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StreamObjectUpload.java
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StreamObjectUpload.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_stream_file_upload]
import com.google.cloud.WriteChannel;
import com.google.cloud.storage.BlobId;
import com.google.cloud.storage.BlobInfo;
import com.google.cloud.storage.Storage;
import com.google.cloud.storage.StorageOptions;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
public class StreamObjectUpload {
public static void streamObjectUpload(
String projectId, String bucketName, String objectName, String contents) throws IOException {
// The ID of your GCP project
// String projectId = "your-project-id";
// The ID of your GCS bucket
// String bucketName = "your-unique-bucket-name";
// The ID of your GCS object
// String objectName = "your-object-name";
// The string of contents you wish to upload
// String contents = "Hello world!";
Storage storage = StorageOptions.newBuilder().setProjectId(projectId).build().getService();
BlobId blobId = BlobId.of(bucketName, objectName);
BlobInfo blobInfo = BlobInfo.newBuilder(blobId).build();
byte[] content = contents.getBytes(StandardCharsets.UTF_8);
try (WriteChannel writer = storage.writer(blobInfo)) {
writer.write(ByteBuffer.wrap(content));
System.out.println(
"Wrote to " + objectName + " in bucket " + bucketName + " using a WriteChannel.");
}
}
}
// [END storage_stream_file_upload]