org.acegisecurity.runas
Class NullRunAsManager

java.lang.Object
  org.acegisecurity.runas.NullRunAsManager

All Implemented Interfaces:

RunAsManager

public class NullRunAsManager
extends Object
implements RunAsManager

Implementation of a RunAsManager that does nothing.

This class should be used if you do not require run-as authenticaiton replacement functionality.

Version:

$Id: NullRunAsManager.java,v 1.2 2005/11/17 00:55:51 benalex Exp $

Author:

Ben Alex

Constructor Summary

NullRunAsManager()

Method Summary

Authentication	buildRunAs(Authentication authentication, Object object, ConfigAttributeDefinition config) Returns a replacement Authentication object for the current secure object invocation, or null if replacement not required.
boolean	supports(Class clazz) Indicates whether the RunAsManager implementation is able to provide run-as replacement for the indicated secure object type.
boolean	supports(ConfigAttribute attribute) Indicates whether this RunAsManager is able to process the passed ConfigAttribute.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NullRunAsManager

public NullRunAsManager()

Method Detail

buildRunAs

public Authentication buildRunAs(Authentication authentication,
                                 Object object,
                                 ConfigAttributeDefinition config)

Description copied from interface: RunAsManager

Returns a replacement Authentication object for the current secure object invocation, or null if replacement not required.

Specified by:

buildRunAs in interface RunAsManager

Parameters:

authentication - the caller invoking the secure object

object - the secured object being called

config - the configuration attributes associated with the secure object being invoked

Returns:

a replacement object to be used for duration of the secure object invocation, or null if the Authentication should be left as is

supports

public boolean supports(ConfigAttribute attribute)

Description copied from interface: RunAsManager

Indicates whether this RunAsManager is able to process the passed ConfigAttribute.

This allows the AbstractSecurityInterceptor to check every configuration attribute can be consumed by the configured AccessDecisionManager and/or RunAsManager and/or AfterInvocationManager.

Specified by:

supports in interface RunAsManager

Parameters:

attribute - a configuration attribute that has been configured against the AbstractSecurityInterceptor

Returns:

true if this RunAsManager can support the passed configuration attribute

supports

public boolean supports(Class clazz)

Description copied from interface: RunAsManager

Indicates whether the RunAsManager implementation is able to provide run-as replacement for the indicated secure object type.

Specified by:

supports in interface RunAsManager

Parameters:

clazz - the class that is being queried

Returns:

true if the implementation can process the indicated class