java.security.acl

Interface Group

All Superinterfaces:

Principal

public interface Group
extends Principal

This interface represents a group of Principals. Note that since this interface extends Principal, a Group can be used where ever a Principal is requested. This includes arguments to the methods in this interface.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	addMember(Principal user) This method adds a new Principal to this group.
boolean	isMember(Principal member) This method tests whether or not a given Principal is a member of this group.
Enumeration<? extends Principal>	members() This method returns a list of all members of the group as an Enumeration.
boolean	removeMember(Principal user) This method deletes a member from the group.

Methods inherited from interface java.security.Principal

equals, getName, hashCode, toString

Method Detail

addMember

boolean addMember(Principal user)

This method adds a new Principal to this group.

Parameters:

user - The new Principal to add

Returns:

true if the user was successfully added or false if the user is already a member

removeMember

boolean removeMember(Principal user)

This method deletes a member from the group.

Parameters:

user - The Principal to delete

Returns:

true if the user was successfully deleted or false if the user is not a member of the group

isMember

boolean isMember(Principal member)

This method tests whether or not a given Principal is a member of this group.

Parameters:

member - The Principal to test for membership

Returns:

true if the user is member, false otherwise

members

Enumeration<? extends Principal> members()

This method returns a list of all members of the group as an Enumeration.

Returns:

The list of all members of the group