Java User Group Latvia February 2011 JSF2.0 - The JavaEE6 Standard Arkadi Shishlov http://goo.gl/rzD0q

1. JSF 2.0
The Java EE 6 standard
arkadi.shishlov@gmail.com

2. Who?
• JSF skeptic
• JSF want to be
Try JSF 2.x
• IS developer
later this
week...

3. Why?
• Well-known - EE6?
• Java EE 6 family technology
- Yes
- Go for it!
• Acceptance
• Productivity
• Knowledge investment

4. Technology
• EE stack(s) compatibility
• Correctness, best-practices
• Web 2.0
• Java EE 5 compatible servlet based runtime

5. Technology
• Component architecture
• Server-side
• IS oriented
• Develop in Java

6. JSF 1.x upgrade
finally!
• No XML • Bean validation
• Convention over • System Events
Configuration
• Facelets
• @Annotation driven
• HTTP GET support
• Standardized AJAX
• Verbatim HTML
• Simplified Composites
• Redirect to view
• New bean scopes

7. Component based
• Widgets: buttons, tables,
etc.
• Component tree
• API
• HTML supplemented
with JavaScript, CSS,
resources

8. Server side
• Generates HTML or DOM update
• Full Java EE runtime

9. Page oriented
• One .xhtml - one
interface page - one
component tree serving
the request
• Single page interface
possible
• Defines View

10. управляемый компонент
Managed beans
• Components mapped to
managed beans - backing
bean
• Scoped (сфера
действия)
• Supports model
• Implements controller
and action handlers

11. Request lifecycle

12. Expression Language
• ${bean.field.next} – Bean.getField() immediate R-value
• #{bean.field.next.whatever.more} deferred R- and L-value,
function
• #{nested.objects.via.get.set.hashes.arrays[123].too}
• ClassName → #{className.fieldWithAccessor}
• arithmetics, conditionals

13. AJAX
• Partial submit
• Partial sub-tree traversal
• DOM updates

14. Integration
• Context Dependency Injection
• Weld and Spring
• EJB
• Seam v3 Framework (alpha/beta)

15. • Converters • Portlet bridge
• Validators • Error handling
• Events • Security
• Phase Listeners • Custom components
• Behaviors • Composites
• HTML/JavaScript/CSS • Human behavior
integration
• Resources
• I18N
• HTTP GET

16. Core
• Sun Mojarra - JSF 2.0 Reference
Implementation (RI)
• Apache MyFaces

17. Products
• PrimeFaces • Apache Trinidad
• JBoss RichFaces • Apache Tomahawk
• ICEFaces • Oracle Fusion
Middleware
• OpenFaces
• PrettyFaces
• PrettyTime

18. JSF vs GWT
apples to oranges
server vs client
DTO
resources
xml against
layout code

19. Issues
• Runtime bugs
• MS IE
• Render phase errors
• (non-)Serializable beans
• Which CDI?
• Session loss

20. Tooling
• NetBeans 6.9.1, Tomcat, GlassFish
• Instant smart redeploy
• Continuos integration with NetBeans ANT
scripts

21. 1. Java EE 6 Tutorial
http://download.oracle.com/javaee/6/tutorial/doc/bnadp.html
2. http://javaserverfaces.dev.java.net/
3. http://www.laliluna.de/articles/jsf-2-evaluation-test.html
4. http://andyschwartz.wordpress.com/2009/07/31/whats-new-in-jsf-2/
5. http://www.coreservlets.com/JSF-Tutorial/jsf2/
6. http://jsftutorials.net/
7. http://jsfcentral.com/
8. http://www.ibm.com/developerworks/java/library/j-jsf2fu1/
9. http://weblogs.java.net/blog/cayhorstmann/archive/2009/12/23/
javaxfacesbeanmanagedbean-dead-arrival
10. http://dmakariev.blogspot.com/ (deltaset.org Maven archetype, GAE deploy)
11. http://docs.jboss.org/weld/reference/1.0.0/en-US/html_single

22. Demo

23. Q&A