// send the correct format.
	http.TimeFormat,
	"Mon, 2 Jan 2006 15:04:05 GMT",
}

// ParseHeader parses http.TimeFormat with an acceptable
// extension for http.TimeFormat - return time might be zero
// if the timeStr is invalid.
func ParseHeader(timeStr string) (time.Time, error) {
	for _, dateFormat := range httpTimeFormats {
		t, err := time.Parse(dateFormat, timeStr)
		if err == nil {

             OutputStreamWriter outputStream = new OutputStreamWriter(new FileOutputStream(destination), outputEncoding)) {
            String html = renderer.render(parser.parseReader(inputStream));
            outputStream.write(html);
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
    }