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通过第三方URL拉取文件上传(Java)

最近更新时间:2025-04-25 15:43:03

public void putObjectFetch() {
    // 初始化 Ks3Client,参见“初始化”文档
    Ks3Client ks3Client = initKs3Client();

    try {
        // 设置 bucket、文件名以及源文件地址
        PutObjectFetchRequest request = new PutObjectFetchRequest("<your-bucket>", "<object-key>", "<source-url>");
        // 设置 ACL
        request.setCannedAcl(CannedAccessControlList.Private);
        // base64 加密 MD5 信息,128位,用于对象完整性校验
        request.setMd5Base64("<source-file-md5>");
        ObjectMetadata metadata = new ObjectMetadata();
        // 设置文件的元数据
        request.setObjectMeta(metadata);
        // 设置回调,fetchObject是异步操作,不会马上感知是否成功,需要指定上传成功或失败时的回调URL
        request.setCallbackUrl("<callback-url>");
        Ks3Result result = ks3Client.putObjectFetch(request);
        System.out.println("Request id: " + result.getRequestId());
    } catch (Ks3ServiceException e) {
        System.out.println("Ks3ServiceException occurred, which means the request was made to KS3, but KS3 returned an error response for some reason.");
        System.out.println("Error Message: " + e.getErrorMessage());
        System.out.println("Error Code: " + e.getErrorCode());
        System.out.println("Request ID: " + e.getRequestId());
    } catch (Ks3ClientException e) {
        System.out.println("Ks3ClientException occurred, which means the client encountered an internal error while trying to communicate with KS3.");
        System.out.println("Error Message: " + e.getMessage());
    } finally {
        // 不再使用时,关闭 Ks3Client
        ks3Client.shutdown();
    }
}

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