com.google.cloud.tools.jib.api

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.

Method Summary

Modifier and Type	Method and Description
java.util.Optional<Credential>	retrieve() Fetches the credentials.

Method Detail

retrieve

java.util.Optional<Credential> retrieve()
                                 throws CredentialRetrievalException

Fetches the credentials. Implementations must be thread-safe.

Implementations should return Optional.empty() 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 Optional.empty() if no credentials could be fetched with this provider

Throws:

CredentialRetrievalException - if the credential retrieval encountered an exception