[JAVA] Login su un sito

[slack85]

Salve ragazzi. Vorrei fare il login su questo sito e una volta loggato stampare il codice html della pagina. Il problema è che non riesco a loggarmi.. Sarà dovuto ai cookie? e se si come li implemento? Vi allego il codice sperando che qualcuno mi dii una mano

public class Test {



    /**

     * @param args
     * @throws IOException 
     * @throws InterruptedException 
     * @throws IOException 

     */

    public static void main(String[] args) throws IOException 
    {

        
        
            String data,line;
            
            data = URLEncoder.encode("__VIEWSTATE", "UTF-8") 
+ "="+ URLEncoder.encode("/wEPDwUKL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", "UTF-8");
            
            data += "&" + URLEncoder.encode("ctl00$boxLogin$tbUsername", "UTF-8") 
                + "=" + URLEncoder.encode("La mia username", "UTF-8");

            data += "&" + URLEncoder.encode("ctl00$boxLogin$tbPassword", "UTF-8") 
                + "="+ URLEncoder.encode("La mia password", "UTF-8");

            data += "&" + URLEncoder.encode("ctl00$boxLogin$ibLogin.x", "UTF-8") 
                + "=" + URLEncoder.encode("28", "UTF-8");

            data += "&" + URLEncoder.encode("ctl00$boxLogin$ibLogin.y", "UTF-8") 
                + "=" + URLEncoder.encode("10", "UTF-8");
            
            data += "&" + URLEncoder.encode("__EVENTVALIDATION", "UTF-8") 
              +"="+ URLEncoder.encode("/wEWBALy4ffQAwLjup9tAv2CqisCxc3Z5g4eC40m0G++xMHauKjcuev
         6n+cLxg==", "UTF-8");

            

            

            // Send data

            URL url = new URL("http://www.premiolaurentum.eu/Concorso/Default.aspx");

               URLConnection conn = url.openConnection();
            conn.setDoOutput(true);
            
            OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
            wr.write(data);
            wr.flush();

        

            // Get the response

           

            BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            while ((line=rd.readLine()) != null) {
                System.out.println(line);
            }
            wr.close();
            rd.close();
 
        } 
                
}