private void print(HttpServletRequest request, HttpServletResponse response) throws IOException, ParseException { String confName = request.getParameter(ProjConst.CONF_NAME); String userId = request.getParameter(ProjConst.USER_ID); User user = UserDao.getInstance().getUserById(Long.parseLong(userId)); Conference conference = ConferenceDao.getInstance().getConferenceByName(confName); JsonObject jsonObject = new JsonObject(); String resultSuccess; String message; try { String[] header = new String[] {" " + conference.getName()}; String[] stringToPrint = new String[3]; Date today = new Date(); SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy"); stringToPrint[0] = "Date: " + sdf.format(today); stringToPrint[1] = "My Name: " + user.getName(); stringToPrint[2] = "My Company: " + user.getCompany().getName(); TextPrinter tp = new TextPrinter(); tp.doPrint(header, stringToPrint, true); resultSuccess = "true"; message = "Participant tag is printing"; } catch (Exception e) { resultSuccess = "false"; message = e.getMessage(); } response.setContentType("application/json;charset=UTF-8"); PrintWriter out = response.getWriter(); try { Gson gson = new Gson(); String json; jsonObject.addProperty("resultSuccess", resultSuccess); jsonObject.addProperty("message", message); json = gson.toJson(jsonObject); out.write(json); out.flush(); } finally { out.close(); } }
private void getConferences(HttpServletRequest request, HttpServletResponse response) throws IOException, ParseException { String userId = request.getParameter(ProjConst.USER_ID); String filter = request.getParameter("filter"); User user = UserDao.getInstance().getUserById(Long.parseLong(userId)); // JsonObject jsonObject = new JsonObject(); // String resultSuccess; // String message; List<String> confList = new LinkedList<String>(); try { List<Conference> conferences = ConferencesUsersDao.getInstance().getScopedConferenceByDate(user, filter); for (Conference conf : conferences) { confList.add(conf.getName()); } // message = "Conference successfully added"; // resultSuccess = "true"; } catch (Exception e) { // message = "Found problem while adding conference"; // resultSuccess = "false"; } response.setContentType("application/json;charset=UTF-8"); PrintWriter out = response.getWriter(); try { Gson gson = new Gson(); String json; json = gson.toJson(confList); out.write(json); out.flush(); } finally { out.close(); } }
private void removeUser(HttpServletRequest request, HttpServletResponse response) throws IOException, ParseException { String confName = request.getParameter(ProjConst.CONF_NAME); String userId = request.getParameter(ProjConst.USER_ID); User user = UserDao.getInstance().getUserById(Long.parseLong(userId)); Conference conference = ConferenceDao.getInstance().getConferenceByName(confName); JsonObject jsonObject = new JsonObject(); String resultSuccess; String message; try { // ConferencesUsersDao.getInstance().removeUserFromConference(conference, user); ConferencesParticipantsDao.getInstance().removeUserArrivalFromConference(conference, user); resultSuccess = "true"; message = "User " + user.getName() + " removed from arrival list to conference " + conference.getName(); } catch (Exception e) { resultSuccess = "false"; message = "Failed to update user arrival"; } response.setContentType("application/json;charset=UTF-8"); PrintWriter out = response.getWriter(); try { Gson gson = new Gson(); String json; jsonObject.addProperty("resultSuccess", resultSuccess); jsonObject.addProperty("message", message); json = gson.toJson(jsonObject); out.write(json); out.flush(); } finally { out.close(); } }