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java.lang.Objectorg.springframework.security.config.authentication.AuthenticationManagerBeanDefinitionParser.NullAuthenticationProvider
public static final class AuthenticationManagerBeanDefinitionParser.NullAuthenticationProvider
Provider which doesn't provide any service. Only used to prevent a configuration exception if the provider list is empty (usually because a child ProviderManager from the <http> namespace, such as OpenID, is expected to handle the request).
Constructor Summary | |
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AuthenticationManagerBeanDefinitionParser.NullAuthenticationProvider()
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Method Summary | |
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Authentication |
authenticate(Authentication authentication)
Performs authentication with the same contract as AuthenticationManager.authenticate(Authentication) . |
boolean |
supports(java.lang.Class<? extends java.lang.Object> authentication)
Returns true if this AuthenticationProvider supports the indicated
Authentication object. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public AuthenticationManagerBeanDefinitionParser.NullAuthenticationProvider()
Method Detail |
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public Authentication authenticate(Authentication authentication) throws AuthenticationException
AuthenticationProvider
AuthenticationManager.authenticate(Authentication)
.
authenticate
in interface AuthenticationProvider
authentication
- the authentication request object.
null
if the
AuthenticationProvider
is unable to support authentication of the passed
Authentication
object. In such a case, the next AuthenticationProvider
that
supports the presented Authentication
class will be tried.
AuthenticationException
- if authentication fails.public boolean supports(java.lang.Class<? extends java.lang.Object> authentication)
AuthenticationProvider
true
if this AuthenticationProvider
supports the indicated
Authentication
object.
Returning true
does not guarantee an AuthenticationProvider
will be able to
authenticate the presented instance of the Authentication
class. It simply indicates it can support
closer evaluation of it. An AuthenticationProvider
can still return null
from the
AuthenticationProvider.authenticate(Authentication)
method to indicate another AuthenticationProvider
should be
tried.
Selection of an AuthenticationProvider
capable of performing authentication is
conducted at runtime the ProviderManager
.
supports
in interface AuthenticationProvider
authentication
- DOCUMENT ME!
true
if the implementation can more closely evaluate the Authentication
class
presented
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