Skip to content

JSF (Java Server Faces)

Jump to bottom
Kaveesha Vishmini Kottahachchi edited this page Apr 30, 2024 · 1 revision

JSF stands for JavaServer Faces. It's a Java-based web application framework designed to simplify the development of user interfaces for Java EE (Enterprise Edition) applications. JSF is part of the Java EE platform and provides a component-based approach for building web applications.

Here are some key points about JSF:

  1. Component-Based: JSF is a component-based framework, meaning that web pages are built using reusable UI components. These components encapsulate both the visual presentation and the behavior of the user interface elements. JSF provides a rich set of built-in components such as buttons, input fields, tables, panels, and more.

  2. Event-Driven Model: JSF applications follow an event-driven programming model. User actions, such as clicking a button or submitting a form, trigger events that are handled by server-side event listeners. This allows developers to write event-handling code in Java, which is executed on the server.

  3. Managed Beans: JSF applications often use managed beans to manage application state and behavior. Managed beans are Java classes that are managed by the JSF framework and can be associated with UI components on the web pages. They can hold data, perform business logic, and interact with other parts of the application.

  4. Navigation Handling: JSF provides built-in navigation handling mechanisms for defining page navigation rules. Developers can specify navigation rules in configuration files or using annotations, defining how the application should navigate between different pages based on user actions.

  5. Expression Language (EL): JSF uses Expression Language (EL) to bind UI components to managed bean properties and methods. EL allows developers to access and manipulate data in the managed beans directly from the web pages, without writing Java code explicitly.

  6. Integration with Java EE: JSF is tightly integrated with other Java EE technologies such as Servlets, JSP (JavaServer Pages), CDI (Contexts and Dependency Injection), and JPA (Java Persistence API). This allows developers to build full-stack Java EE applications by combining various technologies seamlessly.

  7. Rich Ecosystem: JSF has a rich ecosystem of third-party component libraries, such as PrimeFaces, RichFaces, and BootsFaces, which provide additional UI components and functionality beyond the standard JSF specification.

Overall, JSF simplifies the development of web applications by providing a component-based approach, built-in event handling, and integration with other Java EE technologies. It's a mature and widely used framework for building enterprise-grade web applications in Java.

Back

Clone this wiki locally