class HttpContextUtils {

	public static HttpServletRequest getHttpServletRequest() {
		return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
	}

	public static String getDomain(){<FILL_FUNCTION_BODY>}

	public static String getOrigin(){
		HttpServletRequest request = getHttpServletRequest();
		return request.getHeader("Origin");
	}
}

		HttpServletRequest request = getHttpServletRequest();
		StringBuffer url = request.getRequestURL();
		return url.delete(url.length() - request.getRequestURI().length(), url.length()).toString();
	
<no_super_class>