public override Task WriteResponseBodyAsync(OutputFormatterWriteContext context)
{
IServiceProvider serviceProvider = context.HttpContext.RequestServices;
var response = context.HttpContext.Response;
var graph = context.Object as IGraph;
var ldApi = new JsonLD.Core.JsonLdApi();
var rdfDataset = new JsonLD.Core.RDFDataset();
foreach (var triple in graph.Triples)
{
var ntf = new VDS.RDF.Writing.Formatting.NTriplesFormatter();
if (triple.Object.NodeType == NodeType.Literal)
{
var objNode = (ILiteralNode)triple.Object;
rdfDataset.AddTriple(triple.Subject.ToString(ntf).Trim('<', '>'), triple.Predicate.ToString(ntf).Trim('<', '>'), objNode.Value, objNode.DataType?.OriginalString, string.IsNullOrEmpty(objNode.Language) ? null : objNode.Language);
}
else
{
rdfDataset.AddTriple(triple.Subject.ToString(ntf).Trim('<', '>'), triple.Predicate.ToString(ntf).Trim('<', '>'), triple.Object.ToString(ntf).Trim('<', '>'));
}
}
var ld = ldApi.FromRDF(rdfDataset);
return(response.WriteAsync(ld.ToString()));
}
public static void WriteDataset(JsonLD.Core.RDFDataset dataset)
{
foreach (var quad in dataset.GetQuads("@default"))
{
var nodes = quad.Keys
.Select(key => quad[key])
.OfType <JsonLD.Core.RDFDataset.Node>();
WriteLine(string.Join(" ", nodes.Select(FormatString)));
}
}
public static void WriteDataset(JsonLD.Core.RDFDataset dataset)
{
foreach (var quad in dataset.GetQuads("@default"))
{
var values = quad.Keys
.Select(key => quad[key])
.OfType <JsonLD.Core.RDFDataset.Node>()
.SelectMany(node => node.Keys.Intersect(RelevantNodeKeys).Select(k => node[k]));
Util.WriteLine(string.Join(" ", values));
}
}