java.security.acl

Interface Group

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
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.

Method Detail

addMember

public 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

isMember

public 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

public 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

removeMember

public 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