automatically add header to every response

Question

I want to add this header \"Access-Control-Allow-Origin\", \"*\" to every response made to the client whenever a request has made for rest controllers in my application to a

Answer 1

If you want to set headers for controller you can use @ModelAttribute annotation.

@ModelAttribute
public void setVaryResponseHeader(HttpServletResponse response) {
    response.setHeader("Vary", "Accept");
}