com.google.cloud.tools.jib.configuration.credentials

Interface CredentialRetriever

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface CredentialRetriever

Retrieves credentials for a registry.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	CredentialRetriever.CredentialRetrievalException Thrown if something went wrong during retrieve().

Method Summary

Modifier and Type	Method and Description
Credential	retrieve() Fetches the credentials.

Method Detail

retrieve

@Nullable
Credential retrieve()
                       throws CredentialRetriever.CredentialRetrievalException

Fetches the credentials. Implementations must be thread-safe.

Implementations should return null if no credentials could be fetched with this CredentialRetriever (and so other credential retrieval methods may be tried), or throw an exception something went wrong when fetching the credentials.

Returns:

the fetched credentials or null if no credentials could be fetched with this provider

Throws:

CredentialRetriever.CredentialRetrievalException - if the credential retrieval encountered an exception