| Package | Description | 
|---|---|
| org.apache.hadoop.security.authentication.client | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | KerberosAuthenticatorThe  KerberosAuthenticatorimplements the Kerberos SPNEGO authentication sequence. | 
| class  | PseudoAuthenticatorThe  PseudoAuthenticatorimplementation provides an authentication equivalent to Hadoop's
 Simple authentication, it trusts the value of the 'user.name' Java System property. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected Authenticator | AuthenticatedURL. getAuthenticator()Returns the  Authenticatorinstance used by theAuthenticatedURL. | 
| protected Authenticator | KerberosAuthenticator. getFallBackAuthenticator()If the specified URL does not support SPNEGO authentication, a fallback  Authenticatorwill be used. | 
| Modifier and Type | Method and Description | 
|---|---|
| static Class<? extends Authenticator> | AuthenticatedURL. getDefaultAuthenticator()Returns the default  Authenticatorclass to use when anAuthenticatedURLinstance
 is created without specifying an authenticator. | 
| Modifier and Type | Method and Description | 
|---|---|
| static void | AuthenticatedURL. setDefaultAuthenticator(Class<? extends Authenticator> authenticator)Sets the default  Authenticatorclass to use when anAuthenticatedURLinstance
 is created without specifying an authenticator. | 
| Constructor and Description | 
|---|
| AuthenticatedURL(Authenticator authenticator)Creates an  AuthenticatedURL. | 
| AuthenticatedURL(Authenticator authenticator,
                ConnectionConfigurator connConfigurator)Creates an  AuthenticatedURL. | 
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