org.springframework.security.access.hierarchicalroles
Class NullRoleHierarchy

java.lang.Object
  org.springframework.security.access.hierarchicalroles.NullRoleHierarchy

All Implemented Interfaces:

RoleHierarchy

public final class NullRoleHierarchy
extends Object
implements RoleHierarchy

Since:

3.0

Version:

$Id$

Author:

Luke Taylor

Constructor Summary

NullRoleHierarchy()

Method Summary

Collection<GrantedAuthority>

getReachableGrantedAuthorities(Collection<GrantedAuthority> authorities) Returns an array of all reachable authorities.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullRoleHierarchy

public NullRoleHierarchy()

Method Detail

getReachableGrantedAuthorities

public Collection<GrantedAuthority> getReachableGrantedAuthorities(Collection<GrantedAuthority> authorities)

Description copied from interface: RoleHierarchy

Returns an array of all reachable authorities.

Reachable authorities are the directly assigned authorities plus all authorities that are (transitively) reachable from them in the role hierarchy.

Example:
Role hierarchy: ROLE_A > ROLE_B and ROLE_B > ROLE_C.
Directly assigned authority: ROLE_A.
Reachable authorities: ROLE_A, ROLE_B, ROLE_C.

Specified by:

getReachableGrantedAuthorities in interface RoleHierarchy

Parameters:

authorities - - List of the directly assigned authorities.

Returns:

List of all reachable authorities given the assigned authorities.