Spring Boot--02MVC设置

package com.smartmap.sample.ch1.conf;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.context.annotation.Configuration;
import org.springframework.format.FormatterRegistry;
import org.springframework.format.datetime.DateFormatter;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.validation.MessageCodesResolver;
import org.springframework.validation.Validator;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.config.annotation.AsyncSupportConfigurer;
import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.ViewResolverRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import com.smartmap.sample.ch1.entity.User;

@Configuration
public class MvcConfiguration implements WebMvcConfigurer {

    @Override
    public void configurePathMatch(PathMatchConfigurer configurer) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.configurePathMatch(configurer);
    }

    @Override
    public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.configureContentNegotiation(configurer);
    }

    @Override
    public void configureAsyncSupport(AsyncSupportConfigurer configurer) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.configureAsyncSupport(configurer);
    }

    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.configureDefaultServletHandling(configurer);
    }

    @Override
    public void addFormatters(FormatterRegistry registry) {
        // TODO Auto-generated method stub
        registry.addFormatter(new DateFormatter("YYYY-MM-dd HH:mm:ss"));
        WebMvcConfigurer.super.addFormatters(registry);
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new SessionHandlerInteceptor()).addPathPatterns("/admin/**");
        WebMvcConfigurer.super.addInterceptors(registry);
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.addResourceHandlers(registry);
    }

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        // TODO Auto-generated method stub
        registry.addMapping("/**");
        WebMvcConfigurer.super.addCorsMappings(registry);
    }

    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        // TODO Auto-generated method stub
        registry.addViewController("/index.html").setViewName("login");
        registry.addRedirectViewController("/system/index.html", "/system");
        WebMvcConfigurer.super.addViewControllers(registry);
    }

    @Override
    public void configureViewResolvers(ViewResolverRegistry registry) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.configureViewResolvers(registry);
    }

    @Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> resolvers) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.addArgumentResolvers(resolvers);
    }

    @Override
    public void addReturnValueHandlers(List<HandlerMethodReturnValueHandler> handlers) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.addReturnValueHandlers(handlers);
    }

    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.configureMessageConverters(converters);
    }

    @Override
    public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.extendMessageConverters(converters);
    }

    @Override
    public void configureHandlerExceptionResolvers(List<HandlerExceptionResolver> resolvers) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.configureHandlerExceptionResolvers(resolvers);
    }

    @Override
    public void extendHandlerExceptionResolvers(List<HandlerExceptionResolver> resolvers) {
        // TODO Auto-generated method stub
        WebMvcConfigurer.super.extendHandlerExceptionResolvers(resolvers);
    }

    @Override
    public Validator getValidator() {
        // TODO Auto-generated method stub
        return WebMvcConfigurer.super.getValidator();
    }

    @Override
    public MessageCodesResolver getMessageCodesResolver() {
        // TODO Auto-generated method stub
        return WebMvcConfigurer.super.getMessageCodesResolver();
    }

    class SessionHandlerInteceptor implements HandlerInterceptor {

        @Override
        public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
                throws Exception {
            User user = (User) request.getSession().getAttribute("user");
            if (user == null) {
                response.sendRedirect("/login.html");
                return false;
            }
            return HandlerInterceptor.super.preHandle(request, response, handler);
        }

        @Override
        public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
                ModelAndView modelAndView) throws Exception {
            // TODO Auto-generated method stub
            HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);
        }

        @Override
        public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler,
                Exception ex) throws Exception {
            // TODO Auto-generated method stub
            HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
        }

    }
}