/** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ public void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("application/json"); response.setCharacterEncoding("UTF-8"); request.setCharacterEncoding("UTF-8"); PrintWriter out = response.getWriter(); try { SubjectDAO subdao = new SubjectDAO(); DatastreamDAO dstreamDao = new DatastreamDAO(); List<JsonSubject> jsubList = new ArrayList<JsonSubject>(); List<Subject> subList = new ArrayList<Subject>(); String loginID = "leoncool"; if (request.getParameter(AllConstants.api_entryPoints.request_api_loginid) != null) { loginID = request.getParameter(AllConstants.api_entryPoints.request_api_loginid); } UserDAO userDao = new UserDAO(); if (!userDao.existLogin(loginID)) { ReturnParser.outputErrorException( response, AllConstants.ErrorDictionary.Unauthorized_Access, null, null); return; } if (request.getParameter(AllConstants.api_entryPoints.request_api_onlyParentSubjects) != null && request .getParameter(AllConstants.api_entryPoints.request_api_onlyParentSubjects) .equalsIgnoreCase(AllConstants.api_entryPoints.request_api_true)) { subList = subdao.findOnlyParentSubjectsByLoginID(loginID); } else { subList = subdao.findSubjectsByLoginID(loginID); } DBtoJsonUtil dbtoJUtil = new DBtoJsonUtil(); for (Subject sub : subList) { if (sub.getVisibleSet() != null && sub.getVisibleSet().equalsIgnoreCase(AllConstants.ProgramConts.visibleSet_PUBLIC)) { jsubList.add(dbtoJUtil.convert_a_Subject(sub)); } } System.out.println(jsubList.size()); Gson gson = new Gson(); JsonElement je = gson.toJsonTree(jsubList); JsonObject jo = new JsonObject(); jo.addProperty(AllConstants.ProgramConts.result, AllConstants.ProgramConts.succeed); jo.add("subject_list", je); JsonWriter jwriter = new JsonWriter(response.getWriter()); // if (request.getParameter("callback") != null) { // System.out.println("using callback"); // out.print(request.getParameter("callback")+"("+ gson.toJson(jo) + ");"); // } else { // gson.toJson(jo, jwriter); // jwriter.close(); // } gson.toJson(jo, jwriter); jwriter.close(); } catch (Exception ex) { ex.printStackTrace(); } finally { out.close(); } }
/** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ public void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("application/json"); response.setCharacterEncoding("UTF-8"); request.setCharacterEncoding("UTF-8"); PrintWriter out = response.getWriter(); try { SubjectDAO subdao = new SubjectDAO(); DatastreamDAO dstreamDao = new DatastreamDAO(); List<JsonSubject> jsubList = new ArrayList<JsonSubject>(); List<Subject> subList = subdao.findSubjectsByLoginID("leoncool"); for (Subject sub : subList) { DBtoJsonUtil dbtoJUtil = new DBtoJsonUtil(); // jsubList.add(dbtoJUtil.convertSubject(sub)); } System.out.println(jsubList.size()); Gson gson = new Gson(); out.println(gson.toJson(jsubList)); } catch (Exception ex) { ex.printStackTrace(); } finally { out.close(); } }