mcs/class/System.ServiceModel/System.ServiceModel.Dispatcher/MexInstanceContextProvider.cs

   1 //
   2 // MexInstanceContextProvider.cs
   3 //
   4 // Author:
   5 //      Ankit Jain <jankit@novell.com>
   6 //
   7 // Copyright (C) 2006 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28 using System;
  29 using System.ServiceModel.Description;
  30 using System.ServiceModel.Channels;
  31 using System.Xml;
  32 using System.IO;
  33
  34 namespace System.ServiceModel.Dispatcher
  35 {
  36         internal class MexInstanceContextProvider : IInstanceContextProvider
  37         {
  38                 InstanceContext ctx;
  39
  40                 public MexInstanceContextProvider (ServiceHostBase service_host)
  41                 {
  42                         foreach (IServiceBehavior beh in service_host.Description.Behaviors) {
  43                                 ServiceMetadataBehavior mex_beh = beh as ServiceMetadataBehavior;
  44                                 if (mex_beh == null)
  45                                         continue;
  46
  47                                 MetadataExchange mex_instance = new MetadataExchange (mex_beh);
  48                                 ctx = new InstanceContext (mex_instance);
  49                                 break;
  50                         }
  51                         //if (ctx == null)
  52                 }
  53
  54                 public InstanceContext GetExistingInstanceContext (Message message, IContextChannel channel)
  55                 {
  56                         if (message.Headers.Action != "http://schemas.xmlsoap.org/ws/2004/09/transfer/Get")
  57                                 return null;
  58
  59                         return ctx;
  60                 }
  61
  62                 public void InitializeInstanceContext (InstanceContext instanceContext, Message message, IContextChannel channel)
  63                 {
  64                 }
  65
  66                 public bool IsIdle (InstanceContext instanceContext)
  67                 {
  68                         throw new NotImplementedException ();
  69                 }
  70
  71                 public void NotifyIdle (InstanceContextIdleCallback callback, InstanceContext instanceContext)
  72                 {
  73                         throw new NotImplementedException ();
  74                 }
  75         }
  76
  77         class MetadataExchange : IMetadataExchange
  78         {
  79                 ServiceMetadataBehavior beh;
  80
  81                 public MetadataExchange (ServiceMetadataBehavior beh)
  82                 {
  83                         this.beh = beh;
  84                 }
  85
  86                 public Message Get (Message request)
  87                 {
  88                         UniqueId id = request.Headers.MessageId;
  89
  90                         MemoryStream ms = new MemoryStream ();
  91                         XmlWriterSettings xws = new XmlWriterSettings ();
  92                         xws.OmitXmlDeclaration = true;
  93
  94                         using (XmlWriter xw = XmlWriter.Create (ms, xws))
  95                                 beh.MetadataExporter.GetGeneratedMetadata ().WriteTo (xw);
  96
  97                         ms.Seek (0, SeekOrigin.Begin);
  98                         XmlReader xr = XmlReader.Create (ms);
  99
 100                         Message ret = Message.CreateMessage (request.Version,
 101                                 "http://schemas.xmlsoap.org/ws/2004/09/transfer/GetResponse",
 102                                 xr);
 103                         ret.Headers.RelatesTo = id;
 104
 105                         return ret;
 106                 }
 107
 108                 public IAsyncResult BeginGet (Message request, AsyncCallback cb, object state)
 109                 {
 110                         throw new NotImplementedException ();
 111                 }
 112
 113                 public Message EndGet (IAsyncResult result)
 114                 {
 115                         throw new NotImplementedException ();
 116                 }
 117         }
 118 }