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Java Source Code / Java Documentation » Security » acegi security » org.acegisecurity.providers

Source Cross Reference Class Diagram Java Document (Java Doc)

org.acegisecurity.providers .AuthenticationProvider

All known Subclasses:   org.acegisecurity.providers.rememberme .RememberMeAuthenticationProvider,  org.acegisecurity.providers.anonymous .AnonymousAuthenticationProvider,  org.acegisecurity.providers.portlet .PortletAuthenticationProvider,  org.acegisecurity.providers.openid .OpenIDAuthenticationProvider,  org.acegisecurity.providers.rcp .RemoteAuthenticationProvider,  org.acegisecurity.runas .RunAsImplAuthenticationProvider,  org.acegisecurity.providers.jaas .JaasAuthenticationProvider,  org.acegisecurity.providers .TestingAuthenticationProvider,  org.acegisecurity.providers.dao .AbstractUserDetailsAuthenticationProvider,  org.acegisecurity.providers.cas .CasAuthenticationProvider,  org.acegisecurity.providers.x509 .X509AuthenticationProvider,  org.acegisecurity.adapters .AuthByAdapterProvider,
AuthenticationProvider
public interface AuthenticationProvider (Code)
Indicates a class can process a specific org.acegisecurity.Authentication implementation.
author:
   Ben Alex
version:
   $Id: AuthenticationProvider.java 1784 2007-02-24 21:00:24Z luke_t $

Method Summary
Authentication authenticate(Authentication authentication)
     Performs authentication with the same contract as org.acegisecurity.AuthenticationManager.authenticate(Authentication) .
Parameters:
  authentication - the authentication request object.
boolean supports(Class authentication)
     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.

Method Detail
authenticate
Authentication authenticate(Authentication authentication) throws AuthenticationException(Code)
Performs authentication with the same contract as org.acegisecurity.AuthenticationManager.authenticate(Authentication) .
Parameters:
  authentication - the authentication request object. a fully authenticated object including credentials. May return null if theAuthenticationProvider is unable to support authentication of the passedAuthentication object. In such a case, the next AuthenticationProvider thatsupports the presented Authentication class will be tried.
throws:
  AuthenticationException - if authentication fails.

supports
boolean supports(Class authentication)(Code)
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.

Parameters:
  authentication - DOCUMENT ME! true if the implementation can more closely evaluate the Authentication classpresented

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