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JSF – Check If User is Logged In with preRenderView

This post demonstrates how to check if user is logged in before a restricted page is displayed to the user.

Requirements

Stuff used in this post.

  • JSF 2.2
    • javax.faces-2.2.8.jar
  • JDK 8

Using Event preRenderView

preRenderView is a system event that can be used to perform pre-processing before the a JSF page is displayed. For example, the following codes use preRenderView and invokes a managed bean method to perform a simple validation check.

myBean.isLoggedIn method has these codes:

ConfigurableNavigationHandler is used to “forward” the user to another page.

Download the codes

https://github.com/Turreta/JSF-Check-If-User-is-Logged-In-with-preRenderView

Karl San Gabriel

Karl San Gabriel

Java and Enterprise Technologies Expert