#33 [Add] Api ResponseDTO 예외처리 핸들러 추가

build.gradle

@@ -53,6 +53,7 @@ dependencies {
 	// validation
 	implementation 'org.springframework.boot:spring-boot-starter-validation'
 	annotationProcessor "org.springframework.boot:spring-boot-configuration-processor"
+	implementation 'org.hibernate.validator:hibernate-validator'
 	//queryDSL
 	implementation "com.querydsl:querydsl-jpa:${queryDslVersion}"
 	implementation "com.querydsl:querydsl-apt:${queryDslVersion}"

src/main/java/com/mpnp/baechelin/api/service/LocationService.java

@@ -106,16 +106,16 @@ public Map<String, Object> convertAddressToGeo(String address) {
      * @param address 변환할 주소
      * @return RestTemplate를 이용해 변환한 위도, 경도
      */
-    public LocationKeywordSearchForm getLatLngByAddressRest(String address) {
+    public LocationKeywordSearchForm getLatLngByAddressRest(String address, int page, int size) {
         HttpHeaders headers = new HttpHeaders();
         headers.setAccept(List.of(MediaType.APPLICATION_JSON));
         headers.setContentType(MediaType.APPLICATION_JSON);
         headers.set("Authorization", "KakaoAK 04940cceefec44d7adb62166b7971cd5");
         URI uri = UriComponentsBuilder
                 .fromUriString("https://dapi.kakao.com/v2/local/search/keyword.json")
                 .queryParam("query", address)
-                .queryParam("page", 1)
-                .queryParam("size", 1)
+                .queryParam("page", page)
+                .queryParam("size", size)
                 .encode()
                 .build()
                 .toUri();
@@ -128,9 +128,9 @@ public LocationKeywordSearchForm getLatLngByAddressRest(String address) {
     }
 
     public LocationKeywordSearchForm getCategoryByLatLngKeywordRest(String lat, String lng, String storeName) {
-        LocationKeywordSearchForm searchFormResult = getCategoryByCode(lat, lng, storeName, "FD6");
+        LocationKeywordSearchForm searchFormResult = getCategoryByCode(lat, lng, storeName, "FD6",1,1);
         if (searchFormResult == null) {
-            return getCategoryByCode(lat, lng, storeName, "CE7");
+            return getCategoryByCode(lat, lng, storeName, "CE7",1,1);
         }
         return searchFormResult;
     }
@@ -142,7 +142,7 @@ public LocationKeywordSearchForm getCategoryByLatLngKeywordRest(String lat, Stri
      * @param cateCode 카테고리 코드
      * @return 위도, 경도, 업장명, 카테고리 코드 조건에 맞는 정보를 리턴
      */
-    public LocationKeywordSearchForm getCategoryByCode(String lat, String lng, String storeName, String cateCode) {
+    public LocationKeywordSearchForm getCategoryByCode(String lat, String lng, String storeName, String cateCode, int page, int size) {
         HttpHeaders headers = new HttpHeaders();
         headers.setAccept(List.of(MediaType.APPLICATION_JSON));
         headers.setContentType(MediaType.APPLICATION_JSON);
@@ -154,8 +154,8 @@ public LocationKeywordSearchForm getCategoryByCode(String lat, String lng, Strin
                 .queryParam("y", lat)
                 .queryParam("category_group_code", cateCode)
                 .queryParam("radius", 200)
-                .queryParam("page", 1)
-                .queryParam("size", 1)
+                .queryParam("page", page)
+                .queryParam("size", size)
                 .encode()
                 .build()
                 .toUri();

src/main/java/com/mpnp/baechelin/api/service/PublicApiService.java

@@ -118,7 +118,7 @@ private void setInfos(PublicApiResponseDto publicApiResponseDto) {
 
 
     private boolean setRowLngLat(PublicApiResponseDto.Row row) throws JsonProcessingException {
-        LocationKeywordSearchForm latLngSearchForm = locationService.getLatLngByAddressRest(row.getADDR());
+        LocationKeywordSearchForm latLngSearchForm = locationService.getLatLngByAddressRest(row.getADDR(),1,1);
 //        LocationKeywordSearchForm latLngSearchForm = locationService.giveLatLngByAddress(row.getADDR());
         if (latLngSearchForm == null) return false;
         LocationKeywordSearchForm.Documents latLngDoc = Arrays.stream(latLngSearchForm.getDocuments()).findFirst().orElse(null);

src/main/java/com/mpnp/baechelin/exception/BeanValidationException.java

@@ -0,0 +1,22 @@
+package com.mpnp.baechelin.exception;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+import javax.validation.ConstraintViolationException;
+
+@RestControllerAdvice
+public class BeanValidationException {
+    // Bean Validation ExceptionHandler
+    @ExceptionHandler(ConstraintViolationException.class)
+    public ResponseEntity<ErrorResponse> validExceptionNotControlled(ConstraintViolationException cve) {
+        return ErrorResponse.constraintMsgToResponseEntity(ErrorCode.WRONG_INPUT, cve.getConstraintViolations().iterator().next().getMessage());
+    }
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public ResponseEntity<ErrorResponse> handleMethodArgumentNotValidException(MethodArgumentNotValidException mae) {
+        return ErrorResponse.constraintMsgToResponseEntity
+                (ErrorCode.WRONG_INPUT, mae.getBindingResult().getAllErrors().get(0).getDefaultMessage());
+    }
+}

src/main/java/com/mpnp/baechelin/exception/ErrorCode.java

@@ -17,7 +17,7 @@ public enum ErrorCode {
     ACCESS_DENIED(401, "E-ACD401","접근이 거부되었습니다."),
     TOKEN_NOT_EXIST(401, "E-TNE401", "토큰이 존재하지 않습니다."),
     ALREADY_LOGIN_ACCOUNT(400, "E-ALA400","다른 계정으로 로그인 되었습니다."),
-
+    WRONG_INPUT(400, "E_WI400", "입력 값을 확인해주세요"),
     API_LOAD_FAILURE(500, "E-ALF500", "API 로딩에 실패하였습니다."),
     API_NO_RESULT(500, "E-ALF500", "API 결과가 존재하지 않습니다.");
 

src/main/java/com/mpnp/baechelin/exception/ErrorResponse.java

@@ -4,6 +4,7 @@
 import lombok.Getter;
 import org.springframework.http.ResponseEntity;
 
+import javax.validation.ConstraintViolationException;
 import java.time.LocalDateTime;
 
 @Getter
@@ -26,4 +27,16 @@ public static ResponseEntity<ErrorResponse> toResponseEntity(ErrorCode errorCode
                         .build()
                 );
     }
+
+    public static ResponseEntity<ErrorResponse> constraintMsgToResponseEntity(ErrorCode errorCode, String msg) {
+        return ResponseEntity
+                .status(errorCode.getStatus())
+                .body(ErrorResponse.builder()
+                        .status(errorCode.getStatus())
+                        .code(errorCode.getCode())
+                        .error(errorCode.name())
+                        .message(msg)
+                        .build()
+                );
+    }
 }