/* * Copyright (c) 1999, 2010, 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.security.auth; /** * <p> This class extends <code>NTSid</code> * and represents a Windows NT user's domain SID. * * <p> An NT user only has a domain SID if in fact they are logged * into an NT domain.  If the user is logged into a workgroup or * just a standalone configuration, they will NOT have a domain SID. * * <p> Principals such as this <code>NTSidDomainPrincipal</code> * may be associated with a particular <code>Subject</code> * to augment that <code>Subject</code> with an additional * identity.  Refer to the <code>Subject</code> class for more information * on how to achieve this.  Authorization decisions can then be based upon * the Principals associated with a <code>Subject</code>. * * @see java.security.Principal * @see javax.security.auth.Subject */public class NTSidDomainPrincipal extends NTSid {     private static final long serialVersionUID = 5247810785821650912L;     /**     * Create an <code>NTSidDomainPrincipal</code> with a Windows NT SID.     *     * <p>     *     * @param name a string version of the Windows NT SID for this     *                  user's domain.<p>     *     * @exception NullPointerException if the <code>name</code>     *                  is <code>null</code>.     */    public NTSidDomainPrincipal(String name) {        super(name);    }     /**     * Return a string representation of this <code>NTSidDomainPrincipal</code>.     *     * <p>     *     * @return a string representation of this     *          <code>NTSidDomainPrincipal</code>.     */    public String toString() {        java.text.MessageFormat form = new java.text.MessageFormat                (sun.security.util.ResourcesMgr.getString                        ("NTSidDomainPrincipal.name",                        "sun.security.util.AuthResources"));        Object[] source = {getName()};        return form.format(source);    }     /**     * Compares the specified Object with this <code>NTSidDomainPrincipal</code>     * for equality.  Returns true if the given object is also a     * <code>NTSidDomainPrincipal</code> and the two NTSidDomainPrincipals     * have the same SID.     *     * <p>     *     * @param o Object to be compared for equality with this     *          <code>NTSidDomainPrincipal</code>.     *     * @return true if the specified Object is equal equal to this     *          <code>NTSidDomainPrincipal</code>.     */    public boolean equals(Object o) {            if (o == null)                return false;         if (this == o)            return true;         if (!(o instanceof NTSidDomainPrincipal))            return false;         return super.equals(o);    }}