Struts2 Загрузка нескольких файлов

При отправке этой формы вызывается действие uploadFile.

3. Напишите код для класса действий

Реализуйте класс действий Struts 2 в файле MultipleFilesUploadAction.java следующим образом:

package com.geekonjava.struts;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;

public class MultipleFilesUploadAction {
    private File[] fileUpload;
    private String[] fileUploadFileName;
    private String[] fileUploadContentType;

    /**
     * This is the path to save uploaded file, which is configured in struts.xml
     */
    private String saveDirectory;

    public String doUpload() {

        // copy the uploaded files into pre-configured location
        for (int i = 0; i < fileUpload.length; i++) {
            File uploadedFile = fileUpload[i];
            String fileName = fileUploadFileName[i];
            File destFile = new File(saveDirectory + File.separator + fileName);
            try {
                FileUtils.copyFile(uploadedFile, destFile);
            } catch (IOException ex) {
                System.out.println("Could not copy file " + fileName);
                ex.printStackTrace();
            }
        }

        return "success";
    }

    public File[] getFileUpload() {
        return fileUpload;
    }

    public void setFileUpload(File[] fileUploads) {
        this.fileUpload = fileUploads;
    }

    public String[] getFileUploadFileName() {
        return fileUploadFileName;
    }

    public void setFileUploadFileName(String[] fileUploadFileNames) {
        this.fileUploadFileName = fileUploadFileNames;
    }

    public String[] getFileUploadContentType() {
        return fileUploadContentType;
    }

    public void setFileUploadContentType(String[] fileUploadContentTypes) {
        this.fileUploadContentType = fileUploadContentTypes;
    }

    public String getSaveDirectory() {
        return saveDirectory;
    }

    public void setSaveDirectory(String saveDir) {
        this.saveDirectory = saveDir;
    }
}

private File[] fileUpload;
private String[] fileUploadFileName;
private String[] fileUploadContentType;