Resthub

RESThub
What is RESThub ?
Three independant layers
Security
Hosting
Demos

What is RESThub ?
http://resthub.org

What is RESThub ?
Javascript Stack
Java WebserviceStack
Security & Identity
Generic Tests
Documentation
Java Middle Stack

Keywords behind RESThub

Generic DAO & Business Services
HadesDao
TESTED
Generic
Tested
Extendable
« extends »
GenericDao
GenericService
Specific
Testable
Customized
« extends »
« extends »
myDao
myService

Generic DAO & Business Services
Provides…
CRUD methods (Create, Retrieve, Update, Delete)
Allows…
Save time (↘ copy-paste-adjust) on technical layers
Improve efficiency on the development of business layers

Basic Example
How to… obtain a complete DAO layer for my POJO?
@Named("plopDao")
publicclass PlopJpaDao extends GenericJpaDao<Plop> implements PlopDao {
// Nothing
}
What else ?

DAO & Business Services stack
Out of the box configuration
Identity manager
Multi-modules JPA entities scanning
Generic DAO & ServicesGeneric tests
Embeded database
JSR 303 Bean validation
Validator
1.2
Dependency injection
Generic DAO
Hades 2
3
3.5
Build system
3
JPA2 Persistenceengine

Generic REST Web Services
Provides…
Generic methods to access business services
XML and JSON objects serialization
Allows…
Easily build applications REST-based architecture
GenericController
« extends »
myController

Basic Example
How to… retrieve a persisted object in database ?
@GET
@Path("/{id}")
@Produces({MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
public Response getResource(@PathParam("id") ID id) {
T entity = this.service.findById(id);
if(entity == null) {
return Response.status(Status.NOT_FOUND).build();
}
return Response.ok(entity).build();
}

Webservices stack
JSON Serialization
OAuth2 based security
Jackson 1.5
7.1
Run/Debug/Tests web application
Generic webservices Generic tests
JAX-RS REST Webservices
Project templates (archetypes)
Jersey 1.2

Generic Tests
Provides
Generic methods to test your DAO, Business services and Webservices
Better protection against side effects caused by code changes
Allows
Focus on testing your project functionnalities

Basic Example
How to… entirely test my DAO layer ?
publicclass PlopDaoTest extends AbstractDaoTest<Plop, PlopDao> {
@Inject
@Named("plopDao")
publicvoid setResourceDao(PlopDao resourceDao) {
super.setResourceDao(resourceDao);
}
}

Use case 1 : RESThub + MVC Framework
Tapestry5 website
Webservices
Server side
DAO and Services

Use case 2 : RESThub full stack
JavaScript stackbasedWebsite
Client side
Webservices
Server side
DAOandServices

Javascript Stack for RIA WebApps
Provides…
Script loader
Route manager
Templating language
Allows…
Use the latest web technologies consistently
Create lightweight RIA WebApps based on jQuery
Reduce traffic and server load

Wellknownwebapp software design
Web browser
Reloading page for each action
Dynamic pages
Application server
SOAP proxytoJSON
HTTP server
Images
SOAPWeb Services
MVC framework
based Web GUI
session
CSS
Business Services
Webservice
SOAP
Javascript
DAO

RESThub based webapp software design
Web browser
Changing the state of one widget on each action
Script loader
HTML 5 based session
MVC Framework
HTTP credentials
JSON/XML Data
Static pages
Application server
HTTP server
OtherRESTWebservices
Images
REST Web Services
CSS
Business Services
Javascript
DAO
HTML

JavaScript stack
JavaScript library
1.4
Client side templating
JavaScript stack core
RESThub controller
JavaScript loading on route event
Route & session manager
Sammy
WADL explorer jQuery plugin
Script loader
JavaScript compressor

Consequences on the architecture
Server is stateless
Can change just a small part of the page
Each part is independent (jQuery widget)
URL are semantic (example.com/product/list)
Client is statefull
Recent browser provides « session storage »
Each widget should knows his status
Manage the reloading of the page (F5)

RESThub on hostingside
Clear separation between static and dynamic
Static: interface HTML5, JS, CSS
Dynamic: stateless secure webservices
Out of the box caching compliancy
Even when pages are user-customized
More operations are computed on client side
Better scalability thanks to stateless servers

Security based on OAuth2
OAuth 2.0 basedauthentication
Work in progress IETF standard
Tokenbased
Used on Facebook and Twitter
Maybenext version of OpenIDwill use ittoo
Different profiles
User Agent profile
Webserver profile
Single Sign On

OAuth2 use case

Current flow

Demos
Bookingdemo
Hotelbooking Web application
Hotelsearchengine
Consult & cancel bookings
Roundtabledemo
Doodlelike
Pollsearchengine
Dev console

RESThub sample : Roundtable

RESThub sample : Booking

JavaScript
HTML
Route 1
Controller A
View A
Route 2
Controller B
View B
Route 3
Controller C
View C
URL
Sammy
Client side
Route 4
Controller D
View D
Controller E
View E
Route 5
Resthub controller
Events
Web services
Business services
Server side
DAO
DB

Booking example (2)
booking/book.js
mode=edit
hotel/view.js
click(proceed)
booking/edit.js
booking/book.js
booking/book.js
mode=view
mode=edit
hotel/view.js
click(revise)
booking/view.js
click(confirm)
resthub.controller.js
Ajax request
home.js

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Resthub

by Sébastien Deleuze on May 24, 2010

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Resthub — Presentation Transcript