org.apache.cxf.common.security.GroupPrincipal Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.common.security;
import java.security.Principal;
import java.util.Enumeration;
public interface GroupPrincipal 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.
*/
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.
*/
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.
*/
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.
*/
Enumeration members();
}