Chain User Provider.
InMemoryUserProvider is a simple non persistent user provider.
LdapUserProvider is a simple user provider on top of ldap.
MissingUserProvider is a dummy user provider used to throw proper exception when a firewall requires a user provider but none was defined.
User is the user implementation used by the in-memory user provider.
UserChecker checks the user account flags.


Adds extra features to a user class related to account status flags.
EquatableInterface used to test if two objects are equal in security and re-authentication context.
Implement to throw AccountStatusException during the authentication process.
Represents the interface that all user classes must implement.
Represents a class that loads UserInterface objects from some source for the authentication system.