| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1996-1999 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.security.acl; |
| 27 | |
| 28 | import java.security.Principal; |
| 29 | import java.security.acl.*; |
| 30 | |
| 31 | /** |
| 32 | * The PermissionImpl class implements the permission |
| 33 | * interface for permissions that are strings. |
| 34 | * @author Satish Dharmaraj |
| 35 | */ |
| 36 | public class PermissionImpl implements Permission { |
| 37 | |
| 38 | private String permission; |
| 39 | |
| 40 | /** |
| 41 | * Construct a permission object using a string. |
| 42 | * @param permission the stringified version of the permission. |
| 43 | */ |
| 44 | public PermissionImpl(String permission) { |
| 45 | this.permission = permission; |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * This function returns true if the object passed matches the permission |
| 50 | * represented in this interface. |
| 51 | * @param another The Permission object to compare with. |
| 52 | * @return true if the Permission objects are equal, false otherwise |
| 53 | */ |
| 54 | public boolean equals(Object another) { |
| 55 | if (another instanceof Permission) { |
| 56 | Permission p = (Permission) another; |
| 57 | return permission.equals(p.toString()); |
| 58 | } else { |
| 59 | return false; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Prints a stringified version of the permission. |
| 65 | * @return the string representation of the Permission. |
| 66 | */ |
| 67 | public String toString() { |
| 68 | return permission; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Returns a hashcode for this PermissionImpl. |
| 73 | * |
| 74 | * @return a hashcode for this PermissionImpl. |
| 75 | */ |
| 76 | public int hashCode() { |
| 77 | return toString().hashCode(); |
| 78 | } |
| 79 | |
| 80 | } |