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

Example 41 with Blob

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

the class ITStorageTest method testUpdateBlobUnsetMetadata.

@Test
public void testUpdateBlobUnsetMetadata() {
    String blobName = "test-update-blob-unset-metadata";
    ImmutableMap<String, String> metadata = ImmutableMap.of("k1", "a", "k2", "b");
    Map<String, String> newMetadata = new HashMap<>();
    newMetadata.put("k1", "a");
    newMetadata.put("k2", null);
    ImmutableMap<String, String> expectedMetadata = ImmutableMap.of("k1", "a");
    BlobInfo blob = BlobInfo.newBuilder(BUCKET, blobName).setContentType(CONTENT_TYPE).setMetadata(metadata).build();
    Blob remoteBlob = storage.create(blob);
    assertNotNull(remoteBlob);
    Blob updatedBlob = remoteBlob.toBuilder().setMetadata(newMetadata).build().update();
    assertNotNull(updatedBlob);
    assertEquals(blob.getName(), updatedBlob.getName());
    assertEquals(blob.getBucket(), updatedBlob.getBucket());
    assertEquals(expectedMetadata, updatedBlob.getMetadata());
    assertTrue(updatedBlob.delete());
}

Example 42 with Blob

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

the class ITStorageTest method testUpdateBlobs.

@Test
public void testUpdateBlobs() {
    String sourceBlobName1 = "test-update-blobs-1";
    String sourceBlobName2 = "test-update-blobs-2";
    BlobInfo sourceBlob1 = BlobInfo.newBuilder(BUCKET, sourceBlobName1).build();
    BlobInfo sourceBlob2 = BlobInfo.newBuilder(BUCKET, sourceBlobName2).build();
    Blob remoteBlob1 = storage.create(sourceBlob1);
    Blob remoteBlob2 = storage.create(sourceBlob2);
    assertNotNull(remoteBlob1);
    assertNotNull(remoteBlob2);
    List<Blob> updatedBlobs = storage.update(remoteBlob1.toBuilder().setContentType(CONTENT_TYPE).build(), remoteBlob2.toBuilder().setContentType(CONTENT_TYPE).build());
    assertEquals(sourceBlob1.getBucket(), updatedBlobs.get(0).getBucket());
    assertEquals(sourceBlob1.getName(), updatedBlobs.get(0).getName());
    assertEquals(CONTENT_TYPE, updatedBlobs.get(0).getContentType());
    assertEquals(sourceBlob2.getBucket(), updatedBlobs.get(1).getBucket());
    assertEquals(sourceBlob2.getName(), updatedBlobs.get(1).getName());
    assertEquals(CONTENT_TYPE, updatedBlobs.get(1).getContentType());
    assertTrue(updatedBlobs.get(0).delete());
    assertTrue(updatedBlobs.get(1).delete());
}

Example 43 with Blob

use of com.google.cloud.storage.Blob in project protoman by spotify.

the class GcsContentAddressedBlobStorage method get.

@Override
public Optional<byte[]> get(final HashCode contentHash) {
    final String blobName = blobName(contentHash);
    final Blob blob = storage.get(BlobId.of(bucket, blobName));
    return Optional.ofNullable(blob.getContent());
}

Example 44 with Blob

use of com.google.cloud.storage.Blob in project protoman by spotify.

the class GcsGenerationalFile method replace.

public long replace(byte[] bytes) {
    Preconditions.checkState(generation != null, "File is not loaded.");
    try {
        final Blob blob = storage.create(BlobInfo.newBuilder(bucket, path, generation).build(), bytes, Storage.BlobTargetOption.generationMatch());
        generation = blob.getGeneration();
        return generation;
    } catch (StorageException ex) {
        // allow precondition failed, which means we already have a file
        if (ex.getCode() != GCS_PRECONDITION_FAILED_CODE) {
            throw ex;
        }
        throw new OptimisticLockingException("Index file has been modified.", ex);
    }
}

Example 45 with Blob

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

the class BlobSnippets method copyToId.

/**
   * Example of copying the blob to a different bucket with a different name.
   */
// [TARGET copyTo(BlobId, BlobSourceOption...)]
// [VARIABLE "my_unique_bucket"]
// [VARIABLE "copy_blob_name"]
public Blob copyToId(String bucketName, String blobName) {
    // [START copyToId]
    CopyWriter copyWriter = blob.copyTo(BlobId.of(bucketName, blobName));
    Blob copiedBlob = copyWriter.getResult();
    // [END copyToId]
    return copiedBlob;
}