Java -在亚马逊网络服务S3存储桶中直接将word转换为pdf，而无需在本地下载

import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.GetObjectRequest;
import com.amazonaws.services.s3.model.PutObjectRequest;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

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

public class WordToPdfConverter {
    private static final String ACCESS_KEY = "your-access-key";
    private static final String SECRET_KEY = "your-secret-key";
    private static final String BUCKET_NAME = "your-bucket-name";
    private static final String WORD_FILE_KEY = "your-word-file-key";
    private static final String PDF_FILE_KEY = "your-pdf-file-key";

    public static void main(String[] args) {
        // 配置AWS凭证
        BasicAWSCredentials credentials = new BasicAWSCredentials(ACCESS_KEY, SECRET_KEY);

        // 创建S3客户端
        AmazonS3 s3Client = AmazonS3ClientBuilder.standard()
                .withCredentials(new AWSStaticCredentialsProvider(credentials))
                .build();

        // 下载Word文档
        File wordFile = new File("word.docx");
        s3Client.getObject(new GetObjectRequest(BUCKET_NAME, WORD_FILE_KEY), wordFile);

        // 转换为PDF
        File pdfFile = new File("converted.pdf");
        convertToPdf(wordFile, pdfFile);

        // 上传PDF文件
        s3Client.putObject(new PutObjectRequest(BUCKET_NAME, PDF_FILE_KEY, pdfFile));
    }

    private static void convertToPdf(File wordFile, File pdfFile) {
        try (FileOutputStream fos = new FileOutputStream(pdfFile);
             XWPFDocument document = new XWPFDocument()) {
            // 读取Word文档内容
            XWPFParagraph paragraph = document.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.setText("Hello, World!");

            // 保存为PDF文件
            document.write(fos);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}