swagger

src/main/java/com/kamco/cd/kamcoback/config/api/ApiResponseAdvice.java

@@ -0,0 +1,42 @@
+package com.kamco.cd.kamcoback.config.api;
+
+import org.springframework.core.MethodParameter;
+import org.springframework.http.MediaType;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.server.ServerHttpRequest;
+import org.springframework.http.server.ServerHttpResponse;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;
+
+/**
+ * ApiResponseDto의 내장된 HTTP 상태 코드를 실제 HTTP 응답에 적용하는 Advice
+ *
+ * <p>createOK() → 201 CREATED ok() → 200 OK deleteOk() → 204 NO_CONTENT
+ */
+@RestControllerAdvice
+public class ApiResponseAdvice implements ResponseBodyAdvice<Object> {
+
+  @Override
+  public boolean supports(
+      MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
+    // ApiResponseDto를 반환하는 경우에만 적용
+    return returnType.getParameterType().equals(ApiResponseDto.class);
+  }
+
+  @Override
+  public Object beforeBodyWrite(
+      Object body,
+      MethodParameter returnType,
+      MediaType selectedContentType,
+      Class<? extends HttpMessageConverter<?>> selectedConverterType,
+      ServerHttpRequest request,
+      ServerHttpResponse response) {
+
+    if (body instanceof ApiResponseDto<?> apiResponse) {
+      // ApiResponseDto에 설정된 httpStatus를 실제 HTTP 응답에 적용
+      response.setStatusCode(apiResponse.getHttpStatus());
+    }
+
+    return body;
+  }
+}