/* * Copyright (c) 1997, 2007, 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 com.sun.jmx.snmp.IPAcl;import java.util.Vector;import java.io.Serializable;import java.security.Principal;import java.security.acl.Owner;import java.security.acl.LastOwnerException;import java.security.acl.NotOwnerException;/** * Owner of Access Control Lists (ACLs). * The initial owner Principal should be specified as an * argument to the constructor of the class AclImpl. * * @see java.security.acl.Owner */class OwnerImpl implements Owner, Serializable { private static final long serialVersionUID = -576066072046319874L; private Vector<Principal> ownerList = null; /** * Constructs an empty list of owner. */ public OwnerImpl (){ ownerList = new Vector<Principal>(); } /** * Constructs a list of owner with the specified principal as first element. * * @param owner the principal added to the owner list. */ public OwnerImpl (PrincipalImpl owner){ ownerList = new Vector<Principal>(); ownerList.addElement(owner); } /** * Adds an owner. Only owners can modify ACL contents. The caller principal * must be an owner of the ACL in order to invoke this method. That is, only * an owner can add another owner. The initial owner is configured at * ACL construction time. * * @param caller the principal invoking this method. * It must be an owner of the ACL. * @param owner the owner that should be added to the list of owners. * @return true if successful, false if owner is already an owner. * @exception NotOwnerException if the caller principal is not an owner * of the ACL. */ public boolean addOwner(Principal caller, Principal owner) throws NotOwnerException { if (!ownerList.contains(caller)) throw new NotOwnerException(); if (ownerList.contains(owner)) { return false; } else { ownerList.addElement(owner); return true; } } /** * Deletes an owner. If this is the last owner in the ACL, an exception is raised. *<P> * The caller principal must be an owner of the ACL in order to invoke this method. * * @param caller the principal invoking this method. It must be an owner * of the ACL. * @param owner the owner to be removed from the list of owners. * @return true if successful, false if owner is already an owner. * @exception NotOwnerException if the caller principal is not an owner * of the ACL. * @exception LastOwnerException if there is only one owner left, so that * deleteOwner would leave the ACL owner-less. */ public boolean deleteOwner(Principal caller, Principal owner) throws NotOwnerException,LastOwnerException { if (!ownerList.contains(caller)) throw new NotOwnerException(); if (!ownerList.contains(owner)){ return false; } else { if (ownerList.size() == 1) throw new LastOwnerException(); ownerList.removeElement(owner); return true; } } /** * Returns true if the given principal is an owner of the ACL. * * @param owner the principal to be checked to determine whether or * not it is an owner. * @return true if the given principal is an owner of the ACL. */ public boolean isOwner(Principal owner){ return ownerList.contains(owner); }}
/*
* Copyright (c) 1997, 2007, 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 com.sun.jmx.snmp.IPAcl;
import java.util.Vector;
import java.io.Serializable;
import java.security.Principal;
import java.security.acl.Owner;
import java.security.acl.LastOwnerException;
import java.security.acl.NotOwnerException;
/**
* Owner of Access Control Lists (ACLs).
* The initial owner Principal should be specified as an
* argument to the constructor of the class AclImpl.
*
* @see java.security.acl.Owner
*/
class OwnerImpl implements Owner, Serializable {
private static final long serialVersionUID = -576066072046319874L;
private Vector<Principal> ownerList = null;
/**
* Constructs an empty list of owner.
*/
public OwnerImpl (){
ownerList = new Vector<Principal>();
}
/**
* Constructs a list of owner with the specified principal as first element.
*
* @param owner the principal added to the owner list.
*/
public OwnerImpl (PrincipalImpl owner){
ownerList = new Vector<Principal>();
ownerList.addElement(owner);
}
/**
* Adds an owner. Only owners can modify ACL contents. The caller principal
* must be an owner of the ACL in order to invoke this method. That is, only
* an owner can add another owner. The initial owner is configured at
* ACL construction time.
*
* @param caller the principal invoking this method.
* It must be an owner of the ACL.
* @param owner the owner that should be added to the list of owners.
* @return true if successful, false if owner is already an owner.
* @exception NotOwnerException if the caller principal is not an owner
* of the ACL.
*/
public boolean addOwner(Principal caller, Principal owner)
throws NotOwnerException {
if (!ownerList.contains(caller))
throw new NotOwnerException();
if (ownerList.contains(owner)) {
return false;
} else {
ownerList.addElement(owner);
return true;
}
}
/**
* Deletes an owner. If this is the last owner in the ACL, an exception is raised.
*<P>
* The caller principal must be an owner of the ACL in order to invoke this method.
*
* @param caller the principal invoking this method. It must be an owner
* of the ACL.
* @param owner the owner to be removed from the list of owners.
* @return true if successful, false if owner is already an owner.
* @exception NotOwnerException if the caller principal is not an owner
* of the ACL.
* @exception LastOwnerException if there is only one owner left, so that
* deleteOwner would leave the ACL owner-less.
*/
public boolean deleteOwner(Principal caller, Principal owner)
throws NotOwnerException,LastOwnerException {
if (!ownerList.contains(caller))
throw new NotOwnerException();
if (!ownerList.contains(owner)){
return false;
} else {
if (ownerList.size() == 1)
throw new LastOwnerException();
ownerList.removeElement(owner);
return true;
}
}
/**
* Returns true if the given principal is an owner of the ACL.
*
* @param owner the principal to be checked to determine whether or
* not it is an owner.
* @return true if the given principal is an owner of the ACL.
*/
public boolean isOwner(Principal owner){
return ownerList.contains(owner);
}
}