mcs/class/System.ServiceModel/System.ServiceModel.Description/MetadataExchangeClient.cs

   1 //
   2 // MetadataExchangeClient.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //      Ankit Jain <jankit@novell.com>
   7 //
   8 // Copyright (C) 2005 Novell, Inc.  http://www.novell.com
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29 using System;
  30 using System.Collections.Generic;
  31 using System.Collections.ObjectModel;
  32 using System.ServiceModel;
  33 using System.ServiceModel.Channels;
  34 using System.ServiceModel.Description;
  35 using System.Web.Services.Description;
  36 using System.Web.Services.Discovery;
  37 using System.Web.Services.Protocols;
  38 using System.Xml;
  39 using System.Xml.Serialization;
  40 using System.IO;
  41 using System.Net;
  42 using System.Text;
  43
  44 using SMBinding = System.ServiceModel.Channels.Binding;
  45 using SMMessage = System.ServiceModel.Channels.Message;
  46
  47 namespace System.ServiceModel.Description
  48 {
  49         [MonoTODO ("MetadataExchangeClientMode is not considered")]
  50         public class MetadataExchangeClient
  51         {
  52                 string scheme;
  53
  54                 EndpointAddress address;
  55                 SMBinding binding;
  56                 MetadataExchangeClientMode mode = MetadataExchangeClientMode.MetadataExchange;
  57
  58                 // constructors
  59
  60                 [MonoTODO ("use empty configuration")]
  61                 public MetadataExchangeClient ()
  62                 {
  63                 }
  64
  65                 public MetadataExchangeClient (SMBinding mexBinding)
  66                 {
  67                         binding = mexBinding;
  68                 }
  69
  70                 public MetadataExchangeClient (EndpointAddress address)
  71                 {
  72                         this.address = address;
  73                 }
  74
  75                 public MetadataExchangeClient (string endpointConfigurationName)
  76                 {
  77                         throw new NotImplementedException ();
  78                 }
  79
  80                 public MetadataExchangeClient (Uri address, MetadataExchangeClientMode mode)
  81                 {
  82                         this.address = new EndpointAddress (address.AbsoluteUri);
  83                         this.mode = mode;
  84                 }
  85
  86                 // sync methods
  87
  88                 public MetadataSet GetMetadata ()
  89                 {
  90                         return GetMetadata (address);
  91                 }
  92
  93                 public MetadataSet GetMetadata (EndpointAddress address)
  94                 {
  95                         //FIXME: default mode?
  96                         return GetMetadataInternal (address, mode);
  97                 }
  98
  99                 public MetadataSet GetMetadata (Uri address, MetadataExchangeClientMode mode)
 100                 {
 101                         return GetMetadataInternal (new EndpointAddress (address.AbsoluteUri), mode);
 102                 }
 103
 104                 internal MetadataSet GetMetadataInternal (EndpointAddress address, MetadataExchangeClientMode mode)
 105                 {
 106                         if (binding == null)
 107                                 binding = address.Uri.Scheme == Uri.UriSchemeHttps ?
 108                                         MetadataExchangeBindings.CreateMexHttpsBinding () :
 109                                         MetadataExchangeBindings.CreateMexHttpBinding ();
 110
 111                         MetadataProxy proxy = new MetadataProxy (binding, address);
 112                         proxy.Open ();
 113
 114                         SMMessage msg = SMMessage.CreateMessage (
 115                                         MessageVersion.Soap12WSAddressing10,
 116                                         "http://schemas.xmlsoap.org/ws/2004/09/transfer/Get");
 117
 118                         msg.Headers.ReplyTo = new EndpointAddress (
 119                                         "http://www.w3.org/2005/08/addressing/anonymous");
 120                         //msg.Headers.From = new EndpointAddress ("http://localhost");
 121                         msg.Headers.To = address.Uri;
 122                         msg.Headers.MessageId = new UniqueId ();
 123
 124                         SMMessage ret;
 125                         try {
 126                                 ret = proxy.Get (msg);
 127                         } catch (Exception e) {
 128                                 throw new InvalidOperationException (
 129                                                 "Metadata contains a reference that cannot be resolved : " + address.Uri.AbsoluteUri, e);
 130                         }
 131
 132                         return MetadataSet.ReadFrom (ret.GetReaderAtBodyContents ());
 133                 }
 134
 135                 // async methods
 136
 137                 Func<Func<MetadataSet>,MetadataSet> getter;
 138
 139                 void PrepareGetter ()
 140                 {
 141                         if (getter == null)
 142                                 getter = new Func<Func<MetadataSet>,MetadataSet> (GetMetadata);
 143                 }
 144
 145                 public MetadataSet EndGetMetadata (IAsyncResult result)
 146                 {
 147                         return getter.EndInvoke (result);
 148                 }
 149
 150                 MetadataSet GetMetadata (Func<MetadataSet> func)
 151                 {
 152                         return func ();
 153                 }
 154
 155                 public IAsyncResult BeginGetMetadata (AsyncCallback callback, object asyncState)
 156                 {
 157                         PrepareGetter ();
 158                         return getter.BeginInvoke (() => GetMetadata (), callback, asyncState);
 159                 }
 160
 161                 public IAsyncResult BeginGetMetadata (EndpointAddress address, AsyncCallback callback, object asyncState)
 162                 {
 163                         PrepareGetter ();
 164                         return getter.BeginInvoke (() => GetMetadata (address), callback, asyncState);
 165                 }
 166
 167                 public IAsyncResult BeginGetMetadata (Uri address, MetadataExchangeClientMode mode, AsyncCallback callback, object asyncState)
 168                 {
 169                         PrepareGetter ();
 170                         return getter.BeginInvoke (() => GetMetadata (address, mode), callback, asyncState);
 171                 }
 172         }
 173
 174         internal class MetadataProxy : ClientBase<IMetadataExchange>, IMetadataExchange
 175         {
 176                 public MetadataProxy (SMBinding binding, EndpointAddress address)
 177                         : base (binding, address)
 178                 {
 179                 }
 180
 181                 public SMMessage Get (SMMessage msg)
 182                 {
 183                         return Channel.Get (msg);
 184                 }
 185
 186                 public IAsyncResult BeginGet (SMMessage request, AsyncCallback callback , object state)
 187                 {
 188                         throw new NotImplementedException ();
 189                 }
 190
 191                 public SMMessage EndGet (IAsyncResult result)
 192                 {
 193                         throw new NotImplementedException ();
 194                 }
 195         }
 196
 197 }