GENERIC DROP DOWN WITH SXSSFWorkbook

 

Workbook workbook = new SXSSFWorkbook(200);

 

public static void createDropDown(String[] status, String defaultValue, Row row, int rowid, int cellid) {

Cell cell = row.createCell(cellid);
Sheet sheet = row.getSheet();
DataValidationHelper dvHelper = sheet.getDataValidationHelper();
XSSFDataValidationConstraint dvConstraint = (XSSFDataValidationConstraint) dvHelper.createExplicitListConstraint(status);
CellRangeAddressList addressList = new CellRangeAddressList(rowid, rowid, cellid, cellid);
XSSFDataValidation validation= (XSSFDataValidation) dvHelper.createValidation(dvConstraint, addressList);
validation.createErrorBox(ERROR_MESSSAGE, INVALID_DATA);
validation.setShowErrorBox(true);
sheet.addValidationData(validation);
sheet.getRow(rowid).getCell(cellid).setCellValue(defaultValue);
}

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