List of usage examples for com.google.gson JsonElement getAsJsonObject
public JsonObject getAsJsonObject()
From source file:com.bing.maps.rest.services.impl.BaseBingMapsApiQuery.java
License:Apache License
@Override public List<T> list() { InputStream jsonContent = null; try {/*w ww . j ava 2s .co m*/ jsonContent = callApiGet(apiUrlBuilder.buildUrl()); JsonElement response = parser.parse(new InputStreamReader(jsonContent, UTF_8_CHAR_SET)); if (response.isJsonObject()) { List<T> responseList = unmarshallList(response.getAsJsonObject()); notifyObservers(responseList); return responseList; } throw new BingMapsException("Unknown content found in response:" + response.toString()); } catch (Exception e) { throw new BingMapsException(e); } finally { closeStream(jsonContent); } }
From source file:com.bios.controller.services.BidStatusService.java
/** * Handles the HTTP <code>GET</code> method to determine whether currently * placed bids will be successful at the end of the round. A json object * that contains the live bidding data relating to the bid will be created. * * @param request servlet request/*from w w w . jav a 2 s .c om*/ * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs * */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ConnectionManager manager = new ConnectionManager(); String requestObject = request.getParameter("r"); String token = request.getParameter("token"); ArrayList<String> errorList = new ArrayList<String>(); JsonObject responseObject = new JsonObject(); JsonArray allErrors = new JsonArray(); if (requestObject == null) { errorList.add("missing r"); } else if (requestObject.length() == 0) { errorList.add("blank r"); } if (token == null) { errorList.add("missing token"); } else if (token.length() == 0) { errorList.add("blank token"); } else { try { String result = JWTUtility.verify(token, "abcdefgh12345678"); if (!result.equals("admin")) { errorList.add("invalid token"); } } catch (JWTException e) { // do we need this? // This means not an admin, or token expired errorList.add("invalid username/token"); } } JsonElement jelementRequest = new JsonParser().parse(requestObject); JsonObject json = jelementRequest.getAsJsonObject(); JsonElement crse = json.get("course"); JsonElement sec = json.get("section"); if (crse == null) { errorList.add("missing course"); } else if (crse.getAsString().length() == 0) { errorList.add("blank course"); } if (sec == null) { errorList.add("missing section"); } else if (sec.getAsString().length() == 0) { errorList.add("blank section"); } if (errorList.size() > 0) { errorList.sort(new ErrorMsgComparator()); for (String s : errorList) { allErrors.add(new JsonPrimitive(s)); } responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); return; } String courseID = crse.getAsString(); String sectionID = sec.getAsString(); int round = manager.getBiddingRound(); String status = manager.getBiddingRoundStatus(); // Section that user has selected Section section = SectionDAO.getInstance().findSection(courseID, sectionID); Course course = CourseDAO.getInstance().findCourse(courseID); if (course == null) { allErrors.add(new JsonPrimitive("invalid course")); } else if (course != null && section == null) { allErrors.add(new JsonPrimitive("invalid section")); } if (allErrors.size() > 0) { responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); return; } // How many students have already been enrolled in the section successfully ArrayList<SectionStudent> sectionStudentList = SectionStudentDAO.getInstance() .getSectionStudentListWithID(courseID, sectionID); // Size of the class minus the already enrolled number, which essentially means vacancy int vacancy = section.getSize() - sectionStudentList.size(); // Minimum bid value that has to be shown to user, default is 10 double minBidValue = 10; // This lists the bids that are still pending approval in round 2, and contains the bids // that user has selected, and these bids are sorted from highest to lowest ArrayList<Bid> allBids = BidDAO.getInstance().getPendingBidsWithID(courseID, sectionID); // ArrayList<Bid> allBids= null; // if (round == 1 && status.equals("started")){ // allBids = BidDAO.getInstance().getBidList(); // } else if (status.equals("stopped") && round == 1){ // allBids = RoundOneBidDAO.getInstance().getBidList(); // } else if(round == 2 && status.equals("started")){ // allBids = BidDAO.getInstance().getPendingBids(); // } else{ // allBids = RoundTwoBidDAO.getInstance().getBidList(); // } allBids.sort(new BidComparator()); // This JsonObject is to be used as the reponse to the user JsonObject object = new JsonObject(); object.addProperty("status", "success"); DecimalFormat df = new DecimalFormat("0.00"); JsonArray arrayOfBids = new JsonArray(); if (round == 1 && status.equals("started")) { object.addProperty("vacancy", section.getSize()); if (section.getSize() > allBids.size() && allBids.size() > 0) { minBidValue = allBids.get(allBids.size() - 1).getAmount(); } else if (allBids.size() >= section.getSize()) { minBidValue = allBids.get(section.getSize() - 1).getAmount(); } object.addProperty("min-bid-amount", minBidValue); for (Bid bid : allBids) { JsonObject innerObject = new JsonObject(); Student stud = StudentDAO.getInstance().retrieve(bid.getUserID()); innerObject.add("userid", new JsonPrimitive(bid.getUserID())); innerObject.add("amount", new JsonPrimitive(bid.getAmount())); String result = df.format(stud.geteDollar()); double eDollar = Double.parseDouble(result); innerObject.add("balance", new JsonPrimitive(eDollar)); innerObject.add("status", new JsonPrimitive("pending")); arrayOfBids.add(innerObject); } } else if (round == 1 && status.equals("stopped")) { object.addProperty("vacancy", section.getSize() - BidDAO.getInstance().getSuccessfulBidsWithID(courseID, sectionID).size()); allBids = BidDAO.getInstance().getBids(courseID, sectionID); if (allBids.size() >= vacancy && vacancy != 0) { // should this be >=? wha if vacancy==0? minBidValue = allBids.get(vacancy - 1).getAmount(); } else if (allBids.size() < vacancy && allBids.size() > 0) { minBidValue = allBids.get(allBids.size() - 1).getAmount(); } object.addProperty("min-bid-amount", minBidValue); allBids = BidDAO.getInstance().getBids(courseID, sectionID); for (Bid bid : allBids) { JsonObject innerObject = new JsonObject(); Student stud = StudentDAO.getInstance().retrieve(bid.getUserID()); innerObject.add("userid", new JsonPrimitive(bid.getUserID())); innerObject.add("amount", new JsonPrimitive(bid.getAmount())); String result = df.format(stud.geteDollar()); double eDollar = Double.parseDouble(result); innerObject.add("balance", new JsonPrimitive(eDollar)); innerObject.add("status", new JsonPrimitive(bid.getStatus())); arrayOfBids.add(innerObject); } } else if (round == 2 && status.equals("started")) { object.addProperty("vacancy", vacancy); // This is to re-compute the minimum bid value // if (allBids.size() >= vacancy && vacancy != 0) { // should this be >=? wha if vacancy==0? // minBidValue = allBids.get(vacancy - 1).getAmount() + 1; // } // This allows us to store the minimum bids, and also to persist the bids such that it stores the min bid amount if (MinBidDAO.getInstance().updateMinBid(courseID + "-" + sectionID, minBidValue)) { // Bid was updated successfully object.addProperty("min-bid-amount", minBidValue); } else { object.addProperty("min-bid-amount", MinBidDAO.getInstance().getValue(courseID + "-" + sectionID)); } for (int i = 0; i < allBids.size(); i++) { Bid bid = allBids.get(i); JsonObject innerObject = new JsonObject(); Student stud = StudentDAO.getInstance().retrieve(bid.getUserID()); innerObject.add("userid", new JsonPrimitive(bid.getUserID())); innerObject.add("amount", new JsonPrimitive(bid.getAmount())); String result = df.format(stud.geteDollar()); double eDollar = Double.parseDouble(result); innerObject.add("balance", new JsonPrimitive(eDollar)); // If there are vacancies still if (vacancy >= allBids.size()) { innerObject.add("status", new JsonPrimitive("success")); } else if (allBids.size() > vacancy) { // If this bid is still within the vacancy requirements if (i <= vacancy) { Bid firstFailedBid = allBids.get(vacancy); if (bid.getAmount() == firstFailedBid.getAmount()) { innerObject.add("status", new JsonPrimitive("fail")); } else { innerObject.add("status", new JsonPrimitive("success")); } } else if (i > vacancy) { //what if vacancy+1's bid amout innerObject.add("status", new JsonPrimitive("fail")); } } arrayOfBids.add(innerObject); } } else { object.addProperty("vacancy", section.getSize() - BidDAO.getInstance().getSuccessfulBidsWithID(courseID, sectionID).size()); allBids = BidDAO.getInstance().getSuccessfulBidsWithID(courseID, sectionID); allBids.sort(new BidComparator()); minBidValue = allBids.get(allBids.size() - 1).getAmount(); object.addProperty("min-bid-amount", minBidValue); for (Bid bid : allBids) { JsonObject innerObject = new JsonObject(); Student stud = StudentDAO.getInstance().retrieve(bid.getUserID()); innerObject.add("userid", new JsonPrimitive(bid.getUserID())); innerObject.add("amount", new JsonPrimitive(bid.getAmount())); String result = df.format(stud.geteDollar()); double eDollar = Double.parseDouble(result); innerObject.add("balance", new JsonPrimitive(eDollar)); innerObject.add("status", new JsonPrimitive(bid.getStatus())); arrayOfBids.add(innerObject); } } object.add("students", arrayOfBids); response.setContentType("application/json"); response.getWriter().write(object.toString()); }
From source file:com.bios.controller.services.DeleteBidService.java
/** * Handles the HTTP <code>GET</code> method and deletes the bid. It retrieves the userID, courseID, section ID, and amount bidded to verify the bid. * Upon verification, the bid will be deleted from bidDAO and database. Upon successful deletion, a json object is created with the * status "success". If the bid deletion is unsuccessful, a json object with the status "error" is created together with a * json array of the errors that caused the unsuccessful deletion. * * @param request servlet request/*from www.j a va 2 s . c o m*/ * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ConnectionManager manager = new ConnectionManager(); String requestObject = request.getParameter("r"); String token = request.getParameter("token"); ArrayList<String> errorList = new ArrayList<String>(); JsonObject responseObject = new JsonObject(); JsonArray allErrors = new JsonArray(); if (requestObject == null) { errorList.add("missing r"); } else if (requestObject.length() == 0) { errorList.add("blank r"); } if (token == null) { errorList.add("missing token"); } else if (token.length() == 0) { errorList.add("blank token"); } else { try { String result = JWTUtility.verify(token, "abcdefgh12345678"); if (!result.equals("admin")) { errorList.add("invalid token"); } } catch (JWTException e) { // do we need this? // This means not an admin, or token expired errorList.add("invalid username/token"); } } JsonElement jelementRequest = new JsonParser().parse(requestObject); JsonObject json = jelementRequest.getAsJsonObject(); JsonElement crse = json.get("course"); JsonElement sec = json.get("section"); JsonElement user = json.get("userid"); if (crse == null) { errorList.add("missing course"); } else if (crse.getAsString().length() == 0) { errorList.add("blank course"); } if (sec == null) { errorList.add("missing section"); } else if (sec.getAsString().length() == 0) { errorList.add("blank section"); } if (user == null) { errorList.add("missing userid"); } else if (user.getAsString().length() == 0) { errorList.add("blank userid"); } if (errorList.size() > 0) { errorList.sort(new ErrorMsgComparator()); for (String s : errorList) { allErrors.add(new JsonPrimitive(s)); } responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); return; } String courseID = crse.getAsString(); String sectionID = sec.getAsString(); String userID = user.getAsString(); BidDAO bidDAO = BidDAO.getInstance(); CourseDAO courseDAO = CourseDAO.getInstance(); SectionDAO sectionDAO = SectionDAO.getInstance(); StudentDAO studentDAO = StudentDAO.getInstance(); String roundStatus = manager.getBiddingRoundStatus(); Bid bid = bidDAO.getBid(userID, courseID, sectionID); if (roundStatus.equals("stopped") || !bidDAO.deleteBid(userID, courseID, sectionID)) { responseObject.addProperty("status", "error"); if (courseDAO.findCourse(courseID) == null) { allErrors.add(new JsonPrimitive("invalid course")); } if (sectionDAO.findSection(courseID, sectionID) == null) { allErrors.add(new JsonPrimitive("invalid section")); } if (studentDAO.findStudent(userID) == null) { allErrors.add(new JsonPrimitive("invalid userid")); } if (roundStatus.equals("stopped")) { allErrors.add(new JsonPrimitive("round ended")); } if (roundStatus.equals("started") && allErrors.size() == 0) { allErrors.add(new JsonPrimitive("no such bid")); } responseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); return; } else { // no errors detected in the deletion of bids MinBidDAO.getInstance().getMinBidList().remove(courseID + "-" + sectionID); MinBidDAO.getInstance().refresh(); responseObject.addProperty("status", "success"); Student stud = studentDAO.retrieve(userID); stud.seteDollar(stud.geteDollar() + bid.getAmount()); manager.refundEDollar(userID, bid.getAmount()); bidDAO.deleteBidFromDB(userID, courseID, sectionID); } response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); }
From source file:com.bios.controller.services.DropSectionService.java
/** * Handles the HTTP <code>GET</code> method by allowing the administrator to drop a user's * enrollment in a section. This web service requires a valid token userid, course and section, * and a bid of the student, that was successful. The bid can only be dropped if the round 2 is active. * If succesful, a json object with the status "success" will be created. Otherwise, this method creates a * json object with the status "error" and with a json array of the errors that caused the unsuccessful * dropping of the section.//from w w w . j av a 2 s . com * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ConnectionManager manager = new ConnectionManager(); String requestObject = request.getParameter("r"); String token = request.getParameter("token"); ArrayList<String> errorList = new ArrayList<String>(); JsonObject responseObject = new JsonObject(); JsonArray allErrors = new JsonArray(); if (requestObject == null) { errorList.add("missing r"); } else if (requestObject.length() == 0) { errorList.add("blank r"); } if (token == null) { errorList.add("missing token"); } else if (token.length() == 0) { errorList.add("blank token"); } else { try { String result = JWTUtility.verify(token, "abcdefgh12345678"); if (!result.equals("admin")) { errorList.add("invalid token"); } } catch (JWTException e) { // do we need this? // This means not an admin, or token expired errorList.add("invalid username/token"); } } JsonElement jelementRequest = new JsonParser().parse(requestObject); JsonObject json = jelementRequest.getAsJsonObject(); JsonElement crse = json.get("course"); JsonElement sec = json.get("section"); JsonElement user = json.get("userid"); if (crse == null) { errorList.add("missing course"); } else if (crse.getAsString().length() == 0) { errorList.add("blank course"); } if (sec == null) { errorList.add("missing section"); } else if (sec.getAsString().length() == 0) { errorList.add("blank section"); } if (user == null) { errorList.add("missing userid"); } else if (user.getAsString().length() == 0) { errorList.add("blank userid"); } if (errorList.size() > 0) { errorList.sort(new ErrorMsgComparator()); for (String s : errorList) { allErrors.add(new JsonPrimitive(s)); } responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); return; } Student stud = StudentDAO.getInstance().retrieve(user.getAsString()); Course c = CourseDAO.getInstance().findCourse(crse.getAsString()); SectionStudent toBeDropped = SectionStudentDAO.getInstance().findSectionStudent(crse.getAsString(), sec.getAsString(), user.getAsString()); Section s = SectionDAO.getInstance().findSection(crse.getAsString(), sec.getAsString()); if (c == null) { allErrors.add(new JsonPrimitive("invalid course")); } else if (s == null) { allErrors.add(new JsonPrimitive("invalid section")); } if (stud == null) { allErrors.add(new JsonPrimitive("invalid userid")); } if (manager.getBiddingRound() == 2 && manager.getBiddingRoundStatus().equals("started")) { if (user != null) { if (toBeDropped != null) { double currAmount = stud.geteDollar(); double amountFromDropping = toBeDropped.getAmount(); double finalAmount = currAmount + amountFromDropping; manager.setEDollar(user.getAsString(), finalAmount); String userid = user.getAsString(); String courseID = crse.getAsString(); String sectionID = sec.getAsString(); SectionStudentDAO.getInstance().deleteStudentSection(userid, amountFromDropping, courseID, sectionID); SectionStudentDAO.getInstance().deleteStudentSectionFromDB(userid, amountFromDropping, courseID, sectionID); BidDAO.getInstance().deleteBid(userid, courseID, sectionID); BidDAO.getInstance().deleteBidFromDB(userid, courseID, sectionID); responseObject.addProperty("status", "success"); } else { JsonPrimitive value = new JsonPrimitive("no such enrollment record"); allErrors.add(value); responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); } } } else { //round not active JsonPrimitive value = new JsonPrimitive("round not active"); allErrors.add(value); responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); } response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); }
From source file:com.bios.controller.services.DumpBidService.java
/** * Handles the HTTP <code>GET</code> method which utilises a courseid and sectionid and a token of an administrator. After the courseid and * secitonid and token of the administrator is passed in, the method first verifies that the token is valid. If the token is valid, the * method checks the respective DAOs and retrieves the respective information of the bids placed and places it in the json object. If an * error occurs, such as a missing input, a json object is created with the status "error" with the error message respective to the error that * caused the unsuccessful dump./*w ww .jav a 2s . c o m*/ * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ConnectionManager manager = new ConnectionManager(); String requestObject = request.getParameter("r"); String token = request.getParameter("token"); ArrayList<String> errorList = new ArrayList<String>(); JsonObject responseObject = new JsonObject(); JsonArray allErrors = new JsonArray(); if (requestObject == null) { errorList.add("missing r"); } else if (requestObject.length() == 0) { errorList.add("blank r"); } if (token == null) { errorList.add("missing token"); } else if (token.length() == 0) { errorList.add("blank token"); } else { try { String result = JWTUtility.verify(token, "abcdefgh12345678"); if (!result.equals("admin")) { errorList.add("invalid token"); } } catch (JWTException e) { // do we need this? // This means not an admin, or token expired errorList.add("invalid username/token"); } } JsonArray allBids = new JsonArray(); JsonElement jelementRequest = new JsonParser().parse(requestObject); JsonObject json = jelementRequest.getAsJsonObject(); JsonElement course = json.get("course"); JsonElement section = json.get("section"); if (course == null) { errorList.add("missing course"); } else if (course.getAsString().length() == 0) { errorList.add("blank course"); } if (section == null) { errorList.add("missing section"); } else if (section.getAsString().length() == 0) { errorList.add("blank section"); } if (errorList.size() > 0) { errorList.sort(new ErrorMsgComparator()); for (String s : errorList) { allErrors.add(new JsonPrimitive(s)); } responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); return; } ArrayList<Section> sectionList = SectionDAO.getInstance().getSectionList(); Section s = SectionDAO.getInstance().findSection(course.getAsString(), section.getAsString()); Course c = CourseDAO.getInstance().findCourse(course.getAsString()); if (c == null) { JsonPrimitive value = new JsonPrimitive("invalid course"); allErrors.add(value); responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); } else if (c != null && s == null) { JsonPrimitive value = new JsonPrimitive("invalid course"); allErrors.add(value); responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); } int round = manager.getBiddingRound(); String status = manager.getBiddingRoundStatus(); // // //round active: status is '-' // if (c != null && s != null && status.equals("started")) { // responseObject.addProperty("status", "success"); // BidDAO bidDAO = BidDAO.getInstance(); // ArrayList<Bid> successBids = bidDAO.getSuccessfulBidsWithID(c.getCourseID(), s.getSectionID()); // Collections.sort(successBids, new BidComparator()); // //arrange the names in ascending order - undone // if (successBids.size() == 0) { // System.out.println("PENDING:" + successBids.size()); // } // for (int i = 0; i < successBids.size(); i++) { // Bid currBid = successBids.get(i); // System.out.println("Bid: " + currBid.getStatus()); // JsonObject obj = new JsonObject(); // obj.add("row", new JsonPrimitive((i + 1))); // obj.add("userid", new JsonPrimitive(currBid.getUserID())); // obj.add("amount", new JsonPrimitive(currBid.getAmount())); // obj.add("result", new JsonPrimitive("-")); // // allActiveBids.add(obj); // } // // responseObject.add("bids", allActiveBids); // // } else if (c != null && s != null && status.equals("stopped")) {//notactive: status is successful/unsuccessful; bids should be in an array // responseObject.addProperty("status", "success"); // ArrayList<Bid> allBids = BidDAO.getInstance().getBids(c.getCourseID(), s.getSectionID()); // allBids.sort(new BidComparator()); // // for (int i = 0; i < allBids.size(); i++) { // Bid bid = allBids.get(i); // // JsonObject obj = new JsonObject(); // // obj.add("row", new JsonPrimitive((i + 1))); // obj.add("userid", new JsonPrimitive(bid.getUserID())); // obj.add("amount", new JsonPrimitive(bid.getAmount())); // if (bid.getStatus().equals("success")) { // obj.add("result", new JsonPrimitive("in")); // } else { // obj.add("result", new JsonPrimitive("out")); // } // allInactiveBids.add(obj); // } // // responseObject.add("bids", allInactiveBids); // } ArrayList<Bid> bidList = null; if (round == 1 && status.equals("started")) { bidList = BidDAO.getInstance().getBidList(); } else if (status.equals("stopped") && round == 1) { bidList = RoundOneBidDAO.getInstance().getBidList(); } else if (round == 2 && status.equals("started")) { bidList = BidDAO.getInstance().getPendingBids(); } else { bidList = RoundTwoBidDAO.getInstance().getBidList(); } bidList.sort(new BidComparator()); System.out.println("BIDLIST: " + bidList.size()); int count = 1; for (int i = 0; i < bidList.size(); i++) { Bid bid = bidList.get(i); if (bid.getCourseID().equals(course.getAsString()) && bid.getSectionID().equals(section.getAsString())) { JsonObject obj = new JsonObject(); obj.add("row", new JsonPrimitive(count)); obj.add("userid", new JsonPrimitive(bid.getUserID())); obj.add("amount", new JsonPrimitive(bid.getAmount())); if (bid.getStatus().equals("pending")) { obj.add("result", new JsonPrimitive("-")); } else if (bid.getStatus().equals("success")) { obj.add("result", new JsonPrimitive("in")); } else { obj.add("result", new JsonPrimitive("out")); } allBids.add(obj); count++; } } responseObject.addProperty("status", "success"); responseObject.add("bids", allBids); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); }
From source file:com.bios.controller.services.DumpSectionService.java
/** * Handles the HTTP <code>GET</code> method which uses the courseid, a sectionid and token of an administrator. After the * courseid, sectionid and token of the administrator is obtained, the method first verifies that the token is valid and present in the session * object. Subsequently, if the token is valid, the method checks the respective DAOs and retrieves the respective information of the bids of * that particular courses section and places it in a json object. If an error occurs, such as a missing input, a json object will be created * with the status "error" and will reflect the errors in a json array within the object. * @param request servlet request//w ww . j a v a 2s . c o m * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ConnectionManager manager = new ConnectionManager(); String requestObject = request.getParameter("r"); String token = request.getParameter("token"); ArrayList<String> errorList = new ArrayList<String>(); JsonObject responseObject = new JsonObject(); JsonArray allErrors = new JsonArray(); if (requestObject == null) { errorList.add("missing r"); } else if (requestObject.length() == 0) { errorList.add("blank r"); } if (token == null) { errorList.add("missing token"); } else if (token.length() == 0) { errorList.add("blank token"); } else { try { String result = JWTUtility.verify(token, "abcdefgh12345678"); if (!result.equals("admin")) { errorList.add("invalid token"); } } catch (JWTException e) { // do we need this? // This means not an admin, or token expired errorList.add("invalid username/token"); } } JsonElement jelementRequest = new JsonParser().parse(requestObject); JsonObject json = jelementRequest.getAsJsonObject(); JsonElement crse = json.get("course"); JsonElement sec = json.get("section"); if (crse == null) { errorList.add("missing course"); } else if (crse.getAsString().length() == 0) { errorList.add("blank course"); } if (sec == null) { errorList.add("missing section"); } else if (sec.getAsString().length() == 0) { errorList.add("blank section"); } if (errorList.size() > 0) { errorList.sort(new ErrorMsgComparator()); for (String s : errorList) { allErrors.add(new JsonPrimitive(s)); } responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); return; } String courseID = crse.getAsString(); String sectionID = sec.getAsString(); int round = manager.getBiddingRound(); String status = manager.getBiddingRoundStatus(); // Will now check to see if there are any errors here Course course = CourseDAO.getInstance().findCourse(crse.getAsString()); Section section = null; if (course == null) { allErrors.add(new JsonPrimitive("invalid course")); } else { section = SectionDAO.getInstance().findSection(course.getCourseID(), sec.getAsString()); if (section == null) { allErrors.add(new JsonPrimitive("invalid section")); } } if (allErrors.size() != 0) { responseObject.add("status", new JsonPrimitive("error")); responseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); return; } JsonArray allResults = new JsonArray(); ArrayList<SectionStudent> allSecStudList = SectionStudentDAO.getInstance() .getSectionStudentListWithID(crse.getAsString(), sec.getAsString()); ArrayList<SectionStudent> secStudList = new ArrayList<>(); for (SectionStudent secStud : allSecStudList) { if (secStud.getCourseID().equals(courseID) && secStud.getSectionID().equals(sectionID)) { secStudList.add(secStud); } // String cID = secStud.getCourseID(); // String sID = secStud.getSectionID(); // // ArrayList<Bid> halfBids = new ArrayList<>(); // if (round == 1 || round == 2 && status.equals("started")) { // halfBids = BidDAO.getInstance().getSuccessfulBidsWithID(cID, sID); // } else if (round == 2 && status.equals("stopped")) { // halfBids = BidDAO.getInstance().getBids(sID, sID); // } // allBids.addAll(halfBids); } secStudList.sort(new SectionStudentComparator()); for (SectionStudent secStud : secStudList) { JsonObject obj = new JsonObject(); obj.addProperty("userid", secStud.getUserID()); obj.addProperty("amount", secStud.getAmount()); allResults.add(obj); } // // After we sort all the bids, then we shall add them to be responded to // allBids.sort(new BidUserComparator()); // for (Bid bid : allBids) { // JsonObject obj = new JsonObject(); // obj.add("userid", new JsonPrimitive(bid.getUserID())); // obj.add("amount", new JsonPrimitive(bid.getAmount())); // allResults.add(obj); // } responseObject.add("status", new JsonPrimitive("success")); responseObject.add("students", allResults); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); }
From source file:com.bios.controller.services.DumpUserService.java
/** * Handles the HTTP <code>GET</code> method which takes in the userid of a * user and a token of an administrator. After the userid of the student and * token of the administrator is passed in, the method first verifies that * the token is valid. If the token is invalid, a json object is created * with the status "error" and an error message "invalid username/token". * Subsequently, if the token is valid, the method checks the respective * DAOs and retrieves the respective information of the user and places it * in the json object. If an error occurs, such as a missing input, the json * object will also reflect the error without displaying the user's * information./*from ww w . j a v a 2s .co m*/ * @param request servlet requesty * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ConnectionManager manager = new ConnectionManager(); String requestObject = request.getParameter("r"); String token = request.getParameter("token"); ArrayList<String> errorList = new ArrayList<String>(); JsonObject responseObject = new JsonObject(); JsonArray allErrors = new JsonArray(); if (requestObject == null) { errorList.add("missing r"); } else if (requestObject.length() == 0) { errorList.add("blank r"); } if (token == null) { errorList.add("missing token"); } else if (token.length() == 0) { errorList.add("blank token"); } else { try { String result = JWTUtility.verify(token, "abcdefgh12345678"); if (!result.equals("admin")) { errorList.add("invalid token"); } } catch (JWTException e) { // do we need this? // This means not an admin, or token expired errorList.add("invalid username/token"); } } JsonElement jelementRequest = new JsonParser().parse(requestObject); JsonObject json = jelementRequest.getAsJsonObject(); JsonElement userID = json.get("userid"); if (userID == null) { errorList.add("missing userid"); } else if (userID.getAsString().length() == 0) { errorList.add("blank userid"); } if (errorList.size() > 0) { errorList.sort(new ErrorMsgComparator()); for (String s : errorList) { allErrors.add(new JsonPrimitive(s)); } responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); return; } Student s = StudentDAO.getInstance().retrieve(userID.getAsString()); if (s == null) { allErrors.add(new JsonPrimitive("invalid userid")); responseObject.addProperty("status", "error"); responseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); return; } else { responseObject.addProperty("status", "success"); responseObject.addProperty("userid", s.getId()); responseObject.addProperty("password", s.getPassword()); responseObject.addProperty("name", s.getNameOfUser()); responseObject.addProperty("school", s.getSchool()); DecimalFormat df = new DecimalFormat("0.00"); String result = df.format(s.geteDollar()); double eDollar = Double.parseDouble(result); responseObject.addProperty("edollar", eDollar); } response.setContentType("application/json"); response.getWriter().write(responseObject.toString()); return; }
From source file:com.bios.controller.services.UpdateBidService.java
/** * Handles the HTTP <code>GET</code> method which updates a bid. Firstly, the token * is checked for its validity. If the token is valid, the method then goes into the * respective DAOs to look for the bid. If the bid is valid and can be deleted, the * bid is then deleted from the DAO and the database. Subsequentyly, a json object * with the status "success" will be created. If any errors occur such as an * invalid course or missing token is detected, a json object with the status "error" * will be created with a json array of the erros that caused the failure to update. * @param request servlet request/* w ww.ja v a 2 s . c o m*/ * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { ConnectionManager manager = new ConnectionManager(); String requestObject = request.getParameter("r"); String token = request.getParameter("token"); ArrayList<String> errorList = new ArrayList<String>(); JsonObject reponseObject = new JsonObject(); JsonArray allErrors = new JsonArray(); if (requestObject == null) { errorList.add("missing r"); } else if (requestObject.length() == 0) { errorList.add("blank r"); } if (token == null) { errorList.add("missing token"); } else if (token.length() == 0) { errorList.add("blank token"); } else { try { String result = JWTUtility.verify(token, "abcdefgh12345678"); if (!result.equals("admin")) { errorList.add("invalid token"); } } catch (JWTException e) { // do we need this? // This means not an admin, or token expired errorList.add("invalid username/token"); } } JsonElement jelement = new JsonParser().parse(requestObject); JsonObject json = jelement.getAsJsonObject(); Bid existingBid = null; JsonElement amt = json.get("amount"); JsonElement crse = json.get("course"); JsonElement sec = json.get("section"); JsonElement user = json.get("userid"); if (amt == null) { errorList.add("missing amount"); } else if (amt.getAsString().length() == 0) { errorList.add("blank amount"); } if (crse == null) { errorList.add("missing course"); } else if (crse.getAsString().length() == 0) { errorList.add("blank course"); } if (sec == null) { errorList.add("missing section"); } else if (sec.getAsString().length() == 0) { errorList.add("blank section"); } if (user == null) { errorList.add("missing userid"); } else if (user.getAsString().length() == 0) { errorList.add("blank userid"); } if (errorList.size() > 0) { errorList.sort(new ErrorMsgComparator()); for (String s : errorList) { allErrors.add(new JsonPrimitive(s)); } reponseObject.addProperty("status", "error"); reponseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(reponseObject.toString()); return; } // There may be type errors for the double here double amount = amt.getAsDouble(); String courseID = crse.getAsString(); String sectionID = sec.getAsString(); String userID = user.getAsString(); Course course = CourseDAO.getInstance().findCourse(courseID); Section section = SectionDAO.getInstance().findSection(courseID, sectionID); Student student = StudentDAO.retrieve(userID); int round = manager.getBiddingRound(); BootstrapValidator bv = new BootstrapValidator(); if (bv.parseBidAmount(amt.getAsString()) != null) { allErrors.add(new JsonPrimitive("invalid amount")); } if (course == null) { allErrors.add(new JsonPrimitive("invalid course")); } // only check if course code is valid if (course != null && section == null) { allErrors.add(new JsonPrimitive("invalid section")); } if (student == null) { allErrors.add(new JsonPrimitive("invalid userid")); } if (allErrors.size() > 0) { reponseObject.addProperty("status", "error"); reponseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(reponseObject.toString()); return; } if (manager.getBiddingRoundStatus().equals("started")) { if (round == 2) { double minBidAmt = MinBidDAO.getInstance().getValue(courseID + "-" + sectionID); System.out.println(courseID + "-" + sectionID); System.out.println("UPDATE amount: " + amount); System.out.println("UPDATE min bid: " + minBidAmt); if (amount < minBidAmt) { errorList.add("bid too low"); } } else if (round == 1) { if (amount < 10) { errorList.add("bid too low"); } } existingBid = BidDAO.getInstance().getStudentBidWithCourseID(userID, courseID); //no existing bid if (existingBid == null) { if (bv.parseEDollarEnough(userID, courseID, sectionID, amt.getAsString()) != null) { errorList.add("insufficient e$"); } } else if (existingBid.getStatus().equals("pending")) { if (bv.parseEDollarEnoughExistingBid(userID, courseID, sectionID, amt.getAsString()) != null) { // Think too much alr, this line is not needed // errorList.add("insufficient e$"); } } else if (existingBid.getStatus().equals("success")) { errorList.add("course enrolled"); } if (bv.parseClassTimeTableClash(userID, courseID, sectionID) != null) { errorList.add("class timetable clash"); } if (bv.parseExamTimeTableClash(userID, courseID, sectionID) != null) { errorList.add("exam timetable clash"); } if (bv.parseIncompletePrerequisite(userID, courseID) != null) { errorList.add("incomplete prerequisites"); } if (bv.parseAlreadyComplete(userID, courseID) != null) { errorList.add("course completed"); } if (bv.parseSectionLimit(userID, courseID, sectionID) != null) { errorList.add("section limit reached"); } if (bv.parseNotOwnSchoolCourse(userID, courseID) != null) { errorList.add("not own school course"); } ArrayList<SectionStudent> sectionStudentList = SectionStudentDAO.getInstance() .getSectionStudentListWithID(courseID, sectionID); int vacancy = section.getSize() - sectionStudentList.size(); if (vacancy <= 0) { errorList.add("no vacancy"); } } else { errorList.add("round ended"); } if (errorList.size() > 0) { Collections.sort(errorList); for (String s : errorList) { allErrors.add(new JsonPrimitive(s)); } reponseObject.addProperty("status", "error"); reponseObject.add("message", allErrors); response.setContentType("application/json"); response.getWriter().write(reponseObject.toString()); return; } else { //success state Bid newBid = new Bid(userID, amount, courseID, sectionID, "pending"); if (existingBid != null) { //there is an existing bid MinBidDAO.getInstance().getMinBidList().remove(courseID + "-" + sectionID); MinBidDAO.getInstance().refresh(); BidPlacementServlet.updateCurrentBid(userID, courseID, sectionID, amount, student); } else { student.seteDollar(student.geteDollar() - amount); manager.setEDollar(userID, student.geteDollar()); BidDAO.getInstance().addBid(newBid); manager.addBid(newBid); //dk if this is needed if (round == 1) { RoundOneBidDAO.getInstance().addBid(newBid); } else if (round == 2) { RoundTwoBidDAO.getInstance().addBid(newBid); } } MinBidDAO.getInstance().refresh(); reponseObject.addProperty("status", "success"); } response.setContentType("application/json"); response.getWriter().write(reponseObject.toString()); return; }
From source file:com.birbit.jsonapi.JsonApiDeserializer.java
License:Apache License
public JsonApiResponse deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException { if (!json.isJsonObject()) { throw new JsonParseException("JSON API response root should be a json object"); }//w w w.jav a 2 s .c om if (!(typeOfT instanceof ParameterizedType)) { throw new JsonParseException("JSON API response should be requested with a parameterized type where the" + " type parameter represents the `data` field's type"); } ParameterizedType parameterizedType = (ParameterizedType) typeOfT; JsonObject jsonObject = json.getAsJsonObject(); JsonApiLinks links = parseLinks(context, jsonObject); T[] data = parseData(context, parameterizedType, jsonObject); List<JsonApiError> errors = parserErrors(context, jsonObject); if ((data == null) == (errors == null)) { throw new JsonParseException("The JSON API response should have data or errors"); } if (errors != null) { return new JsonApiResponse(errors, typeMapping, links); } Map<String, Map<String, Object>> included = parseIncluded(context, jsonObject); //noinspection unchecked return new JsonApiResponse(data, included, typeMapping, links); }
From source file:com.birbit.jsonapi.JsonApiDeserializer.java
License:Apache License
private ResourceWithIdAndType<T> parseResource(JsonElement jsonElement, JsonDeserializationContext context) { JsonObject jsonObject = jsonElement.getAsJsonObject(); String apiType = jsonObject.get("type").getAsString(); String id = jsonObject.get("id").getAsString(); JsonApiResourceDeserializer<?> deserializer = deserializerMap.get(apiType); Object resource;/*from ww w . jav a 2 s. c o m*/ if (deserializer != null) { resource = deserializer.deserialize(id, jsonElement, context); } else { resource = null; } return new ResourceWithIdAndType(apiType, id, resource); }