/// <inheritdoc />
public async Task <IEnumerable <KeyValuePair <Iri, IEnumerable <Statement> > > > Read(StreamReader streamReader)
{
if (streamReader == null)
{
throw new ArgumentNullException(nameof(streamReader));
}
var statements = new TypePrioritizingStatementCollection();
var blankNodes = new Dictionary <string, Iri>();
using (var reader = XmlReader.Create(streamReader, new XmlReaderSettings()
{
Async = true
}))
{
while (await reader.ReadAsync())
{
if ((reader.NodeType == XmlNodeType.Element) && (reader.LocalName == "Description") && (reader.NamespaceURI == rdf.ns))
{
await ReadResource(reader, statements, blankNodes);
}
}
}
return(new[] { new KeyValuePair <Iri, IEnumerable <Statement> >(null, statements) });
}
public void Setup()
{
Collection = new TypePrioritizingStatementCollection();
Collection.Add(Predicate = new Statement(new Iri("subject"), new Iri("predicate"), new Iri("object")));
Collection.Add(Typing = new Statement(new Iri("subject"), rdf.type, new Iri("object")));
Statements = new Statement[2];
}
public Task <IEnumerable <KeyValuePair <Iri, IEnumerable <Statement> > > > Read(StreamReader streamReader)
{
if (streamReader == null)
{
throw new ArgumentNullException(nameof(streamReader));
}
var defaultGraph = new TypePrioritizingStatementCollection();
var graphMap = new Dictionary <Iri, IEnumerable <Statement> >();
var dataset = (RDFDataset)JsonLdProcessor.ToRDF(JSONUtils.FromReader(streamReader));
foreach (var graphName in dataset.GraphNames())
{
var graphIri = (graphName == "@default" ? null : (graphName.StartsWith("_:") ? new Iri() : new Iri(graphName)));
IEnumerable <Statement> statements;
if (graphIri == null)
{
statements = defaultGraph;
}
else if (!graphMap.TryGetValue(graphIri, out statements))
{
graphMap[graphIri] = statements = new TypePrioritizingStatementCollection();
}
var statementsCollection = (ICollection <Statement>)statements;
foreach (var quad in dataset.GetQuads(graphName))
{
statementsCollection.Add(quad.AsStatement());
}
}
return(Task.FromResult(new[] { new KeyValuePair <Iri, IEnumerable <Statement> >(null, defaultGraph) }.Concat(graphMap)));
}
