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4 changes: 4 additions & 0 deletions CHANGELOG.md
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## Release (2025-MM-DD)
- `objectstorage`: [v0.1.0](services/objectstorage/CHANGELOG.md#v010)
- Initial onboarding of STACKIT Java SDK for Object storage service

## Release (2025-10-29)
- `core`:
- [v0.4.0](core/CHANGELOG.md#v040)
Expand Down
6 changes: 6 additions & 0 deletions examples/objectstorage/build.gradle
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dependencies {
implementation project (':services:objectstorage')
implementation 'com.squareup.okhttp3:okhttp:4.12.0'
}

ext.mainClassName = 'cloud.stackit.sdk.objectstorage.examples.ObjectStorageExample'
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package cloud.stackit.sdk.objectstorage.examples;

import cloud.stackit.sdk.core.KeyFlowAuthenticator;
import cloud.stackit.sdk.core.config.CoreConfiguration;
import cloud.stackit.sdk.core.exception.ApiException;
import cloud.stackit.sdk.objectstorage.api.ObjectStorageApi;
import cloud.stackit.sdk.objectstorage.model.*;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.time.Duration;
import java.time.OffsetDateTime;
import java.util.List;
import okhttp3.OkHttpClient;

@SuppressWarnings("PMD.CouplingBetweenObjects")
final class ObjectStorageExample {

private ObjectStorageExample() {}

@SuppressWarnings({
"PMD.CyclomaticComplexity",
"PMD.CognitiveComplexity",
"PMD.NPathComplexity",
"PMD.NcssCount",
"PMD.SystemPrintln",
"PMD.AvoidThrowingRawExceptionTypes"
})
public static void main(String[] args) throws IOException {
// Credentials are read from the credentialsFile in `~/.stackit/credentials.json` or the env
// STACKIT_SERVICE_ACCOUNT_KEY_PATH / STACKIT_SERVICE_ACCOUNT_KEY
CoreConfiguration configuration = new CoreConfiguration();

OkHttpClient httpClient = new OkHttpClient();
KeyFlowAuthenticator authenticator = new KeyFlowAuthenticator(httpClient, configuration);
httpClient =
httpClient
.newBuilder()
.authenticator(authenticator)
// The object storage requests are sychronous and may take a few seconds.
// To prevent an timeout, we increase the read timeout to 15 seconds
.readTimeout(Duration.ofSeconds(15))
.build();

ObjectStorageApi objectStorageApi = new ObjectStorageApi(httpClient);

// the id of your STACKIT project, read from env var for this example
String projectId = System.getenv("STACKIT_PROJECT_ID");
if (projectId == null || projectId.isEmpty()) {
System.err.println("Environment variable 'STACKIT_PROJECT_ID' not found.");
return;
}

// the region which should be used to interact with objectstorage
String region = "eu01";

try {
/*
* ///////////////////////////////////////////////////////
* // P R O J E C T E N A B L E M E N T //
* ///////////////////////////////////////////////////////
*/
/* check if object storage is enabled for the project */
ProjectStatus projectStatus;
System.out.println("Checking if object storage is enabled");
try {
projectStatus = objectStorageApi.getServiceStatus(projectId, region);
System.out.println("* Object storage is enabled");
} catch (ApiException e) {
// If response status is not found, object storage is not enabled for the
// project
if (e.getCode() == HttpURLConnection.HTTP_NOT_FOUND) {
System.out.println("* Object storage is not enabled for the project");
System.out.println("* Enabling object storage");
projectStatus = objectStorageApi.enableService(projectId, region);
System.out.println("* Object storage successful enabled for the project");
} else {
throw new RuntimeException(e);
}
}
ProjectScope scope = projectStatus.getScope();
System.out.println("* Scope of the object storage: " + scope);

/*
* ///////////////////////////////////////////////////////
* // B U C K E T S //
* ///////////////////////////////////////////////////////
* */

/* create a new bucket in the project */
System.out.println("\nCreating bucket");
CreateBucketResponse newBucket =
objectStorageApi.createBucket(projectId, region, "java-sdk-example");
System.out.println(" * Bucket name: " + newBucket.getBucket());
System.out.println(" * Project ID: " + newBucket.getProject());

/* list all available buckets in the project */
System.out.println("\nListing all buckets:");
ListBucketsResponse fetchedBuckets = objectStorageApi.listBuckets(projectId, region);
List<Bucket> listBuckets = fetchedBuckets.getBuckets();
for (Bucket bucket : listBuckets) {
System.out.println("*******************");
System.out.println("* Bucket name: " + bucket.getName());
System.out.println("* Virtual host: " + bucket.getUrlPathStyle());
}

/* deleting the bucket we just created */
System.out.println("\nDeleting bucket:");
DeleteBucketResponse deleteBucketResponse =
objectStorageApi.deleteBucket(projectId, region, newBucket.getBucket());
System.out.println("* Bucket name: " + deleteBucketResponse.getBucket());
System.out.println("* Bucket successfully deleted");

/*
* ///////////////////////////////////////////////////////
* // C R E D E N T I A L G R O U P //
* ///////////////////////////////////////////////////////
* */

/* creating a new credential group in the project */
System.out.println("\nCreating credential group:");
CreateCredentialsGroupResponse newCredentialGroup =
objectStorageApi.createCredentialsGroup(
projectId,
region,
new CreateCredentialsGroupPayload().displayName("java-sdk-example"));
System.out.println(
"* Group ID"
+ newCredentialGroup.getCredentialsGroup().getCredentialsGroupId());
System.out.println(
"* Display name" + newCredentialGroup.getCredentialsGroup().getDisplayName());
System.out.println("* URN" + newCredentialGroup.getCredentialsGroup().getUrn());

/* list all available credentials groups */
System.out.println("\nListing all credentials groups:");
ListCredentialsGroupsResponse fetchedCredentialGroups =
objectStorageApi.listCredentialsGroups(projectId, region);
List<CredentialsGroup> listCredentialsGroups =
fetchedCredentialGroups.getCredentialsGroups();
for (CredentialsGroup credentialsGroup : listCredentialsGroups) {
System.out.println("*******************");
System.out.println("* Group ID: " + credentialsGroup.getCredentialsGroupId());
System.out.println("* Display name: " + credentialsGroup.getDisplayName());
System.out.println("* URN: " + credentialsGroup.getUrn());
}

/*
* ///////////////////////////////////////////////////////
* // A C C E S S K E Y //
* ///////////////////////////////////////////////////////
* */

/* creating a new access key in the credentials group we just created */
System.out.println("\nCreating access key:");
CreateAccessKeyResponse newAccessKey =
objectStorageApi.createAccessKey(
projectId,
region,
new CreateAccessKeyPayload()
.expires(OffsetDateTime.now().plusMinutes(5)),
newCredentialGroup.getCredentialsGroup().getCredentialsGroupId());
System.out.println("* Key ID: " + newAccessKey.getKeyId());
System.out.println("* Display name: " + newAccessKey.getDisplayName());
System.out.println("* Expires: " + newAccessKey.getExpires());

/* list all available access key in the credential group */
System.out.println("\nListing all access key of the created credentials group:");
ListAccessKeysResponse fetchedAccessKeys =
objectStorageApi.listAccessKeys(
projectId,
region,
newCredentialGroup.getCredentialsGroup().getCredentialsGroupId());
List<AccessKey> listAccessKeys = fetchedAccessKeys.getAccessKeys();
for (AccessKey accessKey : listAccessKeys) {
System.out.println("*******************");
System.out.println("* Key ID: " + accessKey.getKeyId());
System.out.println("* Display name: " + accessKey.getDisplayName());
System.out.println("* Expires: " + accessKey.getExpires());
}

/*
* ///////////////////////////////////////////////////////
* // D E L E T I O N //
* ///////////////////////////////////////////////////////
* */

/* deleting the access key we just created */
System.out.println("\nDeleting access key:");
DeleteAccessKeyResponse deletedAccessKey =
objectStorageApi.deleteAccessKey(
projectId,
region,
newAccessKey.getKeyId(),
newCredentialGroup.getCredentialsGroup().getCredentialsGroupId());
System.out.println("* Key ID: " + deletedAccessKey.getKeyId());
System.out.println("* Bucket successfully deleted");

/* deleting the credentials group we just created */
System.out.println("\nDeleting credentials group:");
DeleteCredentialsGroupResponse deleteCredentialsGroupResponse =
objectStorageApi.deleteCredentialsGroup(
projectId,
region,
newCredentialGroup.getCredentialsGroup().getCredentialsGroupId());
System.out.println(
"* Group ID: " + deleteCredentialsGroupResponse.getCredentialsGroupId());
System.out.println("* Credentials group successfully deleted");
} catch (ApiException e) {
throw new RuntimeException(e);
}
}
}
2 changes: 2 additions & 0 deletions services/objectstorage/CHANGELOG.md
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## v0.1.0
- Initial onboarding of STACKIT Java SDK for Object storage service
86 changes: 86 additions & 0 deletions services/objectstorage/README.md
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# STACKIT Java SDK for STACKIT Object Storage API

- API version: 2.0.1

STACKIT API to manage the Object Storage



This package is part of the STACKIT Java SDK. For additional information, please visit the [GitHub repository](https://github.com/stackitcloud/stackit-sdk-java) of the SDK.

## Installation from Maven Central (recommended)

The release artifacts for this SDK submodule are available on [Maven Central](https://central.sonatype.com/artifact/cloud.stackit.sdk/objectstorage).

### Maven users

Add this dependency to your project's POM:

```xml
<dependency>
<groupId>cloud.stackit.sdk</groupId>
<artifactId>objectstorage</artifactId>
<version><SDK_VERSION></version>
<scope>compile</scope>
</dependency>
```

### Gradle users

Add this dependency to your project's build file:

```groovy
repositories {
mavenCentral()
}

dependencies {
implementation "cloud.stackit.sdk:objectstorage:<SDK_VERSION>"
}
```

## Installation from local build

Building the API client library requires:
1. Java SDK (version 11 to 21 should be supported) installed on your system

To install the API client library to your local Maven repository, simply execute:

```shell
./gradlew services:objectstorage:publishToMavenLocal
```

### Maven users

Add this dependency to your project's POM:

```xml
<dependency>
<groupId>cloud.stackit.sdk</groupId>
<artifactId>objectstorage</artifactId>
<version><SDK_VERSION></version>
<scope>compile</scope>
</dependency>
```

### Gradle users

Add this dependency to your project's build file:

```groovy
repositories {
mavenLocal()
}

dependencies {
implementation "cloud.stackit.sdk:objectstorage:<SDK_VERSION>"
}
```

## Getting Started

See the [objectstorage examples](https://github.com/stackitcloud/stackit-sdk-java/tree/main/examples/objectstorage/src/main/java/cloud/stackit/sdk/objectstorage/examples).

## Recommendation

It's recommended to create an instance of `ApiClient` per thread in a multithreaded environment to avoid any potential issues.
1 change: 1 addition & 0 deletions services/objectstorage/VERSION
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0.1.0
19 changes: 19 additions & 0 deletions services/objectstorage/build.gradle
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ext {
jakarta_annotation_version = "1.3.5"
}

dependencies {
implementation "com.google.code.findbugs:jsr305:3.0.2"
implementation 'com.squareup.okhttp3:okhttp:4.12.0'
implementation 'com.squareup.okhttp3:logging-interceptor:4.12.0'
implementation 'com.google.code.gson:gson:2.9.1'
implementation 'io.gsonfire:gson-fire:1.9.0'
implementation 'jakarta.ws.rs:jakarta.ws.rs-api:2.1.6'
implementation 'org.openapitools:jackson-databind-nullable:0.2.6'
implementation group: 'org.apache.commons', name: 'commons-lang3', version: '3.17.0'
implementation "jakarta.annotation:jakarta.annotation-api:$jakarta_annotation_version"
testImplementation 'org.junit.jupiter:junit-jupiter-api:5.10.3'
testImplementation 'org.mockito:mockito-core:3.12.4'
testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.10.3'
}
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/*
* STACKIT Object Storage API
* STACKIT API to manage the Object Storage
*
* The version of the OpenAPI document: 2.0.1
*
*
* NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
* https://openapi-generator.tech
* Do not edit the class manually.
*/

package cloud.stackit.sdk.objectstorage;

import cloud.stackit.sdk.core.exception.ApiException;
import java.util.List;
import java.util.Map;

/**
* Callback for asynchronous API call.
*
* @param <T> The return type
*/
public interface ApiCallback<T> {
/**
* This is called when the API call fails.
*
* @param e The exception causing the failure
* @param statusCode Status code of the response if available, otherwise it would be 0
* @param responseHeaders Headers of the response if available, otherwise it would be null
*/
void onFailure(ApiException e, int statusCode, Map<String, List<String>> responseHeaders);

/**
* This is called when the API call succeeded.
*
* @param result The result deserialized from response
* @param statusCode Status code of the response
* @param responseHeaders Headers of the response
*/
void onSuccess(T result, int statusCode, Map<String, List<String>> responseHeaders);

/**
* This is called when the API upload processing.
*
* @param bytesWritten bytes Written
* @param contentLength content length of request body
* @param done write end
*/
void onUploadProgress(long bytesWritten, long contentLength, boolean done);

/**
* This is called when the API download processing.
*
* @param bytesRead bytes Read
* @param contentLength content length of the response
* @param done Read end
*/
void onDownloadProgress(long bytesRead, long contentLength, boolean done);
}
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