Examples with Blob com.google.cloud.storage.Blob used on opensource projects

Example 1 with Blob

use of com.google.cloud.storage.Blob in project google-cloud-java by GoogleCloudPlatform.

the class BucketSnippets method getBlobFromStringIterable.

/**
   * Example of getting some blobs in the bucket, using a batch request.
   */
// [TARGET get(Iterable)]
// [VARIABLE "my_blob_name1"]
// [VARIABLE "my_blob_name2"]
public List<Blob> getBlobFromStringIterable(String blobName1, String blobName2) {
    // [START getBlobFromStringIterable]
    List<String> blobNames = new LinkedList<>();
    blobNames.add(blobName1);
    blobNames.add(blobName2);
    List<Blob> blobs = bucket.get(blobNames);
    for (Blob blob : blobs) {
        if (blob == null) {
        // the blob was not found
        }
    }
    // [END getBlobFromStringIterable]
    return blobs;
}

Example 2 with Blob

use of com.google.cloud.storage.Blob in project google-cloud-java by GoogleCloudPlatform.

the class BucketSnippets method createBlobFromInputStreamWithContentType.

/**
   * Example of creating a blob in the bucket from an input stream with a content type.
   */
// [TARGET create(String, InputStream, String, BlobWriteOption...)]
// [VARIABLE "my_blob_name"]
public Blob createBlobFromInputStreamWithContentType(String blobName) {
    // [START createBlobFromInputStreamWithContentType]
    InputStream content = new ByteArrayInputStream("Hello, World!".getBytes(UTF_8));
    Blob blob = bucket.create(blobName, content, "text/plain");
    // [END createBlobFromInputStreamWithContentType]
    return blob;
}

Example 3 with Blob

use of com.google.cloud.storage.Blob in project google-cloud-java by GoogleCloudPlatform.

the class CreateAndListBucketsAndBlobs method main.

public static void main(String... args) {
    // Create a service object
    // Credentials are inferred from the environment.
    Storage storage = StorageOptions.getDefaultInstance().getService();
    // Create a bucket
    // Change this to something unique
    String bucketName = "my_unique_bucket";
    Bucket bucket = storage.create(BucketInfo.of(bucketName));
    // Upload a blob to the newly created bucket
    Blob blob = bucket.create("my_blob_name", "a simple blob".getBytes(UTF_8), "text/plain");
    // Read the blob content from the server
    String blobContent = new String(blob.getContent(), UTF_8);
    // List all your buckets
    System.out.println("My buckets:");
    for (Bucket currentBucket : storage.list().iterateAll()) {
        System.out.println(currentBucket);
    }
    // List the blobs in a particular bucket
    System.out.println("My blobs:");
    for (Blob currentBlob : bucket.list().iterateAll()) {
        System.out.println(currentBlob);
    }
}

Example 4 with Blob

use of com.google.cloud.storage.Blob in project google-cloud-java by GoogleCloudPlatform.

the class StorageSnippets method createEncryptedBlob.

/**
   * Example of uploading an encrypted blob.
   */
// [TARGET create(BlobInfo, InputStream, BlobWriteOption...)]
// [VARIABLE "my_unique_bucket"]
// [VARIABLE "my_blob_name"]
// [VARIABLE "my_encryption_key"]
public Blob createEncryptedBlob(String bucketName, String blobName, String encryptionKey) {
    // [START storageUploadEncryptedFile]
    InputStream content = new ByteArrayInputStream("Hello, World!".getBytes(UTF_8));
    BlobId blobId = BlobId.of(bucketName, blobName);
    BlobInfo blobInfo = BlobInfo.newBuilder(blobId).setContentType("text/plain").build();
    Blob blob = storage.create(blobInfo, content, BlobWriteOption.encryptionKey(encryptionKey));
    // [END storageUploadEncryptedFile]
    return blob;
}

Example 5 with Blob

use of com.google.cloud.storage.Blob in project google-cloud-java by GoogleCloudPlatform.

the class StorageSnippets method copyBlob.

/**
   * Example of copying a blob.
   */
// [TARGET copy(CopyRequest)]
// [VARIABLE "my_unique_bucket"]
// [VARIABLE "my_blob_name"]
// [VARIABLE "copy_blob_name"]
public Blob copyBlob(String bucketName, String blobName, String copyBlobName) {
    // [START copyBlob]
    CopyRequest request = CopyRequest.newBuilder().setSource(BlobId.of(bucketName, blobName)).setTarget(BlobId.of(bucketName, copyBlobName)).build();
    Blob blob = storage.copy(request).getResult();
    // [END copyBlob]
    return blob;
}