🐛Fix: multipart content type 헤더 지원 변환 코드 추가

Author: imjuyongp

src/main/java/com/be/sportizebe/global/s3/convertor/MultipartJackson2HttpMessageConverter.java

@@ -0,0 +1,33 @@
+package com.be.sportizebe.global.s3.convertor;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.http.MediaType;
+import org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter;
+import org.springframework.stereotype.Component;
+
+import java.lang.reflect.Type;
+
+@Component
+public class MultipartJackson2HttpMessageConverter extends AbstractJackson2HttpMessageConverter {
+  /**
+   * "Content-Type: multipart/form-data" 헤더를 지원하는 HTTP 요청 변환기
+   */
+  public MultipartJackson2HttpMessageConverter(ObjectMapper objectMapper) {
+    super(objectMapper, MediaType.APPLICATION_OCTET_STREAM);
+  }
+
+  @Override
+  public boolean canWrite(Class<?> clazz, MediaType mediaType) {
+    return false;
+  }
+
+  @Override
+  public boolean canWrite(Type type, Class<?> clazz, MediaType mediaType) {
+    return false;
+  }
+
+  @Override
+  protected boolean canWrite(MediaType mediaType) {
+    return false;
+  }
+}