protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // declare rpc objects JSONRPC2Request req = null; JSONRPC2Response resp = null; try { /* * Had to change this, since after switching to the JS json-rpc lib * the request has no params ("json=" in our case) and the whole payload is the request data itself */ StringBuffer jb = new StringBuffer(); String line = null; // Getting the request reader in order to load the whole request date into a single string BufferedReader reader = request.getReader(); while ((line = reader.readLine()) != null) jb.append(line); // populate rpc objects req = JSONRPC2Request.parse(jb.toString()); resp = new JSONRPC2Response(req.getID()); // define jsonResult JSONObject jsonResult = new JSONObject(); // retrieve request information String method = req.getMethod(); System.out.println(req.getMethod()); // find the requested method if (method.equals("login")) { // login user jsonResult = loginUser(request, response, req); System.out.println("json result: " + jsonResult.toString()); // resp.setResult(jsonResult.toJSONString()); resp.setResult(jsonResult); } else if (method.equals("register")) { // register user // TODO duplicates! jsonResult = registerUser(req, resp); System.out.println("json result to string: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (isLoggedIn(request)) { if (method.equals("logout")) { // logout user jsonResult = logoutUser(request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("loadAllQuestions")) { // return all questions as QuestionsList QuestionsList questions = QuestionController.loadAllQuestions(); if (questions != null) { JSONObject jsonQuestions = new JSONObject(); JSONArray allQuestions = questions.toJSONArray(); jsonQuestions.put("allQuestions", allQuestions); System.out.println("jsonQuestions: " + jsonQuestions.toString()); resp.setResult(jsonQuestions); } else { resp.setError(JSONRPC2Error.INTERNAL_ERROR); } } else if (method.equals("loadQuestion")) { jsonResult = loadQuestion(req, request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("addQuestion")) { // add question jsonResult = addQuestion(req, request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("deleteQuestion")) { // delete question jsonResult = deleteQuestion(req, request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("udpateQuestion")) { // update question jsonResult = updateQuestion(req, request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("loadTestAndAllQuestions")) { // return the test and all questions from the database jsonResult = loadTestAndAllQuestions(req, request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("loadAllTests")) { // return all questions as QuestionsList TestsList tests = TestController.loadAllTests(); if (tests != null) { JSONObject jsonTests = new JSONObject(); JSONArray allTests = tests.toJSONArray(); jsonTests.put("allTests", allTests); System.out.println("jsonTests: " + jsonTests.toString()); resp.setResult(jsonTests); } else { resp.setError(JSONRPC2Error.INTERNAL_ERROR); } } else if (method.equals("loadQuestionsByTest")) { JSONArray testQuestions = new JSONArray(); testQuestions = loadQuestionsByTest(req, request); jsonResult.put("testQuestions", testQuestions); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("addTest")) { // add question jsonResult = addTest(req, request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("deleteTest")) { // delete question jsonResult = deleteTest(req, request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("updateTest")) { // update question jsonResult = updateTest(req, request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("addTestQuestion")) { // bind question to test jsonResult = addTestQuestion(req, request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("removeTestQuestion")) { // delete question from test jsonResult = removeTestQuestion(req, request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } else if (method.equals("checkTest")) { // check if test is asnwered correctly jsonResult = checkTest(req, request); System.out.println("json result: " + jsonResult.toString()); resp.setResult(jsonResult); } /* JSONObject json = new JSONObject(); json.put("hi", "opa"); resp.setResult(json.toJSONString()); */ } } catch (Throwable t) { JSONRPC2Error error = new JSONRPC2Error(1, t.getMessage()); resp.setError(error); } finally { // dispatch result response.getWriter().print(resp.toJSONObject().toJSONString()); System.out.println("final result: " + resp.toJSONObject().toJSONString()); } }