1. MID307

4. Article source: http://digitallife.today.com/_news /2011/05/02/6569632-facebook- marriage-killer?gt1=43001 http://digitallife.today.com/_news /2011/05/02/6569632-facebook- marriage-killer?gt1=43001

6. “The Server”

7. Traditional Web Service

8. Howard Dierking http://www.flickr.com/ photos/belisario/2723 280407/

9. ProductResource http://myhost/product/ ProductResource http://myhost/product/ GET POST GET (id) PUT (id) DELETE (id) GET http://restcartwcf4/products POST http://restcartwcf4/products GET http://restcartwcf4/products/1 PUT http://restcartwcf4/products/1 DELETE http://restcartwcf4/products/1

10. Demo

11. http://www.flickr.com/ photos/alexgoy/3289 023107/ http://www.flickr.com/ photos/diwong/45532 64432/

12. HTTP/1.1 200 OK Cache-Control: private Content-Length: 553 Content-Type: application/json; charset=utf-8 { "description":"Erik Evans magnum opus on DDD", "links":null,"name":"Domain Driven Design", "price":59.99,"productNumber":"200", "quantityOnHand":1 } ProductResource http://myhost/product/ ProductResource http://myhost/product/ GET POST GET (id) PUT (id) DELETE (id) GET http://myhost/product/1 Accept: application/json GET http://myhost/product/1 Accept: application/json HTTP/1.1 200 OK Content-Type: application/json HTTP/1.1 200 OK Content-Type: application/json

13. Demo

14. What did he just say? http://www.flickr.co m/photos/mindonfir e/2881787072/

15. GET http://myhost/product/1 HTTP/1.1 304 Not Modified GET http://myhost/product/1 If-None-Match: “1” GET http://myhost/product/1 If-None-Match: “1” HTTP/1.1 304 Not Modified 2 2 3 3 GET http://myhost/product/1 HTTP/1.1 200 OK Cache-Control: max-age=60 Etag:“1”... HTTP/1.1 200 OK Cache-Control: max-age=60 Etag:“1”... 1 1 ProductResource http://myhost/product/ ProductResource http://myhost/product/ GET POST GET (id) PUT (id) DELETE (id) GET (id)

16. PUT http://myhost/product/1 If-Match: “1” PUT http://myhost/product/1 If-Match: “1” HTTP/1.1 200 OK Etag: “2”... HTTP/1.1 200 OK Etag: “2”... PUT http://myhost/product/1 If-Match: “1” PUT http://myhost/product/1 If-Match: “1” HTTP/1.1 412 Precondition Failed GET http://myhost/product/1 HTTP/1.1 200 OK Etag: “2” HTTP/1.1 200 OK Etag: “2” PUT http://myhost/product/1 If-Match: “2” PUT http://myhost/product/1 If-Match: “2” HTTP/1.1 200 OK Etag: “8”... HTTP/1.1 200 OK Etag: “8”... 1 1 2 2 3 3 4 4 ProductResource http://myhost/product/ ProductResource http://myhost/product/ GET POST GET (id) PUT (id) DELETE (id) GET (id) PUT (id)

17. Demo

18. http://www.flickr.com/photos/albinoflea/233362073/

19. GET http://myhost/product/ Accept: application/atom+xml GET http://myhost/product/ Accept: application/atom+xml GET http://myhost/product/1 HTTP/1.1 200 OK All Products All my products ProductsFeed 2011-05-10T22:30:30-07:00 2 Domain Driven Design 2011-05-10T22:30:30-07:00... 1 1 2 2 ProductResource http://myhost/product/ ProductResource http://myhost/product/ GET POST GET (id) PUT (id) DELETE (id) GET GET (id)

20. Demo

21. http://www.flickr.com/ph otos/x- ray_delta_one/424640 0843/

22. Demo

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27. www.microsoft.com/teched Sessions On-Demand & CommunityMicrosoft Certification & Training Resources Resources for IT ProfessionalsResources for Developers www.microsoft.com/learning http://microsoft.com/technet http://microsoft.com/msdn http://northamerica.msteched.com Connect. Share. Discuss.

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32. .NET Framework 3.0 No support for REST – SOAP only.NET Framework 3.5 Basic infrastructure for non-SOAP HTTP services REST Starter Kit Preview 1 Visual Studio templates for RESTful services Request interceptors REST Starter Kit Preview 2 HTTP client library.NET Framework 4.0 ASPNET routes integration Automatic content negotiation

33. Level 3: HypermediaLevel 2: HTTPLevel 1: URIs Level 0: Web Services Richardson’s HTTP maturity model

34. CartService.svc GetCart() ClearCart() UpdateCartItem(itemId, Qty) RemoveCartItem(itemId) AddCartItem(itemId, Qty) ApplyShippingInfo (shippingOption, shippingAddress) ApplyShippingInfo (shippingOption, shippingAddress) ApplyBillingInfo(billingAddress, paymentType, paymentInfo) … … POST http://localhost/CartService.svc HTTP/1.1 Content-Type: text/xml; charset=utf-8 SOAPAction: "GetCart" Content-Length: 154 <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"> <GetCart xmlns="http://samples.microsoft.com/wcf/restcart"/> HTTP/1.1 200 OK Content-Length: 984 Content-Type: text/xml; charset=utf-8 Date: Tue, 26 Apr 2011 01:22:53 GMT 2011-04-25T18:22:53.5759314-07:00 Product 1 1 2 5 2.5 2011-04-25T18:22:53.5759314-07:00... POST http://localhost/CartService.svc SOAPAction: "GetCart" 200 OK Content-Type: text/xml 2011-04-25T18:22:53.5759314-07:00

35. CartService.svc GetCart() ClearCart() UpdateCartItem(itemId, Qty) RemoveCartItem(itemId) AddCartItem(itemId, Qty) ApplyShippingInfo (shippingOption, shippingAddress) ApplyShippingInfo (shippingOption, shippingAddress) ApplyBillingInfo(billingAddress, paymentType, paymentInfo) … … POST http://localhost/CartService.svc HTTP/1.1 Content-Type: text/xml; charset=utf-8 SOAPAction: "GetCart" Content-Length: 154 <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"> <GetCart xmlns="http://samples.microsoft.com/wcf/restcart"/> HTTP/1.1 500 Internal Server Error Content-Length: 734 Content-Type: text/xml; charset=utf-8 Date: Wed, 27 Apr 2011 00:15:00 GMT a:InternalServiceFault... 500 Internal Server Error a:InternalServiceFault... a:InternalServiceFault...

36. Demo