SMS-Versand mit Java

import java.io.*;
import java.net.*;

public class SendSMS {

  private static String userNamePasswordBase64( String username, String password ) {
   String s = username + ":" + password;
   String encs = new sun.misc.BASE64Encoder().encode(s.getBytes());
   return "Basic " + encs;
  }

  public static void main(String[] args) {
   String user = "benutzer";		// Benutzername
   String password = "secret";		// Passwort
   String nummer = "+491797000000";		// Ziel-Rufnummer
   String text = "blah blah";		// Text-Nachricht
   String absender = "+491797000000";	// Absenderkennung
   Byte test = 1;				// Debug-Modus aktivieren
   Byte output = 1;			// Unterdrückt HTML-Antwort
   URLEncoder encoder = new URLEncoder();
 
   try {
    URL url = new URL("http://sms-gw.topconcepts.de/gw/sms.pl?nummer=" +
    encoder.encode(nummer) + "&text=" + encoder.encode(text) + "&absender=" +
    encoder.encode(absender));
    HttpURLConnection conn = (HttpURLConnection )url.openConnection();
    conn.setRequestProperty( "Authorization",
    userNamePasswordBase64(user, password));
    conn.setRequestMethod("GET");
    if (output == 1) {
     if (conn.getResponseCode() != HttpURLConnection.HTTP_OK) {
      System.out.println(conn.getResponseMessage());
     } else {
      System.out.println(conn.getResponseMessage());
     }
    }
   }
   catch (MalformedURLException ex) {
    if (output == 1 && test == 1) {
     System.out.println(ex.getMessage());
    }
   }
   catch (IOException ioe) {
    if (output == 1 && test == 1) {
     System.out.println(ioe.getMessage());
    }
   }
   catch(Exception e) {
    if (output == 1 && test == 1) {
     System.out.println(e.getMessage());
    }
   }
  }
 }