| @Override | protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { | try { | | String configId = req.getParameter("id"); | | EntityManagerFactory factory = (EntityManagerFactory)Naming.getInitialContext().lookup("java:/EntityManagerFactory"); | EntityManager em = factory.createEntityManager(); | Config config = (Config)em.find(Config.class, new Long(configId)); | | resp.setContentType(config.getFileType()); | | resp.getOutputStream().write(config.getFileData()); | } | catch(Exception e){e.printStackTrace();} | } |
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