*/
        private HeadObjectResponse getHeadObject() throws IOException {
            if (headObject == null) {
                final HeadObjectRequest request = HeadObjectRequest.builder().bucket(bucketName).key(objectName).build();
                try {
                    headObject = s3Client.headObject(request);
                } catch (final S3Exception e) {

            responseData.setContentLength(headObject.contentLength());
            checkMaxContentLength(responseData);

            responseData.setHttpStatusCode(Constants.OK_STATUS_CODE);
            responseData.setCharSet(getCharset());
            responseData.setLastModified(headObject.lastModified() == null ? null : Date.from(headObject.lastModified()));
            responseData.setMimeType(headObject.contentType());