* Receives the value of the ODFDOM attribute representation <code>NumberGroupingAttribute</code> , See {@odf.attribute number:grouping}
*
* @return - the <code>Boolean</code> , the value or <code>null</code>, if the attribute is not set and no default value defined.
*/
public Boolean getNumberGroupingAttribute() {
NumberGroupingAttribute attr = (NumberGroupingAttribute) getOdfAttribute(OdfDocumentNamespace.NUMBER, "grouping");
if (attr != null) {
return Boolean.valueOf(attr.booleanValue());
}
return Boolean.valueOf(NumberGroupingAttribute.DEFAULT_VALUE);
}