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

Example 1 with CopyWriter

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

the class StorageSnippets method copyBlobInChunks.

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

Example 2 with CopyWriter

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

the class ITStorageTest method testCopyBlobNoContentType.

@Test
public void testCopyBlobNoContentType() {
    String sourceBlobName = "test-copy-blob-no-content-type-source";
    BlobId source = BlobId.of(BUCKET, sourceBlobName);
    Blob remoteSourceBlob = storage.create(BlobInfo.newBuilder(source).build(), BLOB_BYTE_CONTENT);
    assertNotNull(remoteSourceBlob);
    String targetBlobName = "test-copy-blob-no-content-type-target";
    ImmutableMap<String, String> metadata = ImmutableMap.of("k", "v");
    BlobInfo target = BlobInfo.newBuilder(BUCKET, targetBlobName).setMetadata(metadata).build();
    Storage.CopyRequest req = Storage.CopyRequest.of(source, target);
    CopyWriter copyWriter = storage.copy(req);
    assertEquals(BUCKET, copyWriter.getResult().getBucket());
    assertEquals(targetBlobName, copyWriter.getResult().getName());
    assertNull(copyWriter.getResult().getContentType());
    assertEquals(metadata, copyWriter.getResult().getMetadata());
    assertTrue(copyWriter.isDone());
    assertTrue(remoteSourceBlob.delete());
    assertTrue(storage.delete(BUCKET, targetBlobName));
}

Example 3 with CopyWriter

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

the class ITStorageTest method testCopyBlobUpdateStorageClass.

@Test
public void testCopyBlobUpdateStorageClass() {
    String sourceBlobName = "test-copy-blob-update-storage-class-source";
    BlobId source = BlobId.of(BUCKET, sourceBlobName);
    BlobInfo sourceInfo = BlobInfo.newBuilder(source).setStorageClass(StorageClass.STANDARD).build();
    Blob remoteSourceBlob = storage.create(sourceInfo, BLOB_BYTE_CONTENT);
    assertNotNull(remoteSourceBlob);
    assertEquals(StorageClass.STANDARD, remoteSourceBlob.getStorageClass());
    String targetBlobName = "test-copy-blob-update-storage-class-target";
    BlobInfo targetInfo = BlobInfo.newBuilder(BUCKET, targetBlobName).setStorageClass(StorageClass.COLDLINE).build();
    Storage.CopyRequest req = Storage.CopyRequest.of(source, targetInfo);
    CopyWriter copyWriter = storage.copy(req);
    assertEquals(BUCKET, copyWriter.getResult().getBucket());
    assertEquals(targetBlobName, copyWriter.getResult().getName());
    assertEquals(StorageClass.COLDLINE, copyWriter.getResult().getStorageClass());
    assertTrue(copyWriter.isDone());
    assertTrue(remoteSourceBlob.delete());
    assertTrue(storage.delete(BUCKET, targetBlobName));
}

Example 4 with CopyWriter

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

the class ITStorageTest method testCopyBlobWithEncryptionKeys.

@Test
public void testCopyBlobWithEncryptionKeys() {
    String sourceBlobName = "test-copy-blob-encryption-key-source";
    BlobId source = BlobId.of(BUCKET, sourceBlobName);
    ImmutableMap<String, String> metadata = ImmutableMap.of("k", "v");
    Blob remoteBlob = storage.create(BlobInfo.newBuilder(source).build(), BLOB_BYTE_CONTENT, Storage.BlobTargetOption.encryptionKey(KEY));
    assertNotNull(remoteBlob);
    String targetBlobName = "test-copy-blob-encryption-key-target";
    BlobInfo target = BlobInfo.newBuilder(BUCKET, targetBlobName).setContentType(CONTENT_TYPE).setMetadata(metadata).build();
    Storage.CopyRequest req = Storage.CopyRequest.newBuilder().setSource(source).setTarget(target, Storage.BlobTargetOption.encryptionKey(OTHER_BASE64_KEY)).setSourceOptions(Storage.BlobSourceOption.decryptionKey(BASE64_KEY)).build();
    CopyWriter copyWriter = storage.copy(req);
    assertEquals(BUCKET, copyWriter.getResult().getBucket());
    assertEquals(targetBlobName, copyWriter.getResult().getName());
    assertEquals(CONTENT_TYPE, copyWriter.getResult().getContentType());
    assertArrayEquals(BLOB_BYTE_CONTENT, copyWriter.getResult().getContent(Blob.BlobSourceOption.decryptionKey(OTHER_BASE64_KEY)));
    assertEquals(metadata, copyWriter.getResult().getMetadata());
    assertTrue(copyWriter.isDone());
    req = Storage.CopyRequest.newBuilder().setSource(source).setTarget(target).setSourceOptions(Storage.BlobSourceOption.decryptionKey(BASE64_KEY)).build();
    copyWriter = storage.copy(req);
    assertEquals(BUCKET, copyWriter.getResult().getBucket());
    assertEquals(targetBlobName, copyWriter.getResult().getName());
    assertEquals(CONTENT_TYPE, copyWriter.getResult().getContentType());
    assertArrayEquals(BLOB_BYTE_CONTENT, copyWriter.getResult().getContent());
    assertEquals(metadata, copyWriter.getResult().getMetadata());
    assertTrue(copyWriter.isDone());
    assertTrue(remoteBlob.delete());
    assertTrue(storage.delete(BUCKET, targetBlobName));
}

Example 5 with CopyWriter

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

the class ITStorageTest method testCopyBlobUpdateMetadata.

@Test
public void testCopyBlobUpdateMetadata() {
    String sourceBlobName = "test-copy-blob-update-metadata-source";
    BlobId source = BlobId.of(BUCKET, sourceBlobName);
    Blob remoteSourceBlob = storage.create(BlobInfo.newBuilder(source).build(), BLOB_BYTE_CONTENT);
    assertNotNull(remoteSourceBlob);
    String targetBlobName = "test-copy-blob-update-metadata-target";
    ImmutableMap<String, String> metadata = ImmutableMap.of("k", "v");
    BlobInfo target = BlobInfo.newBuilder(BUCKET, targetBlobName).setContentType(CONTENT_TYPE).setMetadata(metadata).build();
    Storage.CopyRequest req = Storage.CopyRequest.of(source, target);
    CopyWriter copyWriter = storage.copy(req);
    assertEquals(BUCKET, copyWriter.getResult().getBucket());
    assertEquals(targetBlobName, copyWriter.getResult().getName());
    assertEquals(CONTENT_TYPE, copyWriter.getResult().getContentType());
    assertEquals(metadata, copyWriter.getResult().getMetadata());
    assertTrue(copyWriter.isDone());
    assertTrue(remoteSourceBlob.delete());
    assertTrue(storage.delete(BUCKET, targetBlobName));
}