mcs/class/System.Data/System.Data.Common/DbDataPermissionAttribute.cs

   1 //
   2 // System.Data.Common.DbDataPermissionAttribute.cs
   3 //
   4 // Authors:
   5 //      Rodrigo Moya (rodrigo@ximian.com)
   6 //      Tim Coleman (tim@timcoleman.com)
   7 //      Sebastien Pouliot  <sebastien@ximian.com>
   8 //
   9 // (C) Ximian, Inc
  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.Security.Permissions;
  35 using System.Globalization;
  36
  37 namespace System.Data.Common {
  38
  39         [AttributeUsage (AttributeTargets.Assembly | AttributeTargets.Class |
  40                          AttributeTargets.Struct | AttributeTargets.Constructor |
  41                          AttributeTargets.Method, AllowMultiple=true, Inherited=false)]
  42         [Serializable]
  43         public abstract class DBDataPermissionAttribute : CodeAccessSecurityAttribute {
  44                 #region Fields
  45
  46                 bool allowBlankPassword;
  47                 string keyRestrictions;
  48                 KeyRestrictionBehavior keyRestrictionBehavior;
  49                 string connectionString;
  50
  51                 #endregion // Fields
  52
  53                 #region Constructors
  54
  55                 protected DBDataPermissionAttribute (SecurityAction action)
  56                         : base (action)
  57                 {
  58                 }
  59
  60                 #endregion // Constructors
  61
  62                 #region Properties
  63
  64                 public bool AllowBlankPassword {
  65                         get { return allowBlankPassword; }
  66                         set { allowBlankPassword = value; }
  67                 }
  68
  69                 public string KeyRestrictions {
  70                         get {
  71                                 if (keyRestrictions == null)
  72                                         return String.Empty;
  73                                 return keyRestrictions;
  74                         }
  75                         set { keyRestrictions = value; }
  76                 }
  77
  78                 public string ConnectionString {
  79                         get {
  80                                 if (connectionString == null)
  81                                         return String.Empty;
  82                                 return connectionString;
  83                         }
  84                         set { connectionString = value; }
  85                 }
  86
  87                 public KeyRestrictionBehavior KeyRestrictionBehavior {
  88                         get { return keyRestrictionBehavior; }
  89                         set {
  90                                 ExceptionHelper.CheckEnumValue (typeof (KeyRestrictionBehavior), value);
  91                                 keyRestrictionBehavior = value;
  92                         }
  93                 }
  94
  95                 #endregion // Properties
  96
  97                 #region // Methods
  98                 [EditorBrowsableAttribute (EditorBrowsableState.Never)]
  99                 public bool ShouldSerializeConnectionString ()
 100                 {
 101                         // FIXME: configurable ? why is this in the attribute class ?
 102                         return false;
 103                 }
 104
 105                 [EditorBrowsableAttribute (EditorBrowsableState.Never)]
 106                 public bool ShouldSerializeKeyRestrictions ()
 107                 {
 108                         // FIXME: configurable ? why is this in the attribute class ?
 109                         return false;
 110                 }
 111                 #endregion // Methods
 112         }
 113 }