* Receives the value of the ODFDOM attribute representation <code>TextLineNumberAttribute</code> , See {@odf.attribute text:line-number}
*
* @return - the <code>Integer</code> , the value or <code>null</code>, if the attribute is not set and no default value defined.
*/
public Integer getTextLineNumberAttribute() {
TextLineNumberAttribute attr = (TextLineNumberAttribute) getOdfAttribute(OdfDocumentNamespace.TEXT, "line-number");
if (attr != null) {
return Integer.valueOf(attr.intValue());
}
return null;
}