WebMvcConfig

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@EnableWebMvc
@Configuration
public class WebMvcConfig implements WebMvcConfigurer {

    private static final String[] CLASSPATH_RESOURCE_LOCATIONS = new String[]{"classpath:/META-INF/resources/", "classpath:/resources/", "classpath:/static/", "classpath:/static/dist/"};

    /*
    @Bean
    public ServletWebServerFactory servletWebServerFactory(){
        return new TomcatServletWebServerFactory();
    }
    */

    @Bean
    public ServletRegistrationBean servletRegistrationBean() {
        ServletRegistrationBean bean = new ServletRegistrationBean(new DispatcherServlet());
        bean.setOrder(1);
        List urlPattern = new ArrayList<>();
        urlPattern.add("/*");
        bean.setName("dispatcher");
        bean.setUrlMappings(urlPattern);
        return bean;
    }


    @Bean
    public ServletListenerRegistrationBean bootstrapListenerBean(){
        ServletListenerRegistrationBean bean = new ServletListenerRegistrationBean(new BootstrapListener());
        return bean;
    }

    @Bean
    public ServletListenerRegistrationBean contextLoaderListenerBean(){
        ServletListenerRegistrationBean bean = new ServletListenerRegistrationBean(new ContextLoaderListener());
        return bean;
    }

    @Bean
    public FilterRegistrationBean encodingFilterBean() {
        FilterRegistrationBean registration = new FilterRegistrationBean();
        registration.setFilter(new CharacterEncodingFilter());
        registration.setName("encoding");
        Map initParam = new HashMap<>();
        initParam.put("encoding", "UTF-8");
        registration.setInitParameters(initParam);
        registration.addUrlPatterns("/*");
        return registration;
    }

    @Bean
    public FilterRegistrationBean metricsFilterBean() {
        FilterRegistrationBean registration = new FilterRegistrationBean();
        registration.setFilter(new MetricsFilter());
        registration.setName("metrics");
        registration.addUrlPatterns("/*");
        return registration;
    }

    @Bean
    public FilterRegistrationBean permissionFilterBean() {
        FilterRegistrationBean registration = new FilterRegistrationBean();
        registration.setFilter(new PermissionFilter());
        registration.setName("permission");
        registration.addUrlPatterns("/*");
        return registration;
    }

    @Bean
    public FilterRegistrationBean seqIdServletFilterBean() {
        FilterRegistrationBean registration = new FilterRegistrationBean();
        registration.setFilter(new SeqIdServletFilter());
        registration.setName("seqIdServlet");
        registration.addUrlPatterns("/*");
        return registration;
    }


    /**
     * 不加这个ok.htm没法显示
     * @param configurer
     */
    @Override
    public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
        configurer.favorPathExtension(false);
    }

    /**
     * 增加静态资源处理器
     * @param registry
     */
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler(new String[]{"/**"}).addResourceLocations(CLASSPATH_RESOURCE_LOCATIONS);
    }
}