docs: Adding Samples for Add/Remove Bucket Default Owner

README.md

@@ -229,8 +229,10 @@ Samples are in the [`samples/`](https://github.com/googleapis/java-storage/tree/
 | --------------------------- | --------------------------------- | ------ |
 | Configure Retries | [source code](https://github.com/googleapis/java-storage/blob/main/samples/snippets/src/main/java/com/example/storage/ConfigureRetries.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-storage&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/storage/ConfigureRetries.java) |
 | Quickstart Sample | [source code](https://github.com/googleapis/java-storage/blob/main/samples/snippets/src/main/java/com/example/storage/QuickstartSample.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-storage&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/storage/QuickstartSample.java) |
+| Add Bucket Default Owner | [source code](https://github.com/googleapis/java-storage/blob/main/samples/snippets/src/main/java/com/example/storage/bucket/AddBucketDefaultOwner.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-storage&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/storage/bucket/AddBucketDefaultOwner.java) |
 | Print Bucket Acl | [source code](https://github.com/googleapis/java-storage/blob/main/samples/snippets/src/main/java/com/example/storage/bucket/PrintBucketAcl.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-storage&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/storage/bucket/PrintBucketAcl.java) |
 | Print Bucket Acl Filter By User | [source code](https://github.com/googleapis/java-storage/blob/main/samples/snippets/src/main/java/com/example/storage/bucket/PrintBucketAclFilterByUser.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-storage&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/storage/bucket/PrintBucketAclFilterByUser.java) |
+| Remove Bucket Default Owner | [source code](https://github.com/googleapis/java-storage/blob/main/samples/snippets/src/main/java/com/example/storage/bucket/RemoveBucketDefaultOwner.java) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/java-storage&page=editor&open_in_editor=samples/snippets/src/main/java/com/example/storage/bucket/RemoveBucketDefaultOwner.java) |
 
 
 

samples/snippets/src/main/java/com/example/storage/bucket/AddBucketDefaultOwner.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * 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
+ *
+ *       http://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.
+ */
+
+package com.example.storage.bucket;
+
+// [START storage_add_bucket_default_owner]
+
+import com.google.cloud.storage.Acl;
+import com.google.cloud.storage.Acl.Role;
+import com.google.cloud.storage.Acl.User;
+import com.google.cloud.storage.Bucket;
+import com.google.cloud.storage.Storage;
+import com.google.cloud.storage.StorageOptions;
+
+public class AddBucketDefaultOwner {
+
+  public static void addBucketDefaultOwner(String bucketName, String userEmail) {
+
+    // The ID to give your GCS bucket
+    // String bucketName = "your-unique-bucket-name";
+
+    // Email of the user you wish to remove as a default owner
+    // String userEmail = "someuser@domain.com"
+
+    Storage storage = StorageOptions.newBuilder().build().getService();
+    Bucket bucket = storage.get(bucketName);
+    Acl newDefaultOwner = Acl.of(new User(userEmail), Role.OWNER);
+
+    bucket.createDefaultAcl(newDefaultOwner);
+    System.out.println("Added user " + userEmail + " as an owner on " + bucketName);
+  }
+}
+// [END storage_add_bucket_default_owner]

samples/snippets/src/main/java/com/example/storage/bucket/RemoveBucketDefaultOwner.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * 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
+ *
+ *       http://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.
+ */
+
+package com.example.storage.bucket;
+
+// [START storage_remove_bucket_default_owner]
+
+import com.google.cloud.storage.Acl.User;
+import com.google.cloud.storage.Bucket;
+import com.google.cloud.storage.Storage;
+import com.google.cloud.storage.StorageOptions;
+
+public class RemoveBucketDefaultOwner {
+
+  public static void removeBucketDefaultOwner(String bucketName, String userEmail) {
+
+    // The ID to give your GCS bucket
+    // String bucketName = "your-unique-bucket-name";
+
+    // Email of the user you wish to remove as a default owner
+    // String userEmail = "someuser@domain.com"
+
+    Storage storage = StorageOptions.newBuilder().build().getService();
+    Bucket bucket = storage.get(bucketName);
+    User userToRemove = new User(userEmail);
+
+    boolean success = bucket.deleteDefaultAcl(userToRemove);
+    if (success) {
+      System.out.println("Removed user " + userEmail + " as an owner on " + bucketName);
+    } else {
+      System.out.println("User " + userEmail + " was not found");
+    }
+  }
+}
+// [END storage_remove_bucket_default_owner]

samples/snippets/src/test/java/com/example/storage/TestBase.java

@@ -18,6 +18,7 @@
 
 import com.google.cloud.storage.Blob;
 import com.google.cloud.storage.BlobInfo;
+import com.google.cloud.storage.Bucket;
 import com.google.cloud.storage.BucketInfo;
 import com.google.cloud.storage.Storage;
 import com.google.cloud.storage.StorageOptions;
@@ -34,15 +35,15 @@ public abstract class TestBase {
   protected String bucketName;
   protected Storage storage;
   protected String blobName;
-
+  protected Bucket bucket;
   protected Blob blob;
 
   @Before
   public void setUp() {
     blobName = "blob";
     bucketName = RemoteStorageHelper.generateBucketName();
     storage = StorageOptions.getDefaultInstance().getService();
-    storage.create(BucketInfo.of(bucketName));
+    bucket = storage.create(BucketInfo.of(bucketName));
     blob = storage.create(BlobInfo.newBuilder(bucketName, blobName).build());
   }
 

samples/snippets/src/test/java/com/example/storage/bucket/AddBucketDefaultOwnerTest.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * 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
+ *
+ *       http://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.
+ */
+
+package com.example.storage.bucket;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.junit.Assert.assertNotNull;
+
+import com.example.storage.TestBase;
+import com.google.cloud.storage.Acl.User;
+import org.junit.Test;
+
+public class AddBucketDefaultOwnerTest extends TestBase {
+
+  public static final String IT_SERVICE_ACCOUNT_EMAIL = System.getenv("IT_SERVICE_ACCOUNT_EMAIL");
+
+  @Test
+  public void testAddBucketDefaultOwner() {
+    // Check for user email before the actual test.
+    assertNotNull("Unable to determine user email", IT_SERVICE_ACCOUNT_EMAIL);
+
+    AddBucketDefaultOwner.addBucketDefaultOwner(bucketName, IT_SERVICE_ACCOUNT_EMAIL);
+    assertThat(stdOut.getCapturedOutputAsUtf8String()).contains(IT_SERVICE_ACCOUNT_EMAIL);
+    assertThat(bucket.getDefaultAcl(new User(IT_SERVICE_ACCOUNT_EMAIL))).isNotNull();
+  }
+}

samples/snippets/src/test/java/com/example/storage/bucket/RemoveBucketDefaultOwnerTest.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * 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
+ *
+ *       http://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.
+ */
+
+package com.example.storage.bucket;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.junit.Assert.assertNotNull;
+
+import com.example.storage.TestBase;
+import com.google.cloud.storage.Acl;
+import com.google.cloud.storage.Acl.Role;
+import com.google.cloud.storage.Acl.User;
+import org.junit.Test;
+
+public class RemoveBucketDefaultOwnerTest extends TestBase {
+
+  public static final String IT_SERVICE_ACCOUNT_EMAIL = System.getenv("IT_SERVICE_ACCOUNT_EMAIL");
+
+  @Test
+  public void testRemoveBucketDefaultOwner() {
+    // Check for user email before the actual test.
+    assertNotNull("Unable to determine user email", IT_SERVICE_ACCOUNT_EMAIL);
+    // Add User as Default Owner
+    Acl newDefaultOwner = Acl.of(new User(IT_SERVICE_ACCOUNT_EMAIL), Role.OWNER);
+    bucket.createDefaultAcl(newDefaultOwner);
+
+    // Remove User as Default owner
+    RemoveBucketDefaultOwner.removeBucketDefaultOwner(bucketName, IT_SERVICE_ACCOUNT_EMAIL);
+    assertThat(stdOut.getCapturedOutputAsUtf8String()).contains(IT_SERVICE_ACCOUNT_EMAIL);
+    assertThat(stdOut.getCapturedOutputAsUtf8String()).contains("Removed user");
+    assertThat(bucket.getDefaultAcl(new User(IT_SERVICE_ACCOUNT_EMAIL))).isNull();
+  }
+
+  @Test
+  public void testUserNotFound() {
+    // Remove User without Default Owner Permissions
+    RemoveBucketDefaultOwner.removeBucketDefaultOwner(bucketName, IT_SERVICE_ACCOUNT_EMAIL);
+    assertThat(stdOut.getCapturedOutputAsUtf8String()).contains(IT_SERVICE_ACCOUNT_EMAIL);
+    assertThat(stdOut.getCapturedOutputAsUtf8String()).contains("was not found");
+  }
+}