/// <summary>
/// Reads This Object From an XML String
/// </summary>
/// <param name="xmldata">XML String Data</param>
public void ReadFromXML(string xmldata)
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(xmldata);
XmlNodeList nodelist = doc.GetElementsByTagName("where");
if (nodelist.Count == 0)
{
throw new FormatException("No Geo-OASIS Where Element found!");
}
else if (nodelist.Count > 1)
{
throw new FormatException("Multiple Geo-OASIS Where Elements found!");
}
XmlNode root = nodelist[0];
foreach (XmlAttribute attrib in root.Attributes)
{
if (string.IsNullOrEmpty(attrib.InnerText))
{
continue;
}
switch (attrib.LocalName)
{
case "relationshiptage":
this.relationship = new NCName(attrib.InnerText);
break;
case "radius":
this.radius = double.Parse(attrib.InnerText);
break;
case "featuretypetag":
this.featureType = new NCName(attrib.InnerText);
break;
case "elev":
this.elevation = double.Parse(attrib.InnerText);
break;
case "floor":
this.floor = double.Parse(attrib.InnerText);
break;
case "#comment":
break;
default:
if (attrib.Prefix != "xmlns")
{
throw new ArgumentException("Unexpected Attribute Name: " + attrib.LocalName + " in GeoOASISWhere");
}
break;
}
}
foreach (XmlNode node in root.ChildNodes)
{
if (string.IsNullOrEmpty(node.InnerText))
{
continue;
}
switch (node.LocalName)
{
case "Point":
this.location = new GMLPoint();
this.location.ReadXML(node);
break;
case "LineString":
this.location = new GMLLineString();
this.location.ReadXML(node);
break;
case "CircleByCenterPoint":
this.location = new GMLCircleByCenterPoint();
this.location.ReadXML(node);
break;
case "Polygon":
this.location = new GMLPolygon();
this.location.ReadXML(node);
break;
case "Envelope":
this.location = new GMLEnvelope();
this.location.ReadXML(node);
break;
default:
throw new ArgumentException("Unexpected Node Name: " + node.LocalName + " in GeoOASISWhere");
}
}
}
/// <summary>
/// Reads an Geo-OASIS Where From An Existing DOM - You Must Parse The Top Level Element Before Calling This!
/// </summary>
/// <param name="rootnode">Node Containing the GML Position</param>
public void ReadXML(XmlNode rootnode)
{
foreach (XmlAttribute attrib in rootnode.Attributes)
{
if (string.IsNullOrEmpty(attrib.InnerText))
{
continue;
}
switch (attrib.LocalName)
{
case "relationshiptage":
this.relationship = new NCName(attrib.InnerText);
break;
case "radius":
this.radius = double.Parse(attrib.InnerText);
break;
case "featuretypetag":
this.featureType = new NCName(attrib.InnerText);
break;
case "elev":
this.elevation = double.Parse(attrib.InnerText);
break;
case "floor":
this.floor = double.Parse(attrib.InnerText);
break;
case "interpolation":
case "numArc":
break;
default:
if (attrib.Prefix != "xmlns")
{
throw new ArgumentException("Unexpected Attribute: " + attrib.Name + " in GeoOASISWhere");
}
break;
}
}
if (string.IsNullOrEmpty(rootnode.InnerText))
{
return;
}
switch (rootnode.LocalName)
{
case "Point":
this.location = new GMLPoint();
this.location.ReadXML(rootnode);
break;
case "LineString":
this.location = new GMLLineString();
this.location.ReadXML(rootnode);
break;
case "CircleByCenterPoint":
this.location = new GMLCircleByCenterPoint();
this.location.ReadXML(rootnode);
break;
case "Polygon":
this.location = new GMLPolygon();
this.location.ReadXML(rootnode);
break;
case "Envelope":
this.location = new GMLEnvelope();
this.location.ReadXML(rootnode);
break;
case "#comment":
break;
default:
throw new ArgumentException("Unexpected Node Name: " + rootnode.Name + " in GeoOASISWhere");
}
}