private static FileContent makeFileContentWithContent(InputStream content, String filename)
throws IOException {
String contentType = MimeTypeUtils.getMimeTypeByFilename(filename);
return FileContent.create(content, contentType, content.available()).withFilename(filename);
}
private static FileContent makeFileContentWithFileItem(FileItem fi) throws IOException {
return FileContent.createWithFileItem(fi).withFilename(fi.getName());
}