outputStream.write(cellValue.getBytes());
outputStream.write(cellValue.toString().getBytes());
    private void exportCSVLine(final OutputStream outputStream, final String columnSeperator, final String lineSepeator, final List<String> cells) throws IOException {        final byte[] columnSeperatorAsBytes = columnSeperator.getBytes();        for (int i = 0; i < cells.size(); i++) {            final String cellValue = cells.get(i);            if (i > 0) {                outputStream.write(columnSeperatorAsBytes);            }            outputStream.write(cellValue.getBytes());                    }        outputStream.write(lineSepeator.getBytes());    }