REST IN DESIGN

@diego_pacheco

2000

#FACTS• 85% of Amazon services usage is of the REST interface• Google Deprecates Their SOAP Search API

Representational State Transfer

Roy Fielding

HTTP

POX + POST + HTTP = REST

POX + POST + HTTP = REST

RESOURCES

RESOURCES(Server thinks before

do)

Nouns or Verbs ?

Hypermedia

REST

Verbs + hm Media Types

ROA & WOA

Client Server

Client

Server

SOCUniform InterfacePortabilityScalable

Stateless

Stateless

(Stateful)

Client Server

Cacheable

Client Server

HTTP HEADERS(not only

uris)

HTTP METHODS

Idempotent

SAMPLE

BEYOND XML

MIME Typesapplication/octet-stream

text/html

text/plain

image/jpeg

application/json

application/x-excel…

HTTP RESPONSE CODES

JSR 311JAX-RS: The JavaTM API for

RESTful Web Services

ANNOTATIONS

@Path@Produces@Consumes

@GET@POST@PUT@DELETE@HEAD

@Context@PathParam@HeaderParam@CookieParam@QueryParam

WADL

GET /customers/1/order/2/price/2000/weight/2

Exceptions -> Error Code

Parameters

Filters

RESTful services without annotations

web.xml

Programmatically Exposure

ATOMPUB

HANDS ON

Pair Programming Exercise !

TOLL REST SERVICE

TOLL REST SERVICE

U$ 0.45

U$ 3.95 **

U$ 1.00

U$ 1.59U$ 2.11

Vehicle Taxes Rates

http://diegopacheco.svn.beanstalkapp.com/sandbox/trunk/toll-rest-service-pprog

REST IN DESIGN

@diego_pacheco

THANK YOU!