Extractor extractor = factory.get();
RDFContainerFactory containerFactory =
new RDFContainerFactoryImpl();
RDFContainer container =
containerFactory.getRDFContainer(docId);
extractor.extract(
container.getDescribedUri(),
new BufferedInputStream(in, 8192),
null, mimeType, container);
in.close();
result = container.getModel();