Package org.trippi

Examples of org.trippi.TripleIterator.toStream()

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            map.put(RDF.prefix, RDF.uri);

            try {
                TripleIterator triples =
                        new FilteredTripleIterator(map, toAdd, true);
                triples.toStream(out, RDFFormat.RDF_XML, false);
            } catch (TrippiException e) {
                throw new GeneralException(e.getMessage(), e);
            }

            dsxml = new XMLDatastreamProcessor(dsId);
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                outputFormat = RDFFormat.SPARQL;
                mediaType = new MediaType("application", "sparql-results+xml");
            } else {
                throw new IllegalArgumentException("unknown format: " + format);
            }
            it.toStream(out, outputFormat);
            return Response.ok(out.toString("UTF-8"), mediaType).build();
        } catch (ServerException e) {
            return handleException(e, flash);
        } catch (TrippiException e) {
            return handleException(e, flash);
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    public void export(OutputStream out, RDFFormat format)
            throws ResourceIndexException {
        try {
            TripleIterator it = _writer.findTriples(null, null, null, 0);
            it.setAliasMap(_writer.getAliasMap());
            it.toStream(out, format);
        } catch (TrippiException e) {
            throw new ResourceIndexException("Unable to export RI", e);
        }
    }
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        FileOutputStream out = null;
        try {
            // write all to temp file
            TripleIterator triples = _ri.findTriples(null, null, null, -1);
            out = new FileOutputStream(dump);
            triples.toStream(out, RDFFormat.TURTLE);
            try {
                out.close();
            } catch (Exception e) {
            }
            out = null;
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    private void validateAndClear(String dsId) throws Exception {
        try {
            TripleIterator iter = new MockTripleIterator(triples);
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            iter.toStream(out, RDFFormat.RDF_XML, false);
            new RelsValidator().validate(pid, dsId, new ByteArrayInputStream(out.toByteArray()));
        } finally {
            triples.clear();
        }
    }
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