Java tutorial
import java.io.BufferedReader; import java.io.InputStreamReader; import java.net.Authenticator; import java.net.InetAddress; import java.net.PasswordAuthentication; import java.net.URL; public class Main { public static void main(String[] argv) throws Exception { Authenticator.setDefault(new MyAuthenticator()); URL url = new URL("http://hostname:80/index.html"); BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream())); String str; while ((str = in.readLine()) != null) { System.out.println(str); } in.close(); } } class MyAuthenticator extends Authenticator { protected PasswordAuthentication getPasswordAuthentication() { String promptString = getRequestingPrompt(); System.out.println(promptString); String hostname = getRequestingHost(); System.out.println(hostname); InetAddress ipaddr = getRequestingSite(); System.out.println(ipaddr); int port = getRequestingPort(); String username = "name"; String password = "password"; return new PasswordAuthentication(username, password.toCharArray()); } }