Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.mlveda.dori; import com.google.gson.Gson; import static com.mlveda.dori.Webhook.getBody; import com.mlveda.disneychatbot.config.ApiService; import com.mlveda.disneychatbot.config.RestClient; import com.mlveda.disneychatbot.database.MongoProvider; import com.mlveda.disneychatbot.models.PageArray; import com.mlveda.disneychatbot.models.PagesInsertData; import com.mongodb.Block; import com.mongodb.client.FindIterable; import com.mongodb.client.MongoDatabase; import static com.mongodb.client.model.Filters.eq; import java.io.IOException; import java.io.PrintWriter; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Locale; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.bson.Document; /** * * @author incredible */ @WebServlet(name = "AddPageWebhook", urlPatterns = { "/addPageWebhook" }) public class AddPageWebhook extends HttpServlet { /** * 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 */ private final Gson gson = new Gson(); private final ApiService service = RestClient.instance.getApiService(); protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // String requestParams = gson.toJson(request.getQueryString()); // String requestParams = request.getHeader("data"); String requestParams = getBody(request); System.out.println(requestParams); PagesInsertData installedPage = gson.fromJson(requestParams, PagesInsertData.class); PageArray body = gson.fromJson(requestParams, PageArray.class); System.out.println(); System.out.println(body); System.out.println(); HttpSession session = request.getSession(true); int responsemsg; response.setContentType("application/json"); // if (session == null) { // responsemsg = -2; //Session Expired //// jsonresponse.put("Message", responsemsg); // try (PrintWriter out = response.getWriter()) { // out.print("{'message' : " + responsemsg + "}"); // out.close(); // } // return; //break flow // } String storename = "dakshal"; try { // storename = session.getAttribute("shop").toString();//request.getParameter("storename"); } catch (Exception e) { // PrintWriter out = response.getWriter(); // out.print("{\"success\" : false}"); // out.flush(); // return; } if (storename.isEmpty()) { // PrintWriter out = response.getWriter(); // out.print("{\"success\" : false}"); // out.flush(); // return; } if (request.getMethod().equals("POST")) { // System.out.println(request.getQueryString()); PrintWriter out = response.getWriter(); out.print(gson.toJson(getPagesData(body, storename))); out.flush(); } else { // PrintWriter out = response.getWriter(); // out.print("{ 'success' : false}"); // out.flush(); // return; } } // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code."> /** * Handles the HTTP <code>GET</code> method. * * @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 { processRequest(request, response); } /** * Handles the HTTP <code>POST</code> method. * * @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 doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } /** * Returns a short description of the servlet. * * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; }// </editor-fold> private PageArray getPagesData(PageArray pages, String shopName) { MongoDatabase db = MongoProvider.getInstance(); FindIterable<Document> collection = db.getCollection("facebook_pages").find(eq("shop_name", shopName)); final ArrayList<PagesInsertData> pageList = new ArrayList<>(); System.out.println(); System.out.println(); // System.out.println("document: " + document); collection.forEach(new Block<Document>() { @Override public void apply(Document document) { pageList.add(gson.fromJson(gson.toJson(document), PagesInsertData.class)); } }); // BasicDBObject document = new BasicDBObject(); // QueryBuilder qb = new QueryBuilder().put("shop_name").is(shopName); //// qb.or(new QueryBuilder().put("shop_name").is(shopName).get(), new QueryBuilder().put("published_at").notEquals(null).get()); // document.putAll(qb.get()); // convert JSON to DBObject directly // Document document = new Document("array", JSON.parse(gson.toJson(pages.getData())), new JSONCallback()); DateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'", Locale.ENGLISH); ArrayList<PagesInsertData> responseObject = new ArrayList<>(); if (pages.getData().isEmpty()) { return new PageArray(responseObject, false); } for (PagesInsertData page : pages.getData()) { boolean found = false; page.setCreatedAt(format.format(Calendar.getInstance().getTime())); page.setUpdatedAt(format.format(Calendar.getInstance().getTime())); page.setShopName(shopName); Document document = Document.parse(gson.toJson(page)); for (PagesInsertData facebookPage : pageList) { System.out.println("facebook id: " + facebookPage.getId() + " page id: " + page.getId()); if (facebookPage.getId().equalsIgnoreCase(page.getId())) { System.out.println("facebook id: " + facebookPage.getId() + " page id: " + page.getId()); page.setInstalled(facebookPage.isInstalled()); page.setCreatedAt(facebookPage.getCreatedAt()); document = Document.parse(gson.toJson(page)); found = true; // break; } } if (found) { found = false; db.getCollection("facebook_pages").updateOne(new Document("id", page.getId()), new Document("$set", document)); } else { db.getCollection("facebook_pages").insertOne(document); } responseObject.add(page); // collection.insertOne(document); } return new PageArray(responseObject, true); } }