TextSpanElement spanElement = ((OdfFileDom) odfElement.getOwnerDocument()).newOdfElement(TextSpanElement.class);
odfElement.appendChild(spanElement);
dateElement = spanElement.newTextDateElement();
OdfNumberDateStyle dateStyle = newDateStyle();
String dateStyleName = dateStyle.getStyleNameAttribute();
dateStyle.buildFromFormat(DEFAULT_DATE_FORMAT);
dateStyle.setStyleNameAttribute(dateStyleName);
dateElement.setStyleDataStyleNameAttribute(dateStyle.getStyleNameAttribute());
Calendar calender = Calendar.getInstance();
SimpleDateFormat simpleFormat = new SimpleDateFormat(DEFAULT_DATE_VALUE_FORMAT);
Date date = calender.getTime();