/**
   * Parse request parameters and files.
   *
   * @param request
   * @param response
   */
  protected void parseRequest(HttpServletRequest request, HttpServletResponse response) {
    requestParams = new HashMap<String, Object>();
    listFiles = new ArrayList<FileItemStream>();
    listFileStreams = new ArrayList<ByteArrayOutputStream>();

    // Parse the request
    if (ServletFileUpload.isMultipartContent(request)) {
      // multipart request
      try {
        ServletFileUpload upload = new ServletFileUpload();
        FileItemIterator iter = upload.getItemIterator(request);
        while (iter.hasNext()) {
          FileItemStream item = iter.next();
          String name = item.getFieldName();
          InputStream stream = item.openStream();
          if (item.isFormField()) {
            requestParams.put(name, Streams.asString(stream));
          } else {
            String fileName = item.getName();
            if (fileName != null && !"".equals(fileName.trim())) {
              listFiles.add(item);

              ByteArrayOutputStream os = new ByteArrayOutputStream();
              IOUtils.copy(stream, os);
              listFileStreams.add(os);
            }
          }
        }
      } catch (Exception e) {
        logger.error("Unexpected error parsing multipart content", e);
      }
    } else {
      // not a multipart
      for (Object mapKey : request.getParameterMap().keySet()) {
        String mapKeyString = (String) mapKey;

        if (mapKeyString.endsWith("[]")) {
          // multiple values
          String values[] = request.getParameterValues(mapKeyString);
          List<String> listeValues = new ArrayList<String>();
          for (String value : values) {
            listeValues.add(value);
          }
          requestParams.put(mapKeyString, listeValues);
        } else {
          // single value
          String value = request.getParameter(mapKeyString);
          requestParams.put(mapKeyString, value);
        }
      }
    }
  }