private static String getChartIdFromChildNodeAttributes ( final NamedNodeMap attrs ) { for ( int j = 0 ; j < attrs . getLength ( ) ; j ++ ) { Attr attribute = ( Attr ) attrs . item ( j ) ; if ( "r:id" . equalsIgnoreCase ( attribute . getName ( ) ) ) { return attribute . getValue ( ) ; } } return null ; }
Gets the chart id from child node attributes .