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/*
* MinIO Java SDK for Amazon S3 Compatible Cloud Storage, (C) 2017 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 com.google.common.io.ByteStreams;
import io.minio.GetObjectArgs;
import io.minio.MinioClient;
import io.minio.StatObjectArgs;
import io.minio.StatObjectResponse;
import io.minio.errors.MinioException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
public class GetObjectProgressBar {
/** MinioClient.getObjectProgressBar() 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();
// Check whether the object exists using statObject(). If the object is not found,
// statObject() throws an exception. It means that the object exists when statObject()
// execution is successful.
// Get object stat information.
StatObjectResponse stat =
minioClient.statObject(
StatObjectArgs.builder()
.bucket("testbucket")
.object("resumes/4.original.pdf")
.build());
// Get input stream to have content of 'my-objectname' from 'my-bucketname'
InputStream is =
new ProgressStream(
"Downloading .. ",
stat.size(),
minioClient.getObject(
GetObjectArgs.builder().bucket("my-bucketname").object("my-objectname").build()));
Path path = Paths.get("my-filename");
OutputStream os = Files.newOutputStream(path, StandardOpenOption.CREATE);
long bytesWritten = ByteStreams.copy(is, os);
is.close();
os.close();
if (bytesWritten != stat.size()) {
throw new IOException(
path
+ ": unexpected data written. expected = "
+ stat.size()
+ ", written = "
+ bytesWritten);
}
} catch (MinioException e) {
System.out.println("Error occurred: " + e);
}
}
}