1 /* |
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2 * Copyright (c) 1996, 1999, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package sun.security.acl; |
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27 |
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28 import java.security.Principal; |
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29 import java.security.acl.*; |
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30 |
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31 /** |
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32 * The PermissionImpl class implements the permission |
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33 * interface for permissions that are strings. |
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34 * @author Satish Dharmaraj |
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35 */ |
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36 public class PermissionImpl implements Permission { |
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37 |
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38 private String permission; |
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39 |
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40 /** |
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41 * Construct a permission object using a string. |
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42 * @param permission the stringified version of the permission. |
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43 */ |
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44 public PermissionImpl(String permission) { |
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45 this.permission = permission; |
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46 } |
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47 |
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48 /** |
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49 * This function returns true if the object passed matches the permission |
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50 * represented in this interface. |
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51 * @param another The Permission object to compare with. |
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52 * @return true if the Permission objects are equal, false otherwise |
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53 */ |
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54 public boolean equals(Object another) { |
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55 if (another instanceof Permission) { |
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56 Permission p = (Permission) another; |
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57 return permission.equals(p.toString()); |
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58 } else { |
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59 return false; |
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60 } |
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61 } |
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62 |
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63 /** |
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64 * Prints a stringified version of the permission. |
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65 * @return the string representation of the Permission. |
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66 */ |
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67 public String toString() { |
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68 return permission; |
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69 } |
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70 |
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71 /** |
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72 * Returns a hashcode for this PermissionImpl. |
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73 * |
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74 * @return a hashcode for this PermissionImpl. |
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75 */ |
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76 public int hashCode() { |
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77 return toString().hashCode(); |
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78 } |
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79 |
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80 } |
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