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 adminservlets_Json; import classes.AdminClass_DetailedView; import com.google.gson.Gson; import com.google.gson.JsonObject; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * * @author SithuDewmi */ public class DetailedViewJson 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 */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.sendError(HttpServletResponse.SC_NOT_FOUND); } // <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 { String id = request.getParameter("id"); ArrayList al; AdminClass_DetailedView ad = new AdminClass_DetailedView(); PrintWriter out = response.getWriter(); Gson gson = new Gson(); JsonObject myObj = new JsonObject(); if ("U".equals(String.valueOf(id.charAt(0)))) { al = ad.userDetailedView(id.substring(1)); myObj.addProperty("username", (String) al.get(0)); myObj.addProperty("email", (String) al.get(1)); myObj.addProperty("tel", (String) al.get(2)); myObj.addProperty("reg", (String) al.get(3)); myObj.addProperty("status", (String) al.get(4)); myObj.addProperty("activation", (String) al.get(5)); myObj.addProperty("login", (String) al.get(6)); myObj.addProperty("ads", (String) al.get(7)); } else if ("M".equals(String.valueOf(id.charAt(0)))) { al = ad.messageDetailedView(id.substring(1)); myObj.addProperty("id", (String) al.get(0)); myObj.addProperty("sender", (String) al.get(1)); myObj.addProperty("reciever", (String) al.get(2)); myObj.addProperty("content", (String) al.get(3)); myObj.addProperty("time", (String) al.get(4)); } else if ("1".equals(String.valueOf(id.charAt(0)))) { al = ad.reportItemDetailedView(id.substring(1)); myObj.addProperty("id", (String) al.get(0)); myObj.addProperty("email", (String) al.get(1)); myObj.addProperty("reason", (String) al.get(2)); myObj.addProperty("message", (String) al.get(3)); myObj.addProperty("item", (String) al.get(4)); myObj.addProperty("title", (String) al.get(5)); } else if ("2".equals(String.valueOf(id.charAt(0)))) { al = ad.reportInquiryDetailedView(id.substring(1)); myObj.addProperty("id", (String) al.get(0)); myObj.addProperty("item", (String) al.get(1)); myObj.addProperty("message_to", (String) al.get(2)); myObj.addProperty("message_from", (String) al.get(3)); myObj.addProperty("message", (String) al.get(4)); myObj.addProperty("message_time", (String) al.get(5)); myObj.addProperty("response", (String) al.get(6)); myObj.addProperty("response_time", (String) al.get(7)); } else if ("3".equals(String.valueOf(id.charAt(0)))) { al = ad.reportMessageDetailedView(id.substring(1)); myObj.addProperty("id", (String) al.get(0)); myObj.addProperty("sender", (String) al.get(1)); myObj.addProperty("reciever", (String) al.get(2)); myObj.addProperty("content", (String) al.get(3)); myObj.addProperty("message_time", (String) al.get(4)); myObj.addProperty("reported_time", (String) al.get(5)); } else { String tilte = ad.itemDetailedView(String.valueOf(id.substring(1))); myObj.addProperty("id", tilte); } out.write(myObj.toString()); out.close(); } /** * Returns a short description of the servlet. * * @return a String containing servlet description */ @Override public String getServletInfo() { return "Short description"; }// </editor-fold> }