public void test1(string file)
{
IOwlParser parser = new OwlXmlParser();
IOwlGraph graph = parser.ParseOwl(file);
ArrayList errors = ((OwlParser)parser).Errors;
ArrayList warnings = ((OwlParser)parser).Warnings;
ArrayList messages = ((OwlParser)parser).Messages;
FileStream info = new FileStream("c:/info.txt", FileMode.OpenOrCreate);
StreamWriter sw = new StreamWriter(info);
sw.AutoFlush = true;
foreach(string msg in messages)
{
Console.WriteLine(msg);
}
//IOwlGenerator generator = new OwlXmlGenerator();
//generator.GenerateOwl(graph, @"c:\example1.owl");
info = new FileStream("C:/generated.txt", FileMode.OpenOrCreate);
sw = new StreamWriter(info);
sw.AutoFlush = true;
//messages = ((OwlGenerator)generator).Messages;
//foreach(string msg in messages)
//{
// sw.WriteLine(msg);
//}
Console.WriteLine("Graph parsed successfully with {0} errors and {1} warnings\n\n",errors.Count,warnings.Count);
foreach(string err in errors)
{
Console.WriteLine("Error: "+err);
}
foreach(string war in warnings)
{
Console.WriteLine("Warning: "+war);
}
Console.WriteLine("The graph contains {0} node(s) and {1} edge(s).", graph.Nodes.Count, graph.Edges.Count);
}
public void test6(string file)
{
IOwlParser parser = new OwlXmlParser();
IOwlGraph graph = parser.ParseOwl(file);
IOwlGenerator generator = new OwlXmlGenerator();
generator.GenerateOwl(graph, @"c:\travelnew.owl");
}
public void test5(string file)
{
IOwlParser parser = new OwlXmlParser();
IOwlGraph graph = parser.ParseOwl(file);
string baseUri = "http://www.owl-ontologies.com/travel.owl#";
OwlClass hotelNode = (OwlClass)graph.Nodes["http://www.owl-ontologies.com/travel.owl#LuxuryHotel"];
OwlIndividual newHotel = new OwlIndividual(baseUri + "PellensPalace", hotelNode);
graph.Nodes.Add(newHotel);
IOwlGenerator generator = new OwlXmlGenerator();
generator.GenerateOwl(graph, @"c:\travelnew.owl");
}
public void test4(string file)
{
IOwlParser parser = new OwlXmlParser();
IOwlGraph graph = parser.ParseOwl(file);
Console.WriteLine("Retrieving some specific data:");
// Here we will retrieve the enumerator in order to get all the nodes from the file
IDictionaryEnumerator nEnumerator = (IDictionaryEnumerator)graph.Nodes.GetEnumerator();
while(nEnumerator.MoveNext())
{
// Get the node from the graph
OwlNode node = (OwlNode)graph.Nodes[(nEnumerator.Key).ToString()];
// We will cast the node to a OwlClass because we are looking for classes
OwlClass clsNode = node as OwlClass;
// If clsNode is different from null, then we are dealing with an OwlClass -> OK
// If the clsNode is not anonymous, means that we have a class with a proper name -> OK
if((clsNode != null) && (!clsNode.IsAnonymous()))
{
// So, now we have a good owl-class, we will look for any subClassOf relations (edges)
IOwlEdgeList subclassEdges = (IOwlEdgeList)node.ChildEdges["http://www.w3.org/2000/01/rdf-schema#subClassOf"];
if(subclassEdges != null)
{
// We will list all the edges and check if the target of the edge is the class we want to
// have as the superclass
foreach(OwlEdge s in subclassEdges)
{
if(s.ChildNode.ID == "http://www.owl-ontologies.com/travel.owl#Accommodation")
Console.WriteLine(node.ID);
}
}
}
}
}
public void test3(string file)
{
IOwlParser parser = new OwlXmlParser();
IOwlGraph graph = parser.ParseOwl(file);
Console.WriteLine("The nodes of the graph are:");
IDictionaryEnumerator nEnumerator = (IDictionaryEnumerator)graph.Nodes.GetEnumerator();
while(nEnumerator.MoveNext())
{
OwlNode node = (OwlNode)graph.Nodes[(nEnumerator.Key).ToString()];
if(!node.IsAnonymous()) Console.WriteLine(node.ID);
}
Console.WriteLine(Environment.NewLine);
Console.WriteLine("Retrieving some specific data:");
IOwlNode hotelNode = (IOwlNode)graph.Nodes["http://www.owl-ontologies.com/travel.owl#Hotel"];
Console.WriteLine(Environment.NewLine);
Console.WriteLine("The edges are: ");
OwlEdgeCollection edges = (OwlEdgeCollection)hotelNode.ChildEdges;
foreach(OwlEdge e in edges)
{
Console.WriteLine(e.ID);
}
Console.WriteLine("The subClassOf edges are:");
IOwlEdgeList subclassEdges = (IOwlEdgeList)hotelNode.ChildEdges["http://www.w3.org/2000/01/rdf-schema#subClassOf"];
foreach(OwlEdge s in subclassEdges)
{
Console.WriteLine(s.ChildNode.ID);
}
}
public void LoadOwlGraph(string path)
{
IOwlParser p = new OwlXmlParser();
_graph = p.ParseOwl(path);
}
