将UploadedFile (primefaces)转换为FileObject (Apache Common)

import org.apache.commons.vfs2.*;
import org.primefaces.event.FileUploadEvent;
import org.primefaces.model.file.UploadedFile;

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

public class FileConverter {

    public static FileObject convertToApacheCommonsFileObject(UploadedFile uploadedFile) throws IOException {
        // 创建一个临时文件
        File tempFile = File.createTempFile("temp", uploadedFile.getFileName());
        try (FileOutputStream fos = new FileOutputStream(tempFile)) {
            fos.write(uploadedFile.getContent().readAllBytes());
        }

        // 使用 Apache Commons VFS 创建 FileObject
        String uri = "file://" + tempFile.getAbsolutePath();
        FileSystemManager fsManager = VFS.getManager();
        FileObject fileObject = fsManager.resolveFile(uri);

        return fileObject;
    }

    public static void main(String[] args) {
        // 假设你已经有一个 FileUploadEvent 对象
        FileUploadEvent event = new FileUploadEvent(null, null, new UploadedFile() {
            @Override
            public String getFileName() {
                return "example.txt";
            }

            @Override
            public byte[] getContent() {
                return "Hello, World!".getBytes();
            }

            // 其他方法需要实现，这里省略
        });

        try {
            FileObject fileObject = convertToApacheCommonsFileObject(event.getFile());
            System.out.println("FileObject created: " + fileObject.getName().getBaseName());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}