/** * Parses HTTP parameters in an appropriate format and return back map of values to predefined * list of names. * * @param req Request. * @return Map of parsed parameters. */ @SuppressWarnings({"unchecked"}) private Map<String, Object> parameters(ServletRequest req) { Map<String, String[]> params = req.getParameterMap(); if (F.isEmpty(params)) return Collections.emptyMap(); Map<String, Object> map = U.newHashMap(params.size()); for (Map.Entry<String, String[]> entry : params.entrySet()) map.put(entry.getKey(), parameter(entry.getValue())); return map; }