JavaServer Faces (JSF) and Facelets
- A specification for component-based view frameworks.
- Mojarra and Apache MyFaces implementations are available
- Typically uses Facelets for XML/XHTML-based templating.
- Classes are written as POJOs, with and Annotations or XML configuration files used to associate them with page and component templates.
- The Unified Expression Language allows binding component fields and events to POJO bean properties and methods.
- Conversion and validation constraints can be specified in Facelets and are automatically applied, normally resulting in reposting of the same page with error information in case of failure.
- Navigation can be via configuration file rules or directly specified in the page.
- Can transparently support Ajax.
- Competitor: Wicket, Tapestry
Read more about this topic: Java: View Technologies And Frameworks
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—T.S. (Thomas Stearns)