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         [ComVisible (true)]
  36         public sealed class AllMembershipCondition : IMembershipCondition, IConstantMembershipCondition {
  37
  38                 private readonly int version = 1;
  39
  40                 public AllMembershipCondition ()
  41                 {
  42                 }
  43
  44                 // Always returns true
  45                 public bool Check (Evidence evidence)
  46                 {
  47                         return true;
  48                 }
  49
  50                 public IMembershipCondition Copy ()
  51                 {
  52                         return new AllMembershipCondition ();
  53                 }
  54
  55                 public override bool Equals (object o)
  56                 {
  57                         return (o is AllMembershipCondition);
  58                 }
  59
  60                 public void FromXml (SecurityElement e)
  61                 {
  62                         FromXml (e, null);
  63                 }
  64
  65                 public void FromXml (SecurityElement e, PolicyLevel level)
  66                 {
  67                         MembershipConditionHelper.CheckSecurityElement (e, "e", version, version);
  68                 }
  69
  70                 public override int GetHashCode ()
  71                 {
  72                         return typeof (AllMembershipCondition).GetHashCode ();
  73                 }
  74
  75                 public override string ToString ()
  76                 {
  77                         return "All code";
  78                 }
  79
  80                 public SecurityElement ToXml ()
  81                 {
  82                         return ToXml (null);
  83                 }
  84
  85                 public SecurityElement ToXml (PolicyLevel level)
  86                 {
  87                         SecurityElement se = MembershipConditionHelper.Element (typeof (AllMembershipCondition), version);
  88                         // nothing to add
  89                         return se;
  90                 }
  91         }
  92 }