94 lines
3.4 KiB
Java
94 lines
3.4 KiB
Java
/*
|
|
* Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* This code 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
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package java.security.acl;
|
|
|
|
import java.util.Enumeration;
|
|
import java.security.Principal;
|
|
|
|
/**
|
|
* This interface is used to represent a group of principals. (A principal
|
|
* represents an entity such as an individual user or a company). <p>
|
|
*
|
|
* Note that Group extends Principal. Thus, either a Principal or a Group can
|
|
* be passed as an argument to methods containing a Principal parameter. For
|
|
* example, you can add either a Principal or a Group to a Group object by
|
|
* calling the object's {@code addMember} method, passing it the
|
|
* Principal or Group.
|
|
*
|
|
* @author Satish Dharmaraj
|
|
* @since 1.1
|
|
*
|
|
* @deprecated This class is deprecated and subject to removal in a future
|
|
* version of Java SE. It has been replaced by {@code java.security.Policy}
|
|
* and related classes since 1.2.
|
|
*/
|
|
@Deprecated(since="9", forRemoval=true)
|
|
public interface Group extends Principal {
|
|
|
|
/**
|
|
* Adds the specified member to the group.
|
|
*
|
|
* @param user the principal to add to this group.
|
|
*
|
|
* @return true if the member was successfully added,
|
|
* false if the principal was already a member.
|
|
*/
|
|
public boolean addMember(Principal user);
|
|
|
|
/**
|
|
* Removes the specified member from the group.
|
|
*
|
|
* @param user the principal to remove from this group.
|
|
*
|
|
* @return true if the principal was removed, or
|
|
* false if the principal was not a member.
|
|
*/
|
|
public boolean removeMember(Principal user);
|
|
|
|
/**
|
|
* Returns true if the passed principal is a member of the group.
|
|
* This method does a recursive search, so if a principal belongs to a
|
|
* group which is a member of this group, true is returned.
|
|
*
|
|
* @param member the principal whose membership is to be checked.
|
|
*
|
|
* @return true if the principal is a member of this group,
|
|
* false otherwise.
|
|
*/
|
|
public boolean isMember(Principal member);
|
|
|
|
|
|
/**
|
|
* Returns an enumeration of the members in the group.
|
|
* The returned objects can be instances of either Principal
|
|
* or Group (which is a subclass of Principal).
|
|
*
|
|
* @return an enumeration of the group members.
|
|
*/
|
|
public Enumeration<? extends Principal> members();
|
|
|
|
}
|