String styleName = _cell.getStyleName();
if (styleName == null || "".equals( styleName )) {
styleName = DEFAULT_STYLE;
}
attributes.put( XMLConstants.Table.STYLE_NAME, styleName );
this.styles.add( new Style( styleName, StyleFamilies.TABLE_CELL ) );
if (_cell instanceof CellWithExpression) {
final ExpressionNode exp = ((CellWithExpression) _cell).getExpression();
attributes.put( XMLConstants.Table.FORMULA, ExpressionFormatter.format( exp, _cell.getCellIndex() ) );
}