DeleteObjects 搭配 AWS SDK 使用

刪除目錄儲存貯體中的多個物件。

import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.Delete;
import software.amazon.awssdk.services.s3.model.DeleteObjectsRequest;
import software.amazon.awssdk.services.s3.model.DeleteObjectsResponse;
import software.amazon.awssdk.services.s3.model.ObjectIdentifier;
import software.amazon.awssdk.services.s3.model.S3Exception;

import java.net.URISyntaxException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

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


    /**
     * Deletes multiple objects from the specified S3 directory bucket.
     *
     * @param s3Client   The S3 client used to interact with S3
     * @param bucketName The name of the directory bucket
     * @param objectKeys The list of keys (names) of the objects to be deleted
     */
    public static void deleteDirectoryBucketObjects(S3Client s3Client, String bucketName, List<String> objectKeys) {
        logger.info("Deleting objects from bucket: {}", bucketName);

        try {
            // Create a list of ObjectIdentifier
            List<ObjectIdentifier> identifiers = objectKeys.stream()
                    .map(key -> ObjectIdentifier.builder().key(key).build())
                    .toList();

            // Create a Delete object
            Delete delete = Delete.builder()
                    .objects(identifiers)
                    .build();

            // Create a DeleteObjectsRequest
            DeleteObjectsRequest deleteObjectsRequest = DeleteObjectsRequest.builder()
                    .bucket(bucketName)
                    .delete(delete)
                    .build();

            // Delete the objects
            DeleteObjectsResponse deleteObjectsResponse = s3Client.deleteObjects(deleteObjectsRequest);
            deleteObjectsResponse.deleted().forEach(deleted -> logger.info("Deleted object: {}", deleted.key()));

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