Java 类org.apache.hadoop.fs.azure.StorageInterface.CloudBlobDirectoryWrapper 实例源码

/**
 * This private method uses the root directory or the original container to
 * list blobs under the directory or container given a specified prefix for
 * the directory depending on whether the original file system object was
 * constructed with a short- or long-form URI. It also uses the specified flat
 * or hierarchical option, listing details options, request options, and
 * operation context.
 * 
 * @param aPrefix
 *          string name representing the prefix of containing blobs.
 * @param useFlatBlobListing
 *          - the list is flat if true, or hierarchical otherwise.
 * @param listingDetails
 *          - determine whether snapshots, metadata, committed/uncommitted
 *          data
 * @param options
 *          - object specifying additional options for the request. null =
 *          default options
 * @param opContext
 *          - context of the current operation
 * @returns blobItems : iterable collection of blob items.
 * @throws URISyntaxException
 * 
 */
private Iterable<ListBlobItem> listRootBlobs(String aPrefix, boolean useFlatBlobListing,
    EnumSet<BlobListingDetails> listingDetails, BlobRequestOptions options,
    OperationContext opContext) throws StorageException, URISyntaxException {

  CloudBlobDirectoryWrapper directory =  this.container.getDirectoryReference(aPrefix);
  return directory.listBlobs(
      null,
      useFlatBlobListing,
      listingDetails,
      options,
      opContext);
}

/**
 * This private method normalizes the key by stripping the container name from
 * the path and returns a path relative to the root directory of the
 * container.
 * 
 * @param directory
 *          - adjust the key to this directory to a path relative to the root
 *          directory
 * 
 * @returns normKey
 */
private String normalizeKey(CloudBlobDirectoryWrapper directory) {
  String dirKey = normalizeKey(directory.getUri());
  // Strip the last delimiter
  if (dirKey.endsWith(PATH_DELIMITER)) {
    dirKey = dirKey.substring(0, dirKey.length() - 1);
  }
  return dirKey;
}

/**
 * This private method uses the root directory or the original container to
 * list blobs under the directory or container given a specified prefix for
 * the directory depending on whether the original file system object was
 * constructed with a short- or long-form URI. It also uses the specified flat
 * or hierarchical option, listing details options, request options, and
 * operation context.
 * 
 * @param aPrefix
 *          string name representing the prefix of containing blobs.
 * @param useFlatBlobListing
 *          - the list is flat if true, or hierarchical otherwise.
 * @param listingDetails
 *          - determine whether snapshots, metadata, committed/uncommitted
 *          data
 * @param options
 *          - object specifying additional options for the request. null =
 *          default options
 * @param opContext
 *          - context of the current operation
 * @returns blobItems : iterable collection of blob items.
 * @throws URISyntaxException
 * 
 */
private Iterable<ListBlobItem> listRootBlobs(String aPrefix, boolean useFlatBlobListing,
    EnumSet<BlobListingDetails> listingDetails, BlobRequestOptions options,
    OperationContext opContext) throws StorageException, URISyntaxException {

  CloudBlobDirectoryWrapper directory =  this.container.getDirectoryReference(aPrefix);
  return directory.listBlobs(
      null,
      useFlatBlobListing,
      listingDetails,
      options,
      opContext);
}

/**
 * This private method normalizes the key by stripping the container name from
 * the path and returns a path relative to the root directory of the
 * container.
 * 
 * @param directory
 *          - adjust the key to this directory to a path relative to the root
 *          directory
 * 
 * @returns normKey
 */
private String normalizeKey(CloudBlobDirectoryWrapper directory) {
  String dirKey = normalizeKey(directory.getUri());
  // Strip the last delimiter
  if (dirKey.endsWith(PATH_DELIMITER)) {
    dirKey = dirKey.substring(0, dirKey.length() - 1);
  }
  return dirKey;
}

/**
 * This private method uses the root directory or the original container to
 * list blobs under the directory or container given a specified prefix for
 * the directory depending on whether the original file system object was
 * constructed with a short- or long-form URI. It also uses the specified flat
 * or hierarchical option, listing details options, request options, and
 * operation context.
 * 
 * @param aPrefix
 *          string name representing the prefix of containing blobs.
 * @param useFlatBlobListing
 *          - the list is flat if true, or hierarchical otherwise.
 * @param listingDetails
 *          - determine whether snapshots, metadata, committed/uncommitted
 *          data
 * @param options
 *          - object specifying additional options for the request. null =
 *          default options
 * @param opContext
 *          - context of the current operation
 * @returns blobItems : iterable collection of blob items.
 * @throws URISyntaxException
 * 
 */
private Iterable<ListBlobItem> listRootBlobs(String aPrefix, boolean useFlatBlobListing,
    EnumSet<BlobListingDetails> listingDetails, BlobRequestOptions options,
    OperationContext opContext) throws StorageException, URISyntaxException {

  CloudBlobDirectoryWrapper directory =  this.container.getDirectoryReference(aPrefix);
  return directory.listBlobs(
      null,
      useFlatBlobListing,
      listingDetails,
      options,
      opContext);
}

/**
 * This private method normalizes the key by stripping the container name from
 * the path and returns a path relative to the root directory of the
 * container.
 * 
 * @param directory
 *          - adjust the key to this directory to a path relative to the root
 *          directory
 * 
 * @returns normKey
 */
private String normalizeKey(CloudBlobDirectoryWrapper directory) {
  String dirKey = normalizeKey(directory.getUri());
  // Strip the last delimiter
  if (dirKey.endsWith(PATH_DELIMITER)) {
    dirKey = dirKey.substring(0, dirKey.length() - 1);
  }
  return dirKey;
}

/**
 * This private method uses the root directory or the original container to
 * list blobs under the directory or container given a specified prefix for
 * the directory depending on whether the original file system object was
 * constructed with a short- or long-form URI. It also uses the specified flat
 * or hierarchical option, listing details options, request options, and
 * operation context.
 * 
 * @param aPrefix
 *          string name representing the prefix of containing blobs.
 * @param useFlatBlobListing
 *          - the list is flat if true, or hierarchical otherwise.
 * @param listingDetails
 *          - determine whether snapshots, metadata, committed/uncommitted
 *          data
 * @param options
 *          - object specifying additional options for the request. null =
 *          default options
 * @param opContext
 *          - context of the current operation
 * @returns blobItems : iterable collection of blob items.
 * @throws URISyntaxException
 * 
 */
private Iterable<ListBlobItem> listRootBlobs(String aPrefix, boolean useFlatBlobListing,
    EnumSet<BlobListingDetails> listingDetails, BlobRequestOptions options,
    OperationContext opContext) throws StorageException, URISyntaxException {

  CloudBlobDirectoryWrapper directory =  this.container.getDirectoryReference(aPrefix);
  return directory.listBlobs(
      null,
      useFlatBlobListing,
      listingDetails,
      options,
      opContext);
}

/**
 * This private method normalizes the key by stripping the container name from
 * the path and returns a path relative to the root directory of the
 * container.
 * 
 * @param blob
 *          - adjust the key to this directory to a path relative to the root
 *          directory
 * 
 * @returns normKey
 */
private String normalizeKey(CloudBlobDirectoryWrapper directory) {
  String dirKey = normalizeKey(directory.getUri());
  // Strip the last delimiter
  if (dirKey.endsWith(PATH_DELIMITER)) {
    dirKey = dirKey.substring(0, dirKey.length() - 1);
  }
  return dirKey;
}