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> : TransportChannelFactoryBase<TChannel>
  40         {
  41 #if NET_2_1
  42                 IHttpCookieContainerManager cookie_manager;
  43 #endif
  44
  45                 public HttpChannelFactory (HttpTransportBindingElement source, BindingContext ctx)
  46                         : base (source, ctx)
  47                 {
  48                         ClientCredentials = ctx.BindingParameters.Find<ClientCredentials> ();
  49                         foreach (BindingElement be in ctx.Binding.Elements) {
  50                                 MessageEncodingBindingElement mbe = be as MessageEncodingBindingElement;
  51                                 if (mbe != null) {
  52                                         MessageEncoder = CreateEncoder<TChannel> (mbe);
  53                                         break;
  54                                 }
  55 #if NET_2_1
  56                                 var cbe = be as HttpCookieContainerBindingElement;
  57                                 if (cbe != null)
  58                                         cookie_manager = cbe.GetProperty<IHttpCookieContainerManager> (ctx);
  59 #endif
  60                         }
  61                         if (MessageEncoder == null)
  62                                 MessageEncoder = new TextMessageEncoder (MessageVersion.Default, Encoding.UTF8);
  63                 }
  64
  65                 public ClientCredentials ClientCredentials { get; private set; }
  66
  67                 protected override TChannel OnCreateChannel (
  68                         EndpointAddress address, Uri via)
  69                 {
  70                         ThrowIfDisposedOrNotOpen ();
  71
  72                         if (Transport.Scheme != address.Uri.Scheme)
  73                                 throw new ArgumentException (String.Format ("Argument EndpointAddress has unsupported URI scheme: {0}", address.Uri.Scheme));
  74
  75                         if (MessageEncoder.MessageVersion.Addressing.Equals (AddressingVersion.None) &&
  76                             via != null && !address.Uri.Equals (via))
  77                                 throw new ArgumentException (String.Format ("The endpoint address '{0}' and via uri '{1}' must match when the corresponding binding has addressing version in the message version value as None.", address.Uri, via));
  78
  79                         Type t = typeof (TChannel);
  80                         if (t == typeof (IRequestChannel))
  81                                 return (TChannel) (object) new HttpRequestChannel ((HttpChannelFactory<IRequestChannel>) (object) this, address, via);
  82                         else if (t == typeof (IOutputChannel))
  83                                 // FIXME: implement
  84                                 throw new NotImplementedException ();
  85                         throw new InvalidOperationException (String.Format ("channel type {0} is not supported.", typeof (TChannel).Name));
  86                 }
  87
  88                 Action<TimeSpan> open_delegate;
  89
  90                 protected override IAsyncResult OnBeginOpen (TimeSpan timeout,
  91                         AsyncCallback callback, object state)
  92                 {
  93                         if (open_delegate == null)
  94                                 open_delegate = new Action<TimeSpan> (OnOpen);
  95                         return open_delegate.BeginInvoke (timeout, callback, state);
  96                 }
  97
  98                 protected override void OnEndOpen (IAsyncResult result)
  99                 {
 100                         if (open_delegate == null)
 101                                 throw new InvalidOperationException ("Async open operation has not started");
 102                         open_delegate.EndInvoke (result);
 103                 }
 104
 105                 protected override void OnOpen (TimeSpan timeout)
 106                 {
 107                 }
 108
 109                 public override T GetProperty<T> ()
 110                 {
 111 #if NET_2_1
 112                         if (cookie_manager is T)
 113                                 return (T) (object) cookie_manager;
 114 #endif
 115                         return base.GetProperty<T> ();
 116                 }
 117         }
 118 }