AddServlet.AddRegion.java Source code

Introduction

Here is the source code for AddServlet.AddRegion.java

Source

/*
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 * and open the template in the editor.
 */
package AddServlet;

import Bean.Employee;
import Bean.Region;
import Handlers.RegionHandler;
import com.google.gson.Gson;
import java.io.IOException;
import java.io.PrintWriter;
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 yingxinxie
 */
@WebServlet(name = "AddRegion", urlPatterns = { "/AddRegion" })
public class AddRegion 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");
        PrintWriter out = response.getWriter();
        Gson gson = new Gson();
        Employee e = (Employee) request.getSession().getAttribute("Employee");
        if (e == null) {
            out.print(-1);
            return;
        }
        String region_name = request.getParameter("region_name");
        String region_manager = request.getParameter("region_manager");
        String[] array = { region_name, region_manager };
        Region r = RegionHandler.getRegionHandler().addRegion(array);
        if (r == null) {
            out.println(0);
        } else {
            out.println(gson.toJson(r));
        }
    }

    // <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);
    }

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

}