CreateMultipartUpload 搭配 使用 AWS SDK - AWS SDK 程式碼範例

文件範例儲存庫中有更多 AWS SDK可用的AWS SDK範例 GitHub 。

本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

CreateMultipartUpload 搭配 使用 AWS SDK

下列程式碼範例示範如何使用 CreateMultipartUpload。

Java
SDK 適用於 Java 2.x
注意

還有更多功能 GitHub。尋找完整範例，並了解如何在 AWS 程式碼範例儲存庫中設定和執行。

在目錄儲存貯體中建立分段上傳。

import com.example.s3.util.S3DirectoryBucketUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.CreateMultipartUploadRequest;
import software.amazon.awssdk.services.s3.model.CreateMultipartUploadResponse;
import software.amazon.awssdk.services.s3.model.S3Exception;

import static com.example.s3.util.S3DirectoryBucketUtils.createDirectoryBucket;
import static com.example.s3.util.S3DirectoryBucketUtils.createS3Client;
import static com.example.s3.util.S3DirectoryBucketUtils.deleteDirectoryBucket;

    /**
     * This method creates a multipart upload request that generates a unique upload
     * ID used to track
     * all the upload parts.
     *
     * @param s3Client   The S3 client used to interact with S3
     * @param bucketName The name of the directory bucket
     * @param objectKey  The key (name) of the object to be uploaded
     * @return The upload ID used to track the multipart upload
     */
    public static String createDirectoryBucketMultipartUpload(S3Client s3Client, String bucketName, String objectKey) {
        logger.info("Creating multipart upload for object: {} in bucket: {}", objectKey, bucketName);

        try {
            // Create a CreateMultipartUploadRequest
            CreateMultipartUploadRequest createMultipartUploadRequest = CreateMultipartUploadRequest.builder()
                    .bucket(bucketName)
                    .key(objectKey)
                    .build();

            // Initiate the multipart upload
            CreateMultipartUploadResponse response = s3Client.createMultipartUpload(createMultipartUploadRequest);
            String uploadId = response.uploadId();
            logger.info("Multipart upload initiated. Upload ID: {}", uploadId);
            return uploadId;

        } catch (S3Exception e) {
            logger.error("Failed to create multipart upload: {} - Error code: {}", e.awsErrorDetails().errorMessage(),
                    e.awsErrorDetails().errorCode(), e);
            throw e;
        }
    }