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SetObjectRetentionPolicy.java
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SetObjectRetentionPolicy.java
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/*
* 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.object;
// [START storage_set_object_retention_policy]
import static java.time.OffsetDateTime.now;
import com.google.cloud.storage.Blob;
import com.google.cloud.storage.BlobId;
import com.google.cloud.storage.BlobInfo.Retention;
import com.google.cloud.storage.Storage;
import com.google.cloud.storage.StorageException;
import com.google.cloud.storage.StorageOptions;
public class SetObjectRetentionPolicy {
public static void setObjectRetentionPolicy(
String projectId, String bucketName, String objectName) throws StorageException {
// The ID of your GCP project
// String projectId = "your-project-id";
// The ID of your GCS bucket that has object retention enabled
// String bucketName = "your-unique-bucket-name";
// The ID of your GCS object
// String objectName = "your-object-name";
Storage storage = StorageOptions.newBuilder().setProjectId(projectId).build().getService();
BlobId blobId = BlobId.of(bucketName, objectName);
Blob blob = storage.get(blobId);
if (blob == null) {
System.out.println("The object " + objectName + " was not found in " + bucketName);
return;
}
Blob updated =
blob.toBuilder()
.setRetention(
Retention.newBuilder()
.setMode(Retention.Mode.UNLOCKED)
.setRetainUntilTime(now().plusDays(10))
.build())
.build()
.update();
System.out.println("Retention policy for object " + objectName + " was set to:");
System.out.println(updated.getRetention().toString());
// To modify an existing policy on an Unlocked object, pass in the override parameter
blob.toBuilder()
.setRetention(
updated.getRetention().toBuilder().setRetainUntilTime(now().plusDays(9)).build())
.build()
.update(Storage.BlobTargetOption.overrideUnlockedRetention(true));
System.out.println("Retention policy for object " + objectName + " was updated to:");
System.out.println(storage.get(blobId).getRetention().toString());
}
}
// [END storage_set_object_retention_policy]