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
WebContentInterceptor doesn't have a property named Access-Control-Allow-Origin, and as far as I can see, it does not expose any methods for setting response headers. It only sets some cache related headers by enabling/disabling some properties. But it's trivial to write your own interceptor (or servlet filter) that does this.