if(cellXfs != null) xfs.addAll(Arrays.asList(cellXfs.getXfArray()));
CTCellStyleXfs cellStyleXfs = doc.getStyleSheet().getCellStyleXfs();
if(cellStyleXfs != null) styleXfs.addAll(Arrays.asList(cellStyleXfs.getXfArray()));
CTDxfs styleDxfs = doc.getStyleSheet().getDxfs();
if(styleDxfs != null) dxfs.addAll(Arrays.asList(styleDxfs.getDxfArray()));
} catch (XmlException e) {
throw new IOException(e.getLocalizedMessage());
}
}