Overview Package Class Use Source Tree Index Deprecated About
Prev Class | Next ClassFrames | No Frames
Summary: Nested | Field | Method | ConstrDetail: Nested | Field | Method | Constr

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

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

Methods inherited from interface java.security.Principal

equals, getName, hashCode, toString

Method Details

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

extends Principal> members

public Enumerationextends 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

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

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
Group.java -- Represents a group of Principals Copyright (C) 1998, 2001 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

Overview Package Class Use Source Tree Index Deprecated About