private Node WrapNode(VDS.RDF.INode node)
{
var literal = node as ILiteralNode;
if (literal != null)
{
if (literal.DataType != null)
{
return(Node.ForLiteral(literal.Value, literal.DataType));
}
if (literal.Language != null)
{
return(Node.ForLiteral(literal.Value, literal.Language));
}
return(Node.ForLiteral(literal.Value));
}
var uriNode = node as IUriNode;
if (uriNode != null)
{
return(Node.ForUri(uriNode.Uri));
}
var blankNode = node as IBlankNode;
if (blankNode != null)
{
return(Node.ForBlank(blankNode.InternalID, null, null));
}
throw new ArgumentException("The node was neither URI, literal nor blank", "node");
}
private static Node ToNode(this VDS.RDF.INode node, EntityId id)
{
if (node is IUriNode)
{
return(Node.ForUri(((IUriNode)node).Uri));
}
if (node is IBlankNode)
{
return(Node.ForBlank(((IBlankNode)node).InternalID, id, node.GraphUri));
}
var literal = (ILiteralNode)node;
if (literal.DataType != null)
{
return(Node.ForLiteral(literal.Value, literal.DataType));
}
if (literal.Language != null)
{
return(Node.ForLiteral(literal.Value, literal.Language));
}
return(Node.ForLiteral(literal.Value));
}
/// <summary>Converts a dotNetRDF's <see cref="VDS.RDF.INode"/> into RomanticWeb's <see cref="Node"/>.</summary>
public static Node WrapNode(this VDS.RDF.INode node, EntityId entityId)
{
var literal = node as ILiteralNode;
if (literal != null)
{
if (literal.DataType != null)
{
return(Node.ForLiteral(literal.Value, literal.DataType));
}
if (literal.Language != null)
{
return(Node.ForLiteral(literal.Value, literal.Language));
}
return(Node.ForLiteral(literal.Value));
}
var uriNode = node as IUriNode;
if (uriNode != null)
{
return(Node.ForUri(uriNode.Uri));
}
var blankNode = node as IBlankNode;
if (blankNode != null)
{
return(Node.ForBlank(blankNode.InternalID, entityId, blankNode.GraphUri));
}
throw new ArgumentException("The node was neither URI, literal nor blank", "node");
}
