microsoft-azure-storage/src/com/microsoft/azure/storage/file/CloudFileDirectory.java
public CloudFileDirectory getDirectoryReference(final String itemName) throws URISyntaxException,
            StorageException {
        Utility.assertNotNullOrEmpty("itemName", itemName);

        StorageUri subdirectoryUri = PathUtility.appendPathToUri(this.storageUri, itemName);
        return new CloudFileDirectory(subdirectoryUri, itemName, this.getShare());
    }
public CloudFileDirectory getDirectoryReference(final String itemName) throws URISyntaxException,
            StorageException {
        Utility.assertNotNullOrEmpty("itemName", itemName);

        StorageUri subdirectoryUri = PathUtility.appendPathToUri(this.storageUri, itemName);
        return new CloudFileDirectory(subdirectoryUri, itemName, this.getShare());
    }
Returns a reference to a {@link CloudFileDirectory} object that represents a directory in this directory.

@param itemName
A <code>String</code> that represents the name of the directory.

@return A {@link CloudFileDirectory} object that represents a reference to the specified directory.

@throws URISyntaxException
If the resource URI is invalid.
@throws StorageException