item.storeLocation = new File(fileName);
File f = new File(fileName); f.deleteOnExit(); item.storeLocation = f;
    public static FileItem newInstance(String path,                                       String name,                                       String contentType,                                       int requestSize,                                       int threshold)    {        DefaultFileItem item = new DefaultFileItem(name, contentType);        if(requestSize > threshold)        {            String fileName = getUniqueId();            fileName = "upload_" + fileName + ".tmp";            fileName = path + "/" + fileName;            item.storeLocation = new File(fileName);        }        else        {            item.byteStream = new ByteArrayOutputStream();        }        return item;    }