unibremen/informatik/OWL2Parser.java

	OWL2Parser.java revision 2e08f62eab7a9bd9becf08ce32871a39306e4798
d25c69509848853b0b15b93e3cc180cab81047acChristian Maederimport org.coode.owlapi.owlxml.renderer.OWLXMLRenderer;
d25c69509848853b0b15b93e3cc180cab81047acChristian Maederimport org.coode.owlapi.rdf.rdfxml.RDFXMLRenderer;
2578a6d217296401d347302c9104fee179bd0470Francisc Nicolae Bungiuimport org.semanticweb.owlapi.apibinding.OWLManager;
d25c69509848853b0b15b93e3cc180cab81047acChristian Maederimport org.semanticweb.owlapi.io.OWLRendererException;
6f52b2f195d946649597c21e5888c70ccfeeb81eChristian Maederimport org.semanticweb.owlapi.io.StreamDocumentSource;
9a15a025b733a3913ea347ddabc837bb1a0a3b90Christian Maederimport org.semanticweb.owlapi.model.*;
478b7abe044f6dcc5bb0db7cd9155ddc1730ed1bFrancisc Nicolae Bungiuimport org.semanticweb.owlapi.util.OWLOntologyMerger;
43f8464f7a29c9609509b9c58925f0432263803dSimon Ulbrichtimport org.semanticweb.owlapi.model.OWLOntologyLoaderConfiguration;
2578a6d217296401d347302c9104fee179bd0470Francisc Nicolae Bungiuimport uk.ac.manchester.cs.owl.owlapi.mansyntaxrenderer.ManchesterOWLSyntaxRenderer;
43f8464f7a29c9609509b9c58925f0432263803dSimon Ulbrichtimport uk.ac.manchester.cs.owl.owlapi.OWLOntologyIRIMapperImpl;
2578a6d217296401d347302c9104fee179bd0470Francisc Nicolae Bungiu
9a15a025b733a3913ea347ddabc837bb1a0a3b90Christian Maederimport java.io.*;
8890c291ae8120c275f8a88594ecd23f78b80013Christian Maederimport java.net.*;
91e24fc45834b35f2a3830d72565640251149bf3Christian Maederimport java.util.HashSet;
91e24fc45834b35f2a3830d72565640251149bf3Christian Maederimport java.util.Set;
2578a6d217296401d347302c9104fee179bd0470Francisc Nicolae Bungiu
2578a6d217296401d347302c9104fee179bd0470Francisc Nicolae Bungiupublic class OWL2Parser {
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben    private static enum OPTION {QUICK_OWL_XML, OWL_XML, MANCHESTER, RDF_XML, OBO}
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder    private static OPTION op;
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder    private static Boolean cyclic = false;
7ca6e1b0867fc982f00128017f530b433ea8a37fChristian Maeder    private static final Set<IRI> missingImports = new HashSet<IRI>();
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder    private static Set<OWLOntology> ontologies;
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder    private static final Set<OWLOntology> exported = new HashSet<OWLOntology>();
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben    private static OWLOntologyManager manager = setupManagerWithMissingImportListener();
43f8464f7a29c9609509b9c58925f0432263803dSimon Ulbricht    private static OWLOntologyIRIMapperImpl mapper = new OWLOntologyIRIMapperImpl();
43f8464f7a29c9609509b9c58925f0432263803dSimon Ulbricht
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder    public static void main(String[] args) {
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        // A simple example of how to load and save an ontology
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        try {
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            op = OPTION.MANCHESTER;
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            BufferedWriter out = new BufferedWriter(new OutputStreamWriter(System.out));
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben            switch (args.length) {
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                default :
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                    System.out.println("Usage: processor <URI> [FILENAME] <OPTION>");
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                    System.exit(1);
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                    break;
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                // args[0]: IRI
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                case 1 :
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                    break;
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                // args[0]: IRI
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                // args[1]: type of output, or otherwise use argument as file name
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                // with Manchester syntax
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                case 2 :
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                    if (!parseOption(args[1]))
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                        out = new BufferedWriter(new FileWriter(args[1]));
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                    break;
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder                // args[0]: IRI
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder                // args[1]: name of output file
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder                // args[2]: type of output file: xml, rdf, or otherwise assume Manchester syntax
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                case 3 :
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                    out = new BufferedWriter(new FileWriter(args[1]));
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                    parseOption(args[2]);
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                    break;
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            }
04fceeab0047ae1614c04847e6ab01b3323482feChristian Maeder            out.write("<Ontologies>\n");
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            /* Load an ontology from a physical IRI */
8890c291ae8120c275f8a88594ecd23f78b80013Christian Maeder            String inp = args[0];
8890c291ae8120c275f8a88594ecd23f78b80013Christian Maeder            URI uri;
0628b83b5b7d142c07ff7d460f77f7f86e3ec33dChristian Maeder            if (inp.startsWith("http:") || inp.startsWith("https:"))
7d9a0481d5d814e945e4b01599e177f79f69fd3dChristian Maeder                uri = new URI(inp);
0628b83b5b7d142c07ff7d460f77f7f86e3ec33dChristian Maeder            else uri = new File(inp).toURI();
a933696a057bd1ad025d2d8e6b7079cc8e979d6eChristian Maeder            URLConnection con = uri.toURL().openConnection();
ebe1b5c42cea5468e66f088648362125cb3c2818Christian Maeder            con.addRequestProperty("Accept", "text/plain");
47bae6b7cf4f66223e52d0e1fd547fd620b3209dChristian Maeder            StreamDocumentSource sds = new StreamDocumentSource(con.getInputStream(), IRI.create(uri));
6f52b2f195d946649597c21e5888c70ccfeeb81eChristian Maeder            OWLOntologyLoaderConfiguration config = new OWLOntologyLoaderConfiguration();
6f52b2f195d946649597c21e5888c70ccfeeb81eChristian Maeder            config = config.setMissingImportHandlingStrategy(MissingImportHandlingStrategy.SILENT);
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht            OWLOntology ontology = manager.loadOntologyFromOntologyDocument(sds, config);
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht            if (!missingImports.isEmpty()) {
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht                IRI ontohub = IRI.create("https://ontohub.org/external/");
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht                for (IRI mi : missingImports) {
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht                    mapper.addMapping(mi, ontohub.resolve(mi.toURI().getHost() + mi.toURI().getPath()));
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht                }
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                // reset the manager. clear out imports to avoid duplicates
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben                manager = setupManagerWithMissingImportListener();
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht                manager.addIRIMapper(mapper);
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht                // collect and report missing imports again.
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht                missingImports.clear();
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht                ontology = manager.loadOntologyFromOntologyDocument(sds, config);
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht                for (IRI mi : missingImports) {
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht                    out.write("<Missing>" + mi + "</Missing>\n");
c1cca90cf3d763a48705ddaeeffb3c2d82e9e37eSimon Ulbricht                }
43f8464f7a29c9609509b9c58925f0432263803dSimon Ulbricht            }
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder            ontologies = getImports(ontology, new HashSet<OWLOntology>());
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder            if (cyclic) {
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                String str = ontology.getOntologyID().getOntologyIRI().toString();
7cfebf9e7fdb17e6977a47a593f5dae3bc3d15b0Christian Maeder                String merged_name = str + ".merged.owl"; // we must make a new name!
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                // System.out.println("NAME: " + merged_name + "\n");
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                IRI mergedOntologyIRI = IRI.create(merged_name);
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                // System.out.println("MERGED_IRI " + mergedOntologyIRI + "\n");
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder                OWLOntology merged;
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder                if (op == OPTION.QUICK_OWL_XML)
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder                    merged = manager.createOntology(mergedOntologyIRI);
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder                else {
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder                    OWLOntologyMerger merger = new OWLOntologyMerger(manager);
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder                    merged = merger.createMergedOntology(manager, mergedOntologyIRI);
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder                }
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                renderUsingOption(merged, out);
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder            } else {
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                ontologies.add(ontology);
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                exportImports(out);
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            }
04fceeab0047ae1614c04847e6ab01b3323482feChristian Maeder            out.write("\n</Ontologies>\n");
04fceeab0047ae1614c04847e6ab01b3323482feChristian Maeder            out.flush();
04fceeab0047ae1614c04847e6ab01b3323482feChristian Maeder            out.close();
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        } catch (Exception ex) {
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            System.err.println("OWL parse error: " + ex.getMessage());
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            ex.printStackTrace();
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder    }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben    private static boolean parseOption (String option) {
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben        if(option.equals("quick")) op = OPTION.QUICK_OWL_XML;
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben        else if(option.equals("xml")) op = OPTION.OWL_XML;
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben        else if(option.equals("rdf")) op = OPTION.RDF_XML;
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben        else if(option.equals("obo")) op = OPTION.OBO;
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben        else if(option.equals("omn")) op = OPTION.MANCHESTER;
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben        else return false;
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben        return true;
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben    }
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben    private static OWLOntologyManager setupManagerWithMissingImportListener () {
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben        OWLOntologyManager mgr = OWLManager.createOWLOntologyManager();
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben        mgr.addMissingImportListener(new HasMissingImports());
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben        return mgr;
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben    }
2e08f62eab7a9bd9becf08ce32871a39306e4798Szaben
7ca6e1b0867fc982f00128017f530b433ea8a37fChristian Maeder    private static class HasMissingImports implements MissingImportListener {
7ca6e1b0867fc982f00128017f530b433ea8a37fChristian Maeder        @Override
7ca6e1b0867fc982f00128017f530b433ea8a37fChristian Maeder        public void importMissing(MissingImportEvent event) {
7ca6e1b0867fc982f00128017f530b433ea8a37fChristian Maeder            missingImports.add(event.getImportedOntologyURI());
7ca6e1b0867fc982f00128017f530b433ea8a37fChristian Maeder        }
7ca6e1b0867fc982f00128017f530b433ea8a37fChristian Maeder    }
7ca6e1b0867fc982f00128017f530b433ea8a37fChristian Maeder
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder    private static Set<OWLOntology> getImports(OWLOntology ontology, Set<OWLOntology> stop) {
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder        Set<OWLOntology> s = new HashSet<OWLOntology>();
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder        Set<OWLOntology> next = new HashSet<OWLOntology>(stop);
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder        next.add(ontology);
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder        for (OWLOntology imported : ontology.getDirectImports())
c50adef8a083be353c6f07af011359ed16a98d15Christian Maeder            if (cyclic || next.contains(imported)) cyclic = true;
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder            else if (!s.contains(imported)) {
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                Set<OWLOntology> i = getImports(imported, next);
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                s.add(imported);
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                s.addAll(i);
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            }
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder        return s;
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder    }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder    private static void exportImports(BufferedWriter out) {
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder        Boolean changed;
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder        do {
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder            changed = false;
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder            for (OWLOntology onto : ontologies)
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                if (exported.containsAll(onto.getDirectImports())) {
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                    if (!exported.contains(onto)) {
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                        changed = exported.add(onto);
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                        renderUsingOption(onto, out);
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder                    }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder                }
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder        } while (changed);
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder    }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder
8c67d928dcfe67b665392c4d52eab299f7fabfc6Christian Maeder    private static void renderUsingOption(OWLOntology onto, BufferedWriter out) {
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        switch (op) {
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder            case QUICK_OWL_XML:
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder                renderAsXml(true, onto, out);
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder                break;
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            case OWL_XML:
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder                renderAsXml(false, onto, out);
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder                break;
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            case MANCHESTER:
8c67d928dcfe67b665392c4d52eab299f7fabfc6Christian Maeder                renderAsOmn(onto, out);
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder                break;
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            case RDF_XML:
8c67d928dcfe67b665392c4d52eab299f7fabfc6Christian Maeder                renderAsRdf(onto, out);
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder                break;
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder    }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder
8c67d928dcfe67b665392c4d52eab299f7fabfc6Christian Maeder    private static void renderAsOmn(OWLOntology onto, BufferedWriter out) {
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        try {
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder            ManchesterOWLSyntaxRenderer rendi = new ManchesterOWLSyntaxRenderer();
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            rendi.render(onto, out);
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        } catch (OWLRendererException ex) {
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            System.err.println("Error by ManchesterParser!");
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            ex.printStackTrace();
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder    }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder    private static void renderAsXml(boolean quick, OWLOntology onto, BufferedWriter out) {
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        try {
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder            OWLXMLRenderer ren = new OWLXMLRenderer();
f792c718a71c2e62f9a22b6ed5e9146704fc08b9Christian Maeder            File tempFile = File.createTempFile("owlTemp", ".xml");
f792c718a71c2e62f9a22b6ed5e9146704fc08b9Christian Maeder            FileWriter buf = new FileWriter(tempFile);
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder            if (quick) {
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder                onto.getOWLOntologyManager().removeAxioms(onto, onto.getAxioms());
91e24fc45834b35f2a3830d72565640251149bf3Christian Maeder            }
4ba4ec250c14dcdee866a16eeabb61917f7cb028Christian Maeder            ren.render(onto, buf);
f792c718a71c2e62f9a22b6ed5e9146704fc08b9Christian Maeder            buf.flush();
f792c718a71c2e62f9a22b6ed5e9146704fc08b9Christian Maeder            buf.close();
f792c718a71c2e62f9a22b6ed5e9146704fc08b9Christian Maeder            BufferedReader rBuf = new BufferedReader(new FileReader(tempFile));
f792c718a71c2e62f9a22b6ed5e9146704fc08b9Christian Maeder            rBuf.readLine();   // ignore the first line containing <?xml version="1.0"?>
f792c718a71c2e62f9a22b6ed5e9146704fc08b9Christian Maeder            while (rBuf.ready()) out.append(rBuf.readLine()).append("\n");
f792c718a71c2e62f9a22b6ed5e9146704fc08b9Christian Maeder            rBuf.close();
f792c718a71c2e62f9a22b6ed5e9146704fc08b9Christian Maeder            tempFile.deleteOnExit();
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder            out.append("<Loaded name=\"").append(manager.getOntologyDocumentIRI(onto));
8c67d928dcfe67b665392c4d52eab299f7fabfc6Christian Maeder            out.append("\" ontiri=\"").append(onto.getOntologyID().getOntologyIRI()).append("\"/>\n");
b9a7827caf331ae5b7eb491455d7e647c83f1345Christian Maeder        } catch (Exception ex) {
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            System.err.println("Error by XMLParser!");
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            ex.printStackTrace();
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder    }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder
8c67d928dcfe67b665392c4d52eab299f7fabfc6Christian Maeder    private static void renderAsRdf(OWLOntology onto, BufferedWriter out) {
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        try {
4efb09a1f46a0b322633b729c9a9fd50bf270125Christian Maeder            RDFXMLRenderer rdfrend = new RDFXMLRenderer(onto, out);
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            rdfrend.render();
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        } catch (IOException ex) {
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            System.err.println("Error by RDFParser!");
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder            ex.printStackTrace();
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder        }
d25c69509848853b0b15b93e3cc180cab81047acChristian Maeder    }
2578a6d217296401d347302c9104fee179bd0470Francisc Nicolae Bungiu}