mcs/class/corlib/System.Security.Policy/AllMembershipCondition.cs

   1 //
   2 // System.Security.Policy.AllMembershipCondition.cs
   3 //
   4 // Authors:
   5 //      Ajay kumar Dwivedi (adwiv@yahoo.com)
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System.Runtime.InteropServices;
  31
  32 namespace System.Security.Policy {
  33
  34         [Serializable]
  35 #if NET_2_0
  36         [ComVisible (true)]
  37 #endif
  38         public sealed class AllMembershipCondition : IMembershipCondition, IConstantMembershipCondition {
  39
  40                 private readonly int version = 1;
  41
  42                 public AllMembershipCondition ()
  43                 {
  44                 }
  45
  46                 // Always returns true
  47                 public bool Check (Evidence evidence)
  48                 {
  49                         return true;
  50                 }
  51
  52                 public IMembershipCondition Copy ()
  53                 {
  54                         return new AllMembershipCondition ();
  55                 }
  56
  57                 public override bool Equals (object o)
  58                 {
  59                         return (o is AllMembershipCondition);
  60                 }
  61
  62                 public void FromXml (SecurityElement e)
  63                 {
  64                         FromXml (e, null);
  65                 }
  66
  67                 public void FromXml (SecurityElement e, PolicyLevel level)
  68                 {
  69                         MembershipConditionHelper.CheckSecurityElement (e, "e", version, version);
  70                 }
  71
  72                 public override int GetHashCode ()
  73                 {
  74                         return typeof (AllMembershipCondition).GetHashCode ();
  75                 }
  76
  77                 public override string ToString ()
  78                 {
  79                         return "All code";
  80                 }
  81
  82                 public SecurityElement ToXml ()
  83                 {
  84                         return ToXml (null);
  85                 }
  86
  87                 public SecurityElement ToXml (PolicyLevel level)
  88                 {
  89                         SecurityElement se = MembershipConditionHelper.Element (typeof (AllMembershipCondition), version);
  90                         // nothing to add
  91                         return se;
  92                 }
  93         }
  94 }