{@link javax.servlet.Filter} that makes form encoded data available throughthe {@code ServletRequest.getParameter*()} family of methods during HTTP PUTor PATCH requests.
The Servlet spec requires form data to be available for HTTP POST but not for HTTP PUT or PATCH requests. This filter intercepts HTTP PUT and PATCH requests where content type is {@code 'application/x-www-form-urlencoded'}, reads form encoded content from the body of the request, and wraps the ServletRequest in order to make the form data available as request parameters just like it is for HTTP POST requests.
@author Rossen Stoyanchev
@since 3.1