public void readFrom(InputStream is) throws IOException {
try {
TableDocument doc = TableDocument.Factory.parse(is);
ctTable = doc.getTable();
} catch (XmlException e) {
throw new IOException(e.getLocalizedMessage());
}
}
public void writeTo(OutputStream out) throws IOException {
TableDocument doc = TableDocument.Factory.newInstance();
doc.setTable(ctTable);
doc.save(out, DEFAULT_XML_OPTIONS);
}