org.apache.hadoop.fs.azurebfs.oauth2

Class CustomTokenProviderAdapter

java.lang.Object

org.apache.hadoop.fs.azurebfs.oauth2.AccessTokenProvider

org.apache.hadoop.fs.azurebfs.oauth2.CustomTokenProviderAdapter

public final class CustomTokenProviderAdapter
extends AccessTokenProvider

Provides tokens based on custom implementation, following the Adapter Design Pattern.

Constructor Summary

Constructors

Constructor and Description
CustomTokenProviderAdapter(CustomTokenProviderAdaptee adaptee) Constructs a token provider based on the custom token provider.

Method Summary

Modifier and Type	Method and Description
protected AzureADToken	refreshToken() the method to fetch the access token.

Methods inherited from class org.apache.hadoop.fs.azurebfs.oauth2.AccessTokenProvider

getToken

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CustomTokenProviderAdapter

public CustomTokenProviderAdapter(CustomTokenProviderAdaptee adaptee)

Constructs a token provider based on the custom token provider.

Parameters:

adaptee - the custom token provider

Method Detail

refreshToken

protected AzureADToken refreshToken()
                             throws IOException

Description copied from class: AccessTokenProvider

the method to fetch the access token. Derived classes should override this method to actually get the token from Azure Active Directory. This method will be called initially, and then once when the token is about to expire.

Specified by:

refreshToken in class AccessTokenProvider

Returns:

AzureADToken containing the access token

Throws:

IOException - if there is an error fetching the token