2362N/A * Copyright (c) 1996, 2006, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * Class implementing the Owner interface. The 0N/A * initial owner principal is configured as 0N/A * part of the constructor. 0N/A * @author Satish Dharmaraj 0N/A * Adds an owner. Owners can modify ACL contents and can disassociate 0N/A * ACLs from the objects they protect in the AclConfig interface. 0N/A * The caller principal must be a part of the owners list of the ACL in 0N/A * order to invoke this method. The initial owner is configured 0N/A * at ACL construction time. 0N/A * @param caller the principal who is invoking this method. 0N/A * @param owner The owner that should be added to the owners list. 0N/A * @return true if success, false if already an owner. 0N/A * @exception NotOwnerException if the caller principal is not on 0N/A * the owners list of the Acl. 0N/A * Delete owner. If this is the last owner in the ACL, an exception is 0N/A * The caller principal must be a part of the owners list of the ACL in 0N/A * order to invoke this method. 0N/A * @param caller the principal who is invoking this method. 0N/A * @param owner The owner to be removed from the owners list. 0N/A * @return true if the owner is removed, false if the owner is not part 0N/A * of the owners list. 0N/A * @exception NotOwnerException if the caller principal is not on 0N/A * the owners list of the Acl. 0N/A * @exception LastOwnerException if there is only one owner left in the group, then 0N/A * deleteOwner would leave the ACL owner-less. This exception is raised in such a case. 0N/A // check if there is atleast 2 members left. 0N/A * returns if the given principal belongs to the owner list. 0N/A * @param owner The owner to check if part of the owners list 0N/A * @return true if the passed principal is in the owner list, false if not.