@Override
public OWLDocumentFormat parse(OWLOntologyDocumentSource documentSource,
OWLOntology ontology, OWLOntologyLoaderConfiguration configuration)
throws IOException {
try {
KRSSDocumentFormat format = new KRSSDocumentFormat();
KRSSParser parser;
if (documentSource.isReaderAvailable()) {
parser = new KRSSParser(documentSource.getReader());
} else if (documentSource.isInputStreamAvailable()) {
parser = new KRSSParser(documentSource.getInputStream());