protected Map[] parseRequest(HttpServletRequest request) throws FileUploadException, UnsupportedEncodingException {
Map[] parameters = new Map[4];
if (FileUpload.isMultipartContent(request)) {
UploadListener uploadListener = new UploadListener(request, this.sessionKey);
DiskFileItemFactory factory = new MonitoredDiskFileItemFactory(uploadListener);
factory.setRepository(new File(this.uploadRoot));
ServletFileUpload upload = new ServletFileUpload(factory);
String encoding = request.getCharacterEncoding();
if (encoding == null) {
encoding = "UTF-8";