import java.io.*;
import java.net.*;

public class MyFirstSocket {
	
	String host;
	Integer port;
	
	Socket sock;
	
	BufferedReader reader;
	PrintStream outp;
	
	public MyFirstSocket(String host_,Integer port_)
	{
		this.host = host_;
		this.port = port_;
	}
	
	private void creazioneSocket()
	{
		try
		{
			this.sock = new Socket(this.host,this.port);
			this.reader = new BufferedReader(new InputStreamReader(this.sock.getInputStream()));
			this.outp = new PrintStream(this.sock.getOutputStream());
		}
		catch(Exception e)
		{
			System.err.println(e.toString());
		}
	}
	
	private void closeSocket()
	{
		try
		{
			this.sock.close();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}
	
	private String scriviSullaSocket(String s)
	{
		String ret = "";
		
		this.outp.print(s);
		this.outp.flush();
		
		try
		{
			while(!ret.contains("</html>"))
			{
				ret += this.reader.readLine() + "\n";
			}
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		return ret;
	}
	
	public static void main(String[] args)
	{
		String request = "";
		String response = "";
		
		/* INSTANZIO L'OGGETTO MyFirstSocket CON I PARAMETRI HOST=localhost E PORT=80 */
		MyFirstSocket s = new MyFirstSocket("localhost",80);
		
		/* UTILIZZO IL METODO creazioneSocket() PER INSTANZIARE LA SOCKET */
		s.creazioneSocket();
		
		/* INIZIALIZZO REQUEST OPPORTUNAMENTE PER UNA RICHIESTA HTTP */
		request = "GET / HTTP/1.1" + (char)13 + (char)10;
		request += "Host: " + s.host + (char)13 + (char)10;
		request += "\r\n";
		
		/* UTILIZZO IL METODO scriviSullaSocket() CON PARAMETRO REQUEST=alla mia richiesta http */
		response = s.scriviSullaSocket(request);
		
		s.closeSocket();
		
		/* STAMPO L'OUTPUT */
		System.out.println("RICHIESTA:");
		System.out.print(request);
		System.out.println("RISPOSTA:");
		System.out.println(response);
	}
}