Dispatcher Servlet Java Configuration

In a Spring Boot application, the DispatcherServlet serves as the front controller, managing incoming HTTP requests and routing them to appropriate handlers (controllers). While Spring Boot auto-configures many aspects for the developer, it’s valuable to understand how to manually configure the DispatcherServlet using Java configuration for more control and customization.

We used the XML files web.xml and player-servlet.xml to define the Spring MVC application configuration. It is possible to configure our application without using any XML. We will replace the files mentioned above with Java classes to initialize the dispatcher servlet.

First, we will create a package for the configuration files called config in io.datajek.springmvc. This package will contain two files that replace the web.xml and player-servlet.xml. ...