@Override
public void exportData(OutputStream outputStream, URI resource, URI context, String mimeType) throws UnsupportedExporterException, IOException {
RDFFormat serializer = ioService.getSerializer(mimeType);
if(serializer == null) {
log.warn("could not find serializer for MIME type {}",mimeType);
throw new UnsupportedExporterException("No serializer for mime type "+mimeType);
}
// HINT: This method might be executed outside a transaction!
RDFWriter handler = Rio.createWriter(serializer,outputStream);
try {
RepositoryConnection connection = sesameService.getConnection();