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What is Java Server Faces?

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In this section "What is Java Server Faces?" you will get detailed overview of JSF technology, which is ready to revolutionize the web application development process.

What is JSF?

    

In this section "What is JSF?" you will get detailed overview of JSF technology, which is ready to revolutionize the web application development process. JSF is complex system but you will be highly benefited by JSF technology. For example, you can easily make rich graphical Web application that can't be easily developed in HTML. Here we have tried to explain the JSF in easily understandable manner so that beginner can also understand easily. 

What is JSF?

JSF is new standard framework, developed through Java Community Process (JCP), that makes it easy to build user interfaces for java web applications  by assembling reusable components in a page. You can think of  JSF framework as a toolbox  that is full of  ready to use components where you can quickly  and easily add and reuse  these components many times in a page and capture events generated by actions on these components. So JSF applications are event driven. You typically embed components in a jsp page using custom tags defined by JSF technology and use the framework to handle navigation from one page to another. Components can be nested within another component , for example, input box, button in a form.

JSF is based on well established Model-View-Controller (MVC) design pattern. Applications developed using JSF frameworks are well designed and easy to maintain then any other applications developed in JSP and Servlets.

JSF eases the development of web applications based on Java technologies. Here are some of benefits of using JSF:

  • JSF provides standard, reusable components for creating user interfaces for web applications.

  • JSF provides many tag libraries for accessing and manipulating the components.

  • It automatically saves the form data and repopulates the form when it is displayed at client side.

  • JSF encapsulates the event handling and component rendering logic from programmers, programmers just use the custom components.

  • JSF is a specification and vendors can develop the implementations for JSF.

  • There are many GUIs available these days to simplify the development of web based application based on JSF framework.

JSF Components

JSF  includes mainly:

  1. Set of APIs to represent and manage state of components that helps server side validation, event handling, page navigation, data conversion etc.
  2. JSP custom tag library to create UI components in a view page.

The UI (user interface) created using JSF technology runs on server and  output is shown to the client. Goal of JSF  is to create web applications faster and easier. Developers can focus on UI components, events handling, backing beans and their interactions rather than request, response and markup. JSF hides complexities to enable developers to focus on their own specific work.

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Posted on: May 22, 2007

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Comments
ashmitha
June 30, 2012
JSF

i'm a beginner to JSF.....what are the prerequisites to learn JSF...??
Noor Ahmed
October 20, 2012
About UI

Hello, its good that JSF gives high UI capabilities. but this can be provided by jquery like scripting languages also. why are we giving burden to server to make this. please help i am a beginner in software development.
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