How to set response header in spring mvc

Question

I have a method in which i want to set response header cache-control and pragma :-

public String addUser(@Valid User user, BindingResult bindingResult)
{
            


        

Answer 1

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

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