Spring REST - create .zip file and send it to the client

Question

I want to create .zip file that contains my zipped files that I recieve from backend, and then send this file to the user. For 2 days I have been looking for the answer and

Answer 1

seems to be solved. I replaced:

response.setContentType("application/zip");

with:

@RequestMapping(value = "/zip", produces="application/zip")

And now I get clear, beautiful .zip file :)

If any of you have either better or faster proposition, or just want to give some advice, then go ahead, I am curious.