[feat/#170] post API connection 서비스키 인식완료

Author: borntocode2

src/main/java/goodspace/backend/shipping/controller/ShippingTraceController.java

@@ -2,6 +2,8 @@
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+import goodspace.backend.shipping.dto.ShippingDetailDto;
 import goodspace.backend.shipping.dto.ShippingResponseDto;
 import goodspace.backend.shipping.service.ShippingTraceService;
 import lombok.RequiredArgsConstructor;
@@ -10,45 +12,28 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.util.UriComponentsBuilder;
 
-import java.io.UnsupportedEncodingException;
-import java.net.URLEncoder;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.*;
 import java.nio.charset.StandardCharsets;
 
+
 @RestController
 @RequestMapping("/shipping")
 @RequiredArgsConstructor
 public class ShippingTraceController {
     private final ShippingTraceService shippingTraceService;
 
     @Value("${api.epost.shipping-service-key}")
-    private String ServiceKey;
+    private String serviceKey;
 
     private String baseUrl =
             "http://openapi.epost.go.kr/trace/retrieveLongitudinalCombinedService/retrieveLongitudinalCombinedService/getLongitudinalCombinedList";
 
-    @GetMapping("/shippingDetatil")
-    public String getShippingDetail(@RequestParam String rgist) {
-
-
-        //TODO : url 뿌려주고 DTo받았으니 이 데이터를 활용해야함. 새로운 detail업데이트 and status업데이트
-        try {
-            String encodedServiceKey = URLEncoder.encode(ServiceKey, StandardCharsets.UTF_8.toString());
-            String url = baseUrl + "?ServiceKey=" + encodedServiceKey + "&rgist=" + rgist;
-            ShippingResponseDto shippingResponseDto = shippingTraceService.requestShippingStatus(url);
-            System.out.println(url);
-            ObjectMapper mapper = new ObjectMapper();
-            String json = mapper.writerWithDefaultPrettyPrinter().writeValueAsString(shippingResponseDto);
-            System.out.println(json);
-
-            return json;
-        } catch (JsonProcessingException e) {
-            e.printStackTrace();
-            return "JSON 변환 중 오류 발생";
-        } catch (UnsupportedEncodingException e) {
-            e.printStackTrace();
-            return "인코딩 변환 실패";
-        }
-
+    @GetMapping("/shippingDetail")
+    public ShippingResponseDto getShippingDetail(@RequestParam String rgist) throws Exception {
+        return shippingTraceService.requestShippingStatus(serviceKey, rgist);
     }
 }

src/main/java/goodspace/backend/shipping/service/ShippingTraceService.java

@@ -1,5 +1,6 @@
 package goodspace.backend.shipping.service;
 
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
 import goodspace.backend.shipping.dto.ShippingResponseDto;
 import lombok.AllArgsConstructor;
 import lombok.NoArgsConstructor;
@@ -9,15 +10,51 @@
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.client.RestTemplate;
 
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URI;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+
 @Service
 @Transactional
 @RequiredArgsConstructor
 public class ShippingTraceService {
     private final RestTemplate restTemplate;
 
-    public ShippingResponseDto requestShippingStatus(String url){
-        restTemplate.getMessageConverters().add(new MappingJackson2HttpMessageConverter());
 
-        return restTemplate.getForObject(url, ShippingResponseDto.class);
+    public ShippingResponseDto requestShippingStatus(String serviceKey, String rgist) throws Exception {
+        String baseUrl = "http://openapi.epost.go.kr/trace/retrieveLongitudinalCombinedService/retrieveLongitudinalCombinedService/getLongitudinalCombinedList";
+
+        // 서비스키와 등기번호를 URL에 직접 추가
+        String urlStr = baseUrl + "?ServiceKey=" + URLEncoder.encode(serviceKey, StandardCharsets.UTF_8)
+                + "&rgist=" + URLEncoder.encode(rgist, StandardCharsets.UTF_8);
+
+        URL url = new URL(urlStr);
+        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+        conn.setRequestMethod("GET");
+        conn.setRequestProperty("Content-type", "application/xml"); // XML 요청
+
+        // 응답 읽기
+        BufferedReader rd;
+        if (conn.getResponseCode() >= 200 && conn.getResponseCode() <= 300) {
+            rd = new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8));
+        } else {
+            rd = new BufferedReader(new InputStreamReader(conn.getErrorStream(), StandardCharsets.UTF_8));
+        }
+
+        StringBuilder sb = new StringBuilder();
+        String line;
+        while ((line = rd.readLine()) != null) {
+            sb.append(line);
+        }
+        rd.close();
+        conn.disconnect();
+
+        // XML을 ShippingResponseDto로 변환
+        XmlMapper xmlMapper = new XmlMapper();
+        return xmlMapper.readValue(sb.toString(), ShippingResponseDto.class);
     }
 }