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/*
* Minio Java SDK for Amazon S3 Compatible Cloud Storage, (C) 2019 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import io.minio.ComposeObjectArgs;
import io.minio.ComposeSource;
import io.minio.MinioClient;
import io.minio.ServerSideEncryption;
import io.minio.ServerSideEncryptionCustomerKey;
import io.minio.errors.MinioException;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import javax.crypto.spec.SecretKeySpec;
public class ComposeObject {
/** MinioClient.composeObject() example. */
public static void main(String[] args)
throws IOException, NoSuchAlgorithmException, InvalidKeyException {
try {
/* play.min.io for test and development. */
MinioClient minioClient =
MinioClient.builder()
.endpoint("https://play.min.io")
.credentials("Q3AM3UQ867SPQQA43P2F", "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG")
.build();
/* Amazon S3: */
// MinioClient minioClient =
// MinioClient.builder()
// .endpoint("https://s3.amazonaws.com")
// .credentials("YOUR-ACCESSKEY", "YOUR-SECRETACCESSKEY")
// .build();
{
// Create a ComposeSource to compose Object.
List<ComposeSource> sources = new ArrayList<ComposeSource>();
sources.add(
ComposeSource.builder()
.bucket("my-bucketname-one")
.object("my-objectname-one")
.build());
sources.add(
ComposeSource.builder()
.bucket("my-bucketname-two")
.object("my-objectname-two")
.build());
minioClient.composeObject(
ComposeObjectArgs.builder()
.bucket("my-destination-bucket")
.object("my-destination-object")
.sources(sources)
.build());
System.out.println("Object Composed successfully");
}
{
ServerSideEncryptionCustomerKey srcSsec =
new ServerSideEncryptionCustomerKey(
new SecretKeySpec(
"01234567890123456789012345678901".getBytes(StandardCharsets.UTF_8), "AES"));
ServerSideEncryption sse =
new ServerSideEncryptionCustomerKey(
new SecretKeySpec(
"12345678912345678912345678912345".getBytes(StandardCharsets.UTF_8), "AES"));
List<ComposeSource> sources = new ArrayList<ComposeSource>();
sources.add(
ComposeSource.builder()
.bucket("my-bucketname")
.object("my-objectname-one")
.ssec(srcSsec)
.build());
sources.add(
ComposeSource.builder()
.bucket("my-bucketname")
.object("my-objectname-two")
.ssec(srcSsec)
.build());
minioClient.composeObject(
ComposeObjectArgs.builder()
.bucket("my-destination-bucket")
.object("my-destination-object")
.sources(sources)
.sse(sse)
.build());
System.out.println("Object Composed successfully");
}
} catch (MinioException e) {
System.out.println("Error occurred: " + e);
}
}
}