mcs/class/referencesource/System.Xml/System/Xml/XmlNullResolver.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="XmlNullResolver.cs" company="Microsoft">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 // <owner current="true" primary="true">[....]</owner>
   6 //------------------------------------------------------------------------------
   7
   8 #if !SILVERLIGHT
   9 using System.Net;
  10 #endif
  11
  12 namespace System.Xml {
  13     internal class XmlNullResolver : XmlResolver {
  14         public static readonly XmlNullResolver Singleton = new XmlNullResolver();
  15
  16         // Private constructor ensures existing only one instance of XmlNullResolver
  17         private XmlNullResolver() { }
  18
  19         public override Object GetEntity(Uri absoluteUri, string role, Type ofObjectToReturn) {
  20             throw new XmlException(Res.Xml_NullResolver, string.Empty);
  21         }
  22
  23 #if !SILVERLIGHT
  24         public override ICredentials Credentials {
  25             set { /* Do nothing */ }
  26         }
  27 #endif
  28     }
  29 }