CloudBlobContainer Class

Reference

Package:: com.microsoft.azure.storage.blob

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

public class CloudBlobContainer

Represents a container in the Microsoft Azure Blob service.

Containers hold directories, which are encapsulated as CloudBlobDirectory objects, and directories hold block blobs and page blobs. Directories can also contain sub-directories.

Field Summary

Modifier and Type	Field and Description
HashMap<String, String>	metadata Represents the container metadata.

Constructor Summary

Constructor	Description
CloudBlobContainer(final StorageUri storageUri)	Creates an instance of the class using the specified URI. The blob URI should include a SAS token unless anonymous access is to be used.
CloudBlobContainer(final StorageUri storageUri, final StorageCredentials credentials)	Creates an instance of the class using the specified StorageUri and credentials.
CloudBlobContainer(final String containerName, final CloudBlobClient client)	Creates an instance of the class using the specified name and client.
CloudBlobContainer(final URI uri)	Creates an instance of the class using the specified URI. The blob URI should include a SAS token unless anonymous access is to be used.
CloudBlobContainer(final URI uri, final StorageCredentials credentials)	Creates an instance of the class using the specified URI and credentials.

Method Summary

Modifier and Type	Method and Description
final String	acquireLease() Acquires a new infinite lease on the container.
final String	acquireLease(final Integer leaseTimeInSeconds, final String proposedLeaseId) Acquires a new lease on the container with the specified lease time and proposed lease ID.
final String	acquireLease(final Integer leaseTimeInSeconds, final String proposedLeaseId, final AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext) Acquires a new lease on the container with the specified lease time, proposed lease ID, request options, and operation context.
final long	breakLease(final Integer breakPeriodInSeconds) Breaks the lease and ensures that another client cannot acquire a new lease until the current lease period has expired.
final long	breakLease(final Integer breakPeriodInSeconds, final 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.
final String	changeLease(final String proposedLeaseId, final AccessCondition accessCondition) Changes the existing lease ID to the proposed lease ID.
final String	changeLease(final String proposedLeaseId, final 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.
void	create() Creates the container.
void	create(BlobContainerPublicAccessType accessType, BlobRequestOptions options, OperationContext opContext) Creates the container using the specified options and operation context.
void	create(BlobRequestOptions options, OperationContext opContext) Creates the container using the specified options and operation context.
boolean	createIfNotExists() Creates the container if it does not exist.
boolean	createIfNotExists(BlobContainerPublicAccessType accessType, BlobRequestOptions options, OperationContext opContext) Creates the container if it does not exist, using the specified request options and operation context.
boolean	createIfNotExists(BlobRequestOptions options, OperationContext opContext) Creates the container if it does not exist, using the specified request options and operation context.
void	delete() Deletes the container.
void	delete(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext) Deletes the container using the specified request options and operation context.
boolean	deleteIfExists() Deletes the container if it exists.
boolean	deleteIfExists(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext) Deletes the container if it exists using the specified request options and operation context.
AccountInformation	downloadAccountInfo() Gets information related to the storage account in which this container resides.
AccountInformation	downloadAccountInfo(BlobRequestOptions options, OperationContext opContext) Gets information related to the storage account in which this container resides.
StorageRequest<ServiceClient, CloudBlobContainer, AccountInformation>	downloadAccountInformationImpl(final RequestOptions options)
void	downloadAttributes() Downloads the container's attributes, which consist of metadata and properties.
void	downloadAttributes(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext) Downloads the container's attributes, which consist of metadata and properties, using the specified request options and operation context.
BlobContainerPermissions	downloadPermissions() Downloads the permission settings for the container.
BlobContainerPermissions	downloadPermissions(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext) Downloads the permissions settings for the container using the specified request options and operation context.
boolean	exists() Returns a value that indicates whether the container exists.
boolean	exists(final AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext) Returns a value that indicates whether the container exists, using the specified request options and operation context.
String	generateSharedAccessSignature(final SharedAccessBlobPolicy policy, final String groupPolicyIdentifier) Returns a shared access signature for the container. Note this does not contain the leading "?".
String	generateSharedAccessSignature(final SharedAccessBlobPolicy policy, final String groupPolicyIdentifier, final IPRange ipRange, final SharedAccessProtocols protocols) Returns a shared access signature for the container. Note this does not contain the leading "?".
CloudAppendBlob	getAppendBlobReference(final String blobName) Returns a reference to a CloudAppendBlob object that represents an append blob in this container.
CloudAppendBlob	getAppendBlobReference(final String blobName, final String snapshotID) Returns a reference to a CloudAppendBlob object that represents an append blob in the container, using the specified snapshot ID.
final CloudBlob	getBlobReferenceFromServer(final String blobName) Gets a reference to a blob in this container. The blob must already exist on the service. Unlike the other get*Reference methods, this method does a service request to retrieve the blob's metadata and properties. The returned blob may be used directly as a CloudBlob or cast using either instanceof or getProperties().getBlobType() to determine its subtype.
final CloudBlob	getBlobReferenceFromServer(final String blobName, final String snapshotID, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext) Gets a reference to a blob in this container. The blob must already exist on the service. Unlike the other get*Reference methods, this method does a service request to retrieve the blob's metadata and properties. The returned blob may be used directly as a CloudBlob or cast using either instanceof or getProperties().getBlobType() to determine its subtype.
CloudBlockBlob	getBlockBlobReference(final String blobName) Returns a reference to a CloudBlockBlob object that represents a block blob in this container.
CloudBlockBlob	getBlockBlobReference(final String blobName, final String snapshotID) Returns a reference to a CloudBlockBlob object that represents a block blob in this container, using the specified snapshot ID.
CloudBlobDirectory	getDirectoryReference(String directoryName) Returns a reference to a CloudBlobDirectory object that represents a virtual blob directory within this container.
HashMap<String, String>	getMetadata() Returns the metadata for the container. This value is initialized with the metadata from the queue by a call to downloadAttributes(), and is set on the queue with a call to uploadMetadata().
String	getName() Returns the name of the container.
CloudPageBlob	getPageBlobReference(final String blobName) Returns a reference to a CloudPageBlob object that represents a page blob in this container.
CloudPageBlob	getPageBlobReference(final String blobName, final String snapshotID) Returns a reference to a CloudPageBlob object that represents a page blob in the container, using the specified snapshot ID.
BlobContainerProperties	getProperties() Returns the properties for the container.
CloudBlobClient	getServiceClient() Returns the Blob service client associated with this container.
StorageUri	getStorageUri() Returns the list of URIs for all locations.
URI	getUri() Returns the URI for this container.
Iterable<ListBlobItem>	listBlobs() Returns an enumerable collection of blob items for the container.
Iterable<ListBlobItem>	listBlobs(final String prefix) Returns an enumerable collection of blob items for the container whose names begin with the specified prefix.
Iterable<ListBlobItem>	listBlobs(final String prefix, final boolean useFlatBlobListing) Returns an enumerable collection of blob items for the container whose names begin with the specified prefix using the specified flat or hierarchical option.
Iterable<ListBlobItem>	listBlobs(final String prefix, final boolean useFlatBlobListing, final EnumSet<BlobListingDetails> listingDetails, BlobRequestOptions options, OperationContext opContext) Returns an enumerable collection of blob items for the container whose names begin with the specified prefix, using the specified flat or hierarchical option, listing details options, request options, and operation context.
ResultSegment<ListBlobItem>	listBlobsSegmented() Returns a result segment of an enumerable collection of blob items in the container.
ResultSegment<ListBlobItem>	listBlobsSegmented(final String prefix) Returns a result segment containing a collection of blob items whose names begin with the specified prefix.
ResultSegment<ListBlobItem>	listBlobsSegmented(final String prefix, final boolean useFlatBlobListing, final EnumSet<BlobListingDetails> listingDetails, final Integer maxResults, final ResultContinuation continuationToken, BlobRequestOptions options, OperationContext opContext) Returns a result segment containing a collection of blob items whose names begin with the specified prefix, using the specified flat or hierarchical option, listing details options, request options, and operation context.
Iterable<CloudBlobContainer>	listContainers() Returns an enumerable collection of containers for the service client associated with this container.
Iterable<CloudBlobContainer>	listContainers(final String prefix) Returns an enumerable collection of containers whose names begin with the specified prefix for the service client associated with this container.
Iterable<CloudBlobContainer>	listContainers(final String prefix, final ContainerListingDetails detailsIncluded, final BlobRequestOptions options, final OperationContext opContext) Returns an enumerable collection of containers whose names begin with the specified prefix for the service client associated with this container, using the specified details setting, request options, and operation context.
ResultSegment<CloudBlobContainer>	listContainersSegmented() Returns a result segment of an enumerable collection of containers for the service client associated with this container.
ResultSegment<CloudBlobContainer>	listContainersSegmented(final String prefix) Returns a result segment of an enumerable collection of containers whose names begin with the specified prefix for the service client associated with this container.
ResultSegment<CloudBlobContainer>	listContainersSegmented(final String prefix, final ContainerListingDetails detailsIncluded, final Integer maxResults, final ResultContinuation continuationToken, final BlobRequestOptions options, final OperationContext opContext) Returns a result segment containing a collection of containers whose names begin with the specified prefix for the service client associated with this container, using the specified listing details options, request options, and operation context.
final void	releaseLease(final AccessCondition accessCondition) Releases the lease on the container.
final void	releaseLease(final AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext) Releases the lease on the container using the specified access conditions, request options, and operation context.
final void	renewLease(final AccessCondition accessCondition) Renews an existing lease with the specified access conditions.
final void	renewLease(final AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext) Renews an existing lease with the specified access conditions, request options, and operation context.
void	setMetadata(final HashMap<String, String> metadata) Sets the metadata collection of name-value pairs to be set on the container with an uploadMetadata() call. This collection will overwrite any existing container metadata. If this is set to an empty collection, the container metadata will be cleared on an uploadMetadata() call.
void	setProperties(final BlobContainerProperties properties) Sets the properties for the container.
void	setStorageUri(final StorageUri storageUri) Sets the list of URIs for all locations.
void	uploadMetadata() Uploads the container's metadata.
void	uploadMetadata(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext) Uploads the container's metadata using the specified request options and operation context.
void	uploadPermissions(final BlobContainerPermissions permissions) Uploads the container's permissions.
void	uploadPermissions(final BlobContainerPermissions permissions, final AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext) Uploads the container's permissions using the specified request options and operation context.

Field Details

metadata

protected HashMap metadata= new HashMap()

Represents the container metadata.

Constructor Details

CloudBlobContainer

public CloudBlobContainer(final StorageUri storageUri)

Creates an instance of the class using the specified URI. The blob URI should include a SAS token unless anonymous access is to be used.

Parameters:

storageUri - A StorageUri object which represents the URI of the container.

Throws:

StorageException - If a storage service error occurred.

CloudBlobContainer

public CloudBlobContainer(final StorageUri storageUri, final StorageCredentials credentials)

Creates an instance of the class using the specified StorageUri and credentials.

Parameters:

storageUri - A StorageUri object which represents the absolute StorageUri of the container.

credentials - A StorageCredentials object used to authenticate access.

Throws:

StorageException - If a storage service error occurred.

CloudBlobContainer

protected CloudBlobContainer(final String containerName, final CloudBlobClient client)

Creates an instance of the class using the specified name and client.

Parameters:

containerName - A String which represents the name of the container, which must adhere to container naming rules. The container name should not include any path separator characters (/). Container names must be lowercase, between 3-63 characters long and must start with a letter or number. Container names may contain only letters, numbers, and the dash (-) character.

client - A CloudBlobClient object that represents the associated service client, and that specifies the endpoint for the Blob service. *

Throws:

StorageException - If a storage service error occurred.

URISyntaxException - If the resource URI constructed based on the containerName is invalid.

CloudBlobContainer

public CloudBlobContainer(final URI uri)

Creates an instance of the class using the specified URI. The blob URI should include a SAS token unless anonymous access is to be used.

Parameters:

uri - A java.net.URI object which represents the URI of the container.

Throws:

StorageException - If a storage service error occurred.

CloudBlobContainer

public CloudBlobContainer(final URI uri, final StorageCredentials credentials)

Creates an instance of the class using the specified URI and credentials.

Parameters:

uri - A java.net.URI object that represents the absolute URI of the container.

credentials - A StorageCredentials object used to authenticate access.

Throws:

StorageException - If a storage service error occurred.

Method Details

acquireLease

public final String acquireLease()

Acquires a new infinite lease on the container.

Returns:

A String that represents the lease ID.

Throws:

StorageException - If a storage service error occurred.

acquireLease

public final String acquireLease(final Integer leaseTimeInSeconds, final String proposedLeaseId)

Acquires a new lease on the container 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

public final String acquireLease(final Integer leaseTimeInSeconds, final String proposedLeaseId, final AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)

Acquires a new lease on the container with the specified lease time, proposed lease ID, 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 container.

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.

breakLease

public final long breakLease(final Integer breakPeriodInSeconds)

Breaks the lease 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.

Returns:

The time, in seconds, remaining in the lease period.

Throws:

StorageException - If a storage service error occurred.

breakLease

public final long breakLease(final Integer breakPeriodInSeconds, final 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.

Parameters:

accessCondition - An AccessCondition object that represents the access conditions for the blob.

Returns:

The time, in seconds, remaining in the lease period.

Throws:

StorageException - If a storage service error occurred.

changeLease

public final String changeLease(final String proposedLeaseId, final AccessCondition accessCondition)

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

public final String changeLease(final String proposedLeaseId, final 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.

Parameters:

proposedLeaseId - A String that represents the proposed lease ID for the new lease. This cannot be null.

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.

create

public void create()

Creates the container.

Throws:

StorageException - If a storage service error occurred.

create

public void create(BlobContainerPublicAccessType accessType, BlobRequestOptions options, OperationContext opContext)

Creates the container using the specified options and operation context.

Parameters:

accessType - A BlobContainerPublicAccessType object that specifies whether data in the container may be accessed publicly and what level of access is to be allowed.

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.

create

public void create(BlobRequestOptions options, OperationContext opContext)

Creates the container using the specified options and operation context.

Parameters:

Throws:

StorageException - If a storage service error occurred.

createIfNotExists

public boolean createIfNotExists()

Creates the container if it does not exist.

Returns:

true if the container did not already exist and was created; otherwise, false.

Throws:

StorageException - If a storage service error occurred.

createIfNotExists

public boolean createIfNotExists(BlobContainerPublicAccessType accessType, BlobRequestOptions options, OperationContext opContext)

Creates the container if it does not exist, using the specified request options and operation context.

Parameters:

accessType - A BlobContainerPublicAccessType object that specifies whether data in the container may be accessed publicly and what level of access is to be allowed.

Returns:

true if the container did not already exist and was created; otherwise, false.

Throws:

StorageException - If a storage service error occurred.

createIfNotExists

public boolean createIfNotExists(BlobRequestOptions options, OperationContext opContext)

Creates the container if it does not exist, using the specified request options and operation context.

Parameters:

Returns:

true if the container did not already exist and was created; otherwise, false.

Throws:

StorageException - If a storage service error occurred.

delete

public void delete()

Deletes the container.

Throws:

StorageException - If a storage service error occurred.

delete

public void delete(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)

Deletes the container using the specified request options and operation context.

Parameters:

accessCondition - An AccessCondition object that represents the access conditions for the container.

Throws:

StorageException - If a storage service error occurred.

deleteIfExists

public boolean deleteIfExists()

Deletes the container if it exists.

Returns:

true if the container did not already exist and was created; otherwise, false.

Throws:

StorageException - If a storage service error occurred.

deleteIfExists

public boolean deleteIfExists(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)

Deletes the container if it exists using the specified request options and operation context.

Parameters:

accessCondition - An AccessCondition object that represents the access conditions for the container.

Returns:

true if the container existed and was deleted; otherwise, false.

Throws:

StorageException - If a storage service error occurred.

downloadAccountInfo

public AccountInformation downloadAccountInfo()

Gets information related to the storage account in which this container resides.

Returns:

A AccountInformation object for the given storage account.

Throws:

StorageException - If a storage service error occurred.

downloadAccountInfo

public AccountInformation downloadAccountInfo(BlobRequestOptions options, OperationContext opContext)

Gets information related to the storage account in which this container resides.

Parameters:

Returns:

A AccountInformation object for the given storage account.

Throws:

StorageException - If a storage service error occurred.

downloadAccountInformationImpl

protected StorageRequest downloadAccountInformationImpl(final RequestOptions options)

Parameters:

options

downloadAttributes

public void downloadAttributes()

Downloads the container's attributes, which consist of metadata and properties.

Throws:

StorageException - If a storage service error occurred.

downloadAttributes

public void downloadAttributes(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)

Downloads the container's attributes, which consist of metadata and properties, using the specified request options and operation context.

Parameters:

accessCondition - An AccessCondition object that represents the access conditions for the container.

Throws:

StorageException - If a storage service error occurred.

downloadPermissions

public BlobContainerPermissions downloadPermissions()

Downloads the permission settings for the container.

Returns:

A BlobContainerPermissions object that represents the container's permissions.

Throws:

StorageException - If a storage service error occurred.

downloadPermissions

public BlobContainerPermissions downloadPermissions(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)

Downloads the permissions settings for the container using the specified request options and operation context.

Parameters:

accessCondition - An AccessCondition object that represents the access conditions for the container.

Returns:

A BlobContainerPermissions object that represents the container's permissions.

Throws:

StorageException - If a storage service error occurred.

exists

public boolean exists()

Returns a value that indicates whether the container exists.

Returns:

true if the container exists, otherwise false.

Throws:

StorageException - If a storage service error occurred.

exists

public boolean exists(final AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)

Returns a value that indicates whether the container exists, using the specified request options and operation context.

Parameters:

accessCondition - An AccessCondition object that represents the access conditions for the container.

Returns:

true if the container exists, otherwise false.

Throws:

StorageException - If a storage service error occurred.

generateSharedAccessSignature

public String generateSharedAccessSignature(final SharedAccessBlobPolicy policy, final String groupPolicyIdentifier)

Returns a shared access signature for the container. Note this does not contain the leading "?".

Parameters:

policy - An SharedAccessBlobPolicy object that represents the access policy for the shared access signature.

groupPolicyIdentifier - A String which represents the container-level access policy.

Returns:

A String which represents a shared access signature for the container.

Throws:

StorageException - If a storage service error occurred.

InvalidKeyException - If the key is invalid.

generateSharedAccessSignature

public String generateSharedAccessSignature(final SharedAccessBlobPolicy policy, final String groupPolicyIdentifier, final IPRange ipRange, final SharedAccessProtocols protocols)

Returns a shared access signature for the container. Note this does not contain the leading "?".

Parameters:

policy - An SharedAccessBlobPolicy object that represents the access policy for the shared access signature.

groupPolicyIdentifier - A String which represents the container-level access policy.

ipRange - A IPRange object containing the range of allowed IP addresses.

protocols - A SharedAccessProtocols representing the allowed Internet protocols.

Returns:

A String which represents a shared access signature for the container.

Throws:

StorageException - If a storage service error occurred.

InvalidKeyException - If the key is invalid.

getAppendBlobReference

public CloudAppendBlob getAppendBlobReference(final String blobName)

Returns a reference to a CloudAppendBlob object that represents an append blob in this container.

Parameters:

blobName - A String that represents the name of the blob.

Returns:

A CloudAppendBlob object that represents a reference to the specified append blob.

Throws:

StorageException - If a storage service error occurred.

URISyntaxException - If the resource URI is invalid.

getAppendBlobReference

public CloudAppendBlob getAppendBlobReference(final String blobName, final String snapshotID)

Returns a reference to a CloudAppendBlob object that represents an append blob in the container, using the specified snapshot ID.

Parameters:

blobName - A String that represents the name of the blob.

snapshotID - A String that represents the snapshot ID of the blob.

Returns:

A CloudAppendBlob object that represents a reference to the specified append blob.

Throws:

StorageException - If a storage service error occurred.

URISyntaxException - If the resource URI is invalid.

getBlobReferenceFromServer

public final CloudBlob getBlobReferenceFromServer(final String blobName)

Gets a reference to a blob in this container. The blob must already exist on the service.

Unlike the other get*Reference methods, this method does a service request to retrieve the blob's metadata and properties. The returned blob may be used directly as a CloudBlob or cast using either instanceof or getProperties().getBlobType() to determine its subtype.

Parameters:

blobName - A String that represents the name of the blob.

Returns:

A CloudBlob object that represents a reference to the specified blob.

Throws:

StorageException - If a storage service error occurred.

URISyntaxException - If the resource URI is invalid.

getBlobReferenceFromServer

public final CloudBlob getBlobReferenceFromServer(final String blobName, final String snapshotID, AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)

Gets a reference to a blob in this container. The blob must already exist on the service.

Parameters:

blobName - A String that represents the name of the blob.

snapshotID - A String that represents the snapshot ID of the blob.

accessCondition - An AccessCondition object that represents the access conditions for the blob.

Returns:

A CloudBlob object that represents a reference to the specified blob.

Throws:

StorageException - If a storage service error occurred.

URISyntaxException - If the resource URI is invalid.

getBlockBlobReference

public CloudBlockBlob getBlockBlobReference(final String blobName)

Returns a reference to a CloudBlockBlob object that represents a block blob in this container.

Parameters:

blobName - A String that represents the name of the blob.

Returns:

A CloudBlockBlob object that represents a reference to the specified block blob.

Throws:

StorageException - If a storage service error occurred.

URISyntaxException - If the resource URI is invalid.

getBlockBlobReference

public CloudBlockBlob getBlockBlobReference(final String blobName, final String snapshotID)

Returns a reference to a CloudBlockBlob object that represents a block blob in this container, using the specified snapshot ID.

Parameters:

blobName - A String that represents the name of the blob.

snapshotID - A String that represents the snapshot ID of the blob.

Returns:

A CloudBlockBlob object that represents a reference to the specified block blob.

Throws:

StorageException - If a storage service error occurred.

URISyntaxException - If the resource URI is invalid.

getDirectoryReference

public CloudBlobDirectory getDirectoryReference(String directoryName)

Returns a reference to a CloudBlobDirectory object that represents a virtual blob directory within this container.

Parameters:

directoryName - A String that represents the name of the virtual blob directory. If the root directory (the directory representing the container itself) is desired, use an empty string.

Returns:

A CloudBlobDirectory that represents a virtual blob directory within this container.

Throws:

URISyntaxException - If the resource URI is invalid.

getMetadata

public HashMap getMetadata()

Returns the metadata for the container. This value is initialized with the metadata from the queue by a call to downloadAttributes(), and is set on the queue with a call to uploadMetadata().

Returns:

A java.util.HashMap object that represents the metadata for the container.

getName

public String getName()

Returns the name of the container.

Returns:

A String that represents the name of the container.

getPageBlobReference

public CloudPageBlob getPageBlobReference(final String blobName)

Returns a reference to a CloudPageBlob object that represents a page blob in this container.

Parameters:

blobName - A String that represents the name of the blob.

Returns:

A CloudPageBlob object that represents a reference to the specified page blob.

Throws:

StorageException - If a storage service error occurred.

URISyntaxException - If the resource URI is invalid.

getPageBlobReference

public CloudPageBlob getPageBlobReference(final String blobName, final String snapshotID)

Returns a reference to a CloudPageBlob object that represents a page blob in the container, using the specified snapshot ID.

Parameters:

blobName - A String that represents the name of the blob.

snapshotID - A String that represents the snapshot ID of the blob.

Returns:

A CloudPageBlob object that represents a reference to the specified page blob.

Throws:

StorageException - If a storage service error occurred.

URISyntaxException - If the resource URI is invalid.

getProperties

public BlobContainerProperties getProperties()

Returns the properties for the container.

Returns:

A BlobContainerProperties object that represents the properties for the container.

getServiceClient

public CloudBlobClient getServiceClient()

Returns the Blob service client associated with this container.

Returns:

A CloudBlobClient object that represents the service client associated with this container.

getStorageUri

public StorageUri getStorageUri()

Returns the list of URIs for all locations.

Returns:

A StorageUri object which represents the list of URIs for all locations..

getUri

public URI getUri()

Returns the URI for this container.

Returns:

The absolute URI to the container.

listBlobs

public Iterable listBlobs()

Returns an enumerable collection of blob items for the container.

Returns:

An enumerable collection of ListBlobItem objects retrieved lazily that represents the items in this container.

listBlobs

public Iterable listBlobs(final String prefix)

Returns an enumerable collection of blob items for the container whose names begin with the specified prefix.

Parameters:

prefix - A String that represents the blob name prefix. This value must be preceded either by the name of the container or by the absolute path to the container.

Returns:

An enumerable collection of ListBlobItem objects retrieved lazily that represents the items whose names begin with the specified prefix in this container.

listBlobs

public Iterable listBlobs(final String prefix, final boolean useFlatBlobListing)

Returns an enumerable collection of blob items for the container whose names begin with the specified prefix using the specified flat or hierarchical option.

Parameters:

prefix - A String that represents the blob name prefix. This value must be preceded either by the name of the container or by the absolute path to the container.

useFlatBlobListing -

true to indicate that the returned list will be flat; false to indicate that the returned list will be hierarchical.

Returns:

An enumerable collection of ListBlobItem objects retrieved lazily that represents the items whose names begin with the specified prefix in this container.

listBlobs

public Iterable listBlobs(final String prefix, final boolean useFlatBlobListing, final EnumSet listingDetails, BlobRequestOptions options, OperationContext opContext)

Returns an enumerable collection of blob items for the container whose names begin with the specified prefix, using the specified flat or hierarchical option, listing details options, request options, and operation context.

Parameters:

prefix - A String that represents the blob name prefix. This value must be preceded either by the name of the container or by the absolute path to the container.

useFlatBlobListing -

true to indicate that the returned list will be flat; false to indicate that the returned list will be hierarchical.

listingDetails - A java.util.EnumSet object that contains BlobListingDetails values that indicate whether snapshots, soft-deleted blobs, metadata, and/or uncommitted blocks are returned. Committed blocks are always returned.

Returns:

An enumerable collection of ListBlobItem objects retrieved lazily that represents the items whose names begin with the specified prefix in this container.

listBlobsSegmented

public ResultSegment listBlobsSegmented()

Returns a result segment of an enumerable collection of blob items in the container.

Returns:

A ResultSegment<T> object that contains a segment of the enumerable collection of ListBlobItem objects that represent the blob items in the container.

Throws:

StorageException - If a storage service error occurred.

listBlobsSegmented

public ResultSegment listBlobsSegmented(final String prefix)

Returns a result segment containing a collection of blob items whose names begin with the specified prefix.

Parameters:

prefix - A String that represents the prefix of the blob name.

Returns:

A ResultSegment<T> object that contains a segment of the enumerable collection of ListBlobItem objects that represent the blob items whose names begin with the specified prefix in the container.

Throws:

StorageException - If a storage service error occurred.

listBlobsSegmented

public ResultSegment listBlobsSegmented(final String prefix, final boolean useFlatBlobListing, final EnumSet listingDetails, final Integer maxResults, final ResultContinuation continuationToken, BlobRequestOptions options, OperationContext opContext)

Returns a result segment containing a collection of blob items whose names begin with the specified prefix, using the specified flat or hierarchical option, listing details options, request options, and operation context.

Parameters:

prefix - A String that represents the prefix of the blob name.

useFlatBlobListing -

true to indicate that the returned list will be flat; false to indicate that the returned list will be hierarchical.

maxResults - The maximum number of results to retrieve. If null or greater than 5000, the server will return up to 5,000 items. Must be at least 1.

continuationToken - A ResultContinuation object that represents a continuation token returned by a previous listing operation.

Returns:

A ResultSegment<T> object that contains a segment of the enumerable collection of ListBlobItem objects that represent the block items whose names begin with the specified prefix in the container.

Throws:

StorageException - If a storage service error occurred.

listContainers

public Iterable listContainers()

Returns an enumerable collection of containers for the service client associated with this container.

Returns:

An enumerable collection of CloudBlobContainer objects retrieved lazily that represent the containers for the service client associated with this container.

listContainers

public Iterable listContainers(final String prefix)

Returns an enumerable collection of containers whose names begin with the specified prefix for the service client associated with this container.

Parameters:

prefix - A String that represents the container name prefix.

Returns:

An enumerable collection of CloudBlobContainer objects retrieved lazily that represent the containers whose names begin with the specified prefix for the service client associated with this container.

listContainers

public Iterable listContainers(final String prefix, final ContainerListingDetails detailsIncluded, final BlobRequestOptions options, final OperationContext opContext)

Returns an enumerable collection of containers whose names begin with the specified prefix for the service client associated with this container, using the specified details setting, request options, and operation context.

Parameters:

prefix - A String that represents the container name prefix.

detailsIncluded - A ContainerListingDetails value that indicates whether container metadata will be returned.

Returns:

An enumerable collection of CloudBlobContainer objects retrieved lazily that represents the containers for the service client associated with this container.

listContainersSegmented

public ResultSegment listContainersSegmented()

Returns a result segment of an enumerable collection of containers for the service client associated with this container.

Returns:

A ResultSegment<T> object that contains a segment of the enumerable collection of CloudBlobContainer objects that represent the containers for the service client associated with this container.

Throws:

StorageException - If a storage service error occurred.

listContainersSegmented

public ResultSegment listContainersSegmented(final String prefix)

Returns a result segment of an enumerable collection of containers whose names begin with the specified prefix for the service client associated with this container.

Parameters:

prefix - A String that represents the blob name prefix.

Returns:

A ResultSegment<T> object that contains a segment of the enumerable collection of CloudBlobContainer objects that represent the containers whose names begin with the specified prefix for the service client associated with this container.

Throws:

StorageException - If a storage service error occurred.

listContainersSegmented

public ResultSegment listContainersSegmented(final String prefix, final ContainerListingDetails detailsIncluded, final Integer maxResults, final ResultContinuation continuationToken, final BlobRequestOptions options, final OperationContext opContext)

Returns a result segment containing a collection of containers whose names begin with the specified prefix for the service client associated with this container, using the specified listing details options, request options, and operation context.

Parameters:

prefix - A String that represents the prefix of the container name.

detailsIncluded - A ContainerListingDetails object that indicates whether metadata is included.

maxResults - The maximum number of results to retrieve. If null or greater than 5000, the server will return up to 5,000 items. Must be at least 1.

continuationToken - A ResultContinuation object that represents a continuation token returned by a previous listing operation.

Returns:

Throws:

StorageException - If a storage service error occurred.

releaseLease

public final void releaseLease(final AccessCondition accessCondition)

Releases the lease on the container.

Parameters:

accessCondition - An AccessCondition object that represents the access conditions for the blob. The lease ID is required to be set with an access condition.

Throws:

StorageException - If a storage service error occurred.

releaseLease

public final void releaseLease(final AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)

Releases the lease on the container using the specified access conditions, request options, and operation context.

Parameters:

accessCondition - An AccessCondition object that represents the access conditions for the blob. The lease ID is required to be set with an access condition.

Throws:

StorageException - If a storage service error occurred.

renewLease

public final void renewLease(final AccessCondition accessCondition)

Renews an existing lease with the specified access conditions.

Parameters:

accessCondition - An AccessCondition object that represents the access conditions for the container. The lease ID is required to be set with an access condition.

Throws:

StorageException - If a storage service error occurred.

renewLease

public final void renewLease(final AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)

Renews an existing lease with the specified access conditions, request options, and operation context.

Parameters:

accessCondition - An AccessCondition object that represents the access conditions for the blob. The lease ID is required to be set with an access condition.

Throws:

StorageException - If a storage service error occurred.

setMetadata

public void setMetadata(final HashMap metadata)

Sets the metadata collection of name-value pairs to be set on the container with an uploadMetadata() call. This collection will overwrite any existing container metadata. If this is set to an empty collection, the container metadata will be cleared on an uploadMetadata() call.

Parameters:

metadata - A java.util.HashMap object that represents the metadata being assigned to the container.

setProperties

protected void setProperties(final BlobContainerProperties properties)

Sets the properties for the container.

Parameters:

properties - A BlobContainerProperties object that represents the properties being assigned to the container.

setStorageUri

protected void setStorageUri(final StorageUri storageUri)

Sets the list of URIs for all locations.

Parameters:

storageUri - A StorageUri object which represents the list of URIs for all locations.

uploadMetadata

public void uploadMetadata()

Uploads the container's metadata.

Throws:

StorageException - If a storage service error occurred.

uploadMetadata

public void uploadMetadata(AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)

Uploads the container's metadata using the specified request options and operation context.

Parameters:

accessCondition - An AccessCondition object that represents the access conditions for the container.

Throws:

StorageException - If a storage service error occurred.

uploadPermissions

public void uploadPermissions(final BlobContainerPermissions permissions)

Uploads the container's permissions.

Parameters:

permissions - A BlobContainerPermissions object that represents the permissions to upload.

Throws:

StorageException - If a storage service error occurred.

uploadPermissions

public void uploadPermissions(final BlobContainerPermissions permissions, final AccessCondition accessCondition, BlobRequestOptions options, OperationContext opContext)

Uploads the container's permissions using the specified request options and operation context.

Parameters:

permissions - A BlobContainerPermissions object that represents the permissions to upload.

accessCondition - An AccessCondition object that represents the access conditions for the container.

Throws:

StorageException - If a storage service error occurred.

共用方式為

CloudBlobContainer Class

Field Summary

Constructor Summary

Method Summary

Field Details

metadata

Constructor Details

CloudBlobContainer

CloudBlobContainer

CloudBlobContainer

CloudBlobContainer

CloudBlobContainer

Method Details

acquireLease

acquireLease

acquireLease

breakLease

breakLease

changeLease

changeLease

create

create

create

createIfNotExists

createIfNotExists

createIfNotExists

delete

delete

deleteIfExists

deleteIfExists

downloadAccountInfo

downloadAccountInfo

downloadAccountInformationImpl

downloadAttributes

downloadAttributes

downloadPermissions

downloadPermissions

exists

exists

generateSharedAccessSignature

generateSharedAccessSignature

getAppendBlobReference

getAppendBlobReference

getBlobReferenceFromServer

getBlobReferenceFromServer

getBlockBlobReference

getBlockBlobReference

getDirectoryReference

getMetadata

getName

getPageBlobReference

getPageBlobReference

getProperties

getServiceClient

getStorageUri

getUri

listBlobs

listBlobs

listBlobs

listBlobs

listBlobsSegmented

listBlobsSegmented

listBlobsSegmented

listContainers

listContainers

listContainers

listContainersSegmented

listContainersSegmented

listContainersSegmented

releaseLease

releaseLease

renewLease

renewLease

setMetadata

setProperties

setStorageUri

uploadMetadata

uploadMetadata

uploadPermissions