Spring MVC - Extending WebMvcConfigurationSupport Examples

@Configuration
@ComponentScan
public class AppConfig extends WebMvcConfigurationSupport {

    @Override
    @Bean
    public RequestMappingHandlerMapping requestMappingHandlerMapping () {
        RequestMappingHandlerMapping m = super.requestMappingHandlerMapping();
        m.setAlwaysUseFullPath(true);
        return m;
    }
}

@Configuration
@ComponentScan
public class AppConfig extends WebMvcConfigurationSupport {
    @Override
    @Bean
    public RequestMappingHandlerMapping requestMappingHandlerMapping() {
        RequestMappingHandlerMapping m = super.requestMappingHandlerMapping();
        m.setDefaultHandler(new MyDefaultHandler());
        return m;
    }
}

@Configuration
@ComponentScan
public class MyWebConfig extends WebMvcConfigurationSupport {

    @Override
    protected ConfigurableWebBindingInitializer getConfigurableWebBindingInitializer(
            FormattingConversionService mvcConversionService,
            Validator mvcValidator) {

        ConfigurableWebBindingInitializer initializer =
                super.getConfigurableWebBindingInitializer(mvcConversionService,
                                                           mvcValidator);

        initializer.setPropertyEditorRegistrar(propertyEditorRegistry -> {
            SimpleDateFormat dateFormatter =
                    new SimpleDateFormat("yyyy-MM-dd");
            propertyEditorRegistry.registerCustomEditor(
                    Date.class, new CustomDateEditor(dateFormatter,
                                                     true));
        });
        return initializer;
    }
}