String confGroup = (String) RequestUtils.getFromRequest(DataTablesDialect.INTERNAL_CONF_GROUP, request);
HtmlTable newHtmlTable = new HtmlTable(tableId, request, response, confGroup);
// Add a default header row
newHtmlTable.addHeaderRow();
// Store the htmlTable POJO as a request attribute, so that all the
// others following HTML tags can access it and particularly the
// "finalizing div"
RequestUtils.storeInRequest(DataTablesDialect.INTERNAL_BEAN_TABLE, newHtmlTable, request);