S3Client و S3Presigner را جدا بسازید

(cd examples/java && mvn -q compile)

examples/java/
├── .env                # پس از کپی‌کردن فایل نمونه ساخته می‌شود
├── pom.xml             # وابستگی‌های Maven
└── src/main/java/com/parspack/examples/ParspackS3.java

cp examples/.env.example examples/java/.env

PARSPACK_S3_ENDPOINT=https://c123456.parspack.net
PARSPACK_S3_BUCKET=c123456
PARSPACK_S3_REGION=us-east-1
PARSPACK_S3_ACCESS_KEY=YOUR_ACCESS_KEY
PARSPACK_S3_SECRET_KEY=YOUR_SECRET_KEY

String endpoint = required(env, "PARSPACK_S3_ENDPOINT").replaceAll("/+$", "");

S3Configuration serviceConfig = S3Configuration.builder()
  .pathStyleAccessEnabled(true)
  .build();

S3Client s3 = S3Client.builder()
  .endpointOverride(URI.create(endpoint))
  .region(Region.of(region))
  .credentialsProvider(credentials)
  .serviceConfiguration(serviceConfig)
  .httpClientBuilder(UrlConnectionHttpClient.builder())
  .build();

S3Presigner presigner = S3Presigner.builder()
  .endpointOverride(URI.create(endpoint))
  .region(Region.of(region))
  .credentialsProvider(credentials)
  .serviceConfiguration(serviceConfig)
  .build();

Path localFile = Path.of("./hello.txt");
String contentType = Files.probeContentType(localFile);
if (contentType == null) {
  contentType = "application/octet-stream";
}

PutObjectResponse response = s3.putObject(
  PutObjectRequest.builder()
      .bucket(bucket)
      .key("tutorial/hello.txt")
      .contentType(contentType)
      .build(),
  RequestBody.fromFile(localFile)
);

System.out.println(response.eTag());

(cd examples/java && mvn -q exec:java -Dexec.args="upload ../../hello.txt tutorial/hello.txt")

ListObjectsV2Iterable pages = s3.listObjectsV2Paginator(
  ListObjectsV2Request.builder()
      .bucket(bucket)
      .prefix("tutorial/")
      .build()
);

for (ListObjectsV2Response page : pages) {
  page.contents().forEach(object ->
      System.out.println(object.key() + " — " + object.size())
  );
}

(cd examples/java && mvn -q exec:java -Dexec.args="list tutorial/")

HeadObjectResponse info = s3.headObject(
  HeadObjectRequest.builder()
      .bucket(bucket)
      .key("tutorial/hello.txt")
      .build()
);

System.out.println(info.contentLength());
System.out.println(info.contentType());

(cd examples/java && mvn -q exec:java -Dexec.args="head tutorial/hello.txt")

s3.getObject(
  GetObjectRequest.builder()
      .bucket(bucket)
      .key("tutorial/hello.txt")
      .build(),
  ResponseTransformer.toFile(Path.of("./downloads/hello.txt"))
);

(cd examples/java && mvn -q exec:java -Dexec.args="download tutorial/hello.txt ../../downloads/hello.txt")

PresignedGetObjectRequest download = presigner.presignGetObject(
  GetObjectPresignRequest.builder()
      .signatureDuration(Duration.ofMinutes(15))
      .getObjectRequest(r -> r.bucket(bucket).key(objectKey))
      .build()
);

String downloadUrl = download.url().toString();

(cd examples/java && mvn -q exec:java -Dexec.args="presign-get tutorial/hello.txt 900")

curl --output invoice.pdf "$SIGNED_DOWNLOAD_URL"

String contentType = "text/plain";

PresignedPutObjectRequest upload = presigner.presignPutObject(
  PutObjectPresignRequest.builder()
      .signatureDuration(Duration.ofMinutes(15))
      .putObjectRequest(r -> r.bucket(bucket).key(objectKey).contentType(contentType))
      .build()
);

String uploadUrl = upload.url().toString();

(cd examples/java && mvn -q exec:java -Dexec.args="presign-put tutorial/upload.txt text/plain 900")

curl --request PUT \
--header 'Content-Type: text/plain' \
--upload-file ./hello.txt \
"$SIGNED_UPLOAD_URL"

await fetch(signed.url, {
method: "PUT",
headers: { "Content-Type": signed.headers["Content-Type"] },
body: file,
});

s3.deleteObject(
  DeleteObjectRequest.builder()
      .bucket(bucket)
      .key("tutorial/hello.txt")
      .build()
);

(cd examples/java && mvn -q exec:java -Dexec.args="delete tutorial/hello.txt")

} catch (Exception error) {
  System.err.println(error.getClass().getSimpleName() + ": " + error.getMessage());
  System.exit(1);
}

(cd examples/java && mvn -q compile)
cp examples/.env.example examples/java/.env

# مقدارهای .env را کامل کنید
printf 'hello ParsPack\n' > hello.txt
(cd examples/java && mvn -q exec:java -Dexec.args="upload ../../hello.txt tutorial/hello.txt")
(cd examples/java && mvn -q exec:java -Dexec.args="list tutorial/")
(cd examples/java && mvn -q exec:java -Dexec.args="head tutorial/hello.txt")
(cd examples/java && mvn -q exec:java -Dexec.args="download tutorial/hello.txt ../../downloads/hello.txt")
(cd examples/java && mvn -q exec:java -Dexec.args="presign-get tutorial/hello.txt 900")
(cd examples/java && mvn -q exec:java -Dexec.args="presign-put tutorial/upload.txt text/plain 900")
(cd examples/java && mvn -q exec:java -Dexec.args="delete tutorial/hello.txt")