode("WFS:Request/WFS:GetFeature", ns), ns);
XmlNode FeatureTypeListNode = doc.SelectSingleNode("WFS:WFS_Capabilities/WFS:FeatureTypeList", ns);
_operations = new Operations(FeatureTypeListNode.SelectSingleNode("WFS:Operations", ns));
foreach (XmlNode featureTypeNode in FeatureTypeListNode.SelectNodes("WFS:FeatureType", ns))
{
string name = "";
string title = "";
XmlNode nameNode = featureTypeNode.SelectSingleNode("WFS:Name", ns);
XmlNode titleNode = featureTypeNode.SelectSingleNode("WFS:Title", ns);
WMSClass.SRS srs = new WMSClass.SRS(featureTypeNode, ns, "WFS");
name = title = nameNode.InnerText;
if (titleNode != null)
{
title = titleNode.InnerText;
}
WFSFeatureClass featureClass = new WFSFeatureClass(this, name, srs);
//DatasetElement dselement = new DatasetElement(featureClass);
ILayer dselement = LayerFactory.Create(featureClass);
if (dselement == null)
{
continue;
}
dselement.Title = name;
_elements.Add(dselement);
}
_filter_capabilites = new Filter_Capabilities(doc.SelectSingleNode("WFS:WFS_Capabilities/OGC:Filter_Capabilities", ns), ns);
return(true);
}
catch (Exception ex)
{
string err = ex.Message;
return(false);
}
}
