AWS Java SDK V1没有提供直接从S3智能分层深度归档存储访问和恢复对象的功能。但是,可以通过以下方法实现此操作:
在使用AmazonS3Client实例时,可以使用AmazonS3EncryptionClient类替换它,从而允许客户端读取S3 Intelligent-Tiering存储类别的对象。
以下是使用AmazonS3EncryptionClient类的代码示例:
import com.amazonaws.AmazonClientException;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.encryptionsdk.AwsCrypto;
import com.amazonaws.encryptionsdk.kms.KmsMasterKeyProvider;
import com.amazonaws.encryptionsdk.kms.KmsMasterKeyProviderBuilder;
import com.amazonaws.encryptionsdk.kms.KmsMasterKeyProviderBuilder.KeyProviderSpec;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3EncryptionClient;
import com.amazonaws.services.s3.AmazonS3EncryptionClientBuilder;
import com.amazonaws.services.s3.model.ObjectMetadata;
import com.amazonaws.services.s3.model.PutObjectResult;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
public class S3EncryptionExample {
private static final String BUCKET_NAME = "example-bucket";
private static final String OBJECT_KEY = "example-key";
private static final String AWS_ACCESS_KEY_ID = "AWS_ACCESS_KEY_ID";
private static final String AWS_SECRET_ACCESS_KEY = "AWS_SECRET_ACCESS_KEY";
public static void main(String[] args) {
AWSCredentials credentials = new BasicAWSCredentials(
System.getenv(AWS_ACCESS_KEY_ID),
System.getenv(AWS_SECRET_ACCESS_KEY)
);
KmsMasterKeyProvider keyProvider = new KmsMasterKeyProviderBuilder()
.withKeyIds("alias/example-key")
.buildStrict(KmsMasterKeyProviderBuilder.KeyProviderSpec.AWS_KMS);
AwsCrypto crypto = new AwsCrypto();
AmazonS3 s3Client = new AmazonS3EncryptionClientBuilder()
.withCredentials(credentials