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src/main/java/com/wb/domainserver/response/WnbtResponseBody.java

@@ -1,23 +1,43 @@
 package com.wb.domainserver.response;
 
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import  com.wb.domainserver.exception.WnbtException;
 import  com.wb.domainserver.exception.WnbtRestException;
+import com.wb.domainserver.exception.code.ErrorCode;
 import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
 
 import java.util.Optional;
 
 @Data
 @AllArgsConstructor
+@Slf4j
 public class WnbtResponseBody {
     private String resultCode;
     private String message;
     private Object result;
 
+    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper().registerModule(new JavaTimeModule()) // LocalDateTime 지원
+            .disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS) // ISO 형식
+            .setSerializationInclusion(JsonInclude.Include.NON_NULL); // null 값 제외
+
     public WnbtResponseBody(Object result) {
-        this.result = result;
+
+        try{
+            this.result = OBJECT_MAPPER.writeValueAsString(result);
+        } catch (JsonProcessingException e) {
+            log.error(e.getMessage());
+            throw new WnbtRestException(ErrorCode.INTERNAL_SERVER_ERROR);
+        }
+
     }
 
+
     public WnbtResponseBody(WnbtException ex){
         this.resultCode = Optional.ofNullable(ex.getCode()).orElse("FAIL");
         this.message = ex.getMessage();