Sample 6

package FrameworkWrapper;

import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class ServletResponse extends HttpServlet
{

   public void doGet (HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException
   {

      Enumeration keys;
      String key;
      String myName = "";
      keys = request.getParameterNames();
      while (keys.hasMoreElements())
      {
         key = (String) keys.nextElement();
         if (key.equalsIgnoreCase("myName")) myName = request.getParameter(key);
      }
      System.out.println("Name = ");
      if (myName == "") myName = "Hello";

      response.setContentType("text/html");
      response.setHeader("Pragma", "No-cache");
      response.setDateHeader("Expires", 0);
      response.setHeader("Cache-Control", "no-cache");

      PrintWriter out = response.getWriter();
      out.println("json object");
   
      out.flush();
     
   // ---------------- Note:One approach--------------------------
      //response.setContentType("application/json");
   // Get the printwriter object from response to write the required json object to the output stream    
  // PrintWriter out = response.getWriter();
   // Assuming your json object is **jsonObject**, perform the following, it will return your json object
   //out.print(jsonObject);
   //out.flush();
     
      // ---------------- Note:One approach--------------------------
     
//      JSONObject json      = new JSONObject();
//      JSONArray  addresses = new JSONArray();
//      JSONObject address;
//      try
//      {
//         int count = 15;
//
//         for (int i=0 ; i<count ; i++)
//         {
//             address = new JSONObject();
//             address.put("CustomerName"     , "Decepticons" + i);
//             address.put("AccountId"        , "1999" + i);
//             address.put("SiteId"           , "1888" + i);
//             address.put("Number"            , "7" + i);
//             address.put("Building"          , "StarScream Skyscraper" + i);
//             address.put("Street"            , "Devestator Avenue" + i);
//             address.put("City"              , "Megatron City" + i);
//             address.put("ZipCode"          , "ZZ00 XX1" + i);
//             address.put("Country"           , "CyberTron" + i);
//             addresses.add(address);
//         }
//         json.put("Addresses", addresses);
//      }
//      catch (JSONException jse)
//      {
//
//      }
//      response.setContentType("application/json");
//      response.getWriter().write(json.toString());
     
      // ---------------- Note:One approach--------------------------
     
//      /**
//       * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
//       */
//      protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//
//          request.setCharacterEncoding("utf8");
//          response.setCharacterEncoding("utf8");
//          response.setContentType("application/json");
//          PrintWriter out = response.getWriter();
//          JSONObject jsonObj = (JSONObject) JSONValue.parse(request.getParameter("para"));
//          System.out.println(jsonObj.get("message"));        
//          JSONObject obj = new JSONObject();
//          obj.put("message", "hello from server");
//          out.print(obj);
//
//      }

   

   }
}