CloudBlob (Microsoft Azure Storage Client SDK 2.2.0 API)

java.lang.Object
- com.microsoft.azure.storage.blob.CloudBlob

All Implemented Interfaces:

ListBlobItem

Direct Known Subclasses:

CloudBlockBlob, CloudPageBlob
```
public abstract class CloudBlob
extends Object
implements ListBlobItem
```
Represents a Microsoft Azure blob. This is the base class for the CloudBlockBlob and CloudPageBlob classes.

Field Summary

Fields
Modifier and Type	Field and Description
`protected CloudBlobClient`	`blobServiceClient` Represents the blob client.
`protected CloudBlobDirectory`	`parent` Represents the blob's directory.
`protected int`	`streamMinimumReadSizeInBytes` Holds the minimum read size when using a `BlobInputStream`.
`protected int`	`streamWriteSizeInBytes` Holds the number of bytes to buffer when writing to a `BlobOutputStream` (block and page blobs).

Constructor Summary

Constructors
Modifier	Constructor and Description
`protected`	`CloudBlob(BlobType type)` Creates an instance of the `CloudBlob` class.
`protected`	`CloudBlob(BlobType type, StorageUri uri, CloudBlobClient client)` Creates an instance of the `CloudBlob` class using the specified URI and cloud blob client.
`protected`	`CloudBlob(BlobType type, StorageUri uri, CloudBlobClient client, CloudBlobContainer container)` Creates an instance of the `CloudBlob` class using the specified URI, cloud blob client, and cloud blob container.
`protected`	`CloudBlob(BlobType type, StorageUri uri, String snapshotID, CloudBlobClient client)` Creates an instance of the `CloudBlob` class using the specified URI, snapshot ID, and cloud blob client.
`protected`	`CloudBlob(CloudBlob otherBlob)` Creates an instance of the `CloudBlob` class by copying values from another blob.

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`abortCopy(String copyId)` Aborts an ongoing blob copy operation.
`void`	`abortCopy(String copyId, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Aborts an ongoing blob copy operation.
`String`	`acquireLease(Integer leaseTimeInSeconds, String proposedLeaseId)` Acquires a new lease on the blob with the specified lease time and proposed lease ID.
`String`	`acquireLease(Integer leaseTimeInSeconds, String proposedLeaseId, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Acquires a new lease on the blob with the specified lease time, proposed lease ID, request options, and operation context.
`protected void`	`assertCorrectBlobType()` Asserts that the blob has the correct blob type specified in the blob attributes.
`protected void`	`assertNoWriteOperationForSnapshot()` Asserts that write operation is not done for snapshot.
`long`	`breakLease(Integer breakPeriodInSeconds)` Breaks the lease and ensures that another client cannot acquire a new lease until the current lease period has expired.
`long`	`breakLease(Integer breakPeriodInSeconds, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Breaks the existing lease, using the specified request options and operation context, and ensures that another client cannot acquire a new lease until the current lease period has expired.
`String`	`changeLease(String proposedLeaseId, AccessCondition accessCondition)` Changes the existing lease ID to the proposed lease ID.
`String`	`changeLease(String proposedLeaseId, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Changes the existing lease ID to the proposed lease Id with the specified access conditions, request options, and operation context.
`CloudBlob`	`createSnapshot()` Creates a snapshot of the blob.
`CloudBlob`	`createSnapshot(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Creates a snapshot of the blob using the specified request options and operation context.
`CloudBlob`	`createSnapshot(HashMap<String,String> metadata, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Creates a snapshot of the blob using the specified request options and operation context.
`void`	`delete()` Deletes the blob.
`void`	`delete(DeleteSnapshotsOption deleteSnapshotsOption, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Deletes the blob using the specified snapshot and request options, and operation context.
`boolean`	`deleteIfExists()` Deletes the blob if it exists.
`boolean`	`deleteIfExists(DeleteSnapshotsOption deleteSnapshotsOption, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Deletes the blob if it exists, using the specified snapshot and request options, and operation context.
`void`	`download(OutputStream outStream)` Downloads the contents of a blob to a stream.
`void`	`download(OutputStream outStream, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Downloads the contents of a blob to a stream using the specified request options and operation context.
`void`	`downloadAttributes()` Populates a blob's properties and metadata.
`void`	`downloadAttributes(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Populates a blob's properties and metadata using the specified request options and operation context.
`void`	`downloadRange(long offset, Long length, OutputStream outStream)` Downloads the contents of a blob to a stream.
`void`	`downloadRange(long offset, Long length, OutputStream outStream, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Downloads the contents of a blob to a stream using the specified request options and operation context.
`protected int`	`downloadRangeInternal(long blobOffset, Long length, byte[] buffer, int bufferOffset, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Downloads a range of bytes from the blob to the given byte buffer.
`int`	`downloadRangeToByteArray(long offset, Long length, byte[] buffer, int bufferOffet)` Downloads a range of bytes from the blob to the given byte buffer.
`int`	`downloadRangeToByteArray(long offset, Long length, byte[] buffer, int bufferOffset, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Downloads a range of bytes from the blob to the given byte buffer, using the specified request options and operation context.
`int`	`downloadToByteArray(byte[] buffer, int bufferOffet)` Downloads a range of bytes from the blob to the given byte buffer.
`int`	`downloadToByteArray(byte[] buffer, int bufferOffset, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Downloads a range of bytes from the blob to the given byte buffer, using the specified request options and operation context.
`void`	`downloadToFile(String path)` Downloads a blob, storing the contents in a file.
`void`	`downloadToFile(String path, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Downloads a blob, storing the contents in a file.
`boolean`	`exists()` Checks to see if the blob exists.
`boolean`	`exists(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Checks to see if the blob exists, using the specified request options and operation context.
`String`	`generateSharedAccessSignature(SharedAccessBlobPolicy policy, SharedAccessBlobHeaders headers, String groupPolicyIdentifier)` Returns a shared access signature for the blob using the specified group policy identifier and operation context.
`String`	`generateSharedAccessSignature(SharedAccessBlobPolicy policy, String groupPolicyIdentifier)` Returns a shared access signature for the blob using the specified group policy identifier and operation context.
`CloudBlobContainer`	`getContainer()` Returns the blob's container.
`CopyState`	`getCopyState()` Returns the blob's copy state.
`HashMap<String,String>`	`getMetadata()` Returns the metadata for the blob.
`String`	`getName()` Returns the name of the blob.
`CloudBlobDirectory`	`getParent()` Returns the blob item's parent.
`protected static String`	`getParentNameFromURI(StorageUri resourceAddress, String delimiter, CloudBlobContainer container)` Retrieves the parent name for a blob URI.
`BlobProperties`	`getProperties()` Returns the blob's properties.
`StorageUri`	`getQualifiedStorageUri()` Returns the snapshot or shared access signature qualified URI for this blob.
`URI`	`getQualifiedUri()` Returns the snapshot or shared access signature qualified URI for this blob.
`CloudBlobClient`	`getServiceClient()` Returns the Blob service client associated with the blob.
`String`	`getSnapshotID()` Gets the Blob Snapshot ID.
`StorageUri`	`getStorageUri()` Returns the list of URIs for all locations.
`int`	`getStreamMinimumReadSizeInBytes()` Returns the minimum read size when using a `BlobInputStream`.
`int`	`getStreamWriteSizeInBytes()` Gets the number of bytes to buffer when writing to a `BlobOutputStream` (block and page blobs).
`protected StorageUri`	`getTransformedAddress(OperationContext opContext)` Returns the transformed URI for the resource if the given credentials require transformation.
`URI`	`getUri()` Returns the URI for this blob.
`boolean`	`isSnapshot()` Indicates whether this blob is a snapshot.
`BlobInputStream`	`openInputStream()` Opens a blob input stream to download the blob.
`BlobInputStream`	`openInputStream(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Opens a blob input stream to download the blob using the specified request options and operation context.
`protected void`	`parseURIQueryStringAndVerify(StorageUri completeUri, CloudBlobClient existingClient, boolean usePathStyleUris)` Parse Uri for SAS (Shared access signature) information.
`void`	`releaseLease(AccessCondition accessCondition)` Releases the lease on the blob.
`void`	`releaseLease(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Releases the lease on the blob using the specified request options and operation context.
`void`	`renewLease(AccessCondition accessCondition)` Renews an existing lease.
`void`	`renewLease(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Renews an existing lease using the specified request options and operation context.
`protected void`	`setContainer(CloudBlobContainer container)` Sets the container for the blob.
`void`	`setMetadata(HashMap<String,String> metadata)` Sets the metadata for the blob.
`protected void`	`setProperties(BlobProperties properties)` Sets the properties for the blob.
`protected void`	`setSnapshotID(String snapshotID)` Sets the blob snapshot ID.
`protected void`	`setStorageUri(StorageUri storageUri)` Sets the list of URIs for all locations.
`void`	`setStreamMinimumReadSizeInBytes(int minimumReadSize)` Sets the minimum read size when using a `BlobInputStream`.
`abstract void`	`setStreamWriteSizeInBytes(int streamWriteSizeInBytes)` Sets the number of bytes to buffer when writing to a `BlobOutputStream` (block and page blobs).
`String`	`startCopyFromBlob(CloudBlob sourceBlob)` Requests the service to start copying a blob's contents, properties, and metadata to a new blob.
`String`	`startCopyFromBlob(CloudBlob sourceBlob, AccessCondition sourceAccessCondition, AccessCondition destinationAccessCondition, BlobRequestOptions options, OperationContext opContext)` Requests the service to start copying a blob's contents, properties, and metadata to a new blob, using the specified access conditions, lease ID, request options, and operation context.
`String`	`startCopyFromBlob(URI source)` Requests the service to start copying a blob's contents, properties, and metadata to a new blob.
`String`	`startCopyFromBlob(URI source, AccessCondition sourceAccessCondition, AccessCondition destinationAccessCondition, BlobRequestOptions options, OperationContext opContext)` Requests the service to start copying a blob's contents, properties, and metadata to a new blob, using the specified access conditions, lease ID, request options, and operation context.
`protected void`	`updateEtagAndLastModifiedFromResponse(HttpURLConnection request)`
`protected void`	`updateLengthFromResponse(HttpURLConnection request)`
`abstract void`	`upload(InputStream sourceStream, long length)` Uploads the source stream data to the blob.
`abstract void`	`upload(InputStream sourceStream, long length, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Uploads the source stream data to the blob using the specified lease ID, request options, and operation context.
`void`	`uploadFromByteArray(byte[] buffer, int offset, int length)` Uploads a blob from data in a byte array.
`void`	`uploadFromByteArray(byte[] buffer, int offset, int length, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Uploads a blob from data in a byte array.
`void`	`uploadFromFile(String path)` Uploads a blob from a file.
`void`	`uploadFromFile(String path, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Uploads a blob from a file.
`void`	`uploadMetadata()` Uploads the blob's metadata to the storage service.
`void`	`uploadMetadata(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Uploads the blob's metadata to the storage service using the specified lease ID, request options, and operation context.
`void`	`uploadProperties()` Updates the blob's properties to the storage service.
`void`	`uploadProperties(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)` Updates the blob's properties using the specified lease ID, request options, and operation context.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - parent
```
protected CloudBlobDirectory parent
```
    Represents the blob's directory.
  - streamWriteSizeInBytes
```
protected int streamWriteSizeInBytes
```
    Holds the number of bytes to buffer when writing to a BlobOutputStream (block and page blobs).
  - streamMinimumReadSizeInBytes
```
protected int streamMinimumReadSizeInBytes
```
    Holds the minimum read size when using a BlobInputStream.
  - blobServiceClient
```
protected CloudBlobClient blobServiceClient
```
    Represents the blob client.
- Constructor Detail
  - CloudBlob
```
protected CloudBlob(BlobType type)
```
    Creates an instance of the CloudBlob class.
    
    Parameters:
    type - A BlobType value which represents the type of the blob.
  - CloudBlob
```
protected CloudBlob(BlobType type,
         StorageUri uri,
         CloudBlobClient client)
             throws StorageException
```
    Creates an instance of the CloudBlob class using the specified URI and cloud blob client.
    
    Parameters:
    type - A BlobType value which represents the type of the blob.
    uri - A StorageUri object that represents the URI to the blob, beginning with the container name.
    client - A CloudBlobClient object that specifies the endpoint for the Blob service.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - CloudBlob
```
protected CloudBlob(BlobType type,
         StorageUri uri,
         CloudBlobClient client,
         CloudBlobContainer container)
             throws StorageException
```
    Creates an instance of the CloudBlob class using the specified URI, cloud blob client, and cloud blob container.
    
    Parameters:
    type - A BlobType value which represents the type of the blob.
    uri - A StorageUri object that represents the URI to the blob, beginning with the container name.
    client - A CloudBlobClient object that specifies the endpoint for the Blob service.
    container - A CloudBlobContainer object that represents the container to use for the blob.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - CloudBlob
```
protected CloudBlob(BlobType type,
         StorageUri uri,
         String snapshotID,
         CloudBlobClient client)
             throws StorageException
```
    Creates an instance of the CloudBlob class using the specified URI, snapshot ID, and cloud blob client.
    
    Parameters:
    type - A BlobType value which represents the type of the blob.
    uri - A StorageUri object that represents the URI to the blob, beginning with the container name.
    snapshotID - A String that represents the snapshot version, if applicable.
    client - A CloudBlobContainer object that represents the container to use for the blob.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - CloudBlob
```
protected CloudBlob(CloudBlob otherBlob)
```
    Creates an instance of the CloudBlob class by copying values from another blob.
    
    Parameters:
    otherBlob - A CloudBlob object that represents the blob to copy.
- Method Detail
  - abortCopy
```
@DoesServiceRequest
public final void abortCopy(String copyId)
                     throws StorageException
```
    Aborts an ongoing blob copy operation.
    
    Parameters:
    copyId - A String object that identifying the copy operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - abortCopy
```
@DoesServiceRequest
public final void abortCopy(String copyId,
                                AccessCondition accessCondition,
                                BlobRequestOptions options,
                                OperationContext opContext)
                     throws StorageException
```
    Aborts an ongoing blob copy operation.
    
    Parameters:
    copyId - A String object that identifying the copy operation.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - acquireLease
```
@DoesServiceRequest
public final String acquireLease(Integer leaseTimeInSeconds,
                                     String proposedLeaseId)
                          throws StorageException
```
    Acquires a new lease on the blob with the specified lease time and proposed lease ID.
    
    Parameters:
    leaseTimeInSeconds - An Integer which specifies the span of time for which to acquire the lease, in seconds. If null, an infinite lease will be acquired. If not null, the value must be greater than zero.
    proposedLeaseId - A String that represents the proposed lease ID for the new lease, or null if no lease ID is proposed.
    
    Returns:
    A String that represents the lease ID.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - acquireLease
```
@DoesServiceRequest
public final String acquireLease(Integer leaseTimeInSeconds,
                                     String proposedLeaseId,
                                     AccessCondition accessCondition,
                                     BlobRequestOptions options,
                                     OperationContext opContext)
                          throws StorageException
```
    Acquires a new lease on the blob with the specified lease time, proposed lease ID, request options, and operation context.
    
    Parameters:
    leaseTimeInSeconds - An Integer which specifies the span of time for which to acquire the lease, in seconds. If null, an infinite lease will be acquired. If not null, the value must be greater than zero.
    proposedLeaseId - A String that represents the proposed lease ID for the new lease, or null if no lease ID is proposed.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client (CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. The context is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Returns:
    A String that represents the lease ID.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - assertCorrectBlobType
```
protected final void assertCorrectBlobType()
                                    throws StorageException
```
    Asserts that the blob has the correct blob type specified in the blob attributes.
    
    Throws:
    
    StorageException - If an incorrect blob type is used.
  - assertNoWriteOperationForSnapshot
```
protected void assertNoWriteOperationForSnapshot()
```
    Asserts that write operation is not done for snapshot.
  - breakLease
```
@DoesServiceRequest
public final long breakLease(Integer breakPeriodInSeconds)
                      throws StorageException
```
    Breaks the lease and ensures that another client cannot acquire a new lease until the current lease period has expired.
    
    Parameters:
    breakPeriodInSeconds - Specifies the time to wait, in seconds, until the current lease is broken. If null, the break period is the remainder of the current lease, or zero for infinite leases.
    
    Returns:
    An long which specifies the time, in seconds, remaining in the lease period.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - breakLease
```
@DoesServiceRequest
public final long breakLease(Integer breakPeriodInSeconds,
                                 AccessCondition accessCondition,
                                 BlobRequestOptions options,
                                 OperationContext opContext)
                      throws StorageException
```
    Breaks the existing lease, using the specified request options and operation context, and ensures that another client cannot acquire a new lease until the current lease period has expired.
    
    Parameters:
    breakPeriodInSeconds - An Integer which specifies the time to wait, in seconds, until the current lease is broken. If null, the break period is the remainder of the current lease, or zero for infinite leases.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client (CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. The context is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Returns:
    An long which represents the time, in seconds, remaining in the lease period.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - changeLease
```
@DoesServiceRequest
public final String changeLease(String proposedLeaseId,
                                    AccessCondition accessCondition)
                         throws StorageException
```
    Changes the existing lease ID to the proposed lease ID.
    
    Parameters:
    proposedLeaseId - A String that represents the proposed lease ID for the new lease, or null if no lease ID is proposed.
    accessCondition - An AccessCondition object that represents the access conditions for the blob. The lease ID is required to be set with an access condition.
    
    Returns:
    A String that represents the new lease ID.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - changeLease
```
@DoesServiceRequest
public final String changeLease(String proposedLeaseId,
                                    AccessCondition accessCondition,
                                    BlobRequestOptions options,
                                    OperationContext opContext)
                         throws StorageException
```
    Changes the existing lease ID to the proposed lease Id with the specified access conditions, request options, and operation context.
    
    Parameters:
    proposedLeaseId - A String that represents the proposed lease ID for the new lease, or null if no lease ID is proposed.
    accessCondition - An AccessCondition object that represents the access conditions for the blob. The lease ID is required to be set with an access condition.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client (CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. The context is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Returns:
    A String that represents the new lease ID.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - startCopyFromBlob
```
@DoesServiceRequest
public final String startCopyFromBlob(CloudBlob sourceBlob)
                               throws StorageException,
                                      URISyntaxException
```
    Requests the service to start copying a blob's contents, properties, and metadata to a new blob.
    
    Parameters:
    sourceBlob - A CloudBlob object that represents the source blob to copy.
    
    Returns:
    A String which represents the copy ID associated with the copy operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    URISyntaxException
  - startCopyFromBlob
```
@DoesServiceRequest
public final String startCopyFromBlob(CloudBlob sourceBlob,
                                          AccessCondition sourceAccessCondition,
                                          AccessCondition destinationAccessCondition,
                                          BlobRequestOptions options,
                                          OperationContext opContext)
                               throws StorageException,
                                      URISyntaxException
```
    Requests the service to start copying a blob's contents, properties, and metadata to a new blob, using the specified access conditions, lease ID, request options, and operation context.
    
    Parameters:
    sourceBlob - A CloudBlob object that represents the source blob to copy.
    sourceAccessCondition - An AccessCondition object that represents the access conditions for the source blob.
    destinationAccessCondition - An AccessCondition object that represents the access conditions for the destination blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Returns:
    A String which represents the copy ID associated with the copy operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    URISyntaxException
  - startCopyFromBlob
```
@DoesServiceRequest
public final String startCopyFromBlob(URI source)
                               throws StorageException
```
    Requests the service to start copying a blob's contents, properties, and metadata to a new blob.
    
    Parameters:
    source - A java.net.URI The URI of a source blob.
    
    Returns:
    A String which represents the copy ID associated with the copy operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - startCopyFromBlob
```
@DoesServiceRequest
public final String startCopyFromBlob(URI source,
                                          AccessCondition sourceAccessCondition,
                                          AccessCondition destinationAccessCondition,
                                          BlobRequestOptions options,
                                          OperationContext opContext)
                               throws StorageException
```
    Requests the service to start copying a blob's contents, properties, and metadata to a new blob, using the specified access conditions, lease ID, request options, and operation context.
    
    Parameters:
    source - A java.net.URI The URI of a source blob.
    sourceAccessCondition - An AccessCondition object that represents the access conditions for the source blob.
    destinationAccessCondition - An AccessCondition object that represents the access conditions for the destination blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Returns:
    A String which represents the copy ID associated with the copy operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - createSnapshot
```
@DoesServiceRequest
public final CloudBlob createSnapshot()
                               throws StorageException
```
    Creates a snapshot of the blob.
    
    Returns:
    A CloudBlob object that represents the snapshot of the blob.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - createSnapshot
```
@DoesServiceRequest
public final CloudBlob createSnapshot(AccessCondition accessCondition,
                                          BlobRequestOptions options,
                                          OperationContext opContext)
                               throws StorageException
```
    Creates a snapshot of the blob using the specified request options and operation context.
    
    Parameters:
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Returns:
    A CloudBlob object that represents the snapshot of the blob.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - createSnapshot
```
@DoesServiceRequest
public final CloudBlob createSnapshot(HashMap<String,String> metadata,
                                          AccessCondition accessCondition,
                                          BlobRequestOptions options,
                                          OperationContext opContext)
                               throws StorageException
```
    Creates a snapshot of the blob using the specified request options and operation context.
    
    Parameters:
    metadata - A collection of name-value pairs defining the metadata of the snapshot, or null.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Returns:
    A CloudBlob object that represents the snapshot of the blob.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - delete
```
@DoesServiceRequest
public final void delete()
                  throws StorageException
```
    Deletes the blob.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - delete
```
@DoesServiceRequest
public final void delete(DeleteSnapshotsOption deleteSnapshotsOption,
                             AccessCondition accessCondition,
                             BlobRequestOptions options,
                             OperationContext opContext)
                  throws StorageException
```
    Deletes the blob using the specified snapshot and request options, and operation context.
    A blob that has snapshots cannot be deleted unless the snapshots are also deleted. If a blob has snapshots, use the DeleteSnapshotsOption.DELETE_SNAPSHOTS_ONLY or DeleteSnapshotsOption.INCLUDE_SNAPSHOTS value in the deleteSnapshotsOption parameter to specify how the snapshots should be handled when the blob is deleted.
    
    Parameters:
    deleteSnapshotsOption - A DeleteSnapshotsOption object that indicates whether to delete only snapshots, or the blob and its snapshots.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - deleteIfExists
```
@DoesServiceRequest
public final boolean deleteIfExists()
                             throws StorageException
```
    Deletes the blob if it exists.
    A blob that has snapshots cannot be deleted unless the snapshots are also deleted. If a blob has snapshots, use the DeleteSnapshotsOption.DELETE_SNAPSHOTS_ONLY or DeleteSnapshotsOption.INCLUDE_SNAPSHOTS value in the deleteSnapshotsOption parameter to specify how the snapshots should be handled when the blob is deleted.
    
    Returns:
    true if the blob was deleted; otherwise, false.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - deleteIfExists
```
@DoesServiceRequest
public final boolean deleteIfExists(DeleteSnapshotsOption deleteSnapshotsOption,
                                        AccessCondition accessCondition,
                                        BlobRequestOptions options,
                                        OperationContext opContext)
                             throws StorageException
```
    Deletes the blob if it exists, using the specified snapshot and request options, and operation context.
    A blob that has snapshots cannot be deleted unless the snapshots are also deleted. If a blob has snapshots, use the DeleteSnapshotsOption.DELETE_SNAPSHOTS_ONLY or DeleteSnapshotsOption.INCLUDE_SNAPSHOTS value in the deleteSnapshotsOption parameter to specify how the snapshots should be handled when the blob is deleted.
    
    Parameters:
    deleteSnapshotsOption - A DeleteSnapshotsOption object that indicates whether to delete only snapshots, or the blob and its snapshots.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Returns:
    true if the blob existed and was deleted; otherwise, false
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - download
```
@DoesServiceRequest
public final void download(OutputStream outStream)
                    throws StorageException
```
    Downloads the contents of a blob to a stream.
    
    Parameters:
    outStream - An OutputStream object that represents the target stream.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - download
```
@DoesServiceRequest
public final void download(OutputStream outStream,
                               AccessCondition accessCondition,
                               BlobRequestOptions options,
                               OperationContext opContext)
                    throws StorageException
```
    Downloads the contents of a blob to a stream using the specified request options and operation context.
    
    Parameters:
    outStream - An OutputStream object that represents the target stream.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - downloadRange
```
@DoesServiceRequest
public final void downloadRange(long offset,
                                    Long length,
                                    OutputStream outStream)
                         throws StorageException
```
    Downloads the contents of a blob to a stream.
    
    Parameters:
    offset - A long which represents the offset to use as the starting point for the source.
    length - A Long which represents the number of bytes to read or null.
    outStream - An OutputStream object that represents the target stream.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - downloadRange
```
@DoesServiceRequest
public final void downloadRange(long offset,
                                    Long length,
                                    OutputStream outStream,
                                    AccessCondition accessCondition,
                                    BlobRequestOptions options,
                                    OperationContext opContext)
                         throws StorageException
```
    Downloads the contents of a blob to a stream using the specified request options and operation context.
    
    Parameters:
    offset - A long which represents the offset to use as the starting point for the source.
    length - A Long which represents the number of bytes to read or null.
    outStream - An OutputStream object that represents the target stream.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - downloadAttributes
```
@DoesServiceRequest
public final void downloadAttributes()
                              throws StorageException
```
    Populates a blob's properties and metadata.
    This method populates the blob's system properties and user-defined metadata. Before reading or modifying a blob's properties or metadata, call this method or its overload to retrieve the latest values for the blob's properties and metadata from the Microsoft Azure storage service.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - downloadAttributes
```
@DoesServiceRequest
public final void downloadAttributes(AccessCondition accessCondition,
                                         BlobRequestOptions options,
                                         OperationContext opContext)
                              throws StorageException
```
    Populates a blob's properties and metadata using the specified request options and operation context.
    This method populates the blob's system properties and user-defined metadata. Before reading or modifying a blob's properties or metadata, call this method or its overload to retrieve the latest values for the blob's properties and metadata from the Microsoft Azure storage service.
    
    Parameters:
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - downloadRangeInternal
```
@DoesServiceRequest
protected final int downloadRangeInternal(long blobOffset,
                                           Long length,
                                           byte[] buffer,
                                           int bufferOffset,
                                           AccessCondition accessCondition,
                                           BlobRequestOptions options,
                                           OperationContext opContext)
                                   throws StorageException
```
    Downloads a range of bytes from the blob to the given byte buffer.
    
    Parameters:
    blobOffset - A long which represents the offset within the blob to begin downloading.
    length - A Long which represents the number of bytes to read.
    buffer - A byte array which represents the buffer to write to.
    bufferOffset - An int which represents the offset in the byte buffer to begin writing.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request.
    opContext - An OperationContext object used to track the execution of the operation.
    
    Throws:
    
    StorageException - an exception representing any error which occurred during the operation.
  - downloadRangeToByteArray
```
@DoesServiceRequest
public final int downloadRangeToByteArray(long offset,
                                              Long length,
                                              byte[] buffer,
                                              int bufferOffet)
                                   throws StorageException
```
    Downloads a range of bytes from the blob to the given byte buffer.
    
    Parameters:
    offset - A long which represents the byte offset to use as the starting point for the source.
    length - A Long which represents the number of bytes to read or null.
    buffer - A byte array which represents the buffer to which the blob bytes are downloaded.
    bufferOffet - An int which represents the byte offset to use as the starting point for the target.
    
    Throws:
    
    StorageException
  - downloadRangeToByteArray
```
@DoesServiceRequest
public final int downloadRangeToByteArray(long offset,
                                              Long length,
                                              byte[] buffer,
                                              int bufferOffset,
                                              AccessCondition accessCondition,
                                              BlobRequestOptions options,
                                              OperationContext opContext)
                                   throws StorageException
```
    Downloads a range of bytes from the blob to the given byte buffer, using the specified request options and operation context.
    
    Parameters:
    offset - A long which represents the byte offset to use as the starting point for the source.
    length - A Long which represents the number of bytes to read or null.
    buffer - A byte array which represents the buffer to which the blob bytes are downloaded.
    bufferOffset - An int which represents the byte offset to use as the starting point for the target.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - downloadToByteArray
```
@DoesServiceRequest
public final int downloadToByteArray(byte[] buffer,
                                         int bufferOffet)
                              throws StorageException
```
    Downloads a range of bytes from the blob to the given byte buffer.
    
    Parameters:
    buffer - A byte array which represents the buffer to which the blob bytes are downloaded.
    bufferOffet - An int which represents the byte offset to use as the starting point for the target.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - downloadToByteArray
```
@DoesServiceRequest
public final int downloadToByteArray(byte[] buffer,
                                         int bufferOffset,
                                         AccessCondition accessCondition,
                                         BlobRequestOptions options,
                                         OperationContext opContext)
                              throws StorageException
```
    Downloads a range of bytes from the blob to the given byte buffer, using the specified request options and operation context.
    
    Parameters:
    buffer - A byte array which represents the buffer to which the blob bytes are downloaded.
    bufferOffet - A long which represents the byte offset to use as the starting point for the target.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - uploadFromByteArray
```
public void uploadFromByteArray(byte[] buffer,
                       int offset,
                       int length)
                         throws StorageException,
                                IOException
```
    Uploads a blob from data in a byte array.
    
    Parameters:
    buffer - A byte array which represents the data to write to the blob.
    offset - A int which represents the offset of the byte array from which to start the data upload.
    length - An int which represents the number of bytes to upload from the input buffer.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    IOException
  - uploadFromByteArray
```
public void uploadFromByteArray(byte[] buffer,
                       int offset,
                       int length,
                       AccessCondition accessCondition,
                       BlobRequestOptions options,
                       OperationContext opContext)
                         throws StorageException,
                                IOException
```
    Uploads a blob from data in a byte array.
    
    Parameters:
    buffer - A byte array which represents the data to write to the blob.
    offset - A int which represents the offset of the byte array from which to start the data upload.
    length - An int which represents the number of bytes to upload from the input buffer.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    IOException
  - uploadFromFile
```
public void uploadFromFile(String path)
                    throws StorageException,
                           IOException
```
    Uploads a blob from a file.
    
    Parameters:
    path - A String which represents the path to the file to be uploaded.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    IOException
  - uploadFromFile
```
public void uploadFromFile(String path,
                  AccessCondition accessCondition,
                  BlobRequestOptions options,
                  OperationContext opContext)
                    throws StorageException,
                           IOException
```
    Uploads a blob from a file.
    
    Parameters:
    path - A String which represents the path to the file to be uploaded.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    IOException
  - downloadToFile
```
public void downloadToFile(String path)
                    throws StorageException,
                           IOException
```
    Downloads a blob, storing the contents in a file.
    
    Parameters:
    path - A String which represents the path to the file that will be created with the contents of the blob.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    IOException
  - downloadToFile
```
public void downloadToFile(String path,
                  AccessCondition accessCondition,
                  BlobRequestOptions options,
                  OperationContext opContext)
                    throws StorageException,
                           IOException
```
    Downloads a blob, storing the contents in a file.
    
    Parameters:
    path - A String which represents the path to the file that will be created with the contents of the blob.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    IOException
  - exists
```
@DoesServiceRequest
public final boolean exists()
                     throws StorageException
```
    Checks to see if the blob exists.
    
    Returns:
    true if the blob exists, otherwise false.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - exists
```
@DoesServiceRequest
public final boolean exists(AccessCondition accessCondition,
                                BlobRequestOptions options,
                                OperationContext opContext)
                     throws StorageException
```
    Checks to see if the blob exists, using the specified request options and operation context.
    
    Parameters:
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Returns:
    true if the blob exists, other wise false.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - generateSharedAccessSignature
```
public String generateSharedAccessSignature(SharedAccessBlobPolicy policy,
                                   String groupPolicyIdentifier)
                                     throws InvalidKeyException,
                                            StorageException
```
    Returns a shared access signature for the blob using the specified group policy identifier and operation context. Note this does not contain the leading "?".
    
    Parameters:
    policy - A SharedAccessPolicy object that represents the access policy for the shared access signature.
    groupPolicyIdentifier - A String that represents the container-level access policy.
    
    Returns:
    A String that represents the shared access signature.
    
    Throws:
    
    IllegalArgumentException - If the credentials are invalid or the blob is a snapshot.
    
    InvalidKeyException - If the credentials are invalid.
    
    StorageException - If a storage service error occurred.
  - generateSharedAccessSignature
```
public String generateSharedAccessSignature(SharedAccessBlobPolicy policy,
                                   SharedAccessBlobHeaders headers,
                                   String groupPolicyIdentifier)
                                     throws InvalidKeyException,
                                            StorageException
```
    Returns a shared access signature for the blob using the specified group policy identifier and operation context. Note this does not contain the leading "?".
    
    Parameters:
    policy - A SharedAccessPolicy object that represents the access policy for the shared access signature.
    headers - A SharedAccessBlobHeaders object that represents the optional header values to set for a blob accessed with this shared access signature.
    groupPolicyIdentifier - A String that represents the container-level access policy.
    
    Returns:
    A String that represents the shared access signature.
    
    Throws:
    
    IllegalArgumentException - If the credentials are invalid or the blob is a snapshot.
    
    InvalidKeyException - If the credentials are invalid.
    
    StorageException - If a storage service error occurred.
  - getContainer
```
public final CloudBlobContainer getContainer()
                                      throws StorageException,
                                             URISyntaxException
```
    Returns the blob's container.
    
    Specified by:
    
    getContainer in interface ListBlobItem
    
    Returns:
    A CloudBlobContainer object that represents the container of the blob.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    URISyntaxException - If the resource URI is invalid.
  - getMetadata
```
public final HashMap<String,String> getMetadata()
```
    Returns the metadata for the blob.
    
    Returns:
    A java.util.HashMap object that represents the metadata for the blob.
  - getName
```
public final String getName()
                     throws URISyntaxException
```
    Returns the name of the blob.
    
    Returns:
    A String that represents the name of the blob.
    
    Throws:
    
    URISyntaxException - If the resource URI is invalid.
  - getParent
```
public final CloudBlobDirectory getParent()
                                   throws URISyntaxException,
                                          StorageException
```
    Returns the blob item's parent.
    
    Specified by:
    
    getParent in interface ListBlobItem
    
    Returns:
    A CloudBlobDirectory object that represents the parent directory for the blob.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    URISyntaxException - If the resource URI is invalid.
  - getProperties
```
public final BlobProperties getProperties()
```
    Returns the blob's properties.
    
    Returns:
    A BlobProperties object that represents the properties of the blob.
  - getCopyState
```
public CopyState getCopyState()
```
    Returns the blob's copy state.
    
    Returns:
    A CopyState object that represents the copy state of the blob.
  - getQualifiedStorageUri
```
public final StorageUri getQualifiedStorageUri()
                                        throws URISyntaxException,
                                               StorageException
```
    Returns the snapshot or shared access signature qualified URI for this blob.
    
    Returns:
    A StorageUri object that represents the snapshot or shared access signature.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    URISyntaxException - If the resource URI is invalid.
  - getQualifiedUri
```
public final URI getQualifiedUri()
                          throws URISyntaxException,
                                 StorageException
```
    Returns the snapshot or shared access signature qualified URI for this blob.
    
    Returns:
    A java.net.URI object that represents the snapshot or shared access signature.
    
    Throws:
    
    StorageException - If a storage service error occurred.
    
    URISyntaxException - If the resource URI is invalid.
  - getServiceClient
```
public final CloudBlobClient getServiceClient()
```
    Returns the Blob service client associated with the blob.
    
    Returns:
    A CloudBlobClient object that represents the client.
  - getSnapshotID
```
public final String getSnapshotID()
```
    Gets the Blob Snapshot ID.
    
    Returns:
    A String which represents the Blob Snapshot ID.
  - getStorageUri
```
public final StorageUri getStorageUri()
```
    Returns the list of URIs for all locations.
    
    Specified by:
    
    getStorageUri in interface ListBlobItem
    
    Returns:
    A StorageUri that represents the list of URIs for all locations..
  - getStreamWriteSizeInBytes
```
public final int getStreamWriteSizeInBytes()
```
    Gets the number of bytes to buffer when writing to a BlobOutputStream (block and page blobs).
    
    Returns:
    A int which represents the number of bytes to buffer or the size of a block, in bytes.
  - getStreamMinimumReadSizeInBytes
```
public final int getStreamMinimumReadSizeInBytes()
```
    Returns the minimum read size when using a BlobInputStream.
    
    Returns:
    A int which represents the minimum read size, in bytes, when using a BlobInputStream object.
  - getTransformedAddress
```
protected final StorageUri getTransformedAddress(OperationContext opContext)
                                          throws URISyntaxException,
                                                 StorageException
```
    Returns the transformed URI for the resource if the given credentials require transformation.
    
    Parameters:
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Returns:
    A StorageUri object that represents the transformed URI.
    
    Throws:
    
    IllegalArgumentException - If the URI is not absolute.
    
    StorageException - If a storage service error occurred.
    
    URISyntaxException - If the resource URI is invalid.
  - getUri
```
public final URI getUri()
```
    Returns the URI for this blob.
    
    Specified by:
    
    getUri in interface ListBlobItem
    
    Returns:
    A java.net.URI object that represents the URI for the blob.
  - isSnapshot
```
public final boolean isSnapshot()
```
    Indicates whether this blob is a snapshot.
    
    Returns:
    true if the blob is a snapshot, otherwise false.
    See Also:
    DeleteSnapshotsOption
  - openInputStream
```
@DoesServiceRequest
public final BlobInputStream openInputStream()
                                      throws StorageException
```
    Opens a blob input stream to download the blob.
    Use CloudBlobClient#setStreamMinimumReadSizeInBytes to configure the read size.
    
    Returns:
    An InputStream object that represents the stream to use for reading from the blob.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - openInputStream
```
@DoesServiceRequest
public final BlobInputStream openInputStream(AccessCondition accessCondition,
                                                 BlobRequestOptions options,
                                                 OperationContext opContext)
                                      throws StorageException
```
    Opens a blob input stream to download the blob using the specified request options and operation context.
    Use CloudBlobClient#setStreamMinimumReadSizeInBytes to configure the read size.
    
    Parameters:
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Returns:
    An InputStream object that represents the stream to use for reading from the blob.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - parseURIQueryStringAndVerify
```
protected void parseURIQueryStringAndVerify(StorageUri completeUri,
                                CloudBlobClient existingClient,
                                boolean usePathStyleUris)
                                     throws StorageException
```
    Parse Uri for SAS (Shared access signature) information. Validate that no other query parameters are passed in. Any SAS information will be recorded as corresponding credentials instance. If existingClient is passed in, any SAS information found will not be supported. Otherwise a new client is created based on SAS information or as anonymous credentials.
    
    Parameters:
    completeUri - A StorageUri object which represents the complete Uri.
    existingClient - A CloudBlobClient object which represents the client to use.
    usePathStyleUris - true if path-style URIs are used; otherwise, false.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - releaseLease
```
@DoesServiceRequest
public final void releaseLease(AccessCondition accessCondition)
                        throws StorageException
```
    Releases the lease on the blob.
    
    Parameters:
    accessCondition - An AccessCondition object that represents the access conditions for the blob. The LeaseID is required to be set on the AccessCondition.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - releaseLease
```
@DoesServiceRequest
public final void releaseLease(AccessCondition accessCondition,
                                   BlobRequestOptions options,
                                   OperationContext opContext)
                        throws StorageException
```
    Releases the lease on the blob using the specified request options and operation context.
    
    Parameters:
    accessCondition - An AccessCondition object that represents the access conditions for the blob.The LeaseID is required to be set on the AccessCondition.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - renewLease
```
@DoesServiceRequest
public final void renewLease(AccessCondition accessCondition)
                      throws StorageException
```
    Renews an existing lease.
    
    Parameters:
    accessCondition - An AccessCondition object that represents the access conditions for the blob. The LeaseID is required to be set on the AccessCondition.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - renewLease
```
@DoesServiceRequest
public final void renewLease(AccessCondition accessCondition,
                                 BlobRequestOptions options,
                                 OperationContext opContext)
                      throws StorageException
```
    Renews an existing lease using the specified request options and operation context.
    
    Parameters:
    accessCondition - An AccessCondition object that represents the access conditions for the blob. The LeaseID is required to be set on the AccessCondition.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - setContainer
```
protected final void setContainer(CloudBlobContainer container)
```
    Sets the container for the blob.
    
    Parameters:
    container - A CloudBlobContainer object that represents the container being assigned to the blob.
  - setMetadata
```
public final void setMetadata(HashMap<String,String> metadata)
```
    Sets the metadata for the blob.
    
    Parameters:
    metadata - A java.util.HashMap object that contains the metadata being assigned to the blob.
  - setProperties
```
protected final void setProperties(BlobProperties properties)
```
    Sets the properties for the blob.
    
    Parameters:
    properties - A BlobProperties object that represents the properties being assigned to the blob.
  - setSnapshotID
```
protected final void setSnapshotID(String snapshotID)
```
    Sets the blob snapshot ID.
    
    Parameters:
    snapshotID - A String that represents the snapshot ID being assigned to the blob.
  - setStorageUri
```
protected void setStorageUri(StorageUri storageUri)
```
    Sets the list of URIs for all locations.
    
    Parameters:
    storageUri - A StorageUri that represents the list of URIs for all locations.
  - setStreamWriteSizeInBytes
```
public abstract void setStreamWriteSizeInBytes(int streamWriteSizeInBytes)
```
    Sets the number of bytes to buffer when writing to a BlobOutputStream (block and page blobs).
    
    Parameters:
    streamWriteSizeInBytes - An int that represents the number of bytes to buffer or the size of a block, in bytes.
  - setStreamMinimumReadSizeInBytes
```
public void setStreamMinimumReadSizeInBytes(int minimumReadSize)
```
    Sets the minimum read size when using a BlobInputStream.
    
    Parameters:
    minimumReadSize - An int that represents the minimum block size, in bytes, for reading from a blob while using a BlobInputStream object. Must be greater than or equal to 16 KB.
    
    Throws:
    
    IllegalArgumentException - If minimumReadSize is less than 16 KB.
  - updateEtagAndLastModifiedFromResponse
```
protected void updateEtagAndLastModifiedFromResponse(HttpURLConnection request)
```
  - updateLengthFromResponse
```
protected void updateLengthFromResponse(HttpURLConnection request)
```
  - upload
```
@DoesServiceRequest
public abstract void upload(InputStream sourceStream,
                             long length)
                     throws StorageException,
                            IOException
```
    Uploads the source stream data to the blob.
    
    Parameters:
    sourceStream - An InputStream object that represents the source stream to upload.
    length - An long that represents the length of the stream data in bytes, or -1 if unknown. The length must be greater than zero and a multiple of 512 for page blobs.
    
    Throws:
    
    IOException - If an I/O exception occurred.
    
    StorageException - If a storage service error occurred.
  - upload
```
@DoesServiceRequest
public abstract void upload(InputStream sourceStream,
                             long length,
                             AccessCondition accessCondition,
                             BlobRequestOptions options,
                             OperationContext opContext)
                     throws StorageException,
                            IOException
```
    Uploads the source stream data to the blob using the specified lease ID, request options, and operation context.
    
    Parameters:
    sourceStream - An InputStream object that represents the source stream to upload.
    length - The length of the stream data in bytes, or -1 if unknown. The length must be greater than zero and a multiple of 512 for page blobs.
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    IOException - If an I/O exception occurred.
    
    StorageException - If a storage service error occurred.
  - uploadMetadata
```
@DoesServiceRequest
public final void uploadMetadata()
                          throws StorageException
```
    Uploads the blob's metadata to the storage service.
    Use downloadAttributes() to retrieve the latest values for the blob's properties and metadata from the Microsoft Azure storage service.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - uploadMetadata
```
@DoesServiceRequest
public final void uploadMetadata(AccessCondition accessCondition,
                                     BlobRequestOptions options,
                                     OperationContext opContext)
                          throws StorageException
```
    Uploads the blob's metadata to the storage service using the specified lease ID, request options, and operation context.
    Use downloadAttributes() to retrieve the latest values for the blob's properties and metadata from the Microsoft Azure storage service.
    
    Parameters:
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - uploadProperties
```
@DoesServiceRequest
public final void uploadProperties()
                            throws StorageException
```
    Updates the blob's properties to the storage service.
    Use downloadAttributes() to retrieve the latest values for the blob's properties and metadata from the Microsoft Azure storage service.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - uploadProperties
```
@DoesServiceRequest
public final void uploadProperties(AccessCondition accessCondition,
                                       BlobRequestOptions options,
                                       OperationContext opContext)
                            throws StorageException
```
    Updates the blob's properties using the specified lease ID, request options, and operation context.
    Use downloadAttributes() to retrieve the latest values for the blob's properties and metadata from the Microsoft Azure storage service.
    
    Parameters:
    accessCondition - An AccessCondition object that represents the access conditions for the blob.
    options - A BlobRequestOptions object that specifies any additional options for the request. Specifying null will use the default request options from the associated service client ( CloudBlobClient).
    opContext - An OperationContext object that represents the context for the current operation. This object is used to track requests to the storage service, and to provide additional runtime information about the operation.
    
    Throws:
    
    StorageException - If a storage service error occurred.
  - getParentNameFromURI
```
protected static String getParentNameFromURI(StorageUri resourceAddress,
                          String delimiter,
                          CloudBlobContainer container)
                                      throws URISyntaxException
```
    Retrieves the parent name for a blob URI.
    
    Parameters:
    resourceAddress - A StorageUri object which represents the resource URI.
    delimiter - A String which specifies the directory delimiter to use.
    usePathStyleUris - A CloudBlobContainer object which represents the blob container.
    
    Returns:
    A String which represents the parent address for a blob URI.
    
    Throws:
    
    URISyntaxException

/** 
* Copyright Microsoft Corporation 
* 
* Licensed under the Apache License, Version 2.0 (the "License"); 
* you may not use this file except in compliance with the License. 
* You may obtain a copy of the License at 
* http://www.apache.org/licenses/LICENSE-2.0 
* 
* Unless required by applicable law or agreed to in writing, software 
* distributed under the License is distributed on an "AS IS" BASIS, 
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
* See the License for the specific language governing permissions and 
* limitations under the License. 
*/

Class CloudBlob

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

parent

streamWriteSizeInBytes

streamMinimumReadSizeInBytes

blobServiceClient

Constructor Detail

CloudBlob

CloudBlob

CloudBlob

CloudBlob

CloudBlob

Method Detail

abortCopy

abortCopy

acquireLease

acquireLease

assertCorrectBlobType

assertNoWriteOperationForSnapshot

breakLease

breakLease

changeLease

changeLease

startCopyFromBlob

startCopyFromBlob

startCopyFromBlob

startCopyFromBlob

createSnapshot

createSnapshot

createSnapshot

delete

delete

deleteIfExists

deleteIfExists

download

download

downloadRange

downloadRange

downloadAttributes

downloadAttributes

downloadRangeInternal

downloadRangeToByteArray

downloadRangeToByteArray

downloadToByteArray

downloadToByteArray

uploadFromByteArray

uploadFromByteArray

uploadFromFile

uploadFromFile

downloadToFile

downloadToFile

exists

exists

generateSharedAccessSignature

generateSharedAccessSignature

getContainer

getMetadata

getName

getParent

getProperties

getCopyState

getQualifiedStorageUri

getQualifiedUri

getServiceClient

getSnapshotID

getStorageUri

getStreamWriteSizeInBytes

getStreamMinimumReadSizeInBytes

getTransformedAddress

getUri

isSnapshot

openInputStream

openInputStream

parseURIQueryStringAndVerify

releaseLease

releaseLease