public static String saveProduct(FileStorage storage, File productFile, String id, int version)
throws IOException {
FileContent content = makeFileContentWithFile(productFile);
if (content == null) return null;
String fid =
FilenameUtils2.changeFilenameWithoutExt(content.filename, makeProductFilename(id, version));
return storage.write(fid, content);
}
public static String saveImageWithFileItem(
FileStorage storage, String imageField, String id, FileItem fi) throws IOException {
if (fi == null) return null;
String imageType = StringUtils.removeEnd(imageField, "_image");
FileContent content = makeFileContentWithFileItem(fi);
if (content == null) return null;
String fid =
FilenameUtils2.changeFilenameWithoutExt(
content.filename, makeProductImageFilename(id, imageType));
return storage.write(fid, content);
}