RedirectView

In a web application, URL redirection or forwarding is the technique of moving visitors to a different web page than the one they requested. Most of the time, this technique is used after submitting a web form to avoid resubmission of the same form due to pressing the browser's back button or refresh. Spring MVC has a special View object that handles redirection and forwarding. To use a RedirectView (org.springframework.web.servlet.view.RedirectView) with our Controller, we simply need to return the target URL string with the redirection prefix from the Controller. There are two redirection prefixes available in Spring MVC:

• redirect

• forward

Time for action - examining RedirectView

Though both redirection and forwarding are used to present a different web page than the one requested, there is a small difference between them. Let's try to understand them by examining them:

1. Open our HomeController class and add one more request mapping method as follows:

         @RequestMapping("/welcome...