class/System.Configuration/System.Configuration.Provider/ProviderBase.cs

   1 //
   2 // System.Configuration.Provider.ProviderBase
   3 //
   4 // Authors:
   5 //      Lluis Sanchez Gual (lluis@novell.com)
   6 //
   7 // (C) 2004 Novell, Inc (http://www.novell.com)
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 #if NET_2_0
  32
  33 using System.Collections.Specialized;
  34
  35 namespace System.Configuration.Provider
  36 {
  37         public abstract class ProviderBase
  38         {
  39                 bool alreadyInitialized;
  40
  41                 protected ProviderBase ()
  42                 {
  43                 }
  44
  45                 public virtual void Initialize (string name, NameValueCollection config)
  46                 {
  47                         if (name == null)
  48                                 throw new ArgumentNullException ("name");
  49                         if (name.Length == 0)
  50                                 throw new ArgumentException ("Provider name cannot be null or empty.", "name");
  51                         if (alreadyInitialized)
  52                                 throw new InvalidOperationException ("This provider instance has already been initialized.");
  53                         alreadyInitialized = true;
  54
  55                         _name = name;
  56
  57                         if (config != null) {
  58                                 _description = config ["description"];
  59                                 config.Remove ("description");
  60                         }
  61                         if (String.IsNullOrEmpty (_description))
  62                                 _description = _name;
  63                 }
  64
  65                 public virtual string Name {
  66                         get { return _name; }
  67                 }
  68
  69                 public virtual string Description {
  70                         get { return _description; }
  71                 }
  72
  73                 string _description;
  74                 string _name;
  75         }
  76 }
  77
  78 #endif