AccessRights.java
01 /*
02  *  Licensed to the Apache Software Foundation (ASF) under one
03  *  or more contributor license agreements.  See the NOTICE file
04  *  distributed with this work for additional information
05  *  regarding copyright ownership.  The ASF licenses this file
06  *  to you under the Apache License, Version 2.0 (the
07  *  "License"); you may not use this file except in compliance
08  *  with the License.  You may obtain a copy of the License at
09  *
10  *    http://www.apache.org/licenses/LICENSE-2.0
11  *
12  *  Unless required by applicable law or agreed to in writing,
13  *  software distributed under the License is distributed on an
14  *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15  *  KIND, either express or implied.  See the License for the
16  *  specific language governing permissions and limitations
17  *  under the License.    
18  *
19  
20  */
21 package org.apache.qpid.server.security.access;
22 
23 public class AccessRights
24 {
25     public enum Rights
26     {
27         ANY,
28         READ,
29         WRITE,
30         READWRITE
31     }
32 
33     Rights _right;
34 
35     public AccessRights(Rights right)
36     {
37         _right = right;
38     }
39 
40     public boolean allows(Rights rights)
41     {
42         switch (_right)
43         {
44             case ANY:
45                 return (rights.equals(Rights.WRITE)
46                         || rights.equals(Rights.READ)
47                         || rights.equals(Rights.READWRITE)
48                         || rights.equals(Rights.ANY));
49             case READ:
50                 return rights.equals(Rights.READ|| rights.equals(Rights.ANY);
51             case WRITE:
52                 return rights.equals(Rights.WRITE|| rights.equals(Rights.ANY);
53             case READWRITE:
54                 return true;
55         }
56         return false;
57     }
58 
59     public Rights getRights()
60     {
61         return _right;
62     }
63 }