Biblioteca Java - Rev 33

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/*
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 * and open the template in the editor.
 */
package com.utcn.aut.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Iterator;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author mihai
 */
public class PersoanaServlet extends HttpServlet {
   
     HashMap<String,String> persoane = new HashMap<>();


    // <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 {
       
        String nume = request.getParameter("nume");
        System.err.println(nume);
        String raspuns;
        if(nume==null)
            raspuns = "Parametrul nume nu a fost specificat.";
        else{
            if(persoane.containsKey(nume))
               raspuns = "Varsta persoanei este="+persoane.get(nume);
            else
               raspuns = "Persoana nu a fost gasita.";
        }
        PrintWriter out = response.getWriter();
        out.println("<!DOCTYPE html>");
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet AdunaServlet</title>");            
        out.println("</head>");
        out.println("<body>");
        out.println("<h1>"+raspuns+"</h1>");
        out.println("</body>");
        out.println("</html>");                
    }

    /**
     * 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 {
           
         String op1 = request.getParameter("nume");
         String op2 = request.getParameter("varsta");
         persoane.put(op1, op2);
         PrintWriter out = response.getWriter();
         out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet AdunaServlet</title>");            
            out.println("</head>");
            out.println("<body>");
            out.println("<h1> Persoana a fost adaugata</h1>");
            out.println("<h1> Numar total de persoane:"+persoane.size()+"</h1>");
            out.println("</body>");
            out.println("</html>");
       
    }

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

}