1 /*

     2  * Copyright (c) 1996, 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 sun.security.acl;

    27 

    28 import java.security.*;

    29 

    30 /**

    31  * This class implements the principal interface.

    32  *

    33  * @author      Satish Dharmaraj

    34  */

    35 public class PrincipalImpl implements Principal {

    36 

    37     private String user;

    38 

    39     /**

    40      * Construct a principal from a string user name.

    41      * @param user The string form of the principal name.

    42      */

    43     public PrincipalImpl(String user) {

    44         this.user = user;

    45     }

    46 

    47     /**

    48      * This function returns true if the object passed matches

    49      * the principal represented in this implementation

    50      * @param another the Principal to compare with.

    51      * @return true if the Principal passed is the same as that

    52      * encapsulated in this object, false otherwise

    53      */

    54     public boolean equals(Object another) {

    55         if (another instanceof PrincipalImpl) {

    56             PrincipalImpl p = (PrincipalImpl) another;

    57             return user.equals(p.toString());

    58         } else

    59           return false;

    60     }

    61 

    62     /**

    63      * Prints a stringified version of the principal.

    64      */

    65     public String toString() {

    66         return user;

    67     }

    68 

    69     /**

    70      * return a hashcode for the principal.

    71      */

    72     public int hashCode() {

    73         return user.hashCode();

    74     }

    75 

    76     /**

    77      * return the name of the principal.

    78      */

    79     public String getName() {

    80         return user;

    81     }

    82 

    83 }