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

Example 26 with BlobId

use of com.google.cloud.storage.BlobId 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();
    }
}

Example 27 with BlobId

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

the class StorageSnippets method getBlobAcl.

/**
   * Example of getting the ACL entry for a specific user on a blob.
   */
// [TARGET getAcl(BlobId, Entity)]
// [VARIABLE "my_unique_bucket"]
// [VARIABLE "my_blob_name"]
// [VARIABLE "google-cloud-java-tests@java-docs-samples-tests.iam.gserviceaccount.com"]
public Acl getBlobAcl(String bucketName, String blobName, String userEmail) {
    // [START storagePrintFileAclForUser]
    BlobId blobId = BlobId.of(bucketName, blobName);
    Acl acl = storage.getAcl(blobId, new User(userEmail));
    // [END storagePrintFileAclForUser]
    return acl;
}

Example 28 with BlobId

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

the class StorageSnippets method readerFromId.

/**
   * Example of reading a blob's content through a reader.
   */
// [TARGET reader(BlobId, BlobSourceOption...)]
// [VARIABLE "my_unique_bucket"]
// [VARIABLE "my_blob_name"]
public void readerFromId(String bucketName, String blobName) throws IOException {
    // [START readerFromId]
    BlobId blobId = BlobId.of(bucketName, blobName);
    try (ReadChannel reader = storage.reader(blobId)) {
        ByteBuffer bytes = ByteBuffer.allocate(64 * 1024);
        while (reader.read(bytes) > 0) {
            bytes.flip();
            // do something with bytes
            bytes.clear();
        }
    }
// [END readerFromId]
}

Example 29 with BlobId

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

the class StorageSnippets method deleteBlob.

/**
   * Example of deleting a blob.
   */
// [TARGET delete(BlobId)]
// [VARIABLE "my_unique_bucket"]
// [VARIABLE "my_blob_name"]
public boolean deleteBlob(String bucketName, String blobName) {
    // [START deleteBlob]
    BlobId blobId = BlobId.of(bucketName, blobName);
    boolean deleted = storage.delete(blobId);
    if (deleted) {
    // the blob was deleted
    } else {
    // the blob was not found
    }
    // [END deleteBlob]
    return deleted;
}

Example 30 with BlobId

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

the class StorageSnippets method deleteBlobAcl.

/**
   * Example of deleting the ACL entry for an entity on a blob.
   */
// [TARGET deleteAcl(BlobId, Entity)]
// [VARIABLE "my_unique_bucket"]
// [VARIABLE "my_blob_name"]
// [VARIABLE 42]
public boolean deleteBlobAcl(String bucketName, String blobName, long blobGeneration) {
    // [START deleteBlobAcl]
    BlobId blobId = BlobId.of(bucketName, blobName, blobGeneration);
    boolean deleted = storage.deleteAcl(blobId, User.ofAllAuthenticatedUsers());
    if (deleted) {
    // the acl entry was deleted
    } else {
    // the acl entry was not found
    }
    // [END deleteBlobAcl]
    return deleted;
}