com.google.auth.appengine

Class AppEngineCredentials

java.lang.Object

com.google.auth.Credentials

com.google.auth.oauth2.OAuth2Credentials

com.google.auth.oauth2.GoogleCredentials

com.google.auth.appengine.AppEngineCredentials

All Implemented Interfaces:

QuotaProjectIdProvider, ServiceAccountSigner, Serializable

public class AppEngineCredentials
extends GoogleCredentials
implements ServiceAccountSigner

OAuth2 credentials representing the built-in service account for Google App Engine. You should only use this class if you are running on AppEngine and are using urlfetch.

Fetches access tokens from the App Identity service.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AppEngineCredentials.Builder

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

OAuth2Credentials.CredentialsChangedListener

Nested classes/interfaces inherited from interface com.google.auth.ServiceAccountSigner

ServiceAccountSigner.SigningException

Field Summary

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

quotaProjectId

Method Summary

Modifier and Type	Method and Description
GoogleCredentials	createScoped(Collection<String> scopes) If the credentials support scopes, creates a copy of the identity with the specified scopes; otherwise, returns the same instance.
boolean	createScopedRequired() Indicates whether the credentials require scopes to be specified via a call to GoogleCredentials.createScoped(java.util.Collection<java.lang.String>) before use.
boolean	equals(Object obj)
String	getAccount() Returns the service account associated with the signer.
int	hashCode()
static AppEngineCredentials.Builder	newBuilder()
AccessToken	refreshAccessToken() Refresh the access token by getting it from the App Identity service
byte[]	sign(byte[] toSign) Signs the provided bytes using the private key associated with the service account.
AppEngineCredentials.Builder	toBuilder()
String	toString()

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

create, createDelegated, createScoped, createScoped, createWithCustomRetryStrategy, createWithQuotaProject, fromStream, fromStream, getAdditionalHeaders, getApplicationDefault, getApplicationDefault, getQuotaProjectId

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

addChangeListener, getAccessToken, getAuthenticationType, getFromServiceLoader, getRequestMetadata, getRequestMetadata, getRequestMetadataInternal, hasRequestMetadata, hasRequestMetadataOnly, newInstance, refresh, refreshIfExpired, removeChangeListener

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

Method Detail

refreshAccessToken

public AccessToken refreshAccessToken()
                               throws IOException

Refresh the access token by getting it from the App Identity service

Overrides:

refreshAccessToken in class OAuth2Credentials

Returns:

never

Throws:

IOException

createScopedRequired

public boolean createScopedRequired()

Description copied from class: GoogleCredentials

Indicates whether the credentials require scopes to be specified via a call to GoogleCredentials.createScoped(java.util.Collection<java.lang.String>) before use.

Overrides:

createScopedRequired in class GoogleCredentials

Returns:

Whether the credentials require scopes to be specified.

createScoped

public GoogleCredentials createScoped(Collection<String> scopes)

Description copied from class: GoogleCredentials

If the credentials support scopes, creates a copy of the identity with the specified scopes; otherwise, returns the same instance.

Overrides:

createScoped in class GoogleCredentials

Parameters:

scopes - Collection of scopes to request.

Returns:

GoogleCredentials with requested scopes.

getAccount

public String getAccount()

Description copied from interface: ServiceAccountSigner

Returns the service account associated with the signer.

Specified by:

getAccount in interface ServiceAccountSigner

Returns:

The service account associated with the signer.

sign

public byte[] sign(byte[] toSign)

Description copied from interface: ServiceAccountSigner

Signs the provided bytes using the private key associated with the service account.

Specified by:

sign in interface ServiceAccountSigner

Parameters:

toSign - bytes to sign

Returns:

signed bytes

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

newBuilder

public static AppEngineCredentials.Builder newBuilder()

toBuilder

public AppEngineCredentials.Builder toBuilder()

Overrides:

toBuilder in class GoogleCredentials