org.apache.hadoop.hbase.security.provider

Class SaslServerAuthenticationProviders

java.lang.Object

org.apache.hadoop.hbase.security.provider.SaslServerAuthenticationProviders

@InterfaceAudience.Private
public final class SaslServerAuthenticationProviders
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	EXTRA_PROVIDERS_KEY
private static AtomicReference<SaslServerAuthenticationProviders>	holder
private static org.slf4j.Logger	LOG
private HashMap<Byte,SaslServerAuthenticationProvider>	providers

Constructor Summary

Constructors

Modifier	Constructor and Description
private	SaslServerAuthenticationProviders(org.apache.hadoop.conf.Configuration conf, HashMap<Byte,SaslServerAuthenticationProvider> providers)

Method Summary

Modifier and Type	Method and Description
(package private) static void	addExtraProviders(org.apache.hadoop.conf.Configuration conf, HashMap<Byte,SaslServerAuthenticationProvider> providers) Adds any providers defined in the configuration.
(package private) static void	addProviderIfNotExists(SaslServerAuthenticationProvider provider, HashMap<Byte,SaslServerAuthenticationProvider> providers) Adds the given provider into the map of providers if a mapping for the auth code does not already exist in the map.
(package private) static SaslServerAuthenticationProviders	createProviders(org.apache.hadoop.conf.Configuration conf) Loads server authentication providers from the classpath and configuration, and then creates the SaslServerAuthenticationProviders instance.
static SaslServerAuthenticationProviders	getInstance(org.apache.hadoop.conf.Configuration conf) Returns a singleton instance of SaslServerAuthenticationProviders.
int	getNumRegisteredProviders() Returns the number of registered providers.
SaslServerAuthenticationProvider	getSimpleProvider() Extracts the SIMPLE authentication provider.
static void	reset() Removes the cached singleton instance of SaslServerAuthenticationProviders.
SaslServerAuthenticationProvider	selectProvider(byte authByte) Selects the appropriate SaslServerAuthenticationProvider from those available.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

private static final org.slf4j.Logger LOG

EXTRA_PROVIDERS_KEY

public static final String EXTRA_PROVIDERS_KEY

See Also:

Constant Field Values

holder

private static final AtomicReference<SaslServerAuthenticationProviders> holder

providers

private final HashMap<Byte,SaslServerAuthenticationProvider> providers

Constructor Detail

SaslServerAuthenticationProviders

private SaslServerAuthenticationProviders(org.apache.hadoop.conf.Configuration conf,
                                          HashMap<Byte,SaslServerAuthenticationProvider> providers)

Method Detail

getNumRegisteredProviders

public int getNumRegisteredProviders()

Returns the number of registered providers.

getInstance

public static SaslServerAuthenticationProviders getInstance(org.apache.hadoop.conf.Configuration conf)

Returns a singleton instance of SaslServerAuthenticationProviders.

reset

public static void reset()

Removes the cached singleton instance of SaslServerAuthenticationProviders.

addProviderIfNotExists

static void addProviderIfNotExists(SaslServerAuthenticationProvider provider,
                                   HashMap<Byte,SaslServerAuthenticationProvider> providers)

Adds the given provider into the map of providers if a mapping for the auth code does not already exist in the map.

addExtraProviders

static void addExtraProviders(org.apache.hadoop.conf.Configuration conf,
                              HashMap<Byte,SaslServerAuthenticationProvider> providers)

Adds any providers defined in the configuration.

createProviders

static SaslServerAuthenticationProviders createProviders(org.apache.hadoop.conf.Configuration conf)

Loads server authentication providers from the classpath and configuration, and then creates the SaslServerAuthenticationProviders instance.

selectProvider

public SaslServerAuthenticationProvider selectProvider(byte authByte)

Selects the appropriate SaslServerAuthenticationProvider from those available. If there is no matching provider for the given authByte, this method will return null.

getSimpleProvider

public SaslServerAuthenticationProvider getSimpleProvider()

Extracts the SIMPLE authentication provider.