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 #if NET_1_1
  49                 KeyRestrictionBehavior keyRestrictionBehavior;
  50                 string connectionString;
  51 #endif
  52
  53                 #endregion // Fields
  54
  55                 #region Constructors
  56
  57                 protected DBDataPermissionAttribute (SecurityAction action)
  58                         : base (action)
  59                 {
  60                 }
  61
  62                 #endregion // Constructors
  63
  64                 #region Properties
  65
  66                 public bool AllowBlankPassword {
  67                         get { return allowBlankPassword; }
  68                         set { allowBlankPassword = value; }
  69                 }
  70
  71                 public string KeyRestrictions {
  72                         get {
  73                                 if (keyRestrictions == null)
  74                                         return String.Empty;
  75                                 return keyRestrictions;
  76                         }
  77                         set { keyRestrictions = value; }
  78                 }
  79
  80 #if NET_1_1
  81                 public string ConnectionString {
  82                         get {
  83                                 if (connectionString == null)
  84                                         return String.Empty;
  85                                 return connectionString;
  86                         }
  87                         set { connectionString = value; }
  88                 }
  89
  90                 public KeyRestrictionBehavior KeyRestrictionBehavior {
  91                         get { return keyRestrictionBehavior; }
  92                         set {
  93                                 ExceptionHelper.CheckEnumValue (typeof (KeyRestrictionBehavior), value);
  94                                 keyRestrictionBehavior = value;
  95                         }
  96                 }
  97 #endif
  98
  99                 #endregion // Properties
 100
 101                 #region // Methods
 102 #if NET_2_0
 103                 [EditorBrowsableAttribute (EditorBrowsableState.Never)]
 104                 public bool ShouldSerializeConnectionString ()
 105                 {
 106                         // FIXME: configurable ? why is this in the attribute class ?
 107                         return false;
 108                 }
 109
 110                 [EditorBrowsableAttribute (EditorBrowsableState.Never)]
 111                 public bool ShouldSerializeKeyRestrictions ()
 112                 {
 113                         // FIXME: configurable ? why is this in the attribute class ?
 114                         return false;
 115                 }
 116 #endif
 117                 #endregion // Methods
 118         }
 119 }