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_reports; import classes.AdminClass_ReportedInquiries; import classes.AdminClass_ReportedItems; import classes.AdminClass_ReportedMessages; import com.google.gson.Gson; import com.google.gson.JsonObject; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * * @author SithuDewmi */ public class RemoveMessageReportJson 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 { AdminClass_ReportedItems art = new AdminClass_ReportedItems(); AdminClass_ReportedMessages arm = new AdminClass_ReportedMessages(); AdminClass_ReportedInquiries ari = new AdminClass_ReportedInquiries(); String alert = null; if (request.getParameter("removeReport") != null) { int result = arm.updateViewState(request.getParameter("removeReport"));//updating report status if (result == 1) { alert = "<button class=\"btn btn-green\">" //returning notification of the success + "<i class=\"glyphicon glyphicon-ok-sign\">" + "</i></button><br><strong>Removed !</strong>" + " Report id " + request.getParameter("removeReport") + ""; } else { alert = "<button class=\"btn btn-red\">" //returning notification of the failure + "<i class=\"glyphicon glyphicon-remove-circle\">" + "</i></button><br><strong>Failed!</strong>" + " Report id " + request.getParameter("removeReport") + " Try again."; } } PrintWriter out = response.getWriter(); Gson gson = new Gson(); JsonObject myObj = new JsonObject(); myObj.addProperty("result", alert); 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> }