public static long DownloadFile(String URLPath, String LocalFilePath)
    {
        assert (URLPath != null);
        assert (LocalFilePath != null);
                                      
        try
        {
            URL url = new URL(URLPath);
            
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    
            BufferedReader in  = new BufferedReader( new InputStreamReader(url.openStream()));
            BufferedWriter out = new BufferedWriter( new FileWriter( LocalFilePath ));

            String str;
    
            while ((str = in.readLine()) != null)
                out.write( str + "\n" );
            
            connection.disconnect();

            out.close();
            in.close();
        }
        catch (Exception a) {
            System.out.println( a.getMessage());
            a.printStackTrace();
        }

        return new File(LocalFilePath).length();
    }