import java.io.*;

import javax.servlet.*;
import javax.servlet.http.*;

public
class BrowserDataServlet extends HttpServlet {

    public void doGet (HttpServletRequest req, HttpServletResponse res)
	throws ServletException, IOException
    {

	res.setContentType("text/plain");
	ServletOutputStream out = res.getOutputStream();

        String remoteAddr = req.getRemoteAddr();

        out.println("Hello " + remoteAddr );

        String remoteSW = req.getHeader("user-agent");

        if (remoteSW != null)
		out.println("You're using " + remoteSW);
	else
		out.println("Your browser didn't identify itself.");

        String method = req.getMethod();
	String path = req.getServletPath();

	out.println("You accessed " + path + 
			"\nusing the " + method + " method");

	String server = req.getServerName();

	int port = req.getServerPort();

	    out.println("The server is named "
			+ server 
			+ "\nand is listening to port "
			+ port);
    }


    public String getServletInfo() {
	return "Gives information abbout user's client, server, and url accessed";
    }

}