/* * 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; import java.security.Principal;import sun.security.x509.X500Name; /** * <p> This class represents an X.500 <code>Principal</code>. * X500Principals have names such as, * "CN=Duke, OU=JavaSoft, O=Sun Microsystems, C=US" * (RFC 1779 style). * * <p> Principals such as this <code>X500Principal</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 * @deprecated A new X500Principal class is available in the Java platform. *             This X500Principal classs is entirely deprecated and *             is here to allow for a smooth transition to the new *             class. * @see javax.security.auth.x500.X500Principal*/@Deprecatedpublic class X500Principal implements Principal, java.io.Serializable {     private static final long serialVersionUID = -8222422609431628648L;     private static final java.util.ResourceBundle rb =        java.security.AccessController.doPrivileged        (new java.security.PrivilegedAction<java.util.ResourceBundle>() {              public java.util.ResourceBundle run() {                  return (java.util.ResourceBundle.getBundle                                ("sun.security.util.AuthResources"));              }        });     /**     * @serial     */    private String name;     transient private X500Name thisX500Name;     /**     * Create a X500Principal with an X.500 Name,     * such as "CN=Duke, OU=JavaSoft, O=Sun Microsystems, C=US"     * (RFC 1779 style).     *     * <p>     *     * @param name the X.500 name     *     * @exception NullPointerException if the <code>name</code>     *                  is <code>null</code>. <p>     *     * @exception IllegalArgumentException if the <code>name</code>     *                  is improperly specified.     */    public X500Principal(String name) {        if (name == null)            throw new NullPointerException(rb.getString("provided.null.name"));         try {            thisX500Name = new X500Name(name);        } catch (Exception e) {            throw new IllegalArgumentException(e.toString());        }         this.name = name;    }     /**     * Return the Unix username for this <code>X500Principal</code>.     *     * <p>     *     * @return the Unix username for this <code>X500Principal</code>     */    public String getName() {        return thisX500Name.getName();    }     /**     * Return a string representation of this <code>X500Principal</code>.     *     * <p>     *     * @return a string representation of this <code>X500Principal</code>.     */    public String toString() {        return thisX500Name.toString();    }     /**     * Compares the specified Object with this <code>X500Principal</code>     * for equality.     *     * <p>     *     * @param o Object to be compared for equality with this     *          <code>X500Principal</code>.     *     * @return true if the specified Object is equal equal to this     *          <code>X500Principal</code>.     */    public boolean equals(Object o) {        if (o == null)            return false;         if (this == o)            return true;         if (o instanceof X500Principal) {            X500Principal that = (X500Principal)o;            try {                X500Name thatX500Name = new X500Name(that.getName());                return thisX500Name.equals(thatX500Name);            } catch (Exception e) {                // any parsing exceptions, return false                return false;            }        } else if (o instanceof Principal) {            // this will return 'true' if 'o' is a sun.security.x509.X500Name            // and the X500Names are equal            return o.equals(thisX500Name);        }         return false;    }     /**     * Return a hash code for this <code>X500Principal</code>.     *     * <p>     *     * @return a hash code for this <code>X500Principal</code>.     */    public int hashCode() {        return thisX500Name.hashCode();    }     /**     * Reads this object from a stream (i.e., deserializes it)     */    private void readObject(java.io.ObjectInputStream s) throws                                        java.io.IOException,                                        java.io.NotActiveException,                                        ClassNotFoundException {         s.defaultReadObject();         // re-create thisX500Name        thisX500Name = new X500Name(name);    }}