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
  36 namespace System.Data.Common {
  37
  38         [AttributeUsage (AttributeTargets.Assembly | AttributeTargets.Class |
  39                          AttributeTargets.Struct | AttributeTargets.Constructor |
  40                          AttributeTargets.Method, AllowMultiple=true, Inherited=false)]
  41         [Serializable]
  42         public abstract class DBDataPermissionAttribute : CodeAccessSecurityAttribute {
  43                 #region Fields
  44
  45                 bool allowBlankPassword;
  46                 string keyRestrictions;
  47 #if NET_1_1
  48                 KeyRestrictionBehavior keyRestrictionBehavior;
  49                 string connectionString;
  50 #endif
  51
  52                 #endregion // Fields
  53
  54                 #region Constructors
  55
  56                 protected DBDataPermissionAttribute (SecurityAction action)
  57                         : base (action)
  58                 {
  59                 }
  60
  61                 #endregion // Constructors
  62
  63                 #region Properties
  64
  65                 public bool AllowBlankPassword {
  66                         get { return allowBlankPassword; }
  67                         set { allowBlankPassword = value; }
  68                 }
  69
  70                 public string KeyRestrictions {
  71                         get {
  72                                 if (keyRestrictions == null)
  73                                         return String.Empty;
  74                                 return keyRestrictions;
  75                         }
  76                         set { keyRestrictions = value; }
  77                 }
  78
  79 #if NET_1_1
  80                 public string ConnectionString {
  81                         get {
  82                                 if (connectionString == null)
  83                                         return String.Empty;
  84                                 return connectionString;
  85                         }
  86                         set { connectionString = value; }
  87                 }
  88
  89                 public KeyRestrictionBehavior KeyRestrictionBehavior {
  90                         get { return keyRestrictionBehavior; }
  91                         set {
  92                                 if (!Enum.IsDefined (typeof (KeyRestrictionBehavior), value)) {
  93                                         string msg = Locale.GetText ("Unknown value.");
  94                                         throw new ArgumentOutOfRangeException ("KeyRestrictionBehavior", value, msg);
  95                                 }
  96                                 keyRestrictionBehavior = value;
  97                         }
  98                 }
  99 #endif
 100
 101                 #endregion // Properties
 102
 103                 #region // Methods
 104 #if NET_2_0
 105                 [MonoTODO ("configurable ? why is this in the attribute class ?")]
 106                 [EditorBrowsableAttribute (EditorBrowsableState.Never)]
 107                 public bool ShouldSerializeConnectionString ()
 108                 {
 109                         return false;
 110                 }
 111
 112                 [MonoTODO ("configurable ? why is this in the attribute class ?")]
 113                 [EditorBrowsableAttribute (EditorBrowsableState.Never)]
 114                 public bool ShouldSerializeKeyRestrictions ()
 115                 {
 116                         return false;
 117                 }
 118 #endif
 119                 #endregion // Methods
 120         }
 121 }