Provide way to retrieve VirtualFile instance from url.openConnection()

    private static Object findVirtualFile( URL url ) throws IOException {
        URLConnection urlConnection = url.openConnection();
        try {
            if ( urlConnection.getClass().getName().equals( "org.jboss.vfs.protocol.VirtualFileURLConnection" ) ) {
                Field f = urlConnection.getClass().getDeclaredField( "file" );
                f.setAccessible( true );
                return f.get( urlConnection );
            }
        } catch (NoSuchFieldException | IllegalAccessException e) {
            // ignored
        }
        return urlConnection.getContent();
    }