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

   1 //
   2 // System.Security.Policy.AllMembershipCondition.cs
   3 //
   4 // Author:
   5 //   Ajay kumar Dwivedi (adwiv@yahoo.com)
   6 //
   7
   8 using System;
   9 using System.Security;
  10
  11 namespace System.Security.Policy {
  12
  13         [Serializable]
  14         public sealed class AllMembershipCondition
  15                 : IMembershipCondition, IConstantMembershipCondition, ISecurityEncodable, ISecurityPolicyEncodable
  16         {
  17                 // Tag for Xml Data
  18                 private static readonly string XmlTag = "IMembershipCondition";
  19
  20                 public AllMembershipCondition()
  21                 {}
  22
  23                 //Always returns true
  24                 public bool Check(Evidence evidence)
  25                 {
  26                         return true;
  27                 }
  28
  29                 public IMembershipCondition Copy()
  30                 {
  31                         return new AllMembershipCondition();
  32                 }
  33
  34                 public override bool Equals (object o)
  35                 {
  36                         return (o is System.Security.Policy.AllMembershipCondition);
  37                 }
  38
  39                 public void FromXml(SecurityElement e)
  40                 {
  41                         FromXml(e, null);
  42                 }
  43
  44                 public void FromXml(SecurityElement e, PolicyLevel level)
  45                 {
  46                         if(e == null)
  47                                 throw new ArgumentNullException("e");
  48                         if(e.Tag != XmlTag)
  49                                 throw new ArgumentException("e","The Tag of SecurityElement must be "
  50                                         + AllMembershipCondition.XmlTag);
  51                 }
  52
  53                 public override int GetHashCode()
  54                 {
  55                         return typeof (AllMembershipCondition).GetHashCode ();
  56                 }
  57
  58                 public override string ToString()
  59                 {
  60                         return "All Code";
  61                 }
  62
  63                 public SecurityElement ToXml()
  64                 {
  65                         return ToXml(null);
  66                 }
  67
  68                 public SecurityElement ToXml(PolicyLevel level)
  69                 {
  70                         SecurityElement se = new SecurityElement(XmlTag);
  71                         Type type = this.GetType();
  72                         string classString = type.FullName + ", " + type.Assembly;
  73                         se.AddAttribute("class",classString);
  74                         se.AddAttribute("version","1");
  75                         return se;
  76                 }
  77         }
  78 }