WebMvcInitialiser.java 文件源码

@Override
public void onStartup(ServletContext servletContext) throws ServletException {
    //register config classes
    AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
    rootContext.register(WebMvcConfig.class);
    rootContext.register(JPAConfig.class);
    rootContext.register(WebSecurityConfig.class);
    rootContext.register(ServiceConfig.class);
    //set session timeout
    servletContext.addListener(new SessionListener(maxInactiveInterval));
    //set dispatcher servlet and mapping
    ServletRegistration.Dynamic dispatcher = servletContext.addServlet("dispatcher",
            new DispatcherServlet(rootContext));
    dispatcher.addMapping("/");
    dispatcher.setLoadOnStartup(1);

    //register filters
    FilterRegistration.Dynamic filterRegistration = servletContext.addFilter("endcodingFilter", new CharacterEncodingFilter());
    filterRegistration.setInitParameter("encoding", "UTF-8");
    filterRegistration.setInitParameter("forceEncoding", "true");
    //make sure encodingFilter is matched first
    filterRegistration.addMappingForUrlPatterns(null, false, "/*");
    //disable appending jsessionid to the URL
    filterRegistration = servletContext.addFilter("disableUrlSessionFilter", new DisableUrlSessionFilter());
    filterRegistration.addMappingForUrlPatterns(null, true, "/*");
}