/**{f}

 * SimpleWebClient.java

 * Classe che apre una connessione ad un server

 * web e legge una singola pagina web dalla connessione

 * attraverso l'uso di socket

 * @version 1.00 01/03/10

 * @author Bertolini Marta & Girotto Cristiano

 */

import java.io.*;

import java.net.*;

public class SimpleWebClient {

    public static void main(String args[])

    {

        try

        {

            // apre una connessione socket

            Socket clientSocket1 = new Socket(args[0], 25);

            System.out.println("Client1: " + clientSocket1);

            System.out.println("Client1 SO_LINGER: " + clientSocket1.getSoLinger());

            System.out.println("Client1 SO_TIMEOUT: " + clientSocket1.getSoTimeout());

            System.out.println("Client1 TCP_NODELAY: " + clientSocket1.getTcpNoDelay());

              // aquisisce una pagina  web

            getPage(clientSocket1);

        }

        catch (UnknownHostException uhe)

        {

            System.out.println("UnknownHostException: " + uhe);

        }

        catch (IOException ioe)

        {

            System.err.println("IOException: " + ioe);

        }

    }

    /**

     *  richiesta di una pagina web utilizzando il client socket  passato

     * visualizza e chiude il client socket

     */

    public static void getPage(Socket clientSocket)

    {

        try

        {

            // Acquisisce l' input e l'output streams

            DataOutputStream outbound = new DataOutputStream(

                clientSocket.getOutputStream() );

            BufferedReader inbound = new BufferedReader(

                new InputStreamReader(clientSocket.getInputStream()));

            // scrive la richiesta HTTP al server

            outbound.writeBytes("GET / HTTP/1.0\r\n\r\n");

              // legge la risposta

            String responseLine;

            while ((responseLine = inbound.readLine()) != null)

            {

                // visualizza ciascuna linea 

                System.out.println(responseLine);

            }

              // chiude le connessioni

            outbound.close();

            inbound.close();

            clientSocket.close();

        }

        catch (IOException ioe)

        {

            System.out.println("IOException: " + ioe);

        }

    }

}