java.security.acl

Interface Group

All Superinterfaces:

Principal

public interface Group
extends Principal

A Principal that represents a group of principals.

See Also:

Principal

Method Summary

Modifier and Type	Method and Description
boolean	addMember(Principal user) Adds a member to this group.
boolean	isMember(Principal member) Returns whether the specified principal is a member of this group.
Enumeration<? extends Principal>	members() Returns the members of this group.
boolean	removeMember(Principal user) Removes a member from this group.

Methods inherited from interface java.security.Principal

equals, getName, hashCode, toString

Method Detail

addMember

boolean addMember(Principal user)

Adds a member to this group.

Parameters:

user - the member to add.

Returns:

true if the member was added, false if it was already a member.

removeMember

boolean removeMember(Principal user)

Removes a member from this group.

Parameters:

user - the member to remove.

Returns:

true if the member was removed, false if it was not a member.

isMember

boolean isMember(Principal member)

Returns whether the specified principal is a member of this group.

Parameters:

member - the principal to check.

Returns:

true if the principal is a member, otherwise false.

members

Enumeration<? extends Principal> members()

Returns the members of this group.

Returns:

the members of this group.