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Showing content from https://docs.microsoft.com/en-us/java/api/com.azure.storage.blob.blobcontainerclient below:

BlobContainerClient Class | Microsoft Learn

• java.lang.Object
• • com.azure.storage.blob.BlobContainerClient

public final class BlobContainerClient

Creates a new container within a storage account.

Creates a new container within a storage account if it does not exist.

Creates a new container within a storage account if it does not exist.

Creates a new container within a storage account.

Marks the specified container for deletion.

Marks the specified container for deletion if it exists.

Marks the specified container for deletion if it exists.

Marks the specified container for deletion.

Gets if the container this client represents exists in the cloud.

Gets if the container this client represents exists in the cloud.

Returns a lazy loaded list of blobs in this account whose tags match the query expression.

Returns a lazy loaded list of blobs in this container whose tags match the query expression.

Generates a service SAS for the container using the specified BlobServiceSasSignatureValues

Generates a service SAS for the container using the specified BlobServiceSasSignatureValues

Generates a service SAS for the container using the specified BlobServiceSasSignatureValues

Generates a user delegation SAS for the container using the specified BlobServiceSasSignatureValues.

Generates a user delegation SAS for the container using the specified BlobServiceSasSignatureValues.

Generates a user delegation SAS for the container using the specified BlobServiceSasSignatureValues.

Returns the container's permissions.

Returns the container's permissions.

Returns the sku name and account kind for the account.

Returns the sku name and account kind for the account.

Get associated account name.

Get the url of the storage account.

Initializes a new BlobClient object by concatenating blobName to the end of ContainerAsyncClient's URL.

Initializes a new BlobClient object by concatenating blobName to the end of ContainerAsyncClient's URL.

Get the container name.

Gets the URL of the container represented by this client.

Initializes a new BlobClient object by concatenating blobName to the end of ContainerAsyncClient's URL.

Gets the CpkInfo associated with this client that will be passed to BlobClient when getBlobClient(String blobName) is called.

Gets the encryption scope used to encrypt this blob's content on the server.

Gets the HttpPipeline powering this client.

Returns the container's metadata and system properties.

Returns the container's metadata and system properties.

Get a client pointing to the account.

Gets the service version the client is using.

Returns a lazy loaded list of blobs in this container, with folder structures flattened.

Returns a lazy loaded list of blobs in this container, with folder structures flattened.

Returns a lazy loaded list of blobs in this container, with folder structures flattened.

Returns a reactive Publisher emitting all the blobs and prefixes (directories) under the given prefix (directory).

Returns a reactive Publisher emitting all the blobs and directories (prefixes) under the given directory (prefix).

Sets the container's permissions.

Sets the container's permissions.

Sets the container's metadata.

Sets the container's metadata.

public static final String LOG_CONTAINER_NAME

Special container name for the logs container in the Storage account.

public static final String ROOT_CONTAINER_NAME

Special container name for the root container in the Storage account.

public static final String STATIC_WEBSITE_CONTAINER_NAME

Special container name for the static website container in the Storage account.

public void create()

Creates a new container within a storage account. If a container with the same name already exists, the operation fails. For more information, see the Azure Docs.

Code Samples

try {
     client.create();
     System.out.printf("Create completed%n");
 } catch (BlobStorageException error) {
     if (error.getErrorCode().equals(BlobErrorCode.CONTAINER_ALREADY_EXISTS)) {
         System.out.printf("Can't create container. It already exists %n");
     }
 }

public boolean createIfNotExists()

Creates a new container within a storage account if it does not exist. For more information, see the Azure Docs.

Code Samples

boolean result = client.createIfNotExists();
 System.out.println("Create completed: " + result);

Returns:

true if container is successfully created, false if container already exists.

public Response<Boolean> createIfNotExistsWithResponse(BlobContainerCreateOptions options, Duration timeout, Context context)

Creates a new container within a storage account if it does not exist. For more information, see the Azure Docs.

Code Samples

Map<String, String> metadata = Collections.singletonMap("metadata", "value");
 Context context = new Context("Key", "Value");
 BlobContainerCreateOptions options = new BlobContainerCreateOptions().setMetadata(metadata)
     .setPublicAccessType(PublicAccessType.CONTAINER);

 Response<Boolean> response = client.createIfNotExistsWithResponse(options, timeout, context);
 if (response.getStatusCode() == 409) {
     System.out.println("Already existed.");
 } else {
     System.out.printf("Create completed with status %d%n", response.getStatusCode());
 }

Parameters:

timeout - An optional timeout value beyond which a RuntimeException will be raised.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

A response containing status code and HTTP headers. If

's status code is 201, a new container was successfully created. If status code is 409, a container already existed at this location.

public Response<Void> createWithResponse(Map<String,String> metadata, PublicAccessType accessType, Duration timeout, Context context)

Creates a new container within a storage account. If a container with the same name already exists, the operation fails. For more information, see the Azure Docs.

Code Samples

Map<String, String> metadata = Collections.singletonMap("metadata", "value");
 Context context = new Context("Key", "Value");

 System.out.printf("Create completed with status %d%n",
     client.createWithResponse(metadata, PublicAccessType.CONTAINER, timeout, context).getStatusCode());

Parameters:

metadata - Metadata to associate with the container. If there is leading or trailing whitespace in any metadata key or value, it must be removed or encoded.

accessType - Specifies how the data in this container is available to the public. See the x-ms-blob-public-access header in the Azure Docs for more information. Pass null for no public access.

timeout - An optional timeout value beyond which a RuntimeException will be raised.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

A response containing status code and HTTP headers

public void delete()

Marks the specified container for deletion. The container and any blobs contained within it are later deleted during garbage collection. For more information, see the Azure Docs.

Code Samples

try {
     client.delete();
     System.out.printf("Delete completed%n");
 } catch (BlobStorageException error) {
     if (error.getErrorCode().equals(BlobErrorCode.CONTAINER_NOT_FOUND)) {
         System.out.printf("Delete failed. Container was not found %n");
     }
 }

public boolean deleteIfExists()

Marks the specified container for deletion if it exists. The container and any blobs contained within it are later deleted during garbage collection. For more information, see the Azure Docs.

Code Samples

boolean result = client.deleteIfExists();
 System.out.println("Delete completed: " + result);

Returns:

true if container is successfully deleted, false if container does not exist.

public Response<Boolean> deleteIfExistsWithResponse(BlobRequestConditions requestConditions, Duration timeout, Context context)

Marks the specified container for deletion if it exists. The container and any blobs contained within it are later deleted during garbage collection. For more information, see the Azure Docs.

Code Samples

BlobRequestConditions requestConditions = new BlobRequestConditions()
     .setLeaseId(leaseId)
     .setIfUnmodifiedSince(OffsetDateTime.now().minusDays(3));
 Context context = new Context("Key", "Value");

 Response<Boolean> response = client.deleteIfExistsWithResponse(requestConditions, timeout, context);
 if (response.getStatusCode() == 404) {
     System.out.println("Does not exist.");
 } else {
     System.out.printf("Delete completed with status %d%n", response.getStatusCode());
 }

Parameters:

timeout - An optional timeout value beyond which a RuntimeException will be raised.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

A response containing status code and HTTP headers. If

's status code is 202, the container was successfully deleted. If status code is 404, the container does not exist.

public Response<Void> deleteWithResponse(BlobRequestConditions requestConditions, Duration timeout, Context context)

Marks the specified container for deletion. The container and any blobs contained within it are later deleted during garbage collection. For more information, see the Azure Docs.

Code Samples

BlobRequestConditions requestConditions = new BlobRequestConditions()
     .setLeaseId(leaseId)
     .setIfUnmodifiedSince(OffsetDateTime.now().minusDays(3));
 Context context = new Context("Key", "Value");

 System.out.printf("Delete completed with status %d%n", client.deleteWithResponse(
     requestConditions, timeout, context).getStatusCode());

Parameters:

timeout - An optional timeout value beyond which a RuntimeException will be raised.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

A response containing status code and HTTP headers

public boolean exists()

Gets if the container this client represents exists in the cloud.

Code Samples

System.out.printf("Exists? %b%n", client.exists());

Returns:

true if the container exists, false if it doesn't

public Response<Boolean> existsWithResponse(Duration timeout, Context context)

Gets if the container this client represents exists in the cloud.

Code Samples

Context context = new Context("Key", "Value");
 System.out.printf("Exists? %b%n", client.existsWithResponse(timeout, context).getValue());

Parameters:

timeout - An optional timeout value beyond which a RuntimeException will be raised.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

true if the container exists, false if it doesn't

public PagedIterable<TaggedBlobItem> findBlobsByTags(FindBlobsOptions options, Duration timeout, Context context)

Returns a lazy loaded list of blobs in this account whose tags match the query expression. The returned PagedIterable<T> can be consumed while new items are automatically retrieved as needed. For more information, including information on the query syntax, see the Azure Docs.

Code Samples

Context context = new Context("Key", "Value");
 client.findBlobsByTags(new FindBlobsOptions("where=tag=value").setMaxResultsPerPage(10), timeout, context)
     .forEach(blob -> System.out.printf("Name: %s%n", blob.getName()));

Parameters:

-

. If iterating by page, the page size passed to byPage methods such as

will be preferred over the value set on these options.

timeout - An optional timeout value beyond which a RuntimeException will be raised.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

The list of blobs.

public PagedIterable<TaggedBlobItem> findBlobsByTags(String query)

Returns a lazy loaded list of blobs in this container whose tags match the query expression. The returned PagedIterable<T> can be consumed while new items are automatically retrieved as needed. For more information, including information on the query syntax, see the Azure Docs.

Code Samples

TODO

client.findBlobsByTags("where=tag=value").forEach(blob -> System.out.printf("Name: %s%n", blob.getName()));

Parameters:

query - Filters the results to return only blobs whose tags match the specified expression.

Returns:

The list of blobs.

public String generateSas(BlobServiceSasSignatureValues blobServiceSasSignatureValues)

Generates a service SAS for the container using the specified BlobServiceSasSignatureValues

Note : The client must be authenticated via StorageSharedKeyCredential

See BlobServiceSasSignatureValues for more information on how to construct a service SAS.

Code Samples

OffsetDateTime expiryTime = OffsetDateTime.now().plusDays(1);
 BlobContainerSasPermission permission = new BlobContainerSasPermission().setReadPermission(true);

 BlobServiceSasSignatureValues values = new BlobServiceSasSignatureValues(expiryTime, permission)
     .setStartTime(OffsetDateTime.now());

 client.generateSas(values); // Client must be authenticated via StorageSharedKeyCredential

Parameters:

Returns:

A String representing the SAS query parameters.

public String generateSas(BlobServiceSasSignatureValues blobServiceSasSignatureValues, Consumer<String> stringToSignHandler, Context context)

Generates a service SAS for the container using the specified BlobServiceSasSignatureValues

Note : The client must be authenticated via StorageSharedKeyCredential

See BlobServiceSasSignatureValues for more information on how to construct a service SAS.

Parameters:

stringToSignHandler - For debugging purposes only. Returns the string to sign that was used to generate the signature.

context - Additional context that is passed through the code when generating a SAS.

Returns:

A String representing the SAS query parameters.

public String generateSas(BlobServiceSasSignatureValues blobServiceSasSignatureValues, Context context)

Generates a service SAS for the container using the specified BlobServiceSasSignatureValues

Note : The client must be authenticated via StorageSharedKeyCredential

See BlobServiceSasSignatureValues for more information on how to construct a service SAS.

Code Samples

OffsetDateTime expiryTime = OffsetDateTime.now().plusDays(1);
 BlobContainerSasPermission permission = new BlobContainerSasPermission().setReadPermission(true);

 BlobServiceSasSignatureValues values = new BlobServiceSasSignatureValues(expiryTime, permission)
     .setStartTime(OffsetDateTime.now());

 // Client must be authenticated via StorageSharedKeyCredential
 client.generateSas(values, new Context("key", "value"));

Parameters:

context - Additional context that is passed through the code when generating a SAS.

Returns:

A String representing the SAS query parameters.

public String generateUserDelegationSas(BlobServiceSasSignatureValues blobServiceSasSignatureValues, UserDelegationKey userDelegationKey)

Generates a user delegation SAS for the container using the specified BlobServiceSasSignatureValues.

See BlobServiceSasSignatureValues for more information on how to construct a user delegation SAS.

Code Samples

OffsetDateTime myExpiryTime = OffsetDateTime.now().plusDays(1);
 BlobContainerSasPermission myPermission = new BlobContainerSasPermission().setReadPermission(true);

 BlobServiceSasSignatureValues myValues = new BlobServiceSasSignatureValues(expiryTime, permission)
     .setStartTime(OffsetDateTime.now());

 client.generateUserDelegationSas(values, userDelegationKey);

Parameters:

Returns:

A String representing the SAS query parameters.

public String generateUserDelegationSas(BlobServiceSasSignatureValues blobServiceSasSignatureValues, UserDelegationKey userDelegationKey, String accountName, Consumer<String> stringToSignHandler, Context context)

Generates a user delegation SAS for the container using the specified BlobServiceSasSignatureValues.

See BlobServiceSasSignatureValues for more information on how to construct a user delegation SAS.

Parameters:

accountName - The account name.

stringToSignHandler - For debugging purposes only. Returns the string to sign that was used to generate the signature.

context - Additional context that is passed through the code when generating a SAS.

Returns:

A String representing the SAS query parameters.

public String generateUserDelegationSas(BlobServiceSasSignatureValues blobServiceSasSignatureValues, UserDelegationKey userDelegationKey, String accountName, Context context)

Generates a user delegation SAS for the container using the specified BlobServiceSasSignatureValues.

See BlobServiceSasSignatureValues for more information on how to construct a user delegation SAS.

Code Samples

OffsetDateTime myExpiryTime = OffsetDateTime.now().plusDays(1);
 BlobContainerSasPermission myPermission = new BlobContainerSasPermission().setReadPermission(true);

 BlobServiceSasSignatureValues myValues = new BlobServiceSasSignatureValues(expiryTime, permission)
     .setStartTime(OffsetDateTime.now());

 client.generateUserDelegationSas(values, userDelegationKey, accountName, new Context("key", "value"));

Parameters:

accountName - The account name.

context - Additional context that is passed through the code when generating a SAS.

Returns:

A String representing the SAS query parameters.

public BlobContainerAccessPolicies getAccessPolicy()

Returns the container's permissions. The permissions indicate whether container's blobs may be accessed publicly. For more information, see the Azure Docs.

Code Samples

BlobContainerAccessPolicies accessPolicies = client.getAccessPolicy();
 System.out.printf("Blob Access Type: %s%n", accessPolicies.getBlobAccessType());

 for (BlobSignedIdentifier identifier : accessPolicies.getIdentifiers()) {
     System.out.printf("Identifier Name: %s, Permissions %s%n",
         identifier.getId(),
         identifier.getAccessPolicy().getPermissions());
 }

Returns:

The container access policy.

public Response<BlobContainerAccessPolicies> getAccessPolicyWithResponse(String leaseId, Duration timeout, Context context)

Returns the container's permissions. The permissions indicate whether container's blobs may be accessed publicly. For more information, see the Azure Docs.

Code Samples

Context context = new Context("Key", "Value");
 BlobContainerAccessPolicies accessPolicies = client.getAccessPolicyWithResponse(leaseId, timeout, context)
     .getValue();
 System.out.printf("Blob Access Type: %s%n", accessPolicies.getBlobAccessType());

 for (BlobSignedIdentifier identifier : accessPolicies.getIdentifiers()) {
     System.out.printf("Identifier Name: %s, Permissions %s%n",
         identifier.getId(),
         identifier.getAccessPolicy().getPermissions());
 }

Parameters:

leaseId - The lease ID the active lease on the container must match.

timeout - An optional timeout value beyond which a RuntimeException will be raised.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

The container access policy.

public StorageAccountInfo getAccountInfo(Duration timeout)

Returns the sku name and account kind for the account. For more information, please see the Azure Docs.

Parameters:

- An optional timeout value beyond which a

will be raised.

 StorageAccountInfo accountInfo = client.getAccountInfo(timeout);
 System.out.printf("Account Kind: %s, SKU: %s%n", accountInfo.getAccountKind(), accountInfo.getSkuName());
 

Returns:

The account info.

public Response<StorageAccountInfo> getAccountInfoWithResponse(Duration timeout, Context context)

Returns the sku name and account kind for the account. For more information, please see the Azure Docs.

Code Samples

Context context = new Context("Key", "Value");
 StorageAccountInfo accountInfo = client.getAccountInfoWithResponse(timeout, context).getValue();
 System.out.printf("Account Kind: %s, SKU: %s%n", accountInfo.getAccountKind(), accountInfo.getSkuName());

Parameters:

timeout - An optional timeout value beyond which a RuntimeException will be raised.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

The account info.

public String getAccountName()

Get associated account name.

Returns:

account name associated with this storage resource.

public String getAccountUrl()

Get the url of the storage account.

Returns:

the URL of the storage account

public BlobClient getBlobClient(String blobName)

Initializes a new BlobClient object by concatenating blobName to the end of ContainerAsyncClient's URL. The new BlobClient uses the same request policy pipeline as the ContainerAsyncClient.

Parameters:

- A

representing the name of the blob. If the blob name contains special characters, pass in the url encoded version of the blob name.

 BlobClient blobClient = client.getBlobClient(blobName);
 

Returns:

A new

object which references the blob with the specified name in this container.

public BlobClient getBlobClient(String blobName, String snapshot)

Initializes a new BlobClient object by concatenating blobName to the end of ContainerAsyncClient's URL. The new BlobClient uses the same request policy pipeline as the ContainerAsyncClient.

Code Samples

BlobClient blobClient = client.getBlobClient(blobName, snapshot);

Parameters:

blobName - A String representing the name of the blob. If the blob name contains special characters, pass in the url encoded version of the blob name.

snapshot - the snapshot identifier for the blob.

Returns:

A new

object which references the blob with the specified name in this container.

public String getBlobContainerName()

Get the container name.

Code Samples

String containerName = client.getBlobContainerName();
 System.out.println("The name of the blob is " + containerName);

Returns:

The name of container.

public String getBlobContainerUrl()

Gets the URL of the container represented by this client.

Returns:

the URL.

public BlobClient getBlobVersionClient(String blobName, String versionId)

Initializes a new BlobClient object by concatenating blobName to the end of ContainerAsyncClient's URL. The new BlobClient uses the same request policy pipeline as the ContainerAsyncClient.

Parameters:

blobName - A String representing the name of the blob. If the blob name contains special characters, pass in the url encoded version of the blob name.

versionId - the version identifier for the blob, pass null to interact with the latest blob version.

Returns:

A new

object which references the blob with the specified name in this container.

public String getEncryptionScope()

Gets the encryption scope used to encrypt this blob's content on the server.

Returns:

the encryption scope used for encryption.

public HttpPipeline getHttpPipeline()

Gets the HttpPipeline powering this client.

Returns:

The pipeline.

public BlobContainerProperties getProperties()

Returns the container's metadata and system properties. For more information, see the Azure Docs.

Code Samples

BlobContainerProperties properties = client.getProperties();
 System.out.printf("Public Access Type: %s, Legal Hold? %b, Immutable? %b%n",
     properties.getBlobPublicAccess(),
     properties.hasLegalHold(),
     properties.hasImmutabilityPolicy());

Returns:

The container properties.

public Response<BlobContainerProperties> getPropertiesWithResponse(String leaseId, Duration timeout, Context context)

Returns the container's metadata and system properties. For more information, see the Azure Docs.

Code Samples

Context context = new Context("Key", "Value");

 BlobContainerProperties properties = client.getPropertiesWithResponse(leaseId, timeout, context)
     .getValue();
 System.out.printf("Public Access Type: %s, Legal Hold? %b, Immutable? %b%n",
     properties.getBlobPublicAccess(),
     properties.hasLegalHold(),
     properties.hasImmutabilityPolicy());

Parameters:

leaseId - The lease ID the active lease on the container must match.

timeout - An optional timeout value beyond which a RuntimeException will be raised.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

The container properties.

public BlobServiceClient getServiceClient()

Get a client pointing to the account.

Returns:

public BlobServiceVersion getServiceVersion()

Gets the service version the client is using.

Returns:

the service version the client is using.

public PagedIterable<BlobItem> listBlobs()

Returns a lazy loaded list of blobs in this container, with folder structures flattened. The returned PagedIterable<T> can be consumed through while new items are automatically retrieved as needed.

Blob names are returned in lexicographic order.

For more information, see the Azure Docs.

Code Samples

client.listBlobs().forEach(blob ->
     System.out.printf("Name: %s, Directory? %b%n", blob.getName(), blob.isPrefix()));

Returns:

The listed blobs, flattened.

public PagedIterable<BlobItem> listBlobs(ListBlobsOptions options, Duration timeout)

Returns a lazy loaded list of blobs in this container, with folder structures flattened. The returned PagedIterable<T> can be consumed through while new items are automatically retrieved as needed.

Blob names are returned in lexicographic order.

For more information, see the Azure Docs.

Code Samples

ListBlobsOptions options = new ListBlobsOptions()
     .setPrefix("prefixToMatch")
     .setDetails(new BlobListDetails()
         .setRetrieveDeletedBlobs(true)
         .setRetrieveSnapshots(true));

 client.listBlobs(options, timeout).forEach(blob ->
     System.out.printf("Name: %s, Directory? %b, Deleted? %b, Snapshot ID: %s%n",
         blob.getName(),
         blob.isPrefix(),
         blob.isDeleted(),
         blob.getSnapshot()));

Parameters:

-

. If iterating by page, the page size passed to byPage methods such as

will be preferred over the value set on these options.

timeout - An optional timeout value beyond which a RuntimeException will be raised.

Returns:

The listed blobs, flattened.

public PagedIterable<BlobItem> listBlobs(ListBlobsOptions options, String continuationToken, Duration timeout)

Returns a lazy loaded list of blobs in this container, with folder structures flattened. The returned PagedIterable<T> can be consumed through while new items are automatically retrieved as needed.

Blob names are returned in lexicographic order.

For more information, see the Azure Docs.

Code Samples

ListBlobsOptions options = new ListBlobsOptions()
     .setPrefix("prefixToMatch")
     .setDetails(new BlobListDetails()
         .setRetrieveDeletedBlobs(true)
         .setRetrieveSnapshots(true));

 String continuationToken = "continuationToken";

 client.listBlobs(options, continuationToken, timeout).forEach(blob ->
     System.out.printf("Name: %s, Directory? %b, Deleted? %b, Snapshot ID: %s%n",
         blob.getName(),
         blob.isPrefix(),
         blob.isDeleted(),
         blob.getSnapshot()));

Parameters:

-

. If iterating by page, the page size passed to byPage methods such as

will be preferred over the value set on these options.

continuationToken - Identifies the portion of the list to be returned with the next list operation.

timeout - An optional timeout value beyond which a RuntimeException will be raised.

Returns:

The listed blobs, flattened.

public PagedIterable<BlobItem> listBlobsByHierarchy(String delimiter, ListBlobsOptions options, Duration timeout)

Returns a reactive Publisher emitting all the blobs and prefixes (directories) under the given prefix (directory). Directories will have isPrefix() set to true.

Blob names are returned in lexicographic order. For more information, see the Azure Docs.

E.g. listing a container containing a 'foo' folder, which contains blobs 'foo1' and 'foo2', and a blob on the root level 'bar', will return the following results when prefix=null:

• foo/ (isPrefix = true)
• bar (isPrefix = false)

will return the following results when prefix="foo/":

• foo/foo1 (isPrefix = false)
• foo/foo2 (isPrefix = false)

Code Samples

ListBlobsOptions options = new ListBlobsOptions()
     .setPrefix("directoryName")
     .setDetails(new BlobListDetails()
         .setRetrieveDeletedBlobs(true)
         .setRetrieveSnapshots(false));

 client.listBlobsByHierarchy("/", options, timeout).forEach(blob ->
     System.out.printf("Name: %s, Directory? %b, Deleted? %b, Snapshot ID: %s%n",
         blob.getName(),
         blob.isPrefix(),
         blob.isDeleted(),
         blob.getSnapshot()));

Parameters:

delimiter - The delimiter for blob hierarchy, "/" for hierarchy based on directories

-

. If iterating by page, the page size passed to byPage methods such as

will be preferred over the value set on these options.

timeout - An optional timeout value beyond which a RuntimeException will be raised.

Returns:

A reactive response emitting the prefixes and blobs.

public PagedIterable<BlobItem> listBlobsByHierarchy(String directory)

Returns a reactive Publisher emitting all the blobs and directories (prefixes) under the given directory (prefix). Directories will have isPrefix() set to true.

Blob names are returned in lexicographic order. For more information, see the Azure Docs.

E.g. listing a container containing a 'foo' folder, which contains blobs 'foo1' and 'foo2', and a blob on the root level 'bar', will return the following results when prefix=null:

• foo/ (isPrefix = true)
• bar (isPrefix = false)

will return the following results when prefix="foo/":

• foo/foo1 (isPrefix = false)
• foo/foo2 (isPrefix = false)

Code Samples

client.listBlobsByHierarchy("directoryName").forEach(blob ->
     System.out.printf("Name: %s, Directory? %b%n", blob.getName(), blob.isPrefix()));

Parameters:

directory - The directory to list blobs underneath

Returns:

A reactive response emitting the prefixes and blobs.

public void setAccessPolicy(PublicAccessType accessType, List<BlobSignedIdentifier> identifiers)

Sets the container's permissions. The permissions indicate whether blobs in a container may be accessed publicly. Note that, for each signed identifier, we will truncate the start and expiry times to the nearest second to ensure the time formatting is compatible with the service. For more information, see the Azure Docs.

Code Samples

BlobSignedIdentifier identifier = new BlobSignedIdentifier()
     .setId("name")
     .setAccessPolicy(new BlobAccessPolicy()
         .setStartsOn(OffsetDateTime.now())
         .setExpiresOn(OffsetDateTime.now().plusDays(7))
         .setPermissions("permissionString"));

 try {
     client.setAccessPolicy(PublicAccessType.CONTAINER, Collections.singletonList(identifier));
     System.out.printf("Set Access Policy completed %n");
 } catch (UnsupportedOperationException error) {
     System.out.printf("Set Access Policy completed %s%n", error);
 }

Parameters:

accessType - Specifies how the data in this container is available to the public. See the x-ms-blob-public-access header in the Azure Docs for more information. Pass null for no public access.

- A list of

objects that specify the permissions for the container. Please see

for more information. Passing null will clear all access policies.

public Response<Void> setAccessPolicyWithResponse(PublicAccessType accessType, List<BlobSignedIdentifier> identifiers, BlobRequestConditions requestConditions, Duration timeout, Context context)

Sets the container's permissions. The permissions indicate whether blobs in a container may be accessed publicly. Note that, for each signed identifier, we will truncate the start and expiry times to the nearest second to ensure the time formatting is compatible with the service. For more information, see the Azure Docs.

Code Samples

BlobSignedIdentifier identifier = new BlobSignedIdentifier()
     .setId("name")
     .setAccessPolicy(new BlobAccessPolicy()
         .setStartsOn(OffsetDateTime.now())
         .setExpiresOn(OffsetDateTime.now().plusDays(7))
         .setPermissions("permissionString"));

 BlobRequestConditions requestConditions = new BlobRequestConditions()
     .setLeaseId(leaseId)
     .setIfUnmodifiedSince(OffsetDateTime.now().minusDays(3));

 Context context = new Context("Key", "Value");

 System.out.printf("Set access policy completed with status %d%n",
     client.setAccessPolicyWithResponse(PublicAccessType.CONTAINER,
         Collections.singletonList(identifier),
         requestConditions,
         timeout,
         context).getStatusCode());

Parameters:

accessType - Specifies how the data in this container is available to the public. See the x-ms-blob-public-access header in the Azure Docs for more information. Pass null for no public access.

- A list of

objects that specify the permissions for the container. Please see

for more information. Passing null will clear all access policies.

timeout - An optional timeout value beyond which a RuntimeException will be raised.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

A response containing status code and HTTP headers

public void setMetadata(Map<String,String> metadata)

Sets the container's metadata. For more information, see the Azure Docs.

Code Samples

Map<String, String> metadata = Collections.singletonMap("metadata", "value");
 try {
     client.setMetadata(metadata);
     System.out.printf("Set metadata completed with status %n");
 } catch (UnsupportedOperationException error) {
     System.out.printf("Fail while setting metadata %n");
 }

Parameters:

metadata - Metadata to associate with the container. If there is leading or trailing whitespace in any metadata key or value, it must be removed or encoded.

public Response<Void> setMetadataWithResponse(Map<String,String> metadata, BlobRequestConditions requestConditions, Duration timeout, Context context)

Sets the container's metadata. For more information, see the Azure Docs.

Code Samples

Map<String, String> metadata = Collections.singletonMap("metadata", "value");
 BlobRequestConditions requestConditions = new BlobRequestConditions()
     .setLeaseId(leaseId)
     .setIfUnmodifiedSince(OffsetDateTime.now().minusDays(3));
 Context context = new Context("Key", "Value");

 System.out.printf("Set metadata completed with status %d%n",
     client.setMetadataWithResponse(metadata, requestConditions, timeout, context).getStatusCode());

Parameters:

metadata - Metadata to associate with the container. If there is leading or trailing whitespace in any metadata key or value, it must be removed or encoded.

timeout - An optional timeout value beyond which a RuntimeException will be raised.

context - Additional context that is passed through the Http pipeline during the service call.

Returns:

A response containing status code and HTTP headers

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