org.apache.hadoop.security.authentication.client
Interface Authenticator

All Known Implementing Classes:

KerberosAuthenticator, PseudoAuthenticator

public interface Authenticator

Interface for client authentication mechanisms.

Implementations are use-once instances, they don't need to be thread safe.

Method Summary

void	authenticate(URL url, AuthenticatedURL.Token token) Authenticates against a URL and returns a AuthenticatedURL.Token to be used by subsequent requests.
void	setConnectionConfigurator(ConnectionConfigurator configurator) Sets a ConnectionConfigurator instance to use for configuring connections.

Method Detail

setConnectionConfigurator

void setConnectionConfigurator(ConnectionConfigurator configurator)

Sets a ConnectionConfigurator instance to use for configuring connections.

Parameters:

configurator - the ConnectionConfigurator instance.

authenticate

void authenticate(URL url,
                  AuthenticatedURL.Token token)
                  throws IOException,
                         AuthenticationException

Authenticates against a URL and returns a AuthenticatedURL.Token to be used by subsequent requests.

Parameters:

url - the URl to authenticate against.

token - the authentication token being used for the user.

Throws:

IOException - if an IO error occurred.

AuthenticationException - if an authentication error occurred.