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.certus.mobile.actions; import com.certus.controllers.SingleItem; import com.certus.dbmodel.ProductHasSize; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * * @author shanaka */ @WebServlet(name = "mobileSingleItemAction", urlPatterns = { "/mobileSingleItemAction" }) public class mobileSingleItemAction extends HttpServlet { @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { SingleItem item = new SingleItem(); ProductHasSize productDetials = item.getProductDetials(Integer.parseInt(request.getParameter("id"))); GsonBuilder gb = new GsonBuilder(); Gson gson = gb.registerTypeAdapter(ProductHasSize.class, new com.certus.mobile.controllers.SingleItemTypeAdapter()).create(); String element = gson.toJson(productDetials); response.getWriter().write(element); } }