2 // System.Security.Policy.IdentityReference.cs
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Globalization;
31 using System.Runtime.InteropServices;
33 namespace System.Security.Principal {
36 public abstract class IdentityReference {
38 // yep, this means it cannot be inherited outside corlib
39 // not sure if this is "by design" reported as FDBK30180
40 internal IdentityReference ()
45 public abstract string Value {
50 public abstract override bool Equals (object o);
52 public abstract override int GetHashCode ();
54 public abstract bool IsValidTargetType (Type targetType);
56 public abstract override string ToString ();
58 public abstract IdentityReference Translate (Type targetType);
61 public static bool operator== (IdentityReference left, IdentityReference right)
63 if (((object)left) == null)
64 return (((object)right) == null);
65 if (((object)right) == null)
67 return (left.Value == right.Value);
70 public static bool operator!= (IdentityReference left, IdentityReference right)
72 if (((object)left) == null)
73 return (((object)right) != null);
74 if (((object)right) == null)
76 return (left.Value != right.Value);