/*
 * 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);
 }
 }
}