Excel AutoFilter in Java

Following example shows how to filter rows in a specific cell range of an Excel worksheet with Java.

Filtered rows are hidden in all output file formats. Active AutoFilter is written only to XLSX file format.

Screenshot of Excel AutoFilter applied with GemBox.Spreadsheet for Java
Excel AutoFilter applied with GemBox.Spreadsheet for Java
import com.gembox.spreadsheet.*;

import java.time.LocalDateTime;
import java.util.Random;

class Program {

    public static void main(String[] args) throws java.io.IOException {
        // If using Professional version, put your serial key below.
        SpreadsheetInfo.setLicense("FREE-LIMITED-KEY");

        ExcelFile workbook = new ExcelFile();
        ExcelWorksheet worksheet = workbook.addWorksheet("Filtering");

        int rowCount = %RowCount%;

        // Specify sheet formatting.
        worksheet.getRow(0).getStyle().getFont().setWeight(ExcelFont.BOLD_WEIGHT);
        worksheet.getColumn(0).setWidth(3, LengthUnit.CENTIMETER);
        worksheet.getColumn(1).setWidth(3, LengthUnit.CENTIMETER);
        worksheet.getColumn(2).setWidth(3, LengthUnit.CENTIMETER);
        worksheet.getColumn(2).getStyle().setNumberFormat("[$$-409]#,##0.00");
        worksheet.getColumn(3).setWidth(3, LengthUnit.CENTIMETER);
        worksheet.getColumn(3).getStyle().setNumberFormat("yyyy-mm-dd");

        CellRange cells = worksheet.getCells();

        // Specify header row.
        cells.get(0, 0).setValue("Departments");
        cells.get(0, 1).setValue("Names");
        cells.get(0, 2).setValue("Salaries");
        cells.get(0, 3).setValue("Deadlines");

        // Insert random data to sheet.
        Random random = new Random();
        String[] departments = new String[] { "Legal", "Marketing", "Finance", "Planning", "Purchasing" };
        String[] names = new String[] { "John Doe", "Fred Nurk", "Hans Meier", "Ivan Horvat" };
        for (int i = 0; i < rowCount; ++i) {
            cells.get(i + 1, 0).setValue(departments[random.nextInt(departments.length)]);
            cells.get(i + 1, 1).setValue(names[random.nextInt(names.length)] + ' ' + (i + 1));
            cells.get(i + 1, 2).setValue((random.nextInt(91) + 10) * 100);
            cells.get(i + 1, 3).setValue(LocalDateTime.now().plusDays(random.nextInt(3) - 1));
        }

        // Specify range which will be filtered.
        CellRange filterRange = worksheet.getCells().getSubrangeAbsolute(0, 0, rowCount, 3);

        // Show only rows which satisfy following conditions:
        // - 'Departments' value is either "Legal" or "Marketing" or "Finance" and
        // - 'Names' value contains letter 'e' and
        // - 'Salaries' value is in the top 20 percent of all 'Salaries' values and
        // - 'Deadlines' value is today's date.
        // Shown rows are then sorted by 'Salaries' values in the descending order.
        filterRange.filter().
                byValues(0, "Legal", "Marketing", "Finance").
                byCustom(1, FilterOperator.EQUAL, "*e*").
                byTop10(2, true, true, 20).
                byDynamic(3, DynamicFilterType.TODAY).
                sortBy(2, true).
                apply();

        workbook.save("Filtering.%OutputFileType%");
    }
}

Check next example or download examples from GitHub.