7.3. Start-up Code — WebInitializer

Now we’ll get rid of the Web.xml file and create the WebInitializer class in its place:

package ru.ibase.fbjavaex.config;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration.Dynamic;
import org.springframework.web.WebApplicationInitializer;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;
public class WebInitializer implements WebApplicationInitializer {
    @Override
    public void onStartup(ServletContext servletContext) throws ServletException {
        AnnotationConfigWebApplicationContext ctx =
            new AnnotationConfigWebApplicationContext();
        ctx.register(WebAppConfig.class);
        ctx.setServletContext(servletContext);
        Dynamic servlet = servletContext.addServlet("dispatcher",
                                                    new DispatcherServlet(ctx));
        servlet.addMapping("/");
        servlet.setLoadOnStartup(1);
    }
}

All that is left to configure is IoC containers for injecting dependencies, a step we will return to later. We proceed next to generating classes for working with the database via Java Object-Oriented Querying (jOOQ).