closeSheet();
}
if (sheet == null)
{
SheetPropertyCollector collector = new SheetPropertyCollector();
String sheetName = collector.compute(band);
sheet = openSheet(sheetName);
configureSheetColumnWidths(sheet, sheetLayout, sheetLayout.getColumnCount());
configureSheetPaperSize(sheet, new PhysicalPageBox(pageDefinition.getPageFormat(0), 0, 0));
configureSheetProperties(sheet, collector);
}