Method writeCatalog

tools/src/main/java/be/gov/data/tools/EDP.java:996–1037

Write DCAT catalog to XML. @param w XML writer @param con RDF triple store connection

(XMLStreamWriter w, RepositoryConnection con)

	 * @param con RDF triple store connection
	 */
	private static void writeCatalog(XMLStreamWriter w, RepositoryConnection con)
		throws XMLStreamException {
		String cat = "http://data.gov.be/catalog";

		w.writeStartElement("rdf:RDF");
		writePrefixes(w);

		w.writeStartElement("dcat:Catalog");
		w.writeAttribute("dct:identifier", cat);
		w.writeAttribute("rdf:about", cat);

		IRI uri = con.getValueFactory().createIRI(cat);
		writeGeneric(w, con, uri);
		writeReferences(w, con, uri, FOAF.HOMEPAGE, "foaf:homepage");
		writeReferences(w, con, uri, DCTERMS.LICENSE, "dct:license");
		writeResources(w, con, DCAT.DATASET, "dcat:Dataset", "dcat:dataset");
		writeResources(w, con, DCAT.DATA_SERVICE, "dcat:DataService", "dcat:service");

		w.writeEndElement();

		writeResources(w,con, DCAT.DATASET_SERIES, "dcat:DatasetSeries", null); // there's no dcat:datasetseries property in a catalog
	
		writeAgents(w, con);

		writeLocations(w, con);
	
		writeDocuments(w, con, DCTERMS.PROVENANCE, "dct:ProvenanceStatement");
		writeDocuments(w, con, DCTERMS.LICENSE, "dct:LicenseDocument");
		writeDocuments(w, con, DCTERMS.RIGHTS, "dct:RightsStatement");
		writeDocuments(w, con, DCTERMS.CONFORMS_TO, "dct:Standard");

		writeConcepts(w, con, DCTERMS.ACCESS_RIGHTS, "dct:RightsStatement");
		writeConcepts(w, con, DCTERMS.ACCRUAL_PERIODICITY, "dct:Frequency");
		writeConcepts(w, con, DCTERMS.LANGUAGE, "dct:LinguisticSystem");
		writeConcepts(w, con, DCTERMS.FORMAT, "dct:MediaTypeOrExtent");
		writeConcepts(w, con, DCTERMS.TYPE, "skos:Concept");
		writeConcepts(w, con, DCAT.MEDIA_TYPE, "dct:MediaType");
		writeConcepts(w, con, DCAT.COMPRESS_FORMAT, "dct:MediaType");
		writeConcepts(w, con, DCAT.THEME, "skos:Concept");

		w.writeEndElement();
	}

	/**
	 * Return indenting XML serializer