feedme.controller.UpdateCategoryServlet.java Source code

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Here is the source code for feedme.controller.UpdateCategoryServlet.java

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/*
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 */
package feedme.controller;

import feedme.model.DbHPOnLoad;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

/**
 *
 * @author adi
 */
@WebServlet(name = "UpdateCategoryServlet", urlPatterns = { "/update-category" })
public class UpdateCategoryServlet 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.setContentType("text/html;charset=UTF-8");
        response.setCharacterEncoding("UTF-8");
    }

    // <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 {
        processRequest(request, response);

        String city = request.getParameter("city");
        HashMap<String, Integer> cat = new DbHPOnLoad().getCategoriesByCity(city);
        try {

            JSONObject catObj = new JSONObject();
            catObj.put("categorys", new JSONArray());
            JSONArray cate = catObj.getJSONArray("categorys");
            for (Map.Entry<String, Integer> entry : cat.entrySet()) {
                cate.put(new JSONObject().put("cat_id", entry.getValue()).put("cat_name", entry.getKey()));
            }
            response.setContentType("application/json");
            PrintWriter writer = response.getWriter();
            writer.print(catObj);
            response.getWriter().flush();

        } catch (JSONException ex) {
            Logger.getLogger(OrderCompleteServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}