Implementing Login Authentication with Spring MVC Interceptors

Creating the Interceptor To implement an interceptor, create a class that implements the HandlerInterceptor interface. This interface defines three callback methods: preHandle, postHandle, and afterCompletion. For authentication purposes, the preHandle method is the primary focus, as it executes before the target controller method is invoked ...

Posted on Tue, 30 Jun 2026 17:34:57 +0000 by Dan Coates