Write location info @param w XML writer @param con RDF triple store connection @throws XMLStreamException
(XMLStreamWriter w, RepositoryConnection con)
| 901 | * @throws XMLStreamException |
| 902 | */ |
| 903 | private static void writeLocations(XMLStreamWriter w, RepositoryConnection con) throws XMLStreamException { |
| 904 | int nr = 0; |
| 905 | |
| 906 | try (RepositoryResult<Statement> res = con.getStatements(null, RDF.TYPE, DCTERMS.LOCATION)) { |
| 907 | while (res.hasNext()) { |
| 908 | IRI location = (IRI) res.next().getSubject(); |
| 909 | if (con.hasStatement(null, null, location, false)) { |
| 910 | Value bbox = null; |
| 911 | try(RepositoryResult<Statement> bboxes = con.getStatements(location, DCAT.BBOX, null)) { |
| 912 | while (bboxes.hasNext()) { |
| 913 | Value val = bboxes.next().getObject(); |
| 914 | if (val.stringValue().startsWith("POLYGON")) { |
| 915 | bbox = val; |
| 916 | } |
| 917 | } |
| 918 | } |
| 919 | if (bbox != null) { |
| 920 | nr++; |
| 921 | w.writeStartElement("dct:Location"); |
| 922 | w.writeAttribute("rdf:about", location.toString()); |
| 923 | writeLiteral(w, "dcat:bbox", bbox); |
| 924 | w.writeEndElement(); |
| 925 | } |
| 926 | } |
| 927 | } |
| 928 | } |
| 929 | LOG.info("Wrote {} locations", nr); |
| 930 | } |
| 931 | |
| 932 | /** |
| 933 | * Write FOAF organization |
no test coverage detected