mcs/class/System.ServiceModel/System.ServiceModel.Channels/HttpChannelFactory.cs

   1 //
   2 // HttpChannelFactory.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2005 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.Collections.Generic;
  30 using System.Net;
  31 using System.Net.Security;
  32 using System.ServiceModel;
  33 using System.ServiceModel.Description;
  34 using System.ServiceModel.Security;
  35 using System.Text;
  36
  37 namespace System.ServiceModel.Channels
  38 {
  39         internal class HttpChannelFactory<TChannel> : ChannelFactoryBase<TChannel>
  40         {
  41                 // not sure if they are required.
  42                 HttpTransportBindingElement source;
  43                 MessageEncoder encoder;
  44
  45                 public HttpChannelFactory (HttpTransportBindingElement source, BindingContext ctx)
  46                 {
  47                         this.source = source;
  48                         foreach (BindingElement be in ctx.RemainingBindingElements) {
  49                                 MessageEncodingBindingElement mbe = be as MessageEncodingBindingElement;
  50                                 if (mbe != null) {
  51                                         encoder = CreateEncoder<TChannel> (mbe);
  52                                         break;
  53                                 }
  54                         }
  55                         if (encoder == null)
  56                                 encoder = new TextMessageEncoder (MessageVersion.Default, Encoding.UTF8);
  57                 }
  58
  59                 public MessageEncoder MessageEncoder {
  60                         get { return encoder; }
  61                 }
  62
  63                 protected override TChannel OnCreateChannel (
  64                         EndpointAddress address, Uri via)
  65                 {
  66                         ThrowIfDisposedOrNotOpen ();
  67
  68                         if (source.Scheme != address.Uri.Scheme)
  69                                 throw new ArgumentException (String.Format ("Argument EndpointAddress has unsupported URI scheme: {0}", address.Uri.Scheme));
  70
  71                         Type t = typeof (TChannel);
  72                         if (t == typeof (IRequestChannel))
  73                                 return (TChannel) (object) new HttpRequestChannel ((HttpChannelFactory<IRequestChannel>) (object) this, address, via);
  74                         else if (t == typeof (IOutputChannel))
  75                                 // FIXME: implement
  76                                 throw new NotImplementedException ();
  77                         throw new InvalidOperationException (String.Format ("channel type {0} is not supported.", typeof (TChannel).Name));
  78                 }
  79
  80                 Action<TimeSpan> open_delegate;
  81
  82                 protected override IAsyncResult OnBeginOpen (TimeSpan timeout,
  83                         AsyncCallback callback, object state)
  84                 {
  85                         if (open_delegate == null)
  86                                 open_delegate = new Action<TimeSpan> (OnOpen);
  87                         return open_delegate.BeginInvoke (timeout, callback, state);
  88                 }
  89
  90                 protected override void OnEndOpen (IAsyncResult result)
  91                 {
  92                         if (open_delegate == null)
  93                                 throw new InvalidOperationException ("Async open operation has not started");
  94                         open_delegate.EndInvoke (result);
  95                 }
  96
  97                 protected override void OnOpen (TimeSpan timeout)
  98                 {
  99                 }
 100         }
 101 }