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| 1 | +/* | |
| 2 | + * Copyright (c) 2000, 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 | +import java.security.Principal; | |
| 29 | + | |
| 30 | +/** | |
| 31 | + * <p> This class implements the <code>Principal</code> interface | |
| 32 | + * and represents a Unix user. | |
| 33 | + * | |
| 34 | + * <p> Principals such as this <code>UnixPrincipal</code> | |
| 35 | + * may be associated with a particular <code>Subject</code> | |
| 36 | + * to augment that <code>Subject</code> with an additional | |
| 37 | + * identity. Refer to the <code>Subject</code> class for more information | |
| 38 | + * on how to achieve this. Authorization decisions can then be based upon | |
| 39 | + * the Principals associated with a <code>Subject</code>. | |
| 40 | + * | |
| 41 | + * @see java.security.Principal | |
| 42 | + * @see javax.security.auth.Subject | |
| 43 | + */ | |
| 44 | +public class UnixPrincipal implements Principal, java.io.Serializable { | |
| 45 | + | |
| 46 | + private static final long serialVersionUID = -2951667807323493631L; | |
| 47 | + | |
| 48 | + /** | |
| 49 | + * @serial | |
| 50 | + */ | |
| 51 | + private String name; | |
| 52 | + | |
| 53 | + /** | |
| 54 | + * Create a UnixPrincipal with a Unix username. | |
| 55 | + * | |
| 56 | + * <p> | |
| 57 | + * | |
| 58 | + * @param name the Unix username for this user. | |
| 59 | + * | |
| 60 | + * @exception NullPointerException if the <code>name</code> | |
| 61 | + * is <code>null</code>. | |
| 62 | + */ | |
| 63 | + public UnixPrincipal(String name) { | |
| 64 | + if (name == null) { | |
| 65 | + java.text.MessageFormat form = new java.text.MessageFormat | |
| 66 | + (sun.security.util.ResourcesMgr.getString | |
| 67 | + ("invalid.null.input.value", | |
| 68 | + "sun.security.util.AuthResources")); | |
| 69 | + Object[] source = {"name"}; | |
| 70 | + throw new NullPointerException(form.format(source)); | |
| 71 | + } | |
| 72 | + | |
| 73 | + this.name = name; | |
| 74 | + } | |
| 75 | + | |
| 76 | + /** | |
| 77 | + * Return the Unix username for this <code>UnixPrincipal</code>. | |
| 78 | + * | |
| 79 | + * <p> | |
| 80 | + * | |
| 81 | + * @return the Unix username for this <code>UnixPrincipal</code> | |
| 82 | + */ | |
| 83 | + public String getName() { | |
| 84 | + return name; | |
| 85 | + } | |
| 86 | + | |
| 87 | + /** | |
| 88 | + * Return a string representation of this <code>UnixPrincipal</code>. | |
| 89 | + * | |
| 90 | + * <p> | |
| 91 | + * | |
| 92 | + * @return a string representation of this <code>UnixPrincipal</code>. | |
| 93 | + */ | |
| 94 | + public String toString() { | |
| 95 | + java.text.MessageFormat form = new java.text.MessageFormat | |
| 96 | + (sun.security.util.ResourcesMgr.getString | |
| 97 | + ("UnixPrincipal.name", | |
| 98 | + "sun.security.util.AuthResources")); | |
| 99 | + Object[] source = {name}; | |
| 100 | + return form.format(source); | |
| 101 | + } | |
| 102 | + | |
| 103 | + /** | |
| 104 | + * Compares the specified Object with this <code>UnixPrincipal</code> | |
| 105 | + * for equality. Returns true if the given object is also a | |
| 106 | + * <code>UnixPrincipal</code> and the two UnixPrincipals | |
| 107 | + * have the same username. | |
| 108 | + * | |
| 109 | + * <p> | |
| 110 | + * | |
| 111 | + * @param o Object to be compared for equality with this | |
| 112 | + * <code>UnixPrincipal</code>. | |
| 113 | + * | |
| 114 | + * @return true if the specified Object is equal equal to this | |
| 115 | + * <code>UnixPrincipal</code>. | |
| 116 | + */ | |
| 117 | + public boolean equals(Object o) { | |
| 118 | + if (o == null) | |
| 119 | + return false; | |
| 120 | + | |
| 121 | + if (this == o) | |
| 122 | + return true; | |
| 123 | + | |
| 124 | + if (!(o instanceof UnixPrincipal)) | |
| 125 | + return false; | |
| 126 | + UnixPrincipal that = (UnixPrincipal)o; | |
| 127 | + | |
| 128 | + if (this.getName().equals(that.getName())) | |
| 129 | + return true; | |
| 130 | + return false; | |
| 131 | + } | |
| 132 | + | |
| 133 | + /** | |
| 134 | + * Return a hash code for this <code>UnixPrincipal</code>. | |
| 135 | + * | |
| 136 | + * <p> | |
| 137 | + * | |
| 138 | + * @return a hash code for this <code>UnixPrincipal</code>. | |
| 139 | + */ | |
| 140 | + public int hashCode() { | |
| 141 | + return name.hashCode(); | |
| 142 | + } | |
| 143 | +} | |