///////    RemoteFactor.java    ///////
import java.net.URLEncoder;

class RemoteFactor
{  public static void main(String[] args)
   {  if ( args.length != 1 )
      {   JavaSystem.err.println("Usage: RemoteFactor poly");
          System.exit(1);
      }
      String msg = "polynomial=" + URLEncoder.encode(args[0]);

   // use CgiUrl and CgiSocket both implement CgiClient
   // so either will work here
   // CgiClient cc = new CgiSocket(server, port, cgi);
      CgiClient cc = new CgiUrl(protocol+"://"+server+cgi);

      cc.postQuery(msg);
      TextLines ans = cc.textResponse(); 
      cc.close();
      ans.output(System.out);
   }

   static String protocol = "http";
   static int port = 80;
   static String server = "SymbolicNet.mcs.kent.edu";
   static String cgi = "/cgi-bin/icm.demo?factor+y^2-x^2";

// another cgi program to try
// static String cgi = "cgi-bin/jfac?factor+y^2-x^2";

}

// to run
// java RemoteFactor '27*y^3-8*x^3'