diff --git a/build.gradle b/build.gradle index 78f617e..e2d90a7 100644 --- a/build.gradle +++ b/build.gradle @@ -57,6 +57,7 @@ dependencies { annotationProcessor 'org.projectlombok:lombok' testImplementation 'org.springframework.boot:spring-boot-starter-test' testRuntimeOnly 'org.junit.platform:junit-platform-launcher' + implementation 'org.springframework.boot:spring-boot-starter-webflux' // swagger implementation 'org.springdoc:springdoc-openapi-starter-webmvc-ui:2.1.0' diff --git a/src/main/java/com/example/umc7th/global/config/WebConfig.java b/src/main/java/com/example/umc7th/global/config/WebConfig.java new file mode 100644 index 0000000..4e84ced --- /dev/null +++ b/src/main/java/com/example/umc7th/global/config/WebConfig.java @@ -0,0 +1,36 @@ +package com.example.umc7th.global.config; + +import java.time.Duration; +import lombok.extern.slf4j.Slf4j; +import org.springframework.context.annotation.Bean; +import org.springframework.context.annotation.Configuration; +import org.springframework.http.client.reactive.ReactorClientHttpConnector; +import org.springframework.web.reactive.function.client.WebClient; +import reactor.netty.http.client.HttpClient; + +@Configuration +@Slf4j +public class WebConfig { + + @Bean + public WebClient webClient() { + // 연결 설정 + // TCP 연결 시 응답 시간 초과 값을 설정 + HttpClient httpClient = HttpClient.create() + .responseTimeout(Duration.ofMillis(20000)); + + // WebClient 생성 + return WebClient.builder() + // Base URL 설정 + .baseUrl("https://apis.data.go.kr/B551011/KorService1") + // 만들었던 연결 설정 넣어주기 + .clientConnector(new ReactorClientHttpConnector(httpClient)) + // filter를 사용해서 요청을 보낼 때 로그가 찍히도록 + .filter((request, next) -> { + log.info("Web Client Request: " + request.url()); + return next.exchange(request); + }) + // build로 객체 생성 + .build(); + } +} diff --git a/src/main/java/com/example/umc7th/openAPI/OpenApiWebClient.java b/src/main/java/com/example/umc7th/openAPI/OpenApiWebClient.java new file mode 100644 index 0000000..3e630d1 --- /dev/null +++ b/src/main/java/com/example/umc7th/openAPI/OpenApiWebClient.java @@ -0,0 +1,7 @@ +package com.example.umc7th.openAPI; + +import org.springframework.web.reactive.function.client.WebClient; + +public interface OpenApiWebClient { + WebClient getKoreanTourWebClient(); +} diff --git a/src/main/java/com/example/umc7th/openAPI/OpenApiWebClientImpl.java b/src/main/java/com/example/umc7th/openAPI/OpenApiWebClientImpl.java new file mode 100644 index 0000000..2ce2e47 --- /dev/null +++ b/src/main/java/com/example/umc7th/openAPI/OpenApiWebClientImpl.java @@ -0,0 +1,38 @@ +package com.example.umc7th.openAPI; + +import java.time.Duration; +import lombok.extern.slf4j.Slf4j; +import org.springframework.http.client.reactive.ReactorClientHttpConnector; +import org.springframework.stereotype.Component; +import org.springframework.web.reactive.function.client.WebClient; +import org.springframework.web.util.DefaultUriBuilderFactory; +import reactor.netty.http.client.HttpClient; + +@Component +@Slf4j +public class OpenApiWebClientImpl implements OpenApiWebClient { + @Override + public WebClient getKoreanTourWebClient() { + return getWebClient("https://apis.data.go.kr/B551011/KorService1"); + } + + private WebClient getWebClient(String baseUrl) { + HttpClient httpClient = HttpClient.create() + .responseTimeout(Duration.ofMillis(20000)); + + // Uri를 build하는 factory 생성 (baseUrl을 WebClient 대신 여기에 포함하도록) + DefaultUriBuilderFactory factory = new DefaultUriBuilderFactory(baseUrl); + // Uri factory에 인코딩 모드를 NONE으로 바꾸어 인코딩하지 않도록해줍니다. + factory.setEncodingMode(DefaultUriBuilderFactory.EncodingMode.NONE); + + return WebClient.builder() + .uriBuilderFactory(factory) + .clientConnector(new ReactorClientHttpConnector(httpClient)) + .filter((request, next) -> { + log.info("Web Client Request: " + request.url()); + return next.exchange(request); + }) + .build(); + } + +} \ No newline at end of file diff --git a/src/main/java/com/example/umc7th/openAPI/controller/OpenApiController.java b/src/main/java/com/example/umc7th/openAPI/controller/OpenApiController.java new file mode 100644 index 0000000..d60d31a --- /dev/null +++ b/src/main/java/com/example/umc7th/openAPI/controller/OpenApiController.java @@ -0,0 +1,24 @@ +package com.example.umc7th.openAPI.controller; + +import com.example.umc7th.global.apiPayload.CustomResponse; +import com.example.umc7th.openAPI.dto.OpenApiResponseDTO.SearchStayResponseListDTO; +import com.example.umc7th.openAPI.service.OpenApiQueryServiceImpl; +import lombok.RequiredArgsConstructor; +import org.springframework.web.bind.annotation.GetMapping; +import org.springframework.web.bind.annotation.RequestParam; +import org.springframework.web.bind.annotation.RestController; + +@RestController +@RequiredArgsConstructor +public class OpenApiController { + + private final OpenApiQueryServiceImpl openApiQueryService; + + @GetMapping("/searchStay") + public CustomResponse controller( + @RequestParam(name = "arrange", defaultValue = "A") String arrange, + @RequestParam(name = "page", defaultValue = "1") int page, + @RequestParam(name = "offset", defaultValue = "10") int offset) { + return CustomResponse.onSuccess(openApiQueryService.searchStay(arrange, page, offset)); + } +} diff --git a/src/main/java/com/example/umc7th/openAPI/dto/OpenApiResponseDTO.java b/src/main/java/com/example/umc7th/openAPI/dto/OpenApiResponseDTO.java new file mode 100644 index 0000000..92fc679 --- /dev/null +++ b/src/main/java/com/example/umc7th/openAPI/dto/OpenApiResponseDTO.java @@ -0,0 +1,44 @@ +package com.example.umc7th.openAPI.dto; + +import com.fasterxml.jackson.annotation.JsonIgnoreProperties; +import java.util.List; +import lombok.AllArgsConstructor; +import lombok.Builder; +import lombok.Getter; +import lombok.NoArgsConstructor; + +public class OpenApiResponseDTO { + @Builder + @NoArgsConstructor + @AllArgsConstructor + @Getter + // 해당 어노테이션으로 json 값을 Parsing할 때 필드가 없는 경우 무시하여 에러가 터지는 것을 방지, 한번 없이 돌려보시면 이해가 더 잘 되실겁니다. + @JsonIgnoreProperties(ignoreUnknown = true) + public static class SearchStayResponseDTO { + // 아래 변수는 Api 명세서의 응답을 보고 그대로 받고 싶은 값들만 똑같은 이름으로 만들어줍니다. + private String addr1; + private String title; + private String tel; + private String contentid; + private String contenttypeid; + private String createdtime; + private String firstimage; + private String firstimage2; + private String mapx; + private String mapy; + } + + @Builder + @NoArgsConstructor + @AllArgsConstructor + @Getter + public static class SearchStayResponseListDTO { + private List item; + + public static SearchStayResponseListDTO from(List list) { + return SearchStayResponseListDTO.builder() + .item(list) + .build(); + } + } +} diff --git a/src/main/java/com/example/umc7th/openAPI/service/OpenApiQueryServiceImpl.java b/src/main/java/com/example/umc7th/openAPI/service/OpenApiQueryServiceImpl.java new file mode 100644 index 0000000..a1d95c7 --- /dev/null +++ b/src/main/java/com/example/umc7th/openAPI/service/OpenApiQueryServiceImpl.java @@ -0,0 +1,75 @@ +package com.example.umc7th.openAPI.service; + +import com.example.umc7th.openAPI.OpenApiWebClient; +import com.example.umc7th.openAPI.dto.OpenApiResponseDTO; +import com.example.umc7th.openAPI.dto.OpenApiResponseDTO.SearchStayResponseDTO; +import com.example.umc7th.openAPI.dto.OpenApiResponseDTO.SearchStayResponseListDTO; +import com.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.ObjectMapper; +import java.util.ArrayList; +import java.util.List; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.stereotype.Service; +import org.springframework.web.reactive.function.client.WebClient; +import reactor.core.publisher.Mono; + +@Slf4j +@Service +@RequiredArgsConstructor +public class OpenApiQueryServiceImpl { + + // WebClient를 가져오기 위한 빈 주입 + private final OpenApiWebClient openApiWebClient; + + @Value("${openapi.tour.serviceKey}") + private String serviceKey; // 인증 키 + + public OpenApiResponseDTO.SearchStayResponseListDTO searchStay(String arrange, int page, int offset) { + // Web Client 가져오기 + WebClient webClient = openApiWebClient.getKoreanTourWebClient(); + Mono mono = webClient.get() // get method 사용 + // UriBuilder를 이용하여 Endpoint와 Query Param 설정 + .uri(uri -> uri + .path("/searchStay1") + .queryParam("numOfRows", offset) + .queryParam("pageNo", page) + .queryParam("MobileOS", "ETC") + .queryParam("MobileApp", "AppTest") + .queryParam("_type", "json") + .queryParam("arrange", arrange) + .queryParam("serviceKey", serviceKey) + .build()) + // 응답을 가져오기 위한 method (.onStatus()를 이용해서 Http 상태코드에 따라 다르게 처리해줄 수 있음) + .retrieve() + // 응답에서 body만 String 타입으로 가져오기 (ResponseEntity 중 Object만 String 형식으로 가져오기) + .bodyToMono(String.class) + // String 값을 메소드로 매핑하여 OpenApiResponseDTO.SearchStayResponseListDTO로 변경하기 + .map(this::toSearchStayResponseListDTO) + // 에러가 발생한 경우 log를 찍도록 + .doOnError(e -> log.error("Open Api 에러 발생: " + e.getMessage())) + // 성공한 경우에도 log를 찍도록 + .doOnSuccess(s -> log.info("관광 정보를 가져오는데 성공했습니다.")); + + // block()을 사용해서 응답을 바로 가져오도록 + return mono.block(); + } + + private OpenApiResponseDTO.SearchStayResponseListDTO toSearchStayResponseListDTO(String response) { + ObjectMapper objectMapper = new ObjectMapper(); + try { + List list = new ArrayList<>(); + JsonNode jsonNode = objectMapper.readTree(response).path("response").path("body").path("items") + .path("item"); + for (JsonNode node : jsonNode) { + list.add(objectMapper.convertValue(node, OpenApiResponseDTO.SearchStayResponseDTO.class)); + } + return OpenApiResponseDTO.SearchStayResponseListDTO.from(list); + } catch (Exception e) { + e.fillInStackTrace(); + } + return OpenApiResponseDTO.SearchStayResponseListDTO.from(null); + } + +}