2005-01-31 Zoltan Varga <vargaz@freemail.hu>
[mono.git] / mcs / class / System / System.Diagnostics / EventLogPermission.cs
1 //
2 // System.Diagnostics.EventLogPermission.cs
3 //
4 // Authors:
5 //      Jonathan Pryor (jonpryor@vt.edu)
6 //      Andreas Nahr (ClassDevelopment@A-SoftTech.com)
7 //      Sebastien Pouliot  <sebastien@ximian.com>
8 //
9 // (C) 2002 Jonathan Pryor
10 // (C) 2003 Andreas Nahr
11 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
12 //
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
20 // 
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
23 // 
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 //
32
33 using System.Security.Permissions;
34
35 namespace System.Diagnostics {
36
37         [Serializable]
38         public sealed class EventLogPermission : ResourcePermissionBase {
39
40                 EventLogPermissionEntryCollection innerCollection;
41
42                 public EventLogPermission ()
43                 {
44                         SetUp ();
45                 }
46
47                 public EventLogPermission (EventLogPermissionEntry[] permissionAccessEntries)
48                 {
49                         if (permissionAccessEntries == null)
50                                 throw new ArgumentNullException ("permissionAccessEntries");
51
52                         SetUp ();
53                         innerCollection = new EventLogPermissionEntryCollection (this);
54                         innerCollection.AddRange (permissionAccessEntries);
55                 }
56
57                 public EventLogPermission (PermissionState state)
58                         : base (state)
59                 {
60                         SetUp ();
61                 }
62
63                 public EventLogPermission (EventLogPermissionAccess permissionAccess, string machineName)
64                 {
65                         SetUp ();
66                         innerCollection = new EventLogPermissionEntryCollection (this);
67                         innerCollection.Add (new EventLogPermissionEntry (permissionAccess, machineName));
68                 }
69
70                 public EventLogPermissionEntryCollection PermissionEntries {
71                         get {
72                                 if (innerCollection == null) {
73                                         // must be here to work with XML deserialization
74                                         innerCollection = new EventLogPermissionEntryCollection (this);
75                                 }
76                                 return innerCollection;
77                         }
78                 }
79
80                 // private stuff
81
82                 private void SetUp () 
83                 {
84                         TagNames = new string [1] { "Machine" };
85                         PermissionAccessType = typeof (EventLogPermissionAccess);
86                 }
87
88                 internal ResourcePermissionBaseEntry[] GetEntries ()
89                 {
90                         return base.GetPermissionEntries ();
91                 }
92
93                 internal void ClearEntries ()
94                 {
95                         base.Clear ();
96                 }
97
98                 internal void Add (object obj) 
99                 {
100                         EventLogPermissionEntry elpe = (obj as EventLogPermissionEntry);
101                         base.AddPermissionAccess (elpe.CreateResourcePermissionBaseEntry ());
102                 }
103
104                 internal void Remove (object obj) 
105                 {
106                         EventLogPermissionEntry elpe = (obj as EventLogPermissionEntry);
107                         base.RemovePermissionAccess (elpe.CreateResourcePermissionBaseEntry ());
108                 }
109         }
110 }