Doc AWS SDK 예제 GitHub 리포지토리에서 더 많은 SDK 예제를 사용할 수 있습니다. [AWS](https://github.com/awsdocs/aws-doc-sdk-examples) 

기계 번역으로 제공되는 번역입니다. 제공된 번역과 원본 영어의 내용이 상충하는 경우에는 영어 버전이 우선합니다.

# AWS SDK와 `UploadPartCopy` 함께 사용
<a name="s3-directory-buckets_example_s3-directory-buckets_UploadPartCopy_section"></a>

다음 코드 예시는 `UploadPartCopy`의 사용 방법을 보여 줍니다.

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#### [ Java ]

**SDK for Java 2.x**  
 GitHub에 더 많은 내용이 있습니다. [AWS 코드 예 리포지토리](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/s3/src/main/java/com/example/s3/directorybucket#code-examples)에서 전체 예를 찾고 설정 및 실행하는 방법을 배워보세요.
소스 객체 크기를 기반으로 복사할 부분을 나눈 다음 각 부분을 디렉터리 버킷에 복사합니다.  

```
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.CompletedPart;
import software.amazon.awssdk.services.s3.model.HeadObjectRequest;
import software.amazon.awssdk.services.s3.model.HeadObjectResponse;
import software.amazon.awssdk.services.s3.model.S3Exception;
import software.amazon.awssdk.services.s3.model.UploadPartCopyRequest;
import software.amazon.awssdk.services.s3.model.UploadPartCopyResponse;

import java.io.IOException;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;

import static com.example.s3.util.S3DirectoryBucketUtils.abortDirectoryBucketMultipartUploads;
import static com.example.s3.util.S3DirectoryBucketUtils.completeDirectoryBucketMultipartUpload;
import static com.example.s3.util.S3DirectoryBucketUtils.createDirectoryBucket;
import static com.example.s3.util.S3DirectoryBucketUtils.createDirectoryBucketMultipartUpload;
import static com.example.s3.util.S3DirectoryBucketUtils.createS3Client;
import static com.example.s3.util.S3DirectoryBucketUtils.deleteAllObjectsInDirectoryBucket;
import static com.example.s3.util.S3DirectoryBucketUtils.deleteDirectoryBucket;
import static com.example.s3.util.S3DirectoryBucketUtils.getFilePath;
import static com.example.s3.util.S3DirectoryBucketUtils.multipartUploadForDirectoryBucket;

    /**
     * Creates copy parts based on source object size and copies over individual
     * parts.
     *
     * @param s3Client          The S3 client used to interact with S3
     * @param sourceBucket      The name of the source bucket
     * @param sourceKey         The key (name) of the source object
     * @param destinationBucket The name of the destination bucket
     * @param destinationKey    The key (name) of the destination object
     * @param uploadId          The upload ID used to track the multipart upload
     * @return A list of completed parts
     */
    public static List<CompletedPart> multipartUploadCopyForDirectoryBucket(S3Client s3Client, String sourceBucket,
            String sourceKey, String destinationBucket, String destinationKey, String uploadId) {
        // Get the object size to track the end of the copy operation
        HeadObjectRequest headObjectRequest = HeadObjectRequest.builder()
                .bucket(sourceBucket)
                .key(sourceKey)
                .build();
        HeadObjectResponse headObjectResponse = s3Client.headObject(headObjectRequest);
        long objectSize = headObjectResponse.contentLength();

        logger.info("Source Object size: {}", objectSize);

        // Copy the object using 20 MB parts
        long partSize = 20 * 1024 * 1024; // 20 MB
        long bytePosition = 0;
        int partNum = 1;
        List<CompletedPart> uploadedParts = new ArrayList<>();

        while (bytePosition < objectSize) {
            long lastByte = Math.min(bytePosition + partSize - 1, objectSize - 1);
            logger.info("Part Number: {}, Byte Position: {}, Last Byte: {}", partNum, bytePosition, lastByte);

            try {
                UploadPartCopyRequest uploadPartCopyRequest = UploadPartCopyRequest.builder()
                        .sourceBucket(sourceBucket)
                        .sourceKey(sourceKey)
                        .destinationBucket(destinationBucket)
                        .destinationKey(destinationKey)
                        .uploadId(uploadId)
                        .copySourceRange("bytes=" + bytePosition + "-" + lastByte)
                        .partNumber(partNum)
                        .build();
                UploadPartCopyResponse uploadPartCopyResponse = s3Client.uploadPartCopy(uploadPartCopyRequest);

                CompletedPart part = CompletedPart.builder()
                        .partNumber(partNum)
                        .eTag(uploadPartCopyResponse.copyPartResult().eTag())
                        .build();
                uploadedParts.add(part);

                bytePosition += partSize;
                partNum++;
            } catch (S3Exception e) {
                logger.error("Failed to copy part number {}: {} - Error code: {}", partNum,
                        e.awsErrorDetails().errorMessage(), e.awsErrorDetails().errorCode());
                throw e;
            }
        }

        return uploadedParts;
    }
```
+  API 세부 정보는 *AWS SDK for Java 2.x API 참조*의 [UploadPartCopy](https://docs.aws.amazon.com/goto/SdkForJavaV2/s3-2006-03-01/UploadPartCopy)를 참조하세요.

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