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What is JavaServer Faces?

JavaServer Faces is an improvement of JSP and also a big step towards easier web application. At the moment the release of JSF (in late August 2002) is still in its draft level so for the final releases and coming draft level there are still opportunities for improvement.

Java Server Faces is a user interface framework for web applications. The aim is it sits on top of servlets and it runs on the Java server side and it provides a framework for applications who are using JSP , makes it easier for the developers to build the user interface side of their web applications.

This is the technology that sort of runs in the servlet container and as a user makes a request for a Java Server Faces page (front end webpage), the request goes across to the server, to the JSF machinery that's running on the server. The server builds up to some representation of the user interface and then sends it back to the client according to the language on what kind of client it is, i.e. HTML in a browser.

JSF processes the request parameters and then the strongly typed events on event handling code that was written by the application. The whole point of JSF is for writer, in terms of the user interface it really reduces the amount of code they have to write, to write a scalable, maintainable web application. In summary JSF is really all about ease of use and providing more ease of use in developing Java web applications.

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