Excel File Properties

Following example demonstrates how to read and write Excel file's Document Properties like Title, Author, Comments, etc.

Screenshot of Excel file properties set with GemBox.Spreadsheet for Java
Excel file properties set with GemBox.Spreadsheet for Java
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import com.gembox.spreadsheet.*;
import java.util.Map;

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 = ExcelFile.load("%InputFileName%");

        // Add Sheet
        ExcelWorksheet worksheet = workbook.getWorksheets().insertEmpty(0, "Document Properties");
        workbook.getWorksheets().setActiveWorksheet(worksheet);

        int rowIndex = 0;
        // Read Built-in Document Properties
        worksheet.getCell(rowIndex++, 0).setValue("Built-in document properties");

        worksheet.getCell(rowIndex, 0).setValue("Property");
        worksheet.getCell(rowIndex++, 1).setValue("Value");

        for (Map.Entry<BuiltInDocumentProperties, String> keyValue : workbook.getDocumentProperties().getBuiltIn().entrySet()) {
            worksheet.getCell(rowIndex, 0).setValue(keyValue.getKey().toString());
            worksheet.getCell(rowIndex++, 1).setValue(keyValue.getValue());
        }

        // Read Custom Document Properties
        worksheet.getCell(++rowIndex, 0).setValue("Custom Document Properties");

        worksheet.getCell(++rowIndex, 0).setValue("Property");
        worksheet.getCell(rowIndex++, 1).setValue("Value");

        // Custom document properties are not supported in XLS
        for (Map.Entry<String, Object> keyValue : workbook.getDocumentProperties().getCustom().entrySet()) {
            worksheet.getCell(rowIndex, 0).setValue(keyValue.getKey());
            worksheet.getCell(rowIndex++, 1).setValue(keyValue.getValue().toString());
        }

        // Write/Modify Document Properties
        workbook.getDocumentProperties().setBuiltIn(BuiltInDocumentProperties.AUTHOR, "John Doe");
        workbook.getDocumentProperties().setBuiltIn(BuiltInDocumentProperties.TITLE, "Generated title");

        worksheet.getColumn(0).setWidth(192, LengthUnit.PIXEL);
        worksheet.getColumn(1).setWidth(217, LengthUnit.PIXEL);

        workbook.save("Document Properties.%OutputFileType%");
    }
}

Check next example or download examples from GitHub.