Examples with WKTSerializer org.wikidata.query.rdf.blazegraph.inline.literal.WKTSerializer used on opensource projects

Example 1 with WKTSerializer

use of org.wikidata.query.rdf.blazegraph.inline.literal.WKTSerializer in project wikidata-query-rdf by wikimedia.

the class GeoService method getGlobeNode.

/**
 * Create globe node with appropriate value for coordSystem.
 */
protected TermNode getGlobeNode(BigdataValueFactory vf, ServiceParams serviceParams) {
    final TermNode globeNode = serviceParams.get(GLOBE_PARAM, null);
    if (globeNode == null) {
        return new DummyConstantNode(vf.createLiteral(WKTSerializer.NO_GLOBE));
    }
    if (!globeNode.isConstant()) {
        // FIXME: add support for this
        throw new IllegalArgumentException("Non-constant globe value is not supported yet.");
    }
    BigdataValue v = globeNode.getValue();
    if (v instanceof BigdataURI) {
        WKTSerializer ser = new WKTSerializer();
        try {
            return new DummyConstantNode(vf.createLiteral(ser.trimCoordURI(v.stringValue())));
        } catch (GeoSpatialSearchException e) {
            // Unexpectedly wrong URI - still pass it along
            return globeNode;
        }
    }
    return globeNode;
}