A Complete Tour of JSF 2
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This document provides a summary of the major new features in JavaServer Faces (JSF) 2.0, including Facelets as the preferred view declaration language, composite components, Ajax support, partial state saving, view parameters, system events, resources, behaviors, view traversal, annotations, navigation, exceptions, validation, EL improvements, and new scopes. It highlights contributions from the JSF expert group and community and provides resources for learning more about JSF 2.0.
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A Complete Tour of JSF 2
- 1. A Complete Tour of JavaServer Faces 2.0 Jim Driscoll [email_address] Andy Schwartz [email_address]
- 2. What's new?
- 5. Oracle
- 6. Apache
- 7. IceFaces
- 8. RichFaces
- 10. Book Authors
- 11. Many more
- 12. All of the Faces of Faces at Sun R Ed Burns Jim Driscoll Roger Kitain Ryan Lubke
- 13. Most of the Faces of the EG Andy Schwartz Dan Allen Alexandr Smirnov Ken Paulsen Martin Marinschek Pete Muir Kito Mann Joe Ottinger Ted Goddard Neil Griffin Jason Lee David Geary Mike Freedman Gavin King R Jeremy Grelle Keith Donald Ed Burns Jim Driscoll Roger Kitain Ryan Lubke
- 14. Some Faces of the Faces Community Andy Schwartz Dan Allen Jacob Hookom Alexandr Smirnov Ken Paulsen Martin Marinschek Matthias We ßendorf Pete Muir Alexander Jesse Imre O ßwald Yara Senger Lincoln Baxter III Adam Winer Craig McClanahan Kito Mann Rick Hightower Joe Ottinger Ted Goddard Neil Griffin Jason Lee Stan Silvert David Geary Mike Freedman Gavin King Hazem Saleh Çağatay Çivici Dennis Byrne Roger Keays Amy Fowler Max Katz R Jeremy Grelle Keith Donald
- 16. Most ideas were proven in the community before adoption
- 17. Some approaches (i.e., Ajax) required a good deal of merging
- 18. Highlights on each feature
- 20. Facelets
- 25. Better error handling, including line numbers
- 26. Library prefixes as namespaces
- 30. This...
- 31. Becomes this...
- 32. Or maybe this:
- 35. Validators, etc
- 38. Library name is directory name
- 40. Composite Component In file ctx-root/resources/simpleout/out.xhtml: <composite:interface> <composite:attribute name="value" required="true"/> </composite:interface> <composite:implementation> <h:outputText value="#{cc.attrs.value}" style="background-color: yellow"/> </composite:implementation>
- 41. Composite Component <html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core" xmlns:ez="http://java.sun.com/jsf/composite/simpleout"> .... <ez:out value="Test Value"/> ....
- 42. Ajax
- 49. Ajax Tag Example <h:outputText id="out1" value="#{count.count}"/> <h:commandButton value="Count"> <f:ajax render=”out1”/> </h:commandButton>
- 52. Save only the state that's changed since creation of the component tree
- 53. Per-view state size up to 4X smaller than before
- 54. Default for pages written with Facelets
- 55. Of interest to Java custom component authors
- 56. All standard components implement this feature - your composite components will automatically take advantage of it.
- 58. Simplify Custom Components public class MyInput extends UIComponentBase { private enum Keys { name } public String getName() { return getStateHelper().get(name); } public void setName(String nameParam) { getStateHelper().put(name, nameParam); } }
- 59. View Parameters
- 61. Provides a way to map request parameters to special components within the view
- 62. <f:metadata>
- 63. <f:viewParam>
- 64. View Parameters <f:metadata> <f:viewParam name="foo" value="#{bean.foo}"/> </f:metadata> page1.xhtml?foo=bar bean.foo will equal “bar”
- 66. All attached objects valid for UIInput are valid – validation and conversion
- 67. Breaks the tyranny of POST
- 68. Lays the foundation for Bookmarkable pages
- 69. System Events
- 78. Declarative System Events <h:inputText> <f:event type="preValidate" listener="#{bean.doSomePreValidation}"/> </h:inputText>
- 79. Resources
- 81. Resources are logically related to components, treat them that way.
- 82. Load from Classpath, or filesystem
- 83. Full support for “Library” concept, I18N, Versioning
- 85. attribute for target: head, body, form
- 86. Built in support for CSS, Image, JavaScript resources
- 88. Attribute for target: head, body, form
- 89. Smart includes, useful for composite components
- 94. Behaviors
- 96. ClientBehavior extends Behavior
- 97. Define things that happen in the view, in the browser
- 98. Currently only one standard ClientBehavior implementation: AjaxBehavior
- 99. New interface: ClientBehaviorHolder , implemented by all components in javax.faces.component.html
- 101. View Traversal
- 104. Used by new StateManagementStrategy
- 106. Navigation
- 107. Exceptions
- 108. Validation
- 109. EL
- 110. Scopes
- 111. Project Stage
- 113. @*Scoped (Session, Request, etc)
- 114. @ManagedProperty
- 115. @FacesComponent
- 116. @FacesConverter
- 117. etc.
- 118. With implicit Navigation, may eliminate need for faces-config.xml in many cases
- 120. New components <h:link> , <h:button> , cause the browser to submit GET request, contrast with <h:command{Button|Link}>
- 121. <f:param> add GET params
- 126. all interesting exceptions flow through the exception handler!
- 139. useful for storing data for use on the “next” request
- 140. preserves FacesContext-messages across redirects
- 147. Changed in 2.0
- 148. Deprecated in 2.0 (JSP) M
- 156. Several additional books will be out this year
- 157. A Complete Tour of JavaServer Faces 2.0 Jim Driscoll [email_address] Andy Schwartz [email_address]
Notas do Editor
- Heading should be V3 Express? Change the dates and names
- test
- Heading should be V3 Express? Change the dates and names