rest controller practice : kakao translate api

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

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+package com.example.restcontroller.extra.controller;
+
+import com.example.restcontroller.common.model.ResponseResult;
+import com.example.restcontroller.extra.model.KakaoTranslateInput;
+import com.example.restcontroller.extra.model.KakaoTranslateResponse;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.client.RestTemplate;
+
+@RestController
+@RequiredArgsConstructor
+public class ApiExtraKakaoController {
+
+    @GetMapping("/api/extra/kakao/translate")
+    public ResponseEntity<?> chapter4_8(@RequestBody KakaoTranslateInput kakaoTranslateInput) {
+
+        String restApikey = "b358d5ce7911b4a65362196959c40a93";
+        String url = "https://dapi.kakao.com/v2/translation/translate";
+
+        RestTemplate restTemplate = new RestTemplate();
+        MultiValueMap<String, String> parameters = new LinkedMultiValueMap<>();
+        parameters.add("src_lang", "kr");
+        parameters.add("target_lang", "en");
+        parameters.add("query", kakaoTranslateInput.getText());
+
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
+        headers.add("Authorization", "KakaoAK " + restApikey);
+
+        HttpEntity<?> formEntity = new HttpEntity<>(parameters, headers);
+
+        KakaoTranslateResponse kakaoTranslateResponse = restTemplate.postForObject(url, formEntity, KakaoTranslateResponse.class);
+        return ResponseResult.success(kakaoTranslateResponse);
+    }
+}

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

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+package com.example.restcontroller.extra.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class KakaoTranslateInput {
+
+    private String text;
+}

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

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+package com.example.restcontroller.extra.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.List;
+
+@Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+public class KakaoTranslateResponse {
+
+    private List<String[]> translated_text;
+}