如何在Mule3中将新的表格添加到已有的excel文件中

<dependencies>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi</artifactId>
        <version>3.17</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-ooxml</artifactId>
        <version>3.17</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi-ooxml-schemas</artifactId>
        <version>3.17</version>
    </dependency>
</dependencies>

import org.apache.poi.ss.usermodel.*;

public class ExcelUtils {
    public void addNewSheetToExistingExcel(String filePath, String sheetName, Object[][] data) {
        try {
            Workbook workbook = WorkbookFactory.create(new File(filePath));
            Sheet sheet = workbook.createSheet(sheetName);

            int rowNum = 0;
            for (Object[] rowData : data) {
                Row row = sheet.createRow(rowNum++);

                int cellNum = 0;
                for (Object value : rowData) {
                    Cell cell = row.createCell(cellNum++);
                    cell.setCellValue(value.toString());
                }
            }

            FileOutputStream outputStream = new FileOutputStream(filePath);
            workbook.write(outputStream);
            workbook.close();
            outputStream.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

<flow name="AddSheetToExcelFlow">
    <http:listener config-ref="HTTP_Listener_Configuration" path="/addSheetToExcel" doc:name="HTTP"/>

    <set-payload value="#[['Data 1', 'Data 2', 'Data 3'], ['Data 4', 'Data 5', 'Data 6']]" doc:name="Set Payload"/>

    <component class="com.example.ExcelUtils" doc:name="Java">
        <method-entry-point-resolver>
            <include-entry-point method="addNewSheetToExistingExcel"/>
        </method-entry-point-resolver>
    </component>
</flow>