Enterprise 2.0 using Social Frameworks like Agorava (SMWCPH 2014)

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Information about Enterprise 2.0 using Social Frameworks like Agorava (SMWCPH 2014)
Social Media

Published on February 19, 2014

Author: keilw



Agorava, the Social Framework can best be described as a "reference implementation" for Social Media integration on the Java Platform.
It helps developers to integrate their apps with many Social Networks, both Public (Facebook, Twitter, Google+, LinkedIn, Xing, Yammer,...) and Corporate, e.g. within the Enterprise or Institution (University, Hospital, Library, Museum...) or by artists and other creative individuals. It also adds social media features to Java Enterprise and web sites or services developed running Java or other JVM languages. Agorava is intended to be part of JDF 2.x or similar parts of a JBoss "Social" Stack.

In this session, you will learn how to use Agorava and hear about similar frameworks or approaches and where they stand at the moment.



Werner Keil | Bio • • • • • • • • Consultant – Coach Creative Cosmopolitan Software Architect Java Godfather JCP Executive Committee Member Eclipse UOMo Project Lead Agorava Cofounder ETCS Guy @wernerkeil #SMWCPH

Proliferation #SMWCPH

Proliferation of Social Media #SMWCPH

Social Gaga Image © 2012 Lady Gaga. All Rights Reserved. #SMWCPH

Before Java Social (JSR 357) #SMWCPH

Twitter4J • Twitter4J is an unofficial Java library for Twitter API. With Twitter4J, you can easily integrate your Java application with Twitter. • Its author, Yusuke Yamamoto used to work at Twitter. While he did, he was briefly meant to represent Twitter in the Social JSR (357) EG. • It’s light and compatible even with Java 1.4 to be integrated e.g. in mobile apps #SMWCPH

Scribe Java • Scribe is Java framework that provides basic OAuth function • It also contains configuration for a lot of Social Media • Only one dependency on Apache Common Codec • Was at the heart of Agorava 0.5 #SMWCPH

DaliCore – CMS • More than a CMS → DaliCore • Adds functionality common to users, content and permissions on top of Java EE 6. • Focus on Users and Permissions. • In about every DaliCore project, users should be able to login with existing credentials (Facebook, Twitter, Google Connect,...) • Dali modules extend DaliCore #SMWCPH

Spring Social • Spring social somewhat inspirational to Seam Social and Agorava has been around a bit longer • Spring Social module were used to create first Agorava modules (thanks to OSS and ASL2) • But it’s Spring a only module.... #SMWCPH

In Memoriam PHILIP SEYMOUR HOFFMAN July 23, 1967 – February 2, 2014 Image © 2003 Universal Pictures. All Rights Reserved. #SMWCPH

Along came JSR 357 • In march 2012 on Werner Keil’s initiative, Java Social was submitted to the JCP to become a JSR • It proposed to standardize high level access to Social Media for the Java Platform • It was voted down by 8 votes against 5 Image © 2003 Universal Pictures. All Rights Reserved. #SMWCPH

What went Wrong? (Feedback from vote) #SMWCPH

Too Broad? Maybe... #SMWCPH

Too Soon? Lack of real POC... 16 #SMWCPH

It can’t be standardized? FALSE 17 #SMWCPH

Standard part in Social Media • All social medias use REST as transmission protocol • Most of them transmit data in JSON format and some in XML • Identification & Authentication are almost entirely based on OAuth protocol 18 #SMWCPH

REST • REpresentational State Transfer : Requests about resource representation (customer, book, order) • REST is based on low level HTTP • Each resource has a unique identifier (URI). 4 HTTP verbs can be applied to a URI : GET, POST, PUT, DELETE • Java has REST standard: JAX-RS. Version 1.0 doesn’t provide client API #SMWCPH yet, JAX-RS 2.0 does 19

JSON 1: { 2: 3: 4: 5: 6: 7: 8: 9: 10: 11: 12: 13: 14: 15: 16: 17: 18: 19: 20: 21: 22: 23: } "firstName": "John", "lastName" : "Smith", "age" : 25, "address" : { "streetAddress": "21 2nd Street", "city" : "New York", "state" : "NY", "postalCode" : "10021" }, "phoneNumber": [ { "type" : "home", "number": "212 555-1234" }, { "type" : "fax", "number": "646 555-4567" } ] 20 • JavaScript Object Notation: Data format inspired by JavaScript. It became a standard for online services including Social Media. #SMWCPH

OAuth • OAuth is a protocol to delegate rights for an application to act on the behalf of a user who granted its rights without giving away login / password • Developed by Twitter, Magnolia and Google, it was made standard by IETF in April 2010 under RFC 5849 21 #SMWCPH

OAuth (2) • Version 2.0, simpler to use but often criticized for too many implementation was standardized in October 2012 under RFC 6749 and 6750. Already widely used (Facebook, Google, Microsoft) • All Social Media services are based on OAuth 1.0a or 2.0. • To use OAuth, one has to create an application on the targeted service to have an entry point for consumer #SMWCPH 22

OAuth has 3 steps • Creating an application in an OAauth service • Initialization: right granting phase also called OAuth Dance. At its end we obtain an access token (formed by public and secret part) to use in next step • Signature: each request is signed with an access token identifying the OAuth application granted rights to #SMWCPH Image © 2003 Universal Pictures. All Rights Reserved.

Standards that didn’t make it Some Images © 2003 Universal Pictures. All Rights Reserved. #SMWCPH

OpenSocial • Become an OpenSocial Container Get Shindig (PHP or Java) or Google implementations* OpenSocial Container • – Look at examples & documentation • 25 » * See later why #SMWCPH

OpenSocial – Shindig – Open source implementation of OpenSocial & Gadgets specification – An Apache Software project – Available in Java & PHP – It’s Goal: “Shindig's goal was to allow new sites to start hosting social apps in under an hour's worth of work“ • Those who tried it confirm, this failed quite miserably 26 #SMWCPH

OpenSocial – What is a Gadget? Simple gadgets for getting a Grid proxy credential and running remote commands. Both run on my own Web server. 27 #SMWCPH

OpenSocial Fork The “official” OpenSocial implementation has shifted – from Shindig to Google Code resources/ And just plans to move yet again, this time to GitHub! In fact, Google’s OpenSocial Ruby Gem moved there 4 years ago, and the code hasn’t changed since (original Google Code SVN by MySpace also still exists;-) 28 #SMWCPH

Who uses OpenSocial? • Social “Herrings” – MySpace – Orkut – Friendster – Hi5 – Jive – IBM (Lotus Notes;-) 29 #SMWCPH

Who does not use OpenSocial? • Big “Fish” – Facebook – Twitter – LinkedIn – XING* – Yammer – Foursquare – Google+ ... 30 * Abandoned it for lack of Security among other reasons #SMWCPH

What’s said about OpenSocial – OpenSocial is what Google created for MySpace (Yammer CTO and co-founder Adam Pisoni) – Out of the box, most gadgets are publicly available content that do not require authentication and authorization. (ThoughtWorks Studios about OpenSocial gadgets) 31 #SMWCPH

What’s said about OpenSocial (2) – OpenSocial is a specification that provides a standard way to share content between semitrusted applications. – While initially proposed for public facing social networking sites, it has possibly more potential within the corporate firewall (ThoughtWorks Radar, March 2012) – Latest twist: OpenSocial is now proposed as W3C recommendation 32 #SMWCPH

The non Standard parts • No standard identity management or any other API across Social Media (for Java JSR 351 tries to establish that) • More than that. There is no Social Media that guarantee: – Its API won’t change for a given period 34 – Backward compatibility when its API changes #SMWCPH

What would be a standard for Social? • A basic heart providing basic services : – OAuth and Rest request – Multi Social Media connections – Polymorphic services to enforce standard on social Media – Connector definition for Social module • So this standard would be a kind Java Social Connector definition standard 35 #SMWCPH

From JSR 357 to Agorava • Before Agorava there was Seam Social, part of the JBoss Seam 3 project • Early 2012, Seam was stopped to be merged in Apache DeltaSpike • Agorava was born mainly from Seam Social after JSR 357 attempt • One of it’s goals is to be the missing POC for a new Java Social Standard 36 #SMWCPH

Differences to Spring Social • Spring Social works primarily with Spring • Other UI frameworks than Spring MVC are harder to integrate • Focus on Facebook, so far examples only provide Single Service support, unlike Agorava Multiservice approach #SMWCPH

Differences to Spring Social (2) • Despite otherwise still somewhat active Spring community, even at Pivotal / Vmware there’s doubt about support and activity, especially after some people left • Currently supports .NET, too #SMWCPH

Differences to DaliCore • Also offering Social Container and CMS, partial OpenSocial support • Persistence support via EJB, JPA, etc. • Not so clear separation of modules, especially API/Spec and Implementation, in most cases they share same module and even package 39 #SMWCPH

Differences to DaliCore (2) • Currently seems a little heavier, strong dependencies on the Full Java EE stack, i.e. using only Web Profile or Java SE seems hard right now • Glassfish support and Integration Oracle stopped professional GF support • Demonstrated Scalability also under heavy usage 49 40 #SMWCPH

Agorava 0.7 Macro architecture – Agorava core is the «smart module» of the framework – Modules are mainly REST API and JSON mapping – Agorava provides full CDI implementation – In progress from 0.7 on: • Full Java SE support (e.g. CDI 2) • JSR 330 (Guice | Dagger, maybe Spring) support 43 #SMWCPH

Image © 2003 Universal Pictures. All Rights Reserved. Let’s Dance... #SMWCPH emo...

Agorava Book – A first book about Agorava is scheduled for release to print and online (Amazon, Google Play!, iTunes) this Spring. – Please check /enterprise-20-agorava-0/ 45 #SMWCPH

Links • Agorava Project: #smwagorava @wernerkeil @AgoravaProj • Github: • JBoss Developer Framework: #SMWCPH

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