private static string MakeNQuadsList(ITripleStore store)
        {
            var ser = new NQuadsWriter();

            using (var expectedTextWriter = new System.IO.StringWriter())
            {
                ser.Save(store, expectedTextWriter);
                var lines = expectedTextWriter.ToString().Split('\n').Select(x => x.Trim()).ToList();
                lines.Sort();
                return(String.Join(Environment.NewLine, lines));
            }
        }
        public static IEnumerable <string> ToRdf(JToken token, JsonLdProcessorOptions options)
        {
            var jsonLdParser = new JsonLdParser(options);
            var store        = new TripleStore();

            jsonLdParser.Load(store, new StringReader(token.ToString(Newtonsoft.Json.Formatting.None)));

            var nqWriter = new NQuadsWriter(NQuadsSyntax.Rdf11);

            using var expectedTextWriter = new System.IO.StringWriter();
            nqWriter.Save(store, expectedTextWriter);
            return(expectedTextWriter.ToString().Split(Environment.NewLine).Where(x => !string.IsNullOrWhiteSpace(x)));
        }
Beispiel #3
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        public void Dispose()
        {
            //Create all of the directories required for the file
            var f = new FileInfo(_outputPath);

            f.Directory.Create();

            if (this._outputFormat == ERdfFormat.RdfXml)
            {
                using (XmlTextWriter xmlWriter = new XmlTextWriter(_outputPath, new UTF8Encoding(false)))
                //Set encoding
                {
                    _output.Save(xmlWriter);
                }
            }
            else if (this._outputFormat == ERdfFormat.TriG)
            {
                string fileNameAsTrig = GetFilePathBasedOnFormat();
                var    outparams      = new StreamParams(fileNameAsTrig);
                outparams.Encoding = Encoding.UTF8;
                var writer = new TriGWriter();

                if (_store == null)
                {
                    var g = GetXmlDocumentAsGraph();
                    _store = new TripleStore();
                    _store.Add(g, true);
                }

                writer.Save(_store, outparams);
            }
            else if (this._outputFormat == ERdfFormat.Turtle)
            {
                var    g = GetXmlDocumentAsGraph();
                string filePathForFormat = GetFilePathBasedOnFormat();
                var    writer            = new TurtleWriter(TurtleSyntax.W3C);
                writer.Save(g, filePathForFormat);
            }
            else if (this._outputFormat == ERdfFormat.NTriples)
            {
                var    g = GetXmlDocumentAsGraph();
                string filePathForFormat = GetFilePathBasedOnFormat();
                var    writer            = new NTriplesWriter();
                writer.Save(g, filePathForFormat);
            }
            else if (this._outputFormat == ERdfFormat.N3)
            {
                var    g = GetXmlDocumentAsGraph();
                string filePathForFormat = GetFilePathBasedOnFormat();
                var    writer            = new Notation3Writer();
                writer.Save(g, filePathForFormat);
            }
            else if (this._outputFormat == ERdfFormat.NQuads)
            {
                string filePathForFormat = GetFilePathBasedOnFormat();
                var    outparams         = new StreamParams(filePathForFormat);
                outparams.Encoding = Encoding.UTF8;

                if (_store == null)
                {
                    var g = GetXmlDocumentAsGraph();
                    _store = new TripleStore();
                    _store.Add(g, true);
                }

                var writer = new NQuadsWriter();
                writer.Save(_store, outparams);
            }

            //make sure it's not null - can happen if no graphs have yet to be asserted!!
            if (_store != null)
            {
                foreach (var graph in _store.Graphs)
                {
                    graph.Dispose();
                }
                _store.Dispose();
                GC.Collect();
            }
        }