default content-type: application/json

Author: deki

aws-serverless-java-container-springboot3/src/main/java/com/amazonaws/serverless/proxy/spring/AwsSpringHttpProcessingUtils.java

@@ -17,6 +17,7 @@
 import org.springframework.cloud.function.serverless.web.ServerlessHttpServletRequest;
 import org.springframework.cloud.function.serverless.web.ServerlessMVC;
 import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.FileCopyUtils;
 import org.springframework.util.MultiValueMapAdapter;
@@ -194,9 +195,7 @@ private static void populateContentAndContentType(
             boolean base64Encoded,
             ServerlessHttpServletRequest httpRequest) {
         if (StringUtils.hasText(body)) {
-            if (contentType == null) {
-                httpRequest.setContentType("application/json");
-            }
+            httpRequest.setContentType(contentType == null ? MediaType.APPLICATION_JSON_VALUE : contentType);
             if (base64Encoded) {
                 httpRequest.setContent(Base64.getMimeDecoder().decode(body));
             } else {