mcs/class/System.ServiceModel.Discovery/System.ServiceModel.Discovery/DiscoveryClientBindingElement.cs

   1 //
   2 // Author: Atsushi Enomoto <atsushi@ximian.com>
   3 //
   4 // Copyright (C) 2009,2010 Novell, Inc (http://www.novell.com)
   5 //
   6 // Permission is hereby granted, free of charge, to any person obtaining
   7 // a copy of this software and associated documentation files (the
   8 // "Software"), to deal in the Software without restriction, including
   9 // without limitation the rights to use, copy, modify, merge, publish,
  10 // distribute, sublicense, and/or sell copies of the Software, and to
  11 // permit persons to whom the Software is furnished to do so, subject to
  12 // the following conditions:
  13 //
  14 // The above copyright notice and this permission notice shall be
  15 // included in all copies or substantial portions of the Software.
  16 //
  17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  21 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24 //
  25 using System;
  26 using System.Collections.Generic;
  27 using System.Collections.ObjectModel;
  28 using System.Linq;
  29 using System.ServiceModel;
  30 using System.ServiceModel.Channels;
  31 using System.ServiceModel.Description;
  32 using System.ServiceModel.Dispatcher;
  33
  34 namespace System.ServiceModel.Discovery
  35 {
  36         public sealed class DiscoveryClientBindingElement : BindingElement
  37         {
  38                 public static readonly EndpointAddress DiscoveryEndpointAddress = new EndpointAddress ("http://schemas.microsoft.com/discovery/dynamic");
  39
  40                 public DiscoveryClientBindingElement ()
  41                 {
  42                         DiscoveryEndpointProvider = DiscoveryEndpointProvider.CreateDefault ();
  43                         FindCriteria = new FindCriteria (); // empty
  44                 }
  45
  46                 public DiscoveryClientBindingElement (DiscoveryEndpointProvider discoveryEndpointProvider, FindCriteria findCriteria)
  47                 {
  48                         if (discoveryEndpointProvider == null)
  49                                 throw new ArgumentNullException ("discoveryEndpointProvider");
  50                         if (findCriteria == null)
  51                                 throw new ArgumentNullException ("findCriteria");
  52
  53                         DiscoveryEndpointProvider = discoveryEndpointProvider;
  54                         FindCriteria = findCriteria;
  55                 }
  56
  57                 public DiscoveryEndpointProvider DiscoveryEndpointProvider { get; set; }
  58                 public FindCriteria FindCriteria { get; set; }
  59
  60                 public override IChannelFactory<TChannel> BuildChannelFactory<TChannel> (BindingContext context)
  61                 {
  62                         if (!(context.Binding.CreateBindingElements ().First () is DiscoveryClientBindingElement))
  63                                 throw new InvalidOperationException ("DiscoveryClientBindingElement is expected at the top of the input binding elements in the BindingContext");
  64
  65                         return new DiscoveryChannelFactory<TChannel> (this, context);
  66                 }
  67
  68                 public override IChannelListener<TChannel> BuildChannelListener<TChannel> (BindingContext context)
  69                 {
  70                         throw new NotSupportedException ();
  71                 }
  72
  73                 public override bool CanBuildChannelFactory<TChannel> (BindingContext context)
  74                 {
  75                         return context.CanBuildInnerChannelFactory<TChannel> ();
  76                 }
  77
  78                 public override bool CanBuildChannelListener<TChannel> (BindingContext context)
  79                 {
  80                         return false;
  81                 }
  82
  83                 public override BindingElement Clone ()
  84                 {
  85                         return new DiscoveryClientBindingElement (DiscoveryEndpointProvider, FindCriteria);
  86                 }
  87
  88                 public override T GetProperty<T> (BindingContext context)
  89                 {
  90                         return context.GetInnerProperty<T> ();
  91                 }
  92         }
  93 }