@Override
public void load(Format format, InputStream is, UID context, boolean replace) {
RDFReader reader;
if (format == Format.RDFXML) {
reader = new JenaReader();
} else if (format == Format.TURTLE || format == Format.NTRIPLES) {
reader = new TurtleReader();
} else {
throw new IllegalArgumentException(format.toString());
}
Model model =
context == null ? dataset.getDefaultModel() : dataset.getNamedModel(context.getId());
Assert.notNull(model, "model");
reader.read(model, is, context != null ? context.getId() : null);
}
@Override
public void export(Format format, Map<String, String> ns2prefix, UID context, OutputStream os) {
RDFWriter writer;
if (format == Format.RDFXML) {
Basic w = new Basic();
for (Map.Entry<String, String> entry : ns2prefix.entrySet()) {
w.setNsPrefix(entry.getValue(), entry.getKey());
}
writer = w;
} else if (format == Format.NTRIPLES) {
writer = new NTripleWriter();
} else if (format == Format.TURTLE || format == Format.N3) {
writer = new N3TurtleJenaWriter();
} else {
throw new IllegalArgumentException(format.toString());
}
if (context != null) {
writer.write(dataset.getNamedModel(context.getId()), os, null);
} else {
// TODO : export also other models
writer.write(dataset.getDefaultModel(), os, null);
}
}