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Java API for Social Media

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Werner Keil
Werner Keil

This document discusses the development of a Java API for accessing social networks. It provides background on existing technologies like OpenSocial, Shindig, and social networking APIs. It then introduces the Agorava project, which aims to create a standard Java API (Agorava) and reference implementation (Agorava Socializer) for social integration. The presentation concludes with a demo of the Agorava Socializer.

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Java API for Social Media From Agorava to Ωrkut JustJava Werner Keil Antoine Sabot-Durand Sao Paulo, Brazil 18 / 05 / 12
Our Goal A JAVA API FOR ACCESS TO SOCIAL NETWORKS 2 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Who am I? Werner Keil Consultant – Coach Creative Cosmopolitan Open Source Evangelist Software Architect … Twitter @wernerkeil 3 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Proliferation 4 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Proliferation of Social Media 5 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Social Gaga 6 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Apache Shindig • Open source implementation of OpenSocial & Gadgets specification • An Apache Software project • Available in Java & PHP • http://shindig.apache.org It’s Goal: “Shindig's goal was to allow new sites to start hosting social apps in under an hour's worth of work" 8 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
OpenSocial Container • Become an OpenSocial Container o Get Shindig (PHP or Java) or the Google implementation  http://shindig.apache.org o Look at examples & documentation  http://code.google.com/p/opensocial- resources/wiki/SampleApps • The “official” OpenSocial implementation has shifted – from Shindig to Google Code 9 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
What Is a Gadget? Simple gadgets for getting a Grid proxy credential and running remote commands. Both run on my own Web server. 10 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Who uses OpenSocial • MySpace • Orkut • Friendster • Hi5 11 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Who does not use OpenSocial • Facebook • Twitter • LinkedIn • XING* • Yammer • Foursquare • Google+ • ... * Abandoned it for Security and other reasons 12 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
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 OpemSocial gadgets) • OpenSocial is a specification that provides a standard way to share content between semi-trusted applications. • While initially proposed for public facing social networking sites, it has possibly more potential within the corporate firewall (ThoughtWorks Radar, March 2012) 13 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Portable Contacts • REST API for Person and Contacts • Open source implementation • Compatible with OpenSocial • http://portablecontacts.net 14 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
SocialSite – Sun’s approach to Social Sun Microsystems • Socialsite: Shindig + gadget based UI written in Java • Open Source https://socialsite.dev.java.net/ 15 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Facebooks’ Query Language • All of the Facebook API is basically a set of wrappers around their SQL like FQL query language. So you can, if you prefer, make custom methods out of FQL query strings. var myQuery='SELECT name FROM user WHERE uid='+api.get_session().uid; api.fql_query(myQuery, getFQLResponse); getFQLResponse() is a developer-written callback function If it’s SQL like, could we use something like JPA around it? 16 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
DaliCore – History  DaliCMS (2006): “Web 2.0 ready CMS”  Open-source “CMS” with community features  2008: integration with Shindig, provides OpenSocial Implementation (JavaScript code from Shindig, Java code in DaliCMS)  Developed as Glassfish incubator project 17 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
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 project that uses DaliCore, users should be able to login with existing credentials (Facebook, Twitter, Google Connect,...)  Dali modules extend DaliCore
DaliCore – Connect public abstract class ExternalNetwork public abstract Response connect(String callback); public abstract ExternalToken callback(String requestToken, String verifier); public abstract OnlineAccount createOnlineAccount(ExternalToken accessToken) throws DaliCoreException;  ExternalNetwork class is extended by  FacebookExternalNetwork  TwitterExternalNetwork  GoogleExternalNetwork
DaliCore – Integrate  The User concept in DaliCore can have 0 or more instances of “OnlineAccount”  In projects created with DaliCore, the administrator/configurator decides what social networks are supported.  Users can access all functionality using their social network credentials.
Seam Social – a bootstrap for the API • A full CDI API to interact with Social Networks • Developed by Antoine Sabot-Durand (one of the proposed co- Spec Leads) • Independent of CDI implementation • A helper for: o Consuming REST services o Consuming OAuth 1 and 2 services o Identification via OAuth o JSON binding of Social Services API • Ready to adopt JSR 351, 353 and JSR 339 and maybe others • Will move to Apache Delta Spike initiative during 2012 21 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Twitter4J – History  Twitter4J is an unofficial Java library for the Twitter API. With Twitter4J, you can easily integrate your Java application with Twitter.  Its author, Yusuke Yamamoto now officially working at Twitter. Designated to represent Twitter in Social JSR EG. Agorava 22 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Social Gagorava 23 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Agoravian LIKE SOCI 24 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Agorava – a kind of JCA for Social Media 25 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Agorava Socializer 26 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Agorava Socializer – Architecture Agorava Core API („Spec“) CDI Agorava Connectors Facebook Twitter,… Agorava Socializer JSF Web App „RI“ 27 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Mr. Agorava Birthday 18th May! FB: https://www.facebook.com/antoine.sabotdurand or @antoine_sd 28 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
Let’s Socialize DEMO
Q&A AGORAVA AGORA!
Contact Website: http://agorava.org GitHub: https://github.com/agorava Google Group: https://groups.google.com/forum/?hl=de&fromgroups#!forum/java- social Email: Java-social@catmedia.us Twitter: @Java_Social or @AgoravaProj

More Related Content

Java API for Social Media

  • 1. Java API for Social Media From Agorava to Ωrkut JustJava Werner Keil Antoine Sabot-Durand Sao Paulo, Brazil 18 / 05 / 12
  • 2. Our Goal A JAVA API FOR ACCESS TO SOCIAL NETWORKS 2 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 3. Who am I? Werner Keil Consultant – Coach Creative Cosmopolitan Open Source Evangelist Software Architect … Twitter @wernerkeil 3 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 4. Proliferation 4 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 5. Proliferation of Social Media 5 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 6. Social Gaga 6 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 7. Apache Shindig • Open source implementation of OpenSocial & Gadgets specification • An Apache Software project • Available in Java & PHP • http://shindig.apache.org It’s Goal: “Shindig's goal was to allow new sites to start hosting social apps in under an hour's worth of work" 8 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 8. OpenSocial Container • Become an OpenSocial Container o Get Shindig (PHP or Java) or the Google implementation  http://shindig.apache.org o Look at examples & documentation  http://code.google.com/p/opensocial- resources/wiki/SampleApps • The “official” OpenSocial implementation has shifted – from Shindig to Google Code 9 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 9. What Is a Gadget? Simple gadgets for getting a Grid proxy credential and running remote commands. Both run on my own Web server. 10 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 10. Who uses OpenSocial • MySpace • Orkut • Friendster • Hi5 11 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 11. Who does not use OpenSocial • Facebook • Twitter • LinkedIn • XING* • Yammer • Foursquare • Google+ • ... * Abandoned it for Security and other reasons 12 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 12. 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 OpemSocial gadgets) • OpenSocial is a specification that provides a standard way to share content between semi-trusted applications. • While initially proposed for public facing social networking sites, it has possibly more potential within the corporate firewall (ThoughtWorks Radar, March 2012) 13 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 13. Portable Contacts • REST API for Person and Contacts • Open source implementation • Compatible with OpenSocial • http://portablecontacts.net 14 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 14. SocialSite – Sun’s approach to Social Sun Microsystems • Socialsite: Shindig + gadget based UI written in Java • Open Source https://socialsite.dev.java.net/ 15 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 15. Facebooks’ Query Language • All of the Facebook API is basically a set of wrappers around their SQL like FQL query language. So you can, if you prefer, make custom methods out of FQL query strings. var myQuery='SELECT name FROM user WHERE uid='+api.get_session().uid; api.fql_query(myQuery, getFQLResponse); getFQLResponse() is a developer-written callback function If it’s SQL like, could we use something like JPA around it? 16 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 16. DaliCore – History  DaliCMS (2006): “Web 2.0 ready CMS”  Open-source “CMS” with community features  2008: integration with Shindig, provides OpenSocial Implementation (JavaScript code from Shindig, Java code in DaliCMS)  Developed as Glassfish incubator project 17 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 17. 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 project that uses DaliCore, users should be able to login with existing credentials (Facebook, Twitter, Google Connect,...)  Dali modules extend DaliCore
  • 18. DaliCore – Connect public abstract class ExternalNetwork public abstract Response connect(String callback); public abstract ExternalToken callback(String requestToken, String verifier); public abstract OnlineAccount createOnlineAccount(ExternalToken accessToken) throws DaliCoreException;  ExternalNetwork class is extended by  FacebookExternalNetwork  TwitterExternalNetwork  GoogleExternalNetwork
  • 19. DaliCore – Integrate  The User concept in DaliCore can have 0 or more instances of “OnlineAccount”  In projects created with DaliCore, the administrator/configurator decides what social networks are supported.  Users can access all functionality using their social network credentials.
  • 20. Seam Social – a bootstrap for the API • A full CDI API to interact with Social Networks • Developed by Antoine Sabot-Durand (one of the proposed co- Spec Leads) • Independent of CDI implementation • A helper for: o Consuming REST services o Consuming OAuth 1 and 2 services o Identification via OAuth o JSON binding of Social Services API • Ready to adopt JSR 351, 353 and JSR 339 and maybe others • Will move to Apache Delta Spike initiative during 2012 21 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 21. Twitter4J – History  Twitter4J is an unofficial Java library for the Twitter API. With Twitter4J, you can easily integrate your Java application with Twitter.  Its author, Yusuke Yamamoto now officially working at Twitter. Designated to represent Twitter in Social JSR EG. Agorava 22 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 22. Social Gagorava 23 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 23. Agoravian LIKE SOCI 24 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 24. Agorava – a kind of JCA for Social Media 25 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 25. Agorava Socializer 26 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 26. Agorava Socializer – Architecture Agorava Core API („Spec“) CDI Agorava Connectors Facebook Twitter,… Agorava Socializer JSF Web App „RI“ 27 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 27. Mr. Agorava Birthday 18th May! FB: https://www.facebook.com/antoine.sabotdurand or @antoine_sd 28 © 2010-2012 Werner Keil, Antoine Sabot-Durand and Others
  • 30. Contact Website: http://agorava.org GitHub: https://github.com/agorava Google Group: https://groups.google.com/forum/?hl=de&fromgroups#!forum/java- social Email: Java-social@catmedia.us Twitter: @Java_Social or @AgoravaProj