public void render(Map<String, ?> model, HttpServletRequest request, HttpServletResponse response) throws Exception {
DSpaceObject item = (DSpaceObject)request.getAttribute(ResourceIdentifierController.DSPACE_OBJECT);
Context context = new Context();
context.turnOffAuthorisationSystem();
String fileName = getFileName(item);
write(response, getRIS((Item) item, resourceIdentifier), fileName);
OutputStream aOutputStream = response.getOutputStream();