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

All Implemented Interfaces:

Serializable

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.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.google.auth.oauth2.OAuth2Credentials

OAuth2Credentials.CredentialsChangedListener

Constructor Summary

Constructors

Constructor and Description
ComputeEngineCredentials() Constructor with minimum information and default behavior.
ComputeEngineCredentials(HttpTransportFactory transportFactory) Constructor with overridden transport.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
int	hashCode()
AccessToken	refreshAccessToken() Refresh the access token by getting it from the GCE metadata server
String	toString()

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

createScoped, createScopedRequired, fromStream, fromStream, getApplicationDefault, getApplicationDefault

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

addChangeListener, getAccessToken, getAuthenticationType, getFromServiceLoader, getRequestMetadata, getRequestMetadata, hasRequestMetadata, hasRequestMetadataOnly, newInstance, refresh, toStringHelper

Methods inherited from class com.google.auth.Credentials

blockingGetToCallback, getRequestMetadata

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ComputeEngineCredentials

public ComputeEngineCredentials()

Constructor with minimum information and default behavior.

ComputeEngineCredentials

public ComputeEngineCredentials(HttpTransportFactory transportFactory)

Constructor with overridden transport.

Parameters:

transportFactory - HTTP transport factory, creates the transport 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

Overrides:

refreshAccessToken in class OAuth2Credentials

Throws:

IOException - from derived implementations

hashCode

public int hashCode()

Overrides:

hashCode in class OAuth2Credentials

toString

public String toString()

Overrides:

toString in class OAuth2Credentials

equals

public boolean equals(Object obj)

Overrides:

equals in class OAuth2Credentials