com.google.auth.oauth2

Class ComputeEngineCredentials

java.lang.Object

com.google.auth.Credentials

com.google.auth.oauth2.OAuth2Credentials

com.google.auth.oauth2.GoogleCredentials

com.google.auth.oauth2.ComputeEngineCredentials

public class ComputeEngineCredentials
extends GoogleCredentials

OAuth2 credentials representing the built-in service account for a Google Compute Engine VM.

Fetches access tokens from the Google Compute Engine metadata server.

Constructor Summary

Constructors

Constructor and Description
ComputeEngineCredentials() Constructor with minimum information and default behavior.
ComputeEngineCredentials(com.google.api.client.http.HttpTransport transport) Constructor with overridden transport.

Method Summary

Modifier and Type	Method and Description
AccessToken	refreshAccessToken() Refresh the access token by getting it from the GCE metadata server

Methods inherited from class com.google.auth.oauth2.GoogleCredentials

createScoped, createScopedRequired, fromStream, fromStream, getApplicationDefault, getApplicationDefault

Methods inherited from class com.google.auth.oauth2.OAuth2Credentials

getAuthenticationType, getRequestMetadata, hasRequestMetadata, hasRequestMetadataOnly, refresh

Methods inherited from class com.google.auth.Credentials

getRequestMetadata

Methods inherited from class java.lang.Object

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

Constructor Detail

ComputeEngineCredentials

public ComputeEngineCredentials()

Constructor with minimum information and default behavior.

ComputeEngineCredentials

public ComputeEngineCredentials(com.google.api.client.http.HttpTransport transport)

Constructor with overridden transport.

Parameters:

transport - HTTP object used to get access tokens.

Method Detail

refreshAccessToken

public AccessToken refreshAccessToken()
                               throws IOException

Refresh the access token by getting it from the GCE metadata server

Specified by:

refreshAccessToken in class OAuth2Credentials

Throws:

IOException