package com.ruoyi.gateway.config;
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import java.util.ArrayList;
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import java.util.List;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.cloud.gateway.config.GatewayProperties;
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import org.springframework.cloud.gateway.route.RouteLocator;
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import org.springframework.cloud.gateway.support.NameUtils;
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import org.springframework.context.annotation.Lazy;
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import org.springframework.stereotype.Component;
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import org.springframework.web.reactive.config.ResourceHandlerRegistry;
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import org.springframework.web.reactive.config.WebFluxConfigurer;
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import springfox.documentation.swagger.web.SwaggerResource;
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import springfox.documentation.swagger.web.SwaggerResourcesProvider;
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/**
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* 聚合系统接口
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*
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* @author ruoyi
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*/
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@Component
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public class SwaggerProvider implements SwaggerResourcesProvider, WebFluxConfigurer {
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/**
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* Swagger2默认的url后缀
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*/
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public static final String SWAGGER2URL = "/v2/api-docs";
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/**
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* 网关路由
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*/
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@Lazy
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@Autowired
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private RouteLocator routeLocator;
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@Autowired
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private GatewayProperties gatewayProperties;
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/**
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* 聚合其他服务接口
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*
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* @return
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*/
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@Override
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public List<SwaggerResource> get() {
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List<SwaggerResource> resourceList = new ArrayList<>();
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List<String> routes = new ArrayList<>();
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// 获取网关中配置的route
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routeLocator.getRoutes().subscribe(route -> routes.add(route.getId()));
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gatewayProperties.getRoutes().stream()
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.filter(routeDefinition -> routes
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.contains(routeDefinition.getId()))
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.forEach(routeDefinition -> routeDefinition.getPredicates().stream()
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.filter(predicateDefinition -> "Path".equalsIgnoreCase(predicateDefinition.getName()))
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.filter(predicateDefinition -> !"ruoyi-auth".equalsIgnoreCase(routeDefinition.getId()))
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.forEach(predicateDefinition -> resourceList
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.add(swaggerResource(routeDefinition.getId(), predicateDefinition.getArgs()
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.get(NameUtils.GENERATED_NAME_PREFIX + "0").replace("/**", SWAGGER2URL)))));
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return resourceList;
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}
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private SwaggerResource swaggerResource(String name, String location) {
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SwaggerResource swaggerResource = new SwaggerResource();
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swaggerResource.setName(name);
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swaggerResource.setLocation(location);
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swaggerResource.setSwaggerVersion("2.0");
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return swaggerResource;
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}
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@Override
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public void addResourceHandlers(ResourceHandlerRegistry registry) {
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/** swagger-ui 地址 */
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registry.addResourceHandler("/swagger-ui/**", "*/doc.html")
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.addResourceLocations("classpath:/META-INF/resources/webjars/springfox-swagger-ui/");
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}
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}
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