public static Map getPropertyMappings(String infileurl, boolean recommend, Map mappings)
throws IOException {
if (mappings == null) mappings = new HashMap();
else mappings = new HashMap(mappings);
GrabMappingsHandler handler = new GrabMappingsHandler(mappings, recommend);
if (infileurl.endsWith(".rdf")) parseRDFXML(handler, infileurl);
else if (infileurl.endsWith(".n3")) parseN3(handler, infileurl);
else if (infileurl.endsWith(".ntriple")) parseN3(handler, infileurl);
else parseRDFXML(handler, infileurl);
return handler.getMappings();
}
private static void parseN3(GrabMappingsHandler handler, String infileurl) {
Model model = ModelFactory.createDefaultModel();
model.read(infileurl, "N3");
AResourceImpl sub = new AResourceImpl();
AResourceImpl pred = new AResourceImpl();
AResourceImpl objres = new AResourceImpl();
ALiteralImpl objlit = new ALiteralImpl();
StmtIterator it = model.listStatements();
while (it.hasNext()) {
Statement stmt = it.nextStatement();
RDFNode object = stmt.getObject();
sub.setResource(stmt.getSubject());
pred.setResource(stmt.getPredicate());
if (object instanceof Literal) {
objlit.setLiteral((Literal) object);
handler.statement(sub, pred, objlit);
} else {
objres.setResource((Resource) object);
handler.statement(sub, pred, objres);
}
}
}