Realm implementations for the
various supported realm technologies for authenticating users and
identifying their associated roles.See: Description
| Interface | Description | 
|---|---|
| X509UsernameRetriever | Provides an interface for retrieving a user name from an X509Certificate. | 
| Class | Description | 
|---|---|
| CombinedRealm | Realm implementation that contains one or more realms. | 
| Constants | Manifest constants for this Java package. | 
| DataSourceRealm | Implementation of Realm that works with any JDBC JNDI DataSource. | 
| GenericPrincipal | Generic implementation of java.security.Principal that
 is available for use by  Realmimplementations. | 
| JAASCallbackHandler | Implementation of the JAAS  CallbackHandlerinterface,
 used to negotiate delivery of the username and credentials that were
 specified to our constructor. | 
| JAASMemoryLoginModule | Implementation of the JAAS LoginModule interface,
 primarily for use in testing  JAASRealm. | 
| JAASRealm | Implementation of Realm that authenticates users via the Java
 Authentication and Authorization Service (JAAS). | 
| JDBCRealm | Implementation of Realm that works with any JDBC supported database. | 
| JNDIRealm | Implementation of Realm that works with a directory
 server accessed via the Java Naming and Directory Interface (JNDI) APIs. | 
| JNDIRealm.User | A protected class representing a User | 
| LockOutRealm | This class extends the CombinedRealm (hence it can wrap other Realms) to
 provide a user lock out mechanism if there are too many failed
 authentication attempts in a given period of time. | 
| LockOutRealm.LockRecord | |
| MemoryRealm | Simple implementation of Realm that reads an XML file to configure
 the valid users, passwords, and roles. | 
| MemoryRuleSet | RuleSet for recognizing the users defined in the
 XML file processed by  MemoryRealm. | 
| NullRealm | Minimal Realm implementation that always returns null when an attempt is made
 to validate a user name and password. | 
| RealmBase | Simple implementation of Realm that reads an XML file to configure
 the valid users, passwords, and roles. | 
| RealmBase.AllRolesMode | |
| UserDatabaseRealm | Implementation of  Realmthat is based on an implementation ofUserDatabasemade available through the global JNDI resources
 configured for this instance of Catalina. | 
| X509SubjectDnRetriever | An X509UsernameRetriever that returns a certificate's entire
 SubjectDN as the username. | 
This package contains Realm implementations for the
various supported realm technologies for authenticating users and
identifying their associated roles.  The Realm that is
associated with a web application's Context (or a hierarchically
superior Container) is used to resolve authentication and role presence
questions when a web application uses container managed security as described
in the Servlet API Specification, version 2.2.
The implementations share a common base class that supports basic
functionality for all of the standard Realm implementations.
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