// CSE 143, Autumn 2013
// This program uses the Downloader class to download a web page
// from a URL and save it to a file on the local hard disk.
// It also demonstrates the exception try/catch syntax for handling errors.

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

public class DownloadMain {
    public static void main(String[] args) {
       Scanner console = new Scanner(System.in);
       System.out.println("URL to download? ");
       String url = console.nextLine();
       
       Downloader down = null;
       while(down == null) {
	       try {
	    	   down = new Downloader(url);
	       } catch (MalformedURLException e) {
	    	   System.out.println("Bad url. please try again ");
	       }
       }
       
       System.out.println("Target file name? ");
       String target = console.nextLine();
       
       try {
    	   down.download(target);
       } catch (IOException e) {
    	   System.out.println("File failed to download.");
       }
    }
}