Class AuthenticationManagerBeanDefinitionParser.NullAuthenticationProvider

  • All Implemented Interfaces:
    Enclosing class:

    public static final class AuthenticationManagerBeanDefinitionParser.NullAuthenticationProvider
    extends java.lang.Object
    implements AuthenticationProvider
    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 Detail

      • NullAuthenticationProvider

        public NullAuthenticationProvider()
    • Method Detail

      • supports

        public boolean supports​(java.lang.Class<?> authentication)
        Description copied from interface: AuthenticationProvider
        Returns 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.

        Specified by:
        supports in interface AuthenticationProvider
        true if the implementation can more closely evaluate the Authentication class presented