public string getOntology(string conceptKeyword)
{
var dataWorker = new DataWorker();
var ontologytreeJson = string.Empty;
keywordsList = new SortedSet<string>();
json = string.Empty;
//get ontology from hiscentral
var getOntologytree = dataWorker.getOntologyTree(conceptKeyword);
XmlDocument ontologytreeXML = new XmlDocument();
if (getOntologytree != null)
{
ontologytreeXML.LoadXml(getOntologytree);
//string json = Newtonsoft.Json.JsonConvert.SerializeXmlNode(doc.DocumentElement);
}
// Ontology tree
var tree = new OntologyTree();
//var tmpxmldoc = ReadOntologyXmlFile();
FillTree(ontologytreeXML.DocumentElement, tree.Nodes);
//XmlReader rdr = XmlReader.Create(new System.IO.StringReader(ontologytreeXML));
//while (rdr.Read())
//{
// if (rdr.NodeType == XmlNodeType.Element)
// {
// Console.WriteLine(rdr.LocalName);
// }
//}
if (tree != null)
{
// XmlDocument doc = new XmlDocument();
// doc.LoadXml(ontologytreeXml);
//string json = Newtonsoft.Json.JsonConvert.SerializeXmlNode(doc.DocumentElement);
ontologytreeJson = Newtonsoft.Json.JsonConvert.SerializeObject(tree.Nodes[0].children,
new JsonSerializerSettings
{
ReferenceLoopHandling = ReferenceLoopHandling.Ignore,
PreserveReferencesHandling = PreserveReferencesHandling.None
// PreserveReferencesHandling = PreserveReferencesHandling.Objects
}
);
}
return ontologytreeJson;
}
