Web Caching.txt

import java.sql.SQLOutput;
import java.util.*;
import java.net.*;
import java.awt.Desktop;

public class webcache {
    public static void main(String[] args) throws Exception {
        Scanner in=new Scanner(System.in);
        HashSet<String> set = new HashSet<String>();
        while(true) {
            System.out.print("Enter website domain name : ");
            String message;
            message = in.nextLine();
            if(message.equalsIgnoreCase("Exit")) break;
            Desktop desk = Desktop.getDesktop();
            InetAddress host = InetAddress.getByName(message);
            String msg = host.toString();
            int k = msg.indexOf('/');
            String ip = msg.substring(k + 1);

            System.out.println("The Domain IP is : " + ip);
            desk.browse(new URI(message));
            if (set.contains(message)) 
{
                System.out.println("Fetched from cache");
            }
            else {
                System.out.println("Not in cache, fetched from server");
                set.add(message);
                Iterator<String> i=set.iterator();
                while(i.hasNext())
                {
                    System.out.println(i.next());
                }
            }
        }
    }
}