Thread: offline explorer(how save images , css files ,js files?)

Hello my dear friends.
i want to write a offline explorer program with java.
i save url html code that user typed.(output.txt)
now how to sava images and css files and java scripts file?[Without the use of htmlparse class]
Thanks.(output.txt seve in C:\Users\fh\Documents\NetBeansProjects\offline explorer\output.txt)

public static void main(String[] args) throws MalformedURLException, IOException {
String urlString;
if (args.length == 1)
	 urlString = args[0];
else {
	 System.out.println("Enter URL:");
	 Scanner s = new Scanner(System.in);
	 urlString = s.next();
	 System.out.println("Using " + urlString);
}
URL u = new URL(urlString);
URLConnection connection = u.openConnection();
HttpURLConnection httpConnection = (HttpURLConnection) connection;
int code = httpConnection.getResponseCode();
String message = httpConnection.getResponseMessage();
System.out.println(code + " " + message);
if (code != HttpURLConnection.HTTP_OK)
	 return;
 
InputStream instream = connection.getInputStream();
Scanner in = new Scanner(instream);
PrintWriter out = new PrintWriter("output.txt");
while (in.hasNextLine())
{
	 String input = in.nextLine();
	 out.println(input);
	 System.out.println(input);
}
out.close();