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(); } }