Package org.openjena.riot

Examples of org.openjena.riot.Lang

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        } else if ("bz2".equalsIgnoreCase(FilenameUtils.getExtension(name))) {
            is = new BZip2CompressorInputStream(is);
            name = FilenameUtils.removeExtension(name);
            log.debug("   - from BZip2 Archive");
        }// TODO: No Zip Files inside Zip Files supported :o( ^^
        Lang format = Lang.guess(name);
        // For N-Triple we can use the TDBLoader
        if (format == null) {
            log.warn("ignore File {} because of unknown extension ");
            return ResourceState.IGNORED;
        } else if (format == Lang.NTRIPLES) {
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        datafiles  = super.getPositional() ;

        for( String filename : datafiles)
        {
            Lang lang = Lang.guess(filename, Lang.NQUADS) ;
            if ( lang == null )
                // Does not happen due to default above.
                cmdError("File suffix not recognized: " +filename) ;
            if ( ! FileOps.exists(filename) )
                cmdError("File does not exist: "+filename) ;
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                    cmdLog.info("Load: "+filename+" -- "+Utils.nowAsString()) ;
               
                InputStream in = IO.openFile(filename) ;
                Tokenizer tokenizer = TokenizerFactory.makeTokenizerUTF8(in) ;
                ParserProfile profile = createParserProfile(runId, filename);
                Lang lang = Lang.guess(filename, Lang.NQUADS) ;
                if ( lang.isTriples() ) {
                    LangNTriples parser = new LangNTriples(tokenizer, profile, sink2) ;
                    parser.parse() ;
                } else {
                    LangNQuads parser = new LangNQuads(tokenizer, profile, sink) ;
                    parser.parse() ;
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        }
       
        boolean allTriples = true ;
        for ( String url : urls )
        {
            Lang lang = Lang.guess(url, Lang.NQUADS) ;
            if ( lang != null && lang.isQuads() )
            {
                allTriples = false ;
                break ;
            }
        }
       
        if ( allTriples && graphName == null )
        {
            loadDefaultGraph(urls) ;
            return ;
        }
       
        if ( graphName == null )
        {
            loadQuads(urls) ;
            return ;
        }

        // graphName != null
        if ( ! allTriples )
        {
            for ( String url : urls )
            {
                Lang lang = Lang.guess(url, Lang.NQUADS) ;
                if ( lang == null )
                    // Does not happen due to default above.
                    cmdError("File suffix not recognized: " +url) ;
                if ( lang != null && ! lang.isTriples() )
                    cmdError("Can only load triples into a named model: "+url) ;
            }
            cmdError("Internal error: deteched quad input but can't find it again") ;
            return ;
        }
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            String syntax = httpRequest.getParameter(paramSyntax) ;
            if ( syntax == null || syntax.equals("") )
                syntax = Lang.NQUADS.getName() ;

            Lang language = Lang.get(syntax) ;
            if ( language == null )
            {
                httpResponse.sendError(HttpServletResponse.SC_BAD_REQUEST, "Unknown syntax: "+syntax) ;
                return ;
            }
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        // Yes - we ignore the charset.
        // Either it's XML and so the XML parser deals with it, or the
        // language determines the charset and the parsers offer InputStreams.  
      
        Lang lang = FusekiLib.langFromContentType(ts.getMediaType()) ;
        if ( lang == null )
            throw new FusekiException("Unknown lang for "+ts.getMediaType()) ;
        Sink<Triple> sink = new SinkTriplesToGraph(graph) ;
        LangRIOT parser ;
       
        if ( lang.equals(Lang.RDFXML) )
            parser = LangRDFXML.create(ts, base, base, null, sink) ;
        else
            parser = RiotReader.createParserTriples(ts, lang, base, sink) ;
        parser.parse() ;
        IO.close(ts) ;
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            String filename = getValue(argFile) ;
            log.info("Dataset: in-memory: load file: "+filename) ;
            if ( ! FileOps.exists(filename) )
                throw new CmdException("File not found: "+filename) ;

            Lang language = Lang.guess(filename) ;
            if ( language == null )
                throw new CmdException("Can't guess language for file: "+filename) ;
            InputStream input = IO.openFile(filename) ;
           
            if ( language.isQuads() )
            {
                Sink<Quad> sink = new SinkQuadsToDataset(dsg) ;
                RiotLoader.readQuads(input, language, filename, sink) ;
            }
            else
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//        if ( false )
//            SetupTDB.makeNodeTable(location, locationString, 0, outputFile, 0) ;

        for( String filename : datafiles)
        {
            Lang lang = Lang.guess(filename, Lang.NQUADS) ;
            if ( lang == null )
                // Does not happen due to default above.
                cmdError("File suffix not recognized: " +filename) ;
            if ( ! FileOps.exists(filename) )
                cmdError("File does not exist: "+filename) ;
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        {
            if ( datafiles.size() > 0 )
                cmdLog.info("Load: "+filename+" -- "+Utils.nowAsString()) ;
           
            InputStream in = IO.openFile(filename) ;
            Lang lang = Lang.guess(filename, Lang.NQUADS) ;
            if ( lang.isTriples() )
                RiotLoader.readTriples(in, lang, null, sink2) ;
            else
                RiotLoader.readQuads(in, lang, null, sink) ;
        }
        sink.close() ;
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        {
          actualContentType = modelContentType;
        }
       
        //Try to select language appropriately here based on the model content type
        Lang lang = WebContent.contentTypeToLang(actualContentType);
        if (!lang.isTriples()) throw new QueryException("Endpoint returned Content Type: " + actualContentType + " which is not a valid RDF Graph syntax");
        model.read(in, null, lang.getName()) ;
       
        return model ;
    }
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Related Classes of org.openjena.riot.Lang

  • com.hp.hpl.jena.sparql.engine.http.QueryEngineHTTP
  • com.hp.hpl.jena.tdb.store.bulkloader2.CmdNodeTableBuilder
  • com.hp.hpl.jena.tdb.TDBLoader
  • org.apache.jena.fuseki.FusekiCmd
  • org.apache.jena.fuseki.http.DatasetGraphAccessorHTTP
  • org.apache.jena.fuseki.migrate.GraphLoadUtils
  • org.apache.jena.fuseki.servlets.ResponseModel
  • org.apache.jena.fuseki.servlets.REST_Quads
  • org.apache.jena.fuseki.servlets.SPARQL_REST_R
  • org.apache.jena.fuseki.validation.DataValidator
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