WHO AM I?

REST? Dissertation by Roy Fielding 2000 Architectural Styles and the Design of Network-based Software Architectures ReST = Representational State Transfer

Architectural constraints Client–server Stateless Cacheable Layered system Uniform Interface

Scalability GET

Guiding principles of REST- interfaces Identification of resources Manipulation of resources through representations of these resources Self-descriptive messages Hypermedia as the engine of application state

HATEOAS Hypermedia as the engine of application state

Example of hypermedia representation (Netflix)

Richardsons maturity model Level 0: The swamp of POX Level 1: Resources Level 2: HTPP Verbs Level 3: Hypermedia Controls Glory of REST

REST on Microsoft – some history WCF pre-3.5: painful… WCF 3.5: WebHttpBinding. WCF REST Starter Kit (no longer supported) WCF Data Services (OData) WCF Web API - Preview 1 - 6

WCF ASP.NET Web API

Goal: One HTTP/ REST / Hypermedia API Fx Integrated in ASP.NET: Best of both world

WCF to ASP.NET Web API WCF Web APIASP.NET Web API Service=>Web API controller Operation=>Action Service contract =>n/a Endpoint=>n/a URI templates=>ASP.NET Routing Message handlers=>Same Formatters=>Same Operation handlers=>Filters, model binders

DEMO – FILE NEW

Media types & Media Formatters

Built in support for: – XML – JSON – form-urlencoded data Can be extended with custom Media Formatters

DEMO – MEDIA TYPE FORMATTER

Parameter Binding 1.From querystring: using Model binding 2.From body: using Formatters

Web API on NuGet Web API hosted in ASP.NET: – AspNetWebApi Self-hosted Web API: – AspNetWebApi.Selfhost HttpClient including XML and JSON formatters: – System.Net.Http.Formatting JsonValue for navigating and manipulating JSON: – System.Json Newtonsoft.Json

Node-style Web API? writing-a-lightweight-web-service-using-webapi-building-blocks.aspx

DEMO – SELF HOSTING

Web API can be used for all levels Level 0: The swamp of POX Level 1: Resources Level 2: HTPP Verbs Level 3: Hypermedia Controls Glory of REST ASP.NET Web API

OAuth/Claims based security

Open Source:

Some good reading

Thank you! Robert Folkesson | Active Solution