Interceptors in Angular2

Question

I am trying to build a demo app on Angular2.beta.0 which would have login mechanism and then all the other API calls would have the acquired session token s

Answer 1

There's an example of how to do this for intercepting 401 responses from authenticated APIs here.

http://www.annalytics.co.uk/angular2/javascript/typescript/ionic2/2017/02/26/Angular2-Http-Auth-Interceptor/

The post above shows how to add a standard Authorzation header to all outgoing HTTP requests and also automatically refresh any JWT like token.