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