code: @Override
      public void add(InputStream in, String baseURI, RDFFormat dataFormat, Resource... contexts) throws IOException, RDFParseException, RepositoryException {
          getClient().sendAdd(in, baseURI, dataFormat, contexts);
      }
docs: add triples via inputstream
  
  @param in
  @param baseURI
  @param dataFormat
  @param contexts
  @throws IOException
  @throws RDFParseException
  @throws RepositoryException