// AUTHOR: James Martin
// DATE: 03\23\2002

 import  java.io.*;		// I\O streams.
 import  java.net.Socket; // TCP Socket.

 public   class  Whois {
	 private  Socket 		s 	     =  null ; // Main tcp socket.
	 private  BufferedReader 	fromServer =  null ; // Socket input stream.
	 private  PrintWriter		toServer   =  null ; // Socket output stream.
	
	// Connect to the "whois" server.
	 public   void  connect(String addr)  throws  IOException {
		s 		=  new  Socket(addr,  43 );
		toServer 	=  new  PrintWriter( new  OutputStreamWriter(s.getOutputStream()));
		fromServer 	=  new  BufferedReader( new  InputStreamReader(s.getInputStream()));
	}

	// Query the "whois" server. 
	 public   void  query(String dom)  throws  IOException {
		String buff =  null ;

		toServer.print(dom);
		toServer.print("\r\n");
		toServer.flush();

		 while  ((buff = fromServer.readLine()) !=  null )
			System.out.println(buff);
	}

	// Close the socket and streams.
	 public   void  close()  throws  IOException {
		toServer.close();
		fromServer.close();
		s.close();	
	}

	// Application entry point...
	 public   static   void  main(String[] args) {
		Whois whois       =  new  Whois();			// Create an instance of the Whois class.
		String whois_serv = "whois.geektools.com";	// Default whois server address.
		String query      =  null ;				// Users domain query.

		// At least 1 parameter is required...
		 if  (args.length ==  0 ) { 
			System.out.println("USAGE: java Whois [-s WHOIS_SERVER] [DOMAIN]");
			System.exit( 0 );
		}

		// Was an option used?
		 if  (args[ 0 ].charAt( 0 ) == '-') { 
			 if  (args[ 0 ].charAt( 1 ) == 's') {
				 if  (args.length !=  3 ) {
					System.out.println("USAGE: java Whois [-s WHOIS_SERVER] [DOMAIN]");
					System.exit( 0 );
				}

				whois_serv = args[ 1 ];
				query      = args[ 2 ];
			}
		}
		 else  // No option was used...
			query = args[ 0 ];
		
		 try  {
			whois.connect(whois_serv); // Connect to the server.
			whois.query(query);	   // Query the server.
			whois.close();		   // Close the connection.
		}  catch  (IOException e) {}
	}
}