Spring EntryPoint code

ServerModule.java

/**
 * Module which binds the handlers and configurations.
 */
@Configuration
@Import({
	PropertiesModule.class,
	HttpModule.class,
	WebSocketModule.class,
	OptionalModule.class,
	ComponentModule.class,
	LdapModule.class,
	MappingModule.class,
	DatabaseModule.class,
	HibernateModule.class,
	CachingModule.class,
	MailModule.class,
	ResourceModule.class,
	LoggedInInterceptorModule.class
})
public class ServerModule {

	@Autowired
	private AnnotationSessionFactoryBean sessionFactory;

	@Bean(name="viewScripts")
	@DependsOn("sessionFactory")
	public ViewScripts viewScripts() {
		ViewScripts viewScripts = new ViewScripts("nz/co/doltech/actions/server/dbviews.xml");
		viewScripts.setSessionFactory(sessionFactory.getObject());

		Properties prop = AppProperties.getProperties();
		String view2ddl = prop.getProperty(PropertyMap.HIBERNATE_VIEW2DLL);
		if (view2ddl.equals("create")) {
			viewScripts.executeAll(Type.CREATE);
		} else if (view2ddl.equals("update")) {
			viewScripts.executeAll(Type.UPDATE);
		} else if (view2ddl.equals("drop")) {
			viewScripts.executeAll(Type.DROP);
		}
		return viewScripts;
	}
}

WebAppInitializer.java

public class WebAppInitializer implements WebApplicationInitializer {
    private static final String MVC_SERVLET_NAME = "mvcServlet";
	private static final String DISPATCH_SERVLET_NAME = "dispatch";
	private static final String ATTACHMENT_SERVLET_NAME = "attachmentService";

    @Override
    public void onStartup(ServletContext servletContext) throws ServletException {
		// Setup Custom Configurations
		setupCustomListeners(servletContext);
		setupCustomServlets(servletContext);
		setupCustomFilters(servletContext);

		// Setup Spring Configurations
        WebApplicationContext rootContext = createWebContext(servletContext);
		configureSpring(servletContext, rootContext);
        configureSpringMvc(servletContext, rootContext);
    }

	protected void setupCustomFilters(ServletContext servletContext) {
		addFilter(servletContext, new ShallowEtagHeaderFilter(), "etagFilter", "/api/*");
	}

	protected void setupCustomServlets(ServletContext servletContext) {
		addServlet(servletContext, new HttpRequestHandlerServlet(), ATTACHMENT_SERVLET_NAME, "/attachment/*");
	}

	protected void setupCustomListeners(ServletContext servletContext) {
		servletContext.setInitParameter("log4jConfigLocation", "classpath:log4j.properties");
		servletContext.setInitParameter("log4jExposeWebAppRoot", "false");
		servletContext.addListener(Log4jConfigListener.class);

		servletContext.addListener(ClassLoaderLeakPreventor.class);
		servletContext.addListener(RequestContextListener.class);
	}

	protected WebApplicationContext createWebContext(ServletContext servletContext) {
        AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
        context.register(WebMvcModule.class);

        servletContext.addListener(new ContextLoaderListener(context));

        return context;
    }

	protected void configureSpring(ServletContext servletContext, WebApplicationContext rootContext) {
		servletContext.setInitParameter("contextClass",
			"org.springframework.web.context.support.AnnotationConfigWebApplicationContext");

		servletContext.setInitParameter("contextConfigLocation", "nz.co.doltech.actions.server.spring.ServerModule");

		addServlet(servletContext, new HttpRequestHandlerServlet(), DISPATCH_SERVLET_NAME, "/dispatch/*");
	}

	protected void configureSpringMvc(ServletContext servletContext, WebApplicationContext rootContext) {
		addServlet(servletContext, new DispatcherServlet(rootContext), MVC_SERVLET_NAME, Rest.ROOT + "/*")
			.setLoadOnStartup(1);
    }

	private static <T extends HttpServlet> ServletRegistration.Dynamic addServlet(
			ServletContext servletContext, T servlet, String servletName, String mapping) {
		ServletRegistration.Dynamic servletRegistration = servletContext.addServlet(servletName, servlet);
		servletRegistration.addMapping(mapping);
		return servletRegistration;
	}

	private static <T extends Filter> FilterRegistration.Dynamic addFilter(
			ServletContext servletContext, T filter, String filterName, String mapping) {
		FilterRegistration.Dynamic filterRegistration = servletContext.addFilter(filterName, filter);
		filterRegistration.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), true, mapping);
		return filterRegistration;
	}
}