mcs/class/System.Web/System.Web/SiteMapProviderCollection.cs

   1 //
   2 // System.Web.SiteMapProviderCollection
   3 //
   4 // Authors:
   5 //      Ben Maurer (bmaurer@users.sourceforge.net)
   6 //
   7 // (C) 2003 Ben Maurer
   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 using System.Collections;
  33 using System.Collections.Specialized;
  34 using System.Text;
  35 using System.Configuration.Provider;
  36 using System.Web.UI;
  37
  38 namespace System.Web {
  39         public class SiteMapProviderCollection : ProviderCollection
  40         {
  41                 public SiteMapProviderCollection () {}
  42
  43                 public override void Add (IProvider provider)
  44                 {
  45                         if (provider == null)
  46                                 throw new ArgumentNullException ("provider");
  47                         if ((provider as ISiteMapProvider) == null)
  48                                 throw new InvalidOperationException(String.Format ("{0} must implement {1} to act as a site map provider", provider.GetType (), typeof (ISiteMapProvider)));
  49
  50                         base.Add (provider);
  51                 }
  52
  53                 public virtual void AddArray (IProvider[] providerArray)
  54                 {
  55                         foreach (IProvider p in providerArray) {
  56                                 if (this [p.Name] != null)
  57                                         throw new ArgumentException ("Duplicate site map providers");
  58                                 Add (p);
  59                         }
  60                 }
  61
  62                 public ISiteMapProvider this [string name] { get { return (ISiteMapProvider) base [name]; } }
  63         }
  64 }
  65 #endif
  66