@Configuration
@EnableWebMvc
public class WebConfig extends WebMvcConfigurerAdapter {


    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/favicon.ico").addResourceLocations("/favicon.ico").setCachePeriod(CACHE_PERIOD);
        registry.addResourceHandler("/media/**").addResourceLocations("/media/").setCachePeriod(CACHE_PERIOD);
    }


    @Bean(name = "jspViewResolver")
    public InternalResourceViewResolver jspViewResolver() {
        InternalResourceViewResolver resolver = new InternalResourceViewResolver();
        resolver.setPrefix("/WEB-INF/jsp/");
        resolver.setSuffix(".jsp");
        resolver.setViewClass(JstlView.class);
        resolver.setOrder(1);
        return resolver;
    }

public class SpringWebAppInitializer implements WebApplicationInitializer {

	@Override
	public void onStartup(ServletContext servletContext) throws ServletException {
        AnnotationConfigWebApplicationContext appContext = new AnnotationConfigWebApplicationContext();
        appContext.register(ApplicationContextConfig.class);
        
        WebApplicationContext context = getContext();
        servletContext.addListener(new ContextLoaderListener(context));
        
        ServletRegistration.Dynamic dispatcher = servletContext.addServlet(
                "SpringDispatcher", new DispatcherServlet(appContext));
        dispatcher.setLoadOnStartup(1);
        dispatcher.addMapping("/");
        dispatcher.addMapping("/app/*");
        
	}