mcs/class/System/System.Net/GlobalProxySelection.cs

   1 //\r
   2 // System.Net.GlobalProxySelection\r
   3 //\r
   4 // Author:\r
   5 //   Lawrence Pit (loz@cable.a2000.nl)\r
   6 //\r
   7 \r
   8 using System;\r
   9 using System.Collections;\r
  10 using System.IO;\r
  11 using System.Runtime.Serialization;\r
  12 \r
  13 namespace System.Net \r
  14 {\r
  15         public class GlobalProxySelection\r
  16         {\r
  17                 private static IWebProxy proxy;\r
  18                 \r
  19                 // Static Initializer\r
  20                 \r
  21                 static GlobalProxySelection ()\r
  22                 {\r
  23                         proxy = GetEmptyWebProxy ();\r
  24                         \r
  25                         // TODO: create proxy object based on information from\r
  26                         //       the global or application configuration file.\r
  27                 }\r
  28                 \r
  29                 // Constructors\r
  30                 \r
  31                 public GlobalProxySelection() { }\r
  32                 \r
  33                 // Properties\r
  34                 \r
  35                 public static IWebProxy Select {\r
  36                         get { return proxy; }\r
  37                         set { \r
  38                                 proxy = (value == null) ? GetEmptyWebProxy () : value; \r
  39                         }\r
  40                 }\r
  41                 \r
  42                 // Methods\r
  43                 \r
  44                 public static IWebProxy GetEmptyWebProxy()\r
  45                 {\r
  46                         // must return a new one each time, as the credentials\r
  47                         // can be set\r
  48                         return new EmptyWebProxy ();    \r
  49                 }\r
  50                 \r
  51                 // Internal Classes\r
  52                 \r
  53                 internal class EmptyWebProxy : IWebProxy {\r
  54                         private ICredentials credentials = null;\r
  55                         \r
  56                         internal EmptyWebProxy () { }\r
  57                         \r
  58                         public ICredentials Credentials {\r
  59                                 get { return credentials; } \r
  60                                 set { credentials = value; }\r
  61                         }\r
  62 \r
  63                         public Uri GetProxy (Uri destination)\r
  64                         {\r
  65                                 return destination;\r
  66                         }\r
  67 \r
  68                         public bool IsBypassed (Uri host)\r
  69                         {\r
  70                                 return true; // pass directly to host\r
  71                         }\r
  72                 }\r
  73         }               \r
  74 }