Features of JSF

Features of JSF

The JSF provides standard features that make it powerful among other available web-based technology on Java. The latest version of the JSF(JavaServer Faces) Provides the following features:

Component-Based Features

JSF is a server-side component-based web development framework. It provides inbuilt components for building web applications efficiently. JSF simplifies the construction of the user interfaces using reusable components, making it convenient to create a web interface quickly and efficiently.

Integration with Expression Language

To create the user interface, the expression language provides an important mechanism. It helps provide easy access to a collection's elements, which can be a list, map or array. We can use the expression language to perform the arithmetic, logical and relational operations.

Facelets Technology

Facelets is an open-source web template system that is used to build the JavaServer Faces view using HTML-style templates. It is the default view handler technology for JavaServer Faces(JSF) which requires valid input XML documents to work.

Ease and Rapid Web Development

JSF provides a set of built-in tools and libraries to develop web applications easily and rapidly.

Managed Beans

Managed beans is a Java Beans managed by the JSF framework. It works as a model for UI components. It can be accessed from the JSF page. The JSF provides the annotation facility by which you can perform validation-related tasks in managed beans.

HTML5

HTML5 is a new standard for developing web applications. JSF enables interaction between HTML5 and JSF views. This allows the developers to use the scalability and modernisation of HTML5.

Support Internationalisation

Internationalisation is a technique in which GUI component labels, date, currency, and status messages are not hardcoded in the program. Rather they are stored outside the source code in the resource bundle and retrieved dynamically. JSF supports internationalisation for creating web applications. 

Exception Handling

JSF has exception handling by default so that you can create web applications without exceptions and bugs.

AJAX Support

AJAX stand for Asynchronous JavaScript and XML. It is the technique that allows the web pages to be updated asynchronously by sending data to the server and receiving data from it. JSF has inbuilt AJAX support. It provides f:ajax tag to handle ajax calls.

Templating

In a web application, a template defines a common interface layout and style. In JSF, you can create your template and reuse it or treat it as a component for applications.

Frequently Asked Questions

What are the benefits of using JSF?

Some of the benefits of the JSF are shown below:

• It offers a clean separation between behaviour and presentation.
• It reduces the effort required for creating and maintaining applications.
• Ease for developers to use.
   

What do you mean by the MVC architecture?

The MVC or  Model View Controller is an architecture that is used to separate application concerns. Here,

• The Model represents an object.
• The View represents the visualisation of data that the Model contains.
• The Controller is used to control the data flow into the model object and also for updating the View whenever the data changes.
   

Does JSF follow the MVC architecture?

JavaServer Faces follows the MVC architecture to ensure that applications are well designed and easier to maintain.

Conclusion

In this article, we have extensively discussed the Features of the JSF with proper explanation.

We started with the basic introduction. Then we discussed the followings:

• What is JSF
• Features of JSF
  • Component-Based Features
  • Integration with Expression Language
  • Facelets Technology
  • Ease and Rapid Web Development
  • Managed Beans
  • HTML5
  • Support Internationalization
  • Exception Handling
  • AJAX Support
  • Templating
     

We hope that this blog gives you some ideas regarding JSF's Features.

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