JSF Life Cycle Explained

The JSF life cycle is a series of phases that a JSF application goes through to handle requests and responses. It consists of six main phases: Restore View, Apply Request Values, Process Validations, Update Model Values, Invoke Application, and Render Response.

During the Restore View phase, the JSF framework reconstructs the view tree from the incoming request. Next, in the Apply Request Values phase, the values from the request are applied to the components in the view. Following that, the Process Validations phase validates the user input against the validators set on the components.

In the Update Model Values phase, the model values are updated based on the user input. The Invoke Application phase processes the application logic, such as calling action methods or handling events. Finally, in the Render Response phase, the updated view is rendered and sent back to the client.

Understanding the JSF life cycle is crucial for developers to effectively manage the flow of data and control in JSF applications.

For more in-depth information on the JSF life cycle and its workings, check out our comprehensive guide.