1 /* 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.security.auth; 27 28 /** 29 * <p> This class extends <code>NTSid</code> 30 * and represents one of the groups to which a Windows NT user belongs. 31 * 32 * <p> Principals such as this <code>NTSidGroupPrincipal</code> 33 * may be associated with a particular <code>Subject</code> 34 * to augment that <code>Subject</code> with an additional 35 * identity. Refer to the <code>Subject</code> class for more information 36 * on how to achieve this. Authorization decisions can then be based upon 37 * the Principals associated with a <code>Subject</code>. 38 * 39 * @see java.security.Principal 40 * @see javax.security.auth.Subject 41 * @see com.sun.security.auth.NTSid 42 */ 43 public class NTSidGroupPrincipal extends NTSid { 44 45 private static final long serialVersionUID = -1373347438636198229L; 46 47 /** 48 * Create an <code>NTSidGroupPrincipal</code> with a Windows NT group name. 49 * 50 * <p> 51 * 52 * @param name the Windows NT group SID for this user. <p> 53 * 54 * @exception NullPointerException if the <code>name</code> 55 * is <code>null</code>. 56 */ 57 public NTSidGroupPrincipal(String name) { 58 super(name); 59 } 60 61 /** 62 * Return a string representation of this <code>NTSidGroupPrincipal</code>. 63 * 64 * <p> 65 * 66 * @return a string representation of this <code>NTSidGroupPrincipal</code>. 67 */ 68 public String toString() { 69 java.text.MessageFormat form = new java.text.MessageFormat 70 (sun.security.util.ResourcesMgr.getString 71 ("NTSidGroupPrincipal.name", 72 "sun.security.util.AuthResources")); 73 Object[] source = {getName()}; 74 return form.format(source); 75 } 76 77 /** 78 * Compares the specified Object with this <code>NTSidGroupPrincipal</code> 79 * for equality. Returns true if the given object is also a 80 * <code>NTSidGroupPrincipal</code> and the two NTSidGroupPrincipals 81 * have the same SID. 82 * 83 * <p> 84 * 85 * @param o Object to be compared for equality with this 86 * <code>NTSidGroupPrincipal</code>. 87 * 88 * @return true if the specified Object is equal equal to this 89 * <code>NTSidGroupPrincipal</code>. 90 */ 91 public boolean equals(Object o) { 92 if (o == null) 93 return false; 94 95 if (this == o) 96 return true; 97 98 if (!(o instanceof NTSidGroupPrincipal)) 99 return false; 100 101 return super.equals(o); 102 } 103 104 }