public interface AuthenticationProvider
Authentication
implementation.Modifier and Type | Method and Description |
---|---|
Authentication |
authenticate(Authentication authentication)
Performs authentication with the same contract as
AuthenticationManager.authenticate(Authentication)
. |
boolean |
supports(java.lang.Class<?> authentication)
Returns
true if this AuthenticationProvider supports the
indicated Authentication object. |
Authentication authenticate(Authentication authentication) throws AuthenticationException
AuthenticationManager.authenticate(Authentication)
.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.boolean supports(java.lang.Class<?> authentication)
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 authenticate(Authentication)
method to
indicate another AuthenticationProvider
should be tried.
Selection of an AuthenticationProvider
capable of performing
authentication is conducted at runtime the ProviderManager
.
authentication
- true
if the implementation can more closely evaluate the
Authentication
class presented