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This Presentation Courtesy of the

International SOA Symposium

October 7-8, 2008 Amsterdam Arena

www.soasymposium.com

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Building the Social Web using Building the Social Web using zembly zembly

Prakash NarayanPrakash NarayanSun Microsystems, Inc.Sun Microsystems, Inc.

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Topics

• Social networking phenomenon

• Impact of social networking to software development

• What is zembly?

• SOA principles to build/publish using zembly

• Building service step by step

• Building widget step by step

• Building Facebook application step by step

• Summary and current status

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Social NetworkingSocial NetworkingPhenomenonPhenomenon

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Social Networking is Mainstream

• Rob McEwen, Goldcorp Inc.> Epiphany in 1999:

Assembling a world class OS over the internet

> March 2000: Sharing geological data with the world

> Catapults a $100m company into a $9b juggernaut

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• Collaboration on a mass scale is set to change every institution

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Social Networking Phenomenon

• Social networking is rapidly growing with more than 70 million users > Facebook, MySpace, LinkedIn, Meebo, orkut,

Friendster, ...

• Social networking offers developers unprecedented opportunities to build social applications that can reach millions of users overnight

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Social Networking Phenomenon

"We're just at the beginning of understanding how the social graph will change every web application... what is emerging is the identity and social subsystem of the future internet operating system."

—Tim O'Reilly, O'Reilly Media, Inc.

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Impact of SocialImpact of SocialNetworking to Networking to Software DevelopmentSoftware Development

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Emerging Changes in the Software World

• Participation model to the software development is changing> “Traditional models involving mostly software

developers” to “new models that involve everyone”

• Different metrics are emerging for determining value of an application > “Size and features” to “How much usage it gets”

• The social platforms have emerged as viable development and deployment platform> Applications are being developed and deployed over

targeted social platforms

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Why Social Platforms as Application Development/Deployment Platforms?

• Solves common problems so that applications don't have to

• Exposes facilities (e.g. APIs) to make writing applications easier> Provides higher level of abstraction in application

model – profile, friends, etc.

• Builds an Eco-system of applications, developers, and users> Applications deployed are becoming the part of the

Eco-system, thus enhancing the value of the platform

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The Application Spectrum

“Typical” AppsJava ME/SE/EE, NetBeans, Java CAPS, Glassfish, etc.

Hosted Services & PlatformsWeb-scale sites, 1st-gen Web APIs

Non-Traditional “Apps”Widgets, 2nd-gen Web APIs (Microservices),

Mashups, Situational Apps

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Where is the Application Growth?

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Where is the Application Growth?

• Non-traditional apps> Widgets, Social apps, iPhone apps, Mashups,

Situational apps

• Characteristics of these apps> Usually small> Developed by casual developers> Quick to build, easy to deploy

• What lit the fuse?> Social platforms: Facebook, MySpace, Ning, Meebo,

Orkut, etc.> Mature technologies and standards for delivering

these apps

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What is zembly?What is zembly?

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●World's first cloud-based development environment for Facebook,

OpenSocial, Meebo,and other social platforms

zembly

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What is zembly?

• zembly is the place to create social applications, together> zembly allows users to easily create and host social

applications of all shapes and sizes, targeting the most popular social platforms on the web

• Think of zembly like Wikipedia for social applications> a wiki for live, editable code that is more than just

about trivial widgets, but rather about full-fledged social applications that can tap into the social graph and reach millions of users.

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Browser-based development• IDE-based editor

running in the browser

• (X)HTML, CSS, JavaScript, FBML support

• Dynamic API search & invocation

• 1-click publishing onto the web

• Automatic hosting

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zembly Enables Social Programming• Collaborative

creation of social apps

• Fine-grained reuse of artifacts

• News feed

• Contacts

• Custom profile page

• Messaging

• User ratings

• Favorites

• Comments

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SOA Principles to SOA Principles to build/deploy using zemblybuild/deploy using zembly

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Things You Can Create• Widgets

• Services

• Facebook apps

• Meebo apps

• iPhone apps

• OpenSocial apps (in the near future)

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Building a ServiceBuilding a ServiceStep by Step Step by Step

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What is a Service?• Contains

business logic

• Written in JavaScript

• Can be published so that others can call it

• Can take parameters

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Steps for Creating a Service

• Write business logic in JavaScript> Using IDE-like JavaScript editor: code completion,

syntax checking, format, code snippet, change history

• Set up parameters

• Find and use other services

• Handle error conditions> You can use built-in validation

• Test the service

• Publish the service> Version control

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Demo:Demo:

Building a zembly ServiceBuilding a zembly Service

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Building a Widget Building a Widget Step By StepStep By Step

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What is a Widget?

• Widgets provide a user friendly object that you can embed in a web page

• Made of> (X)HTML> CSS> JavaScript

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Steps for Creating a Widget

• Write (X)HTML

• Write CSS

• Write business logic in JavaScript> Find and use other services

• Optionally add images

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Demo:Demo:Building a Widget using zemblyBuilding a Widget using zembly

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Building A Facebook Building A Facebook ApplicationApplication

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Creating Facebook App. through zembly

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Why Build Facebook Apps using zembly?

• Zembly provides simple and consistent programming and deployment model

• Community of developers who can easily discover and leverage one another's work

• Rock solid hosting that is free up to a point and grows with you -- always on & can handle large loads

• IDE-level features such as code completion, syntax checking

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Steps for Creating a Facebook application

• Create application on facebook.com> Live facebook.com wizard page gets displayed in an

iframe

• Follow the wizard to set up Facebook parts of the application that zembly needs1. Log in to Facebook account

2. Install Facebook developer application, if needed

3. Create a Facebook application on facebook.com

4. Copy API key and secret

• Manage the application from zembly

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Demo:Demo:Building a Facebook ApplicationBuilding a Facebook Application

using zemblyusing zembly

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Summary &Summary &Current StatusCurrent Status

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Summary

• zembly is a Wikipedia of social applications

• Using just browser, you can create and publish services, widgets, Facebook apps, Meebo apps, OpenSocial apps, iPhone apps, Google gadgets, and other social applications

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Current Status

• You can participate in private beta> zembly.com

• Open beta coming in fall

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Thank You!Thank You!

Prakash Narayanprakash.narayan@sun.com