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Use GetBucketEncryption with an AWS SDK

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Use GetBucketEncryption with an AWS SDK - Amazon Simple Storage Service
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The following code example shows how to use GetBucketEncryption.

Java
SDK for Java 2.x
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

Get the encryption configuration of a directory bucket.

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.GetBucketEncryptionRequest; import software.amazon.awssdk.services.s3.model.GetBucketEncryptionResponse; import software.amazon.awssdk.services.s3.model.S3Exception; import software.amazon.awssdk.services.s3.model.ServerSideEncryptionRule; import static com.example.s3.util.S3DirectoryBucketUtils.createDirectoryBucket; import static com.example.s3.util.S3DirectoryBucketUtils.createS3Client; import static com.example.s3.util.S3DirectoryBucketUtils.deleteDirectoryBucket; /** * Retrieves the encryption configuration for an S3 directory bucket. * * @param s3Client The S3 client used to interact with S3 * @param bucketName The name of the directory bucket * @return The type of server-side encryption applied to the bucket (e.g., * AES256, aws:kms) */ public static String getDirectoryBucketEncryption(S3Client s3Client, String bucketName) { try { // Create a GetBucketEncryptionRequest GetBucketEncryptionRequest getRequest = GetBucketEncryptionRequest.builder() .bucket(bucketName) .build(); // Retrieve the bucket encryption configuration GetBucketEncryptionResponse response = s3Client.getBucketEncryption(getRequest); ServerSideEncryptionRule rule = response.serverSideEncryptionConfiguration().rules().get(0); String encryptionType = rule.applyServerSideEncryptionByDefault().sseAlgorithmAsString(); logger.info("Bucket encryption algorithm: {}", encryptionType); logger.info("KMS Customer Managed Key ID: {}", rule.applyServerSideEncryptionByDefault().kmsMasterKeyID()); logger.info("Bucket Key Enabled: {}", rule.bucketKeyEnabled()); return encryptionType; } catch (S3Exception e) { logger.error("Failed to get bucket encryption: {} - Error code: {}", e.awsErrorDetails().errorMessage(), e.awsErrorDetails().errorCode(), e); throw e; } }
SDK for Java 2.x
Note

There's more on GitHub. Find the complete example and learn how to set up and run in the AWS Code Examples Repository.

Get the encryption configuration of a directory bucket.

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.GetBucketEncryptionRequest; import software.amazon.awssdk.services.s3.model.GetBucketEncryptionResponse; import software.amazon.awssdk.services.s3.model.S3Exception; import software.amazon.awssdk.services.s3.model.ServerSideEncryptionRule; import static com.example.s3.util.S3DirectoryBucketUtils.createDirectoryBucket; import static com.example.s3.util.S3DirectoryBucketUtils.createS3Client; import static com.example.s3.util.S3DirectoryBucketUtils.deleteDirectoryBucket; /** * Retrieves the encryption configuration for an S3 directory bucket. * * @param s3Client The S3 client used to interact with S3 * @param bucketName The name of the directory bucket * @return The type of server-side encryption applied to the bucket (e.g., * AES256, aws:kms) */ public static String getDirectoryBucketEncryption(S3Client s3Client, String bucketName) { try { // Create a GetBucketEncryptionRequest GetBucketEncryptionRequest getRequest = GetBucketEncryptionRequest.builder() .bucket(bucketName) .build(); // Retrieve the bucket encryption configuration GetBucketEncryptionResponse response = s3Client.getBucketEncryption(getRequest); ServerSideEncryptionRule rule = response.serverSideEncryptionConfiguration().rules().get(0); String encryptionType = rule.applyServerSideEncryptionByDefault().sseAlgorithmAsString(); logger.info("Bucket encryption algorithm: {}", encryptionType); logger.info("KMS Customer Managed Key ID: {}", rule.applyServerSideEncryptionByDefault().kmsMasterKeyID()); logger.info("Bucket Key Enabled: {}", rule.bucketKeyEnabled()); return encryptionType; } catch (S3Exception e) { logger.error("Failed to get bucket encryption: {} - Error code: {}", e.awsErrorDetails().errorMessage(), e.awsErrorDetails().errorCode(), e); throw e; } }

For a complete list of AWS SDK developer guides and code examples, see Developing with Amazon S3 using the AWS SDKs. This topic also includes information about getting started and details about previous SDK versions.

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