HttpServletRequest - Get query string parameters, no form data

Question

In HttpServletRequest, getParameterMap returns a Map of all query string parameters and post data parameters.

Is there a way to get a Map of ONLY query

Answer 1

Java 8

return Collections.list(httpServletRequest.getParameterNames())
                  .stream()
                  .collect(Collectors.toMap(parameterName -> parameterName, httpServletRequest::getParameterValues));