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

Example 66 with Blob

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

the class ITBucketSnippets method testBucket.

@Test
public void testBucket() throws InterruptedException {
    assertTrue(bucketSnippets.exists());
    Bucket bucket = bucketSnippets.reload();
    assertNotNull(bucket);
    Bucket updatedBucket = bucketSnippets.update();
    assertTrue(updatedBucket.versioningEnabled());
    Blob blob1 = bucketSnippets.createBlobFromByteArray(BLOB1);
    assertNotNull(blob1);
    Blob blob2 = bucketSnippets.createBlobFromByteArrayWithContentType(BLOB2);
    assertNotNull(blob2);
    Blob blob3 = bucketSnippets.createBlobFromInputStream(BLOB3);
    assertNotNull(blob3);
    Blob blob4 = bucketSnippets.createBlobFromInputStreamWithContentType(BLOB4);
    assertNotNull(blob4);
    Set<Blob> blobSet = Sets.newHashSet(bucketSnippets.listBlobs().iterateAll());
    while (blobSet.size() < 4) {
        Thread.sleep(500);
        blobSet = Sets.newHashSet(bucketSnippets.listBlobs().iterateAll());
    }
    assertTrue(blobSet.contains(blob1));
    assertTrue(blobSet.contains(blob2));
    assertTrue(blobSet.contains(blob3));
    assertTrue(blobSet.contains(blob4));
    blob1 = bucketSnippets.getBlob(BLOB1, blob1.getGeneration());
    assertEquals(BLOB1, blob1.getName());
    List<Blob> blobs = bucketSnippets.getBlobFromStrings(BLOB2, BLOB3);
    assertEquals(BLOB2, blobs.get(0).getName());
    assertEquals(BLOB3, blobs.get(1).getName());
    blobs = bucketSnippets.getBlobFromStringIterable(BLOB3, BLOB4);
    assertEquals(BLOB3, blobs.get(0).getName());
    assertEquals(BLOB4, blobs.get(1).getName());
    // test ACLs
    assertNull(bucketSnippets.getAcl());
    assertNotNull(bucketSnippets.createAcl());
    Acl updatedAcl = bucketSnippets.updateAcl();
    assertEquals(Role.OWNER, updatedAcl.getRole());
    Set<Acl> acls = Sets.newHashSet(bucketSnippets.listAcls());
    assertTrue(acls.contains(updatedAcl));
    assertTrue(bucketSnippets.deleteAcl());
    assertNull(bucketSnippets.getAcl());
    // test default ACLs
    assertNull(bucketSnippets.getDefaultAcl());
    assertNotNull(bucketSnippets.createDefaultAcl());
    updatedAcl = bucketSnippets.updateDefaultAcl();
    assertEquals(Role.OWNER, updatedAcl.getRole());
    acls = Sets.newHashSet(bucketSnippets.listDefaultAcls());
    assertTrue(acls.contains(updatedAcl));
    assertTrue(bucketSnippets.deleteDefaultAcl());
    assertNull(bucketSnippets.getDefaultAcl());
    thrown.expect(StorageException.class);
    assertTrue(bucketSnippets.delete());
}

Example 67 with Blob

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

the class ITStorageSnippets method testReadWriteAndSignUrl.

@Test
public void testReadWriteAndSignUrl() throws IOException {
    String blobName = "text-read-write-sign-url";
    byte[] content = "Hello, World!".getBytes(UTF_8);
    Blob blob = storage.create(BlobInfo.newBuilder(BUCKET, blobName).build(), content);
    assertArrayEquals(content, storageSnippets.readBlobFromId(BUCKET, blobName, blob.getGeneration()));
    assertArrayEquals(content, storageSnippets.readBlobFromStringsWithGeneration(BUCKET, blobName, blob.getGeneration()));
    storageSnippets.readerFromId(BUCKET, blobName);
    storageSnippets.readerFromStrings(BUCKET, blobName);
    storageSnippets.writer(BUCKET, blobName);
    URL signedUrl = storageSnippets.signUrl(BUCKET, blobName);
    URLConnection connection = signedUrl.openConnection();
    byte[] readBytes = new byte[content.length];
    try (InputStream responseStream = connection.getInputStream()) {
        assertEquals(content.length, responseStream.read(readBytes));
        assertArrayEquals(content, readBytes);
    }
    signedUrl = storageSnippets.signUrlWithSigner(BUCKET, blobName, System.getenv("GOOGLE_APPLICATION_CREDENTIALS"));
    connection = signedUrl.openConnection();
    try (InputStream responseStream = connection.getInputStream()) {
        assertEquals(content.length, responseStream.read(readBytes));
        assertArrayEquals(content, readBytes);
    }
    blob.delete();
}

Example 68 with Blob

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

the class ITStorageSnippets method testBlob.

@Test
public void testBlob() throws InterruptedException {
    String blobName = "directory/test-blob";
    Blob blob = storageSnippets.createBlob(BUCKET, blobName);
    assertNotNull(blob);
    blob = storageSnippets.getBlobFromId(BUCKET, blobName);
    assertNotNull(blob);
    blob = storageSnippets.updateBlob(BUCKET, blobName);
    assertNotNull(blob);
    blob = storageSnippets.updateBlobWithMetageneration(BUCKET, blobName);
    assertNotNull(blob);
    Blob copiedBlob = storageSnippets.copyBlob(BUCKET, blobName, "directory/copy-blob");
    assertNotNull(copiedBlob);
    Page<Blob> blobs = storageSnippets.listBlobsWithDirectoryAndPrefix(BUCKET, "directory/");
    while (Iterators.size(blobs.iterateAll().iterator()) < 2) {
        Thread.sleep(500);
        blobs = storageSnippets.listBlobsWithDirectoryAndPrefix(BUCKET, "directory/");
    }
    Set<String> blobNames = new HashSet<>();
    Iterator<Blob> blobIterator = blobs.iterateAll().iterator();
    while (blobIterator.hasNext()) {
        blobNames.add(blobIterator.next().getName());
    }
    assertTrue(blobNames.contains(blobName));
    assertTrue(blobNames.contains("directory/copy-blob"));
    try {
        storageSnippets.getBlobFromStringsWithMetageneration(BUCKET, blobName, -1);
        fail("Expected StorageException to be thrown");
    } catch (StorageException ex) {
    // expected
    }
    assertTrue(storageSnippets.deleteBlob(BUCKET, blobName));
    copiedBlob.delete();
}

Example 69 with Blob

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

the class ITStorageSnippets method testCreateBlobFromInputStream.

@Test
public void testCreateBlobFromInputStream() {
    Blob blob = storageSnippets.createBlobFromInputStream(BUCKET, "test-create-blob-from-input-stream");
    assertNotNull(blob);
    assertTrue(storageSnippets.deleteBlobFromIdWithGeneration(BUCKET, "test-create-blob-from-input-stream", blob.getGeneration()));
}

Example 70 with Blob

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

the class UpdateBlob method main.

public static void main(String... args) throws IOException {
    Storage storage = StorageOptions.getDefaultInstance().getService();
    BlobId blobId = BlobId.of("bucket", "blob_name");
    Blob blob = storage.get(blobId);
    if (blob != null) {
        byte[] prevContent = blob.getContent();
        System.out.println(new String(prevContent, UTF_8));
        WritableByteChannel channel = blob.writer();
        channel.write(ByteBuffer.wrap("Updated content".getBytes(UTF_8)));
        channel.close();
    }
}