forumbox.GetUserServlet.java Source code

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Here is the source code for forumbox.GetUserServlet.java

Source

/*
 * 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 forumbox;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;

import java.io.*;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.*;
import javax.servlet.http.*;

/**
 *
 * @author dinalidabarera
 */
public class GetUserServlet 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
     */

    // <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
     */
    // private static final long serialVersionUID = 1L;
    @Override

    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        JSONObject IDlistobj = null;
        JSONObject postobj = null;
        JSONParser IDlistparser = new JSONParser();
        JSONParser postParser = new JSONParser();

        String[] Idlist = new String[10];
        int count = 0;

        try {
            FileReader file1 = new FileReader(
                    "/home/dinalidabarera/NetBeansProjects/NewFolder/forum4/admin01/post/list.json");

            Object obj = IDlistparser.parse(file1);

            IDlistobj = (JSONObject) obj;
            JSONArray list = (JSONArray) IDlistobj.get("list");

            count = list.size() - 1;

            for (int i = 0; i < 10 && i <= count; i++) {
                Idlist[i] = list.get(count).toString();
                count--;
            }

        } catch (Exception e) {

            response.setContentType("text/html");
            PrintWriter out = response.getWriter();
            out.println("get ID is unsuccessful");
            out.println(e);
            out.println("......................");
        }

        // get the posts

        try {

            String[] idlist = new String[10];
            String[] descriptionlist = new String[10];
            String[] username = new String[10];
            String[] titlelist = new String[10];

            for (int i = 0; i < 10 && i <= count; i++) {
                FileReader file = new FileReader(
                        "/home/dinalidabarera/NetBeansProjects/NewFolder/forum4/admin01/post/" + Idlist[i]
                                + ".json");
                Object obj = postParser.parse(file);
                postobj = (JSONObject) obj;
                idlist[i] = postobj.get("id").toString();
                descriptionlist[i] = postobj.get("description").toString();
                username[i] = postobj.get("username").toString();
                titlelist[i] = postobj.get("title").toString();

                if (descriptionlist[i].length() > 200) {
                    descriptionlist[i] = descriptionlist[i].substring(0, 199) + "....";
                }
            }

            request.setAttribute("titlelist", titlelist);
            request.setAttribute("idlist", idlist);
            request.setAttribute("descriptionlist", descriptionlist);
            request.setAttribute("username", username);

            request.getRequestDispatcher("/indexpage.jsp").forward(request, response);

        } catch (Exception e) {
            response.setContentType("text/html");
            PrintWriter out = response.getWriter();
            out.println("fetching post unsuccessful");
            out.println(e);
            out.println("......................");
        }

    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        doGet(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
 */

/**
 * Returns a short description of the servlet.
 *
 * @return a String containing servlet description
 */