import java.net.URL;
import java.net.HttpURLConnection;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.FileOutputStream;
import java.net.CookieHandler;
import java.net.CookieManager;

public class GetLists {

 public static void main(String args[]) throws Exception {
  String base = "http://rosinstrument.com/cgi-bin/";
  String lists[] = {"http1000", "httpanon500", "https500", "socks1000"};
  java.net.CookieManager cm = new CookieManager();
  cm.setCookiePolicy(java.net.CookiePolicy.ACCEPT_ALL);
  CookieHandler.setDefault(cm);
  URL loginUrl = new URL(base + "login.pl");
  loginUrl.openConnection().getContent();

  HttpURLConnection con =
    (HttpURLConnection) loginUrl.openConnection();
  con.setRequestMethod("POST");
  con.setDoOutput(true);
  con.setRequestProperty("Content-Type",
    "application/x-www-form-urlencoded");

  OutputStreamWriter wr =
    new OutputStreamWriter(con.getOutputStream());
  wr.write("login=USER&passwd=PASSWORD");
  wr.flush();
  con.getContent();

  byte buf[] = new byte[1024];
  int read;
  for (String file : lists) {
   InputStream is = new URL(base + "tl.pl?" + file).openConnection().
     getInputStream();
   OutputStream os = new FileOutputStream(new File(file + ".txt"));
   while ((read = is.read(buf, 0, buf.length)) >= 0) {
    os.write(buf, 0, read);
   }
  }
 }
}