static void Test0()
{
IGraph g = new Graph();
TurtleParser parser = new TurtleParser();
parser.Load(g, "datatypes.test.ttl");
StringWriter stringWriter = new StringWriter();
JToken frame;
using (JsonReader reader = new JsonTextReader(new StreamReader("datatypes.context.json")))
{
frame = JToken.Load(reader);
}
JsonLdWriter jsonLdWriter = new JsonLdWriter();
jsonLdWriter.Frame = frame;
jsonLdWriter.Save(g, stringWriter);
JToken compacted = JToken.Parse(stringWriter.ToString());
Console.WriteLine(compacted);
}
public string GetFormattedOutput(ref Graph graph, string outputFormat)
{
var writer = new System.IO.StringWriter();
if (outputFormat == "jsonLd")
{
var jsonLdWriter = new JsonLdWriter();
var store = new TripleStore();
store.Add(graph);
jsonLdWriter.Save(store, writer);
}
else
{
dynamic formattedWriter = new CompressingTurtleWriter();
if (outputFormat == "rdf/xml")
{
formattedWriter = new RdfXmlWriter();
}
else if (outputFormat == "n triples")
{
formattedWriter = new NTriplesWriter();
}
formattedWriter.Save(graph, writer);
}
return(writer.ToString());
}
/*
* public static bool SaveGraph(Tuple<IGraph, string, string> graph, string connectionString)
* {
* StringBuilder sb = new StringBuilder();
* using (System.IO.TextWriter writer = new System.IO.StringWriter(sb))
* {
* RdfJsonWriter jsonWriter = new RdfJsonWriter();
* jsonWriter.PrettyPrintMode = true;
* jsonWriter.Save(graph.Item1, writer);
* }
*
* MemoryStream stream = new MemoryStream();
* using (StreamWriter writer = new StreamWriter(stream))
* {
* writer.Write(sb.ToString());
* writer.Flush();
*
* stream.Seek(0, SeekOrigin.Begin);
* Publish(stream, graph.Item3, "application/json", connectionString);
* }
*
* return true;
* }
*/
public static bool SaveGraph(Tuple <IGraph, string, string> graph, string connectionString, string publishContainer)
{
JToken frame;
using (JsonReader jsonReader = new JsonTextReader(new StreamReader(graph.Item2)))
{
frame = JToken.Load(jsonReader);
}
MemoryStream stream = new MemoryStream();
using (StreamWriter writer = new StreamWriter(stream))
{
IRdfWriter rdfWriter = new JsonLdWriter {
Frame = frame
};
rdfWriter.Save(graph.Item1, writer);
writer.Flush();
stream.Seek(0, SeekOrigin.Begin);
Publish(stream, graph.Item3, "application/json", connectionString, publishContainer);
}
return(true);
}
public static JToken JsonFromGraph2(IGraph graph, string rootType, JToken context)
{
System.IO.StringWriter stringWriter = new System.IO.StringWriter();
IRdfWriter rdfWriter = new JsonLdWriter();
rdfWriter.Save(graph, stringWriter);
stringWriter.Flush();
JToken flattened = JToken.Parse(stringWriter.ToString());
return(flattened);
}
public static void Save(IGraph graph, JToken frame, string connectionString, string container, string name)
{
MemoryStream stream = new MemoryStream();
using (StreamWriter writer = new StreamWriter(stream))
{
IRdfWriter rdfWriter = new JsonLdWriter {
Frame = frame
};
rdfWriter.Save(graph, writer);
writer.Flush();
stream.Seek(0, SeekOrigin.Begin);
Utils.Publish(stream, name, "application/json", connectionString, container);
}
}
static JToken ApplyFrame(IGraph g, string frameName)
{
JToken frame;
using (JsonReader reader = new JsonTextReader(new StreamReader(frameName)))
{
frame = JToken.Load(reader);
}
StringWriter stringWriter = new StringWriter();
JsonLdWriter jsonLdWriter = new JsonLdWriter();
jsonLdWriter.Frame = frame;
jsonLdWriter.Save(g, stringWriter);
return(JToken.Parse(stringWriter.ToString()));
}
public static JObject JsonFromGraph(IGraph graph, string rootType, JToken context)
{
System.IO.StringWriter stringWriter = new System.IO.StringWriter();
IRdfWriter rdfWriter = new JsonLdWriter();
rdfWriter.Save(graph, stringWriter);
stringWriter.Flush();
JObject frame = new JObject();
frame.Add("@context", context);
frame.Add("@type", rootType);
//frame.Add("@embed", false);
JToken flattened = JToken.Parse(stringWriter.ToString());
JObject framed = JsonLdProcessor.Frame(flattened, frame, new JsonLdOptions());
JObject compacted = JsonLdProcessor.Compact(framed, context, new JsonLdOptions());
return(compacted);
}
public static string CreateJson(IGraph graph, JToken frame = null)
{
System.IO.StringWriter writer = new System.IO.StringWriter();
IRdfWriter rdfWriter = new JsonLdWriter();
rdfWriter.Save(graph, writer);
writer.Flush();
if (frame == null)
{
return(writer.ToString());
}
else
{
JToken flattened = JToken.Parse(writer.ToString());
JObject framed = JsonLdProcessor.Frame(flattened, frame, new JsonLdOptions());
JObject compacted = JsonLdProcessor.Compact(framed, frame["@context"], new JsonLdOptions());
return(compacted.ToString());
}
}
public static JToken FromRdf(IEnumerable <string> statements)
{
var stringBuilder = new StringBuilder();
foreach (var item in statements)
{
stringBuilder.AppendLine(item);
}
var reader = new StringReader(stringBuilder.ToString());
var store = new TripleStore();
var parser = new NQuadsParser(NQuadsSyntax.Rdf11);
parser.Load(store, reader);
var ldWriter = new JsonLdWriter();
var stringWriter = new System.IO.StringWriter();
ldWriter.Save(store, stringWriter);
return(JToken.Parse(stringWriter.ToString()));
}
static void Test0()
{
Console.WriteLine("JsonLDIntegrationTests.Test0");
IGraph g = new Graph();
TurtleParser parser = new TurtleParser();
parser.Load(g, "datatypes.test.ttl");
System.IO.StringWriter stringWriter = new System.IO.StringWriter();
JToken frame;
using (JsonReader reader = new JsonTextReader(new StreamReader("datatypes.context.json")))
{
frame = JToken.Load(reader);
}
JsonLdWriter jsonLdWriter = new JsonLdWriter();
jsonLdWriter.Save(g, stringWriter);
JToken flattened = JToken.Parse(stringWriter.ToString());
JObject framed = JsonLdProcessor.Frame(flattened, frame, new JsonLdOptions());
JObject compacted = JsonLdProcessor.Compact(framed, framed["@context"], new JsonLdOptions());
Console.WriteLine(compacted);
JToken flattened2 = JsonLdProcessor.Flatten(compacted, new JsonLdOptions());
IGraph g2 = new Graph();
JsonLdReader jsonLdReader = new JsonLdReader();
jsonLdReader.Load(g2, new StringReader(flattened2.ToString()));
CompressingTurtleWriter turtleWriter = new CompressingTurtleWriter();
turtleWriter.DefaultNamespaces.AddNamespace("ns", new Uri("http://tempuri.org/schema#"));
turtleWriter.Save(g2, Console.Out);
}
public static string CreateJson(IGraph graph, JToken frame = null)
{
System.IO.StringWriter writer = new System.IO.StringWriter();
IRdfWriter rdfWriter = new JsonLdWriter();
rdfWriter.Save(graph, writer);
writer.Flush();
if (frame == null)
{
return writer.ToString();
}
else
{
JToken flattened = JToken.Parse(writer.ToString());
JObject framed = JsonLdProcessor.Frame(flattened, frame, new JsonLdOptions());
JObject compacted = JsonLdProcessor.Compact(framed, framed["@context"], new JsonLdOptions());
return compacted.ToString();
}
}
