/* * Copyright (c) 1996, 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 sun.security.acl; import java.security.*; /** * This class implements the principal interface. * * @author      Satish Dharmaraj */public class PrincipalImpl implements Principal {     private String user;     /**     * Construct a principal from a string user name.     * @param user The string form of the principal name.     */    public PrincipalImpl(String user) {        this.user = user;    }     /**     * This function returns true if the object passed matches     * the principal represented in this implementation     * @param another the Principal to compare with.     * @return true if the Principal passed is the same as that     * encapsulated in this object, false otherwise     */    public boolean equals(Object another) {        if (another instanceof PrincipalImpl) {            PrincipalImpl p = (PrincipalImpl) another;            return user.equals(p.toString());        } else          return false;    }     /**     * Prints a stringified version of the principal.     */    public String toString() {        return user;    }     /**     * return a hashcode for the principal.     */    public int hashCode() {        return user.hashCode();    }     /**     * return the name of the principal.     */    public String getName() {        return user;    } }