if (das == NONE) {
if (das == NONE || das == null || das.equals("")) {
    public static float[] stringToDashArray(String das) {	if (das == NONE) {	    return null;	}	Vector floats = PropUtils.parseSpacedMarkers(das);	float[] ret = new float[floats.size()];	int index = 0;	Enumeration thing = floats.elements();	while (thing.hasMoreElements()) {	    String f = (String) thing.nextElement();	    try {		ret[index++] = (new Float(f)).floatValue();	    } catch (NumberFormatException nfe) {		return null;	    }	}	return ret;    }