● Naver Open API
● Naver 상품검색 API 동작 순서
● Naver 오픈 api 목록
● ItemDto
package com.sparta.springresttemplateclient.naver.dto;
import lombok.Getter;
import lombok.NoArgsConstructor;
import org.json.JSONObject;
@Getter
@NoArgsConstructor
public class ItemDto {
private String title;
private String link;
private String image;
private int lprice;
public ItemDto(JSONObject itemJson) {
this.title = itemJson.getString("title");
this.link = itemJson.getString("link");
this.image = itemJson.getString("image");
this.lprice = itemJson.getInt("lprice");
}
}
● service
package com.sparta.springresttemplateclient.naver.service;
import com.sparta.springresttemplateclient.naver.dto.ItemDto;
import lombok.extern.slf4j.Slf4j;
import org.json.JSONArray;
import org.json.JSONObject;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.http.RequestEntity;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponentsBuilder;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
@Slf4j(topic = "NAVER API")
@Service
public class NaverApiService {
private final RestTemplate restTemplate;
public NaverApiService(RestTemplateBuilder builder) {
this.restTemplate = builder.build();
}
public List<ItemDto> searchItems(String query) {
// 요청 URL 만들기
URI uri = UriComponentsBuilder
.fromUriString("https://openapi.naver.com")
.path("/v1/search/shop.json")
.queryParam("display", 15)
.queryParam("query", query)
.encode()
.build()
.toUri();
log.info("uri = " + uri);
RequestEntity<Void> requestEntity = RequestEntity
.get(uri)
.header("X-Naver-Client-Id", "Client-Id")
.header("X-Naver-Client-Secret", "Client-Secret")
.build();
ResponseEntity<String> responseEntity = restTemplate.exchange(requestEntity, String.class);
log.info("NAVER API Status Code : " + responseEntity.getStatusCode());
return fromJSONtoItems(responseEntity.getBody());
}
public List<ItemDto> fromJSONtoItems(String responseEntity) {
JSONObject jsonObject = new JSONObject(responseEntity);
JSONArray items = jsonObject.getJSONArray("items");
List<ItemDto> itemDtoList = new ArrayList<>();
for (Object item : items) {
ItemDto itemDto = new ItemDto((JSONObject) item);
itemDtoList.add(itemDto);
}
return itemDtoList;
}
}
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