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

Example 41 with BlobInfo

use of com.google.cloud.storage.BlobInfo in project flink by apache.

the class GSBlobStorageImpl method writeBlob.

@Override
public GSBlobStorage.WriteChannel writeBlob(GSBlobIdentifier blobIdentifier, MemorySize chunkSize) {
    LOGGER.trace("Creating writeable blob for identifier {} with chunk size {}", blobIdentifier, chunkSize);
    Preconditions.checkNotNull(blobIdentifier);
    Preconditions.checkArgument(chunkSize.getBytes() > 0);
    BlobInfo blobInfo = BlobInfo.newBuilder(blobIdentifier.getBlobId()).build();
    com.google.cloud.WriteChannel writeChannel = storage.writer(blobInfo);
    writeChannel.setChunkSize((int) chunkSize.getBytes());
    return new WriteChannel(blobIdentifier, writeChannel);
}

Example 42 with BlobInfo

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

the class ITStorageSnippets method testBlobAcl.

@Test
public void testBlobAcl() {
    String blobName = "test-blob-acl";
    BlobId blobId = BlobId.of(BUCKET, "test-blob-acl");
    BlobInfo blob = BlobInfo.newBuilder(blobId).build();
    Blob createdBlob = storage.create(blob);
    assertNull(storageSnippets.getBlobAcl(BUCKET, blobName, createdBlob.getGeneration()));
    assertNotNull(storageSnippets.createBlobAcl(BUCKET, blobName, createdBlob.getGeneration()));
    Acl updatedAcl = storageSnippets.updateBlobAcl(BUCKET, blobName, createdBlob.getGeneration());
    assertEquals(Acl.Role.OWNER, updatedAcl.getRole());
    Set<Acl> acls = Sets.newHashSet(storageSnippets.listBlobAcls(BUCKET, blobName, createdBlob.getGeneration()));
    assertTrue(acls.contains(updatedAcl));
    assertNull(storageSnippets.getBlobAcl(BUCKET, blobName, USER_EMAIL));
    storage.createAcl(BlobId.of(BUCKET, blobName), Acl.of(new User(USER_EMAIL), Role.READER));
    Acl userAcl = storageSnippets.getBlobAcl(BUCKET, blobName, USER_EMAIL);
    assertNotNull(userAcl);
    assertEquals(USER_EMAIL, ((User) userAcl.getEntity()).getEmail());
    assertNotNull(storageSnippets.getBlobAcl(BUCKET, blobName, createdBlob.getGeneration()));
    assertTrue(storageSnippets.deleteBlobAcl(BUCKET, blobName, createdBlob.getGeneration()));
    assertNull(storageSnippets.getBlobAcl(BUCKET, blobName, createdBlob.getGeneration()));
    // test non-existing blob
    String nonExistingBlob = "test-blob-acl";
    assertNull(storageSnippets.getBlobAcl(BUCKET, nonExistingBlob, 1L));
    assertFalse(storageSnippets.deleteBlobAcl(BUCKET, nonExistingBlob, 1L));
    try {
        storageSnippets.createBlobAcl(BUCKET, nonExistingBlob, 1L);
        fail("Expected StorageException");
    } catch (StorageException ex) {
    // expected
    }
    try {
        storageSnippets.updateBlobAcl(BUCKET, nonExistingBlob, 1L);
        fail("Expected StorageException");
    } catch (StorageException ex) {
    // expected
    }
    try {
        storageSnippets.listBlobAcls(BUCKET, nonExistingBlob, 1L);
        fail("Expected StorageException");
    } catch (StorageException ex) {
    // expected
    }
}

Example 43 with BlobInfo

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

the class StorageSnippets method composeBlobs.

/**
 * Example of composing two blobs.
 */
// [TARGET compose(ComposeRequest)]
// [VARIABLE "my_unique_bucket"]
// [VARIABLE "my_blob_name"]
// [VARIABLE "source_blob_1"]
// [VARIABLE "source_blob_2"]
public Blob composeBlobs(String bucketName, String blobName, String sourceBlob1, String sourceBlob2) {
    // [START composeBlobs]
    BlobId blobId = BlobId.of(bucketName, blobName);
    BlobInfo blobInfo = BlobInfo.newBuilder(blobId).setContentType("text/plain").build();
    ComposeRequest request = ComposeRequest.newBuilder().setTarget(blobInfo).addSource(sourceBlob1).addSource(sourceBlob2).build();
    Blob blob = storage.compose(request);
    // [END composeBlobs]
    return blob;
}

Example 44 with BlobInfo

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

the class StorageSnippets method createBlobWithSubArrayFromByteArray.

/**
 * Example of creating a blob with sub array from a byte array.
 */
// [TARGET create(BlobInfo, byte[], offset, length, BlobTargetOption...)]
// [VARIABLE "my_unique_bucket"]
// [VARIABLE "my_blob_name"]
public Blob createBlobWithSubArrayFromByteArray(String bucketName, String blobName, int offset, int length) {
    // [START createBlobWithSubArrayFromByteArray]
    BlobId blobId = BlobId.of(bucketName, blobName);
    BlobInfo blobInfo = BlobInfo.newBuilder(blobId).setContentType("text/plain").build();
    Blob blob = storage.create(blobInfo, "Hello, World!".getBytes(UTF_8), offset, length);
    // [END createBlobWithSubArrayFromByteArray]
    return blob;
}

Example 45 with BlobInfo

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

the class StorageSnippets method batchUpdateIterable.

/**
 * Example of updating information on several blobs using a single batch request.
 */
// [TARGET update(Iterable)]
// [VARIABLE "my_unique_bucket"]
// [VARIABLE "my_blob_name1"]
// [VARIABLE "my_blob_name2"]
public List<Blob> batchUpdateIterable(String bucketName, String blobName1, String blobName2) {
    // [START batchUpdateIterable]
    Blob firstBlob = storage.get(bucketName, blobName1);
    Blob secondBlob = storage.get(bucketName, blobName2);
    List<BlobInfo> blobs = new LinkedList<>();
    blobs.add(firstBlob.toBuilder().setContentType("text/plain").build());
    blobs.add(secondBlob.toBuilder().setContentType("text/plain").build());
    List<Blob> updatedBlobs = storage.update(blobs);
    // [END batchUpdateIterable]
    return updatedBlobs;
}