public static ArrowConfiguration applyStyle(String arrowStyle, ArrowConfiguration config) {
		if (arrowStyle == null) {
			return config;
		}
		final StringTokenizer st = new StringTokenizer(arrowStyle, ",");
		while (st.hasMoreTokens()) {
			final String s = st.nextToken();
			if (s.equalsIgnoreCase("dashed")) {
				// link.goDashed();
			} else if (s.equalsIgnoreCase("bold")) {
				// link.goBold();
			} else if (s.equalsIgnoreCase("dotted")) {
				// link.goDotted();
			} else if (s.equalsIgnoreCase("hidden")) {
				// link.goHidden();
			} else {
				config = config.withColor(HtmlColorUtils.getColorIfValid(s));
			}
		}
		return config;
	}