May 2015
Intermediate to advanced
274 pages
5h 11m
English
Content preview from Mastering play framework for scalaBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Content negotiation
According to HTTP:
Content negotiation is the process of selecting the best representation for a given response when there are multiple representations available.
It can either be server-driven or agent-driven or a combination of both, which is called transparent negotiation. Play provides support for server-driven negotiations. This is handled by the rendering trait and is extended by the controller trait. The controller trait is the one where the controller objects in a Play app extend.
Let's look at the Rendering trait:
trait Rendering { object render { //Tries to render the most acceptable result according to the request's Accept header value. def apply(f: PartialFunction[MediaRange, Result])(implicit request: RequestHeader): ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.