* @return
* @throws IOException
*/
protected ServletCallBean preprocess(HttpServletRequest request) {
String serialize = request.getParameter(PARAM_SERIALIZE);
FieldValueWrapperMap reqparams = ContextKeeper.readRequestParams(request);
ServletCallBean bean = new ServletCallBean();
boolean isAjaxCall = "XMLHttpRequest".equals(request.getHeader("X-Requested-With"));
bean.setSerialization((ISerialization)null);
bean.setRequest(request);