rest controller practice : open api 사용하기

rest-controller-practice/src/main/java/com/example/restcontroller/extra/ApiExtraController.java

@@ -0,0 +1,41 @@
+package com.example.restcontroller.extra;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.client.RestTemplate;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Collections;
+
+@RestController
+@RequiredArgsConstructor
+public class ApiExtraController {
+
+    @GetMapping("/api/extra/pharmacy")
+    public String chapter4_4() {
+
+        String apiKey = "JCkqoWYEf9zq0vRVR1TA8Nj6QUIl96TFQZwLnzlr32vbYPx7rJaZvCvq9box6J5WwxpNe5NSKoNzYenwdcXQDA%3D%3D";
+        String url = "http://apis.data.go.kr/B552657/ErmctInsttInfoInqireService/getParmacyListInfoInqire?serviceKey=%s&pageNo=1&numOfRows=10";
+
+        String apiResult = "";
+
+        try {
+            URI uri = new URI(String.format(url, apiKey));
+            RestTemplate restTemplate = new RestTemplate();
+            HttpHeaders headers = new HttpHeaders();
+            headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
+
+            String result = restTemplate.getForObject(uri, String.class);
+
+            apiResult = result;
+        } catch (URISyntaxException e) {
+            e.printStackTrace();
+        }
+        return apiResult;
+    }
+}