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RichFaces Architecture

RichFaces Architecture 1

RichFaces has an architecture which consists of the following important elements.

  • Ajax Action Components
  • Ajax Containers
  • Ajax Output
  • Skins and Theming
  • RichFaces Ajax Extensions

Ajax Action Components

The RichFaces framework includes several Ajax Action Components and Submitting Bahaviors: <a4j:commandButton>, <a4j:commandLink>, <a4j:poll>, <a4j:ajax>, and more. Use Ajax Action Components to send Ajax requests from the client side.

Ajax Containers

AjaxContainer is an interface that marks part of the JSF tree that is decoded during an Ajax request. It only marks the JSF tree if the component or behavior sending the request does not explicitly specify an alternative. AjaxRegion is an implementation of this interface.

Ajax Output

AjaxContainer is an interface that marks part of the JSF tree that will be updated and rendered on the client for every Ajax request. It only marks the JSF tree if the component or behavior sending the request does not explicitly turn off automatic updates.

Skins and Theming

RichFaces includes extensive support for application skinning. Skinning is a high-level extension to traditional CSS (Cascading Style Sheets) which allows the color scheme and appearance of an application to be easily managed. The skins simplify look-and-feel design by allowing multiple elements of the interface to be handled as manageable features, which have associated color palettes and styling. Application skins can additionally be changed on the fly during run-time, allowing user experiences to be personalized and customized.

RichFaces Ajax Extensions

The RichFaces Ajax Extensions plug in to the standard JSF 2 Ajax script facility. They extend the script facility with new features and options.






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