org.apache.hadoop.hdfs.web.oauth2

Class AzureADClientCredentialBasedAccesTokenProvider

java.lang.Object

org.apache.hadoop.hdfs.web.oauth2.AccessTokenProvider

org.apache.hadoop.hdfs.web.oauth2.AzureADClientCredentialBasedAccesTokenProvider

All Implemented Interfaces:

Configurable

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public class AzureADClientCredentialBasedAccesTokenProvider
extends AccessTokenProvider

Obtain an access token via the credential-based OAuth2 workflow.

Field Summary

Fields

Modifier and Type	Field and Description
static String	AAD_RESOURCE_KEY
static String	ACCESS_TOKEN
static String	CLIENT_CREDENTIALS
static String	CLIENT_ID
static String	CLIENT_SECRET
static String	EXPIRES_IN
static String	GRANT_TYPE
static String	OAUTH_CREDENTIAL_KEY
static String	RESOURCE_PARAM_NAME
static com.squareup.okhttp.MediaType	URLENCODED

Method Summary

Modifier and Type	Method and Description
String	getAccessToken() Obtain the access token that should be added to http connection's header.
void	setConf(Configuration conf) Set the conf.

Methods inherited from class org.apache.hadoop.hdfs.web.oauth2.AccessTokenProvider

getConf

Methods inherited from class java.lang.Object

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

Field Detail

OAUTH_CREDENTIAL_KEY

public static final String OAUTH_CREDENTIAL_KEY

See Also:

Constant Field Values

AAD_RESOURCE_KEY

public static final String AAD_RESOURCE_KEY

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Constant Field Values

RESOURCE_PARAM_NAME

public static final String RESOURCE_PARAM_NAME

See Also:

Constant Field Values

ACCESS_TOKEN

public static final String ACCESS_TOKEN

See Also:

Constant Field Values

CLIENT_CREDENTIALS

public static final String CLIENT_CREDENTIALS

See Also:

Constant Field Values

CLIENT_ID

public static final String CLIENT_ID

See Also:

Constant Field Values

CLIENT_SECRET

public static final String CLIENT_SECRET

See Also:

Constant Field Values

EXPIRES_IN

public static final String EXPIRES_IN

See Also:

Constant Field Values

GRANT_TYPE

public static final String GRANT_TYPE

See Also:

Constant Field Values

URLENCODED

public static final com.squareup.okhttp.MediaType URLENCODED

Method Detail

setConf

public void setConf(Configuration conf)

Description copied from class: AccessTokenProvider

Set the conf.

Specified by:

setConf in interface Configurable

Overrides:

setConf in class AccessTokenProvider

Parameters:

conf - New configuration.

getAccessToken

public String getAccessToken()
                      throws IOException

Description copied from class: AccessTokenProvider

Obtain the access token that should be added to http connection's header. Will be called for each connection, so implementations should be performant. Implementations are responsible for any refreshing of the token.

Specified by:

getAccessToken in class AccessTokenProvider

Returns:

Access token to be added to connection header.

Throws:

IOException