

Weitere AWS SDK-Beispiele sind im GitHub Repo [AWS Doc SDK Examples](https://github.com/awsdocs/aws-doc-sdk-examples) verfügbar.

Die vorliegende Übersetzung wurde maschinell erstellt. Im Falle eines Konflikts oder eines Widerspruchs zwischen dieser übersetzten Fassung und der englischen Fassung (einschließlich infolge von Verzögerungen bei der Übersetzung) ist die englische Fassung maßgeblich.

# `UploadPart`Mit einem AWS SDK verwenden
<a name="s3-directory-buckets_example_s3-directory-buckets_UploadPart_section"></a>

Das folgende Codebeispiel zeigt, wie es verwendet wird`UploadPart`.

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#### [ Java ]

**SDK für Java 2.x**  
 Es gibt noch mehr dazu GitHub. Hier finden Sie das vollständige Beispiel und erfahren, wie Sie das [AWS -Code-Beispiel-](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/s3/src/main/java/com/example/s3/directorybucket#code-examples) einrichten und ausführen. 
Laden Sie einen Teil eines mehrteiligen Uploads in einen Verzeichnis-Bucket hoch.  

```
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import software.amazon.awssdk.core.sync.RequestBody;
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.S3Exception;
import software.amazon.awssdk.services.s3.model.UploadPartRequest;
import software.amazon.awssdk.services.s3.model.UploadPartResponse;

import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
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.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;

    /**
     * This method creates part requests and uploads individual parts to S3.
     * While it uses the UploadPart API to upload a single part, it does so
     * sequentially to handle multiple parts of a file, returning all the completed
     * 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
     * @param uploadId   The upload ID used to track the multipart upload
     * @param filePath   The path to the file to be uploaded
     * @return A list of uploaded parts
     * @throws IOException if an I/O error occurs
     */
    public static List<CompletedPart> multipartUploadForDirectoryBucket(S3Client s3Client, String bucketName,
            String objectKey, String uploadId, Path filePath) throws IOException {
        logger.info("Uploading parts for object: {} in bucket: {}", objectKey, bucketName);

        int partNumber = 1;
        List<CompletedPart> uploadedParts = new ArrayList<>();
        ByteBuffer bb = ByteBuffer.allocate(1024 * 1024 * 5); // 5 MB byte buffer

        // Read the local file, break down into chunks and process
        try (RandomAccessFile file = new RandomAccessFile(filePath.toFile(), "r")) {
            long fileSize = file.length();
            int position = 0;

            // Sequentially upload parts of the file
            while (position < fileSize) {
                file.seek(position);
                int read = file.getChannel().read(bb);

                bb.flip(); // Swap position and limit before reading from the buffer
                UploadPartRequest uploadPartRequest = UploadPartRequest.builder()
                        .bucket(bucketName)
                        .key(objectKey)
                        .uploadId(uploadId)
                        .partNumber(partNumber)
                        .build();

                UploadPartResponse partResponse = s3Client.uploadPart(
                        uploadPartRequest,
                        RequestBody.fromByteBuffer(bb));

                // Build the uploaded part
                CompletedPart uploadedPart = CompletedPart.builder()
                        .partNumber(partNumber)
                        .eTag(partResponse.eTag())
                        .build();

                // Add the uploaded part to the list
                uploadedParts.add(uploadedPart);

                // Log to indicate the part upload is done
                logger.info("Uploaded part number: {} with ETag: {}", partNumber, partResponse.eTag());

                bb.clear();
                position += read;
                partNumber++;
            }
        } catch (S3Exception e) {
            logger.error("Failed to list parts: {} - Error code: {}", e.awsErrorDetails().errorMessage(),
                    e.awsErrorDetails().errorCode());
            throw e;
        }
        return uploadedParts;
    }
```
+  Einzelheiten zur API finden Sie [UploadPart](https://docs.aws.amazon.com/goto/SdkForJavaV2/s3-2006-03-01/UploadPart)in der *AWS SDK for Java 2.x API-Referenz*. 

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