JSF 2 fu: After-the-fact Ajax composite components

See the original posting on IBM developerWorks – Java

JavaServer Faces (JSF) 2 Expert Group member David Geary continues his article series offering in-depth coverage of JSF 2 technology. In this installment, you'll learn how to let page authors add Ajax to your composite components, taking a close look at a powerful — but entirely undocumented — JSF 2.0 tag. And you'll see how to implement a reusable, general-purpose, Ajax-capable icon component in fewer than 25 lines of XML.