Package org.apache.jena.riot.system

Examples of org.apache.jena.riot.system.StreamRDF

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        try {
            URI baseURI = step.getNode().getBaseURI();
            URL url = baseURI.resolve(href).toURL();
            URLConnection conn = url.openConnection();

            StreamRDF dest = StreamRDFLib.dataset(dataset.asDatasetGraph());
            LangRIOT parser = RiotReader.createParser(conn.getInputStream(), lang, href, dest);
            ErrorHandler handler = new ParserErrorHandler(href);
            ParserProfile prof = RiotLib.profile(lang, href, handler);
            parser.setProfile(prof);
            try {
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        Reader reader = new StringReader(string) ;
        String baseIRI = "http://base/" ;
        Tokenizer tokenizer = TokenizerFactory.makeTokenizer(reader) ;
       
        Graph graph = GraphFactory.createDefaultGraph() ;
        StreamRDF sink = StreamRDFLib.graph(graph) ;
        LangTurtle parser = RiotReader.createParserTurtle(tokenizer, "http://base/", sink) ;
        parser.getProfile().setHandler(new ErrorHandlerEx()) ;
        parser.parse() ;
        return graph ;
    }
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    private static DatasetGraph parse(String... strings)
    {
        String string = StrUtils.strjoin("\n", strings) ;
        DatasetGraph dsg = DatasetLib.createDatasetGraphMem() ;
        StreamRDF sink = StreamRDFLib.dataset(dsg) ;
        Tokenizer tokenizer = TokenizerFactory.makeTokenizerString(string) ;
        LangTriG parser = RiotReader.createParserTriG(tokenizer, "http://base/", sink) ;
        parser.getProfile().setHandler(new ErrorHandlerEx()) ;
        parser.parse();
        return dsg ;
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            @Override
            public void flush() {}
            String formatNode(Node n) { return FmtUtils.stringForNode(n, sCxt) ; }
        } ;

        StreamRDF dest = StreamRDFLib.sinkQuads(sink) ;
        @SuppressWarnings("deprecation")
        LangRIOT parser = RiotReader.createParser(tokenizer, language, null, dest) ;
        // Don't resolve IRIs.  Do checking.
        parser.setProfile(RiotLib.profile(null, false, true, errorHandler)) ;
        return parser ;
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                log.debug("  ->"+target) ;
            existedBefore = target.exists() ;
            Graph g = target.graph() ;
            if ( overwrite && existedBefore )
                clearGraph(target) ;
            StreamRDF sink = StreamRDFLib.graph(g) ;
            incomingData(action, sink);
            action.commit() ;
            return existedBefore ;
        } catch (RiotException ex) {
            // Parse error
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     * @return whether the target existed beforehand.
     */
   
    protected static boolean addDataIntoNonTxn(HttpAction action, boolean overwrite) {
        Graph graphTmp = GraphFactory.createGraphMem() ;
        StreamRDF dest = StreamRDFLib.graph(graphTmp) ;

        try { incomingData(action, dest); }
        catch (RiotException ex) {
            errorBadRequest(ex.getMessage()) ;
            return false ;
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    {
        action.beginWrite() ;
        try {
            String name = action.request.getRequestURL().toString() ;
            DatasetGraph dsg = action.getActiveDSG() ;
            StreamRDF dest = StreamRDFLib.dataset(dsg) ;
            ReaderRIOT reader = RDFDataMgr.createReader(lang) ;
            reader.read(action.request.getInputStream(), name, null, dest, null);
            action.commit();
            success(action) ;
        } catch (IOException ex) { action.abort() ; }
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            DatasetGraph dsg = action.getActiveDSG() ;
            // This should not be anythign other than the datasets name via this route. 
            String name = action.request.getRequestURL().toString() ;
            //log.info(format("[%d] ** Content-length: %d", action.id, action.request.getContentLength())) ; 
            Graph g = dsg.getDefaultGraph() ;
            StreamRDF dest = StreamRDFLib.graph(g) ;
            ReaderRIOT reader = RDFDataMgr.createReader(lang) ;
            reader.read(action.request.getInputStream(), name, null, dest, null);
            action.commit();
            success(action) ;
        } catch (IOException ex) { action.abort() ; }
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            if ( ! name.endsWith("/") )
                name = name+ "/"  ;
            name = name+(++counter) ;
            Node gn = NodeFactory.createURI(name) ;
            Graph g = dsg.getGraph(gn) ;
            StreamRDF dest = StreamRDFLib.graph(g) ;
            ReaderRIOT reader = RDFDataMgr.createReader(lang) ;
            reader.read(action.request.getInputStream(), name, null, dest, null);
            log.info(format("[%d] Location: %s", action.id, name)) ;
            action.response.setHeader("Location",  name) ;
            action.commit();
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    // ** Worker.
    private static void readUtil(Graph graph, String uri, int limit)
    {
        // We need to do this ourselves, not via riot, to use the webStreamManager
        StreamRDF sink = StreamRDFLib.graph(graph) ;
        sink = new SinkRDFLimited(sink, limit) ;

        TypedInputStream input = Fuseki.webStreamManager.open(uri) ;
        RDFDataMgr.parse(sink, input, uri) ;
    }
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Related Classes of org.apache.jena.riot.system.StreamRDF

  • arq.examples.riot.ExRIOT_4
  • com.hp.hpl.jena.sparql.modify.UpdateEngineWorker
  • com.xmlcalabash.extensions.RDFLoad
  • org.apache.jena.fuseki.migrate.GraphLoadUtils
  • org.apache.jena.fuseki.servlets.REST_Quads
  • org.apache.jena.fuseki.servlets.SPARQL_REST_RW
  • org.apache.jena.fuseki.validation.DataValidator
  • org.apache.jena.riot.lang.TestLangNQuads
  • org.apache.jena.riot.lang.TestLangTrig
  • org.apache.jena.riot.lang.TestLangTurtle
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