resumable_post_body.java

        try {
            User user = getAuthenticatedUser();

            FileInfo fileInfo = InfoFactory.createFileInfo(
                uploadLength,
                uploadMetadata,
                user != null ? user.getUsername() : "",
                null
            );

            Store store = fileStoreUtil.getStore(fileInfo);
            store = (store == null) ? fileStoreUtil.createStore(fileInfo) : store;

            HttpHeaders responseHeaders = new HttpHeaders();
            responseHeaders.setLocation(new URI(store.getURI()));
            responseHeaders.set("New-Offset", store.getFileOffset().toString());
            return new ResponseEntity<>("", responseHeaders, HttpStatus.CREATED);
        } catch (Exception e) {
            return ResponseEntity.badRequest()
                .headers(HeaderUtil.createAlert(ENTITY_NAME,"failed creation"))
                .build();
        }