mcs/class/System.Data/System.Data.OleDb/OleDbPermissionAttribute.cs

   1 //
   2 // System.Data.OleDb.OleDbPermissionAttribute
   3 //
   4 // Authors:
   5 //      Rodrigo Moya (rodrigo@ximian.com)
   6 //      Tim Coleman (tim@timcoleman.com)
   7 //      Sebastien Pouliot  <sebastien@ximian.com>
   8 //
   9 // Copyright (C) Rodrigo Moya, 2002
  10 // Copyright (C) Tim Coleman, 2002
  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.ComponentModel;
  34 using System.Data.Common;
  35 using System.Security;
  36 using System.Security.Permissions;
  37
  38 namespace System.Data.OleDb {
  39
  40         [AttributeUsage(AttributeTargets.Assembly | AttributeTargets.Class |
  41                         AttributeTargets.Struct | AttributeTargets.Constructor |
  42                         AttributeTargets.Method, AllowMultiple=true,
  43                         Inherited=false)]
  44         [Serializable]
  45         public sealed class OleDbPermissionAttribute : DBDataPermissionAttribute {
  46
  47                 #region Fields
  48
  49                 private string _provider;
  50
  51                 #endregion // Fields
  52
  53                 #region Constructors
  54
  55                 public OleDbPermissionAttribute (SecurityAction action)
  56                         : base (action)
  57                 {
  58                 }
  59
  60                 #endregion
  61
  62                 #region Properties
  63
  64 #if NET_2_0
  65                 [Obsolete ()]
  66                 [EditorBrowsableAttribute (EditorBrowsableState.Never)]
  67 #endif
  68                 public string Provider {
  69                         get {
  70                                 if (_provider == null)
  71                                         return String.Empty;
  72                                 return _provider;
  73                         }
  74                         set { _provider = value; }
  75                 }
  76
  77                 #endregion
  78
  79                 #region Methods
  80
  81                 public override IPermission CreatePermission ()
  82                 {
  83                         OleDbPermission p = new OleDbPermission (this);
  84 #if !NET_2_0
  85                         p.Provider = _provider;
  86 #endif
  87                         return p;
  88                 }
  89
  90                 #endregion
  91         }
  92 }