import org.springframework.web.WebApplicationInitializer;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.servlet.DispatcherServlet;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration;
public class MyWebInitializer implements WebApplicationInitializer {
@Override
public void onStartup (ServletContext servletContext) throws ServletException {
AnnotationConfigWebApplicationContext ctx =
new AnnotationConfigWebApplicationContext();
ctx.register(MyWebConfig.class);
ctx.setServletContext(servletContext);
ServletRegistration.Dynamic servlet =
servletContext.addServlet("springDispatcherServlet",
new DispatcherServlet(ctx));
servlet.setLoadOnStartup(1);
servlet.addMapping("/");
}
}