com.scalepoint.oauth_token_client

Class ClientCredentialsGrantTokenClient

java.lang.Object

com.scalepoint.oauth_token_client.CustomGrantTokenClient

com.scalepoint.oauth_token_client.ClientCredentialsGrantTokenClient

public class ClientCredentialsGrantTokenClient
extends CustomGrantTokenClient

OAuth2 Token endpoint client with "client_credentials" flow support Tokens are cached in-memory by default.

Constructor Summary

Constructors

Constructor and Description
ClientCredentialsGrantTokenClient(String tokenEndpointUri, ClientCredentials clientCredentials) OAuth2 Creates new token client
ClientCredentialsGrantTokenClient(String tokenEndpointUri, ClientCredentials clientCredentials, TokenCache cache) OAuth2 Creates new token client

Method Summary

Modifier and Type	Method and Description
protected String	getGrantType()
String	getToken(String... scopes) Retrieve access token for the configured "client_id" and specified scopes.

Methods inherited from class com.scalepoint.oauth_token_client.CustomGrantTokenClient

getTokenInternal

Methods inherited from class java.lang.Object

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

Constructor Detail

ClientCredentialsGrantTokenClient

public ClientCredentialsGrantTokenClient(String tokenEndpointUri,
                                         ClientCredentials clientCredentials)

OAuth2 Creates new token client

Parameters:

tokenEndpointUri - OAuth2 Token endpoint URI

clientCredentials - OAuth2 client credentials

ClientCredentialsGrantTokenClient

public ClientCredentialsGrantTokenClient(String tokenEndpointUri,
                                         ClientCredentials clientCredentials,
                                         TokenCache cache)

OAuth2 Creates new token client

Parameters:

tokenEndpointUri - OAuth2 Token endpoint URI

clientCredentials - OAuth2 client credentials

cache - Token cache

Method Detail

getToken

public String getToken(String... scopes)
                throws IOException

Retrieve access token for the configured "client_id" and specified scopes. Request to the server is only performed if matching valid token is not in the cache

Parameters:

scopes - OAuth2 scopes to request

Returns:

Access token

Throws:

IOException - Exception during token endpoint communication

getGrantType

protected String getGrantType()

Specified by:

getGrantType in class CustomGrantTokenClient

Returns:

Grant type (i.e. "client_credentials")