public void test2()
{
OwlGraph ontology = new OwlGraph();
ontology.NameSpaces["xmlns:" + OwlNamespaceCollection.OwlNamespacePrefix] = OwlNamespaceCollection.OwlNamespace;
ontology.NameSpaces["xmlns:" + OwlNamespaceCollection.RdfSchemaNamespacePrefix] = OwlNamespaceCollection.RdfSchemaNamespace;
ontology.NameSpaces["xmlns:daml"] = "http://www.daml.org/2001/03/daml+oil#";
ontology.NameSpaces["xmlns:dc"] = "http://purl.org/dc/elements/1.1/";
ontology.NameSpaces["xmlns"] = "http://www.owl-ontologies.com/test.owl#";
ontology.NameSpaces["xml:base"] = "http://www.owl-ontologies.com/test.owl";
string baseUri = "http://www.owl-ontologies.com/test.owl#";
OwlOntology o = new OwlOntology(baseUri + "testOntology");
ontology.Nodes.Add(o);
OwlClass a = new OwlClass(baseUri + "ClassA");
ontology.Nodes.Add(a);
OwlClass b = new OwlClass(baseUri + "ClassB");
ontology.Nodes.Add(b);
OwlEdge relation = new OwlEdge(OwlNamespaceCollection.RdfSchemaNamespace + "subClassOf");
relation.AttachParentNode(a);
relation.AttachChildNode(b);
ontology.Edges.Add(relation);
IOwlGenerator generator = new OwlXmlGenerator();
generator.GenerateOwl(ontology, @"c:\example2.owl");
}
/// <summary>
/// Implementation of the visit function to generate some output, used in the visitor pattern
/// </summary>
/// <param name="node">The actual node which needs to be generated</param>
/// <param name="parent">The parent object of the node</param>
public override void Visit(OwlOntology node, Object parent)
{
XmlElement parentElement = parent as XmlElement;
if (parentElement != null)
{
XmlElement ontologyElement = _owlDocument.CreateElement("owl:Ontology", OwlNamespaceCollection.OwlNamespace);
// Add the name attribute to the node
XmlAttribute nameAttribute = _owlDocument.CreateAttribute("rdf", "about", OwlNamespaceCollection.RdfNamespace);
nameAttribute.Value = GetNodeID(node);
ontologyElement.Attributes.Append(nameAttribute);
// Generate all the edges going out of this node
if (!_visited.Contains(node))
{
VisitEdges(node, ontologyElement);
}
// Attach the node eventually to its parent
parentElement.AppendChild(ontologyElement);
_visited.Add(node);
}
}
/// <summary>
/// Adds an OWL Resource of type owl:Ontology to the graph</summary>
/// <param name="nodeUri">The Uri of the resource.</param>
/// <returns>Returns a reference to the newly added resource.</returns>
/// <exception cref="UriFormatException">The specified nodeUri is not a well formed Uri.</exception>
private OwlOntology AddOntologyToGraph(string nodeUri)
{
//if the uri is null then create a blank node uri
if(nodeUri == null)
nodeUri = GetBlankNodeUri(null);
OwlNode node = (OwlNode)_owlGraph[nodeUri];
if((node != null) && (node is OwlOntology))
return (OwlOntology)node;
OwlNode typeNode = (OwlNode)_owlGraph.AddNode(OwlNamespaceCollection.OwlNamespace+"Ontology");
if(node == null)
{
node = new OwlOntology(nodeUri,typeNode);
_owlGraph.AddEdge(((OwlOntology)node).Type);
_owlGraph.AddNode(node);
return (OwlOntology)node;
}
OwlOntology newNode = new OwlOntology(nodeUri,typeNode);
_owlGraph.AddEdge(newNode.Type);
MoveEdges(node, newNode);
_owlGraph.Nodes.Remove(node);
_owlGraph.AddNode(newNode);
return newNode;
}
/// <summary>
/// Implementation of the visit function to generate some output, used in the visitor pattern
/// </summary>
/// <param name="node">The actual node which needs to be generated</param>
/// <param name="parent">The parent object of the node</param>
public override void Visit(OwlOntology node, Object parent)
{
XmlElement parentElement = parent as XmlElement;
if(parentElement != null)
{
XmlElement ontologyElement = _owlDocument.CreateElement("owl:Ontology", OwlNamespaceCollection.OwlNamespace);
// Add the name attribute to the node
XmlAttribute nameAttribute = _owlDocument.CreateAttribute("rdf", "about", OwlNamespaceCollection.RdfNamespace);
nameAttribute.Value = GetNodeID(node);
ontologyElement.Attributes.Append(nameAttribute);
// Generate all the edges going out of this node
if(!node.Visited)
VisitEdges(node, ontologyElement);
// Attach the node eventually to its parent
parentElement.AppendChild(ontologyElement);
node.Visited = true;
}
}
/// <summary> /// Implementation of the visit function to generate some output, used in the visitor pattern /// </summary> /// <param name="node">The actual node which needs to be generated</param> /// <param name="parent">The parent object of the node</param> public abstract void Visit(OwlOntology node, Object parent);
/// <summary> /// Implementation of the visit function to generate some output, used in the visitor pattern /// </summary> /// <param name="node">The actual node which needs to be generated</param> /// <param name="parent">The parent object of the node</param> public abstract void Visit(OwlOntology node, Object parent);
