JSF On Rails - Devoxx 2008
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The document discusses how JDeveloper 11g, Oracle ADF 11g, and JHeadstart can be used to rapidly develop rich Java web applications with JSF and ADF. It provides an overview of these technologies and their capabilities for declarative development and model-driven code generation. The presentation includes demonstrations of building master-detail applications with JDeveloper and ADF and generating full-fledged applications from models with JHeadstart.
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JSF On Rails - Devoxx 2008
- 2. JSF on Rails – JDeveloper 11g, ADF 11g and JHeadstart Lucas Jellema Expertise Manager AMIS (The Netherlands)
- 3. Overall Presentation Goal Demonstrate the rapid, declarative development of Rich Internet Applications (EJB/JPA or ADF Business Components, JavaServer Faces) using JDeveloper 11g & ADF 11g and the “warp-speed” on-rails model driven development using JHeadstart 11g (entice you to try it out for yourself)
- 4. Speaker’s qualifications Lucas Jellema is CTO at AMIS – an Oracle, SOA & Java specialist in The Netherlands Lucas Jellema is Oracle ACE Director Lucas Jellema regularly writes articles for media like JDJ, Java Magazine (Dutch), JavaLobby, Oracle Technology Network, and various Oracle related magazines Lucas Jellema presented in 2008 on Dutch Java User Group conference, JavaOne, Oracle Open World, Devoxx and various Oracle User Group events Lucas Jellema makes frequent contributions to the http://technology.amis.nl/blog weblog
- 5. Java developers spend most of their time on solving non-functional problems that have already been solved: In other technology stacks In existing Java frameworks, libraries or tools By their (former) colleagues And sometimes even by themselves Over 90% of developer effort can be and should be oriented towards functional business requirements No focus and little effort on programming generic plumbing code or developing functionality available from frameworks Exploit declarative, predefined options in your technology stack and start programming in anger to go the ‘extra mile’
- 6. Demo: JEE Application Development – EJB 3.0/JPA & JSF using JDeveloper 11g with ADF 11g Discussion of remaining challenges Introduction of JSF on Rails with JHeadstart Demo: Declarative, model-driven, zero-code generation of JEE Applications using JHeadstart Summary Overview
- 7. ADF = Oracle’s Application Development Framework (rich) JSF implementation (ADF Faces aka MyFaces Trinidad) – as well as ADF Swing and Struts/JSP support its own persistency framework ADF Business Components (fka BC4J) – as well as support for EJB/JPA, EclipseLink/TopLink, WebServices and 3 rd party persistency solutions Infrastructure for Data Binding – to decouple Model and ViewController (and implement rich JSF backing models) Note: each of these elements can be used with or without the others JEE Web Application on ADF
- 8. The Data Model for the demo
- 9. DEMO Demonstration rapid JEE Web Application Development JDeveloper 11g with ADF Business Tier: EJB 3.0/JPA ADF Model Web Tier: JavaServer Faces (ADF 11g Faces Rich Client Components)
- 10. Step One – Master (table) Detail (table) Rapid Demonstration Result
- 11. Step Two – Wrap Employee Table in PanelCollection (Detach and run-time Column Management) & Enable Sort on Employee Table Rapid Demonstration Result
- 12. Step Three – the Real Estate Challenge: Accordion with Employee Table and Salary Graph Popup with extra context details (Department Manager) Rapid Demonstration Result
- 13. Master-Detail synchronization Table-Table Sort & Column Manipulation Accordion Popup Chart ============ (+ 10 minutes Rapid Demonstration Result
- 14. Even though a lot of drag & drop, still a lot of manual activity involved Because of that, keeping the pages consistent – look & feel, structure, interactivity – can be a pain Absorb/Apply global changes in either the Model or the layout and interaction structure and pattern is quite hard Implementing common UI patterns – List of Values, Search Forms, Navigation, Breadcrumbs – can be made easier The learning curve is quite steep – even though initially little programming is involved Some Remaining Challenges
- 15. JHeadstart =JSF on Rails JHeadstart generates an ADF – JSF application from the model and a declarative definition of pages & data usages For CRUD + + style applications or a headstart for process/task oriented applications Many common data, interaction and layout-patterns are supported with out-of-the-box generation Master-Detail(-Detail-….), Shuttle, List of Values Form, Table, Tree, Overflow areas, File upload/download Menu, Deeplink Navigation, Breadcrumb trail Run-time management of Resource Bundles and Custom Items Integrated Role based authorization for pages and items
- 16. Develop iteratively with JHS Preparation Install JHeadstart extension for JDeveloper Enable JHeadstart on Web application Build (initial) business service with ADF BC Create (default) Application Definition Generate (initial) application: JSF pages, Page Flows, Managed Beans & Navigation rules, ADF Data Binding Repeatedly, in iterations Edit Application Definition [Change Generator Templates] [Modify Model (ADF BC Business Service)] Regenerate
- 17. DEMO Demonstration JEE Web Application Development on Rails - Introducing JHeadstart JDeveloper 11g, ADF & JHeadstart Business Tier: ADF Business Components ADF Model Web Tier: JavaServer Faces (ADF 11g Faces Rich Client Components)
- 18. Menu Master-Detail Search Form Edit/Delete/Duplicate JSF on Rails Demo Results
- 19. Editing the Application Definition JSF on Rails Demo Results
- 20. JSF on Rails Demo Results
- 21. Summary ADF 11g helps create rich JavaServer Faces applications on top of EJB/JPA, WebService or ADF Business Components Business Services ADF 11g Data Binding allow drag & drop style data binding of complex data driven components (form, table, tree, shuttle, many graph types, slider, pivot table, …) ADF 11g Faces (Rich Client Components) provide rich layout components (popup, panelsplitter, accordion, tabs..) JHeadstart 11g puts JSF/ADF ‘on rails’ with extreme productive no code generation of CRUD++ applications
- 22. Concluding statement Development of JavaServer Faces applications can and should be fast and productive yet rich and attractive with full focus on business functionality ADF 11g allows for rapid JSF application development. JHeadstarts adds the highway (railway) to a jumpstart, especially when creating CRUD++ applications. Both can easily be enhanced by Java programmers Give it a try (all software can be downloaded from OTN)
- 23. Q&A
- 24. Thanks for your attention! See: http://technology.amis.nl/blog for resources, more demonstrations, examples and presentation material Email: lucas.jellema@amis.nl