mcs/class/System.ServiceModel.Web/System.ServiceModel.Dispatcher/WebMessageFormatter.cs

   1 //
   2 // WebMessageFormatter.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto  <atsushi@ximian.com>
   6 //      Atsushi Enomoto  <atsushi@xamarin.com>
   7 //
   8 // Copyright (C) 2008,2009 Novell, Inc (http://www.novell.com)
   9 // Copyright (C) 2011 Xamarin, Inc (http://xamarin.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30 using System;
  31 using System.Collections.Generic;
  32 using System.Globalization;
  33 using System.IO;
  34 using System.Reflection;
  35 using System.Runtime.Serialization;
  36 using System.Runtime.Serialization.Json;
  37 using System.ServiceModel;
  38 using System.ServiceModel.Channels;
  39 using System.ServiceModel.Description;
  40 using System.ServiceModel.Web;
  41 using System.Text;
  42 using System.Xml;
  43
  44 #if NET_2_1
  45 using XmlObjectSerializer = System.Object;
  46 #endif
  47
  48 namespace System.ServiceModel.Dispatcher
  49 {
  50         // This set of classes is to work as message formatters for
  51         // WebHttpBehavior. There are couple of aspects to differentiate
  52         // implementations:
  53         // - request/reply and client/server
  54         //   by WebMessageFormatter hierarchy
  55         //   - WebClientMessageFormatter - for client
  56         //     - RequestClientFormatter - for request
  57         //     - ReplyClientFormatter - for response
  58         //   - WebDispatchMessageFormatter - for server
  59         //     - RequestDispatchFormatter - for request
  60         //     - ReplyDispatchFormatter - for response
  61         //
  62         // FIXME: below items need more work
  63         // - HTTP method differences
  64         //  - GET (WebGet)
  65         //  - POST (other way)
  66         // - output format: Stream, JSON, XML ...
  67
  68         internal abstract class WebMessageFormatter
  69         {
  70                 OperationDescription operation;
  71                 ServiceEndpoint endpoint;
  72                 QueryStringConverter converter;
  73                 WebHttpBehavior behavior;
  74                 UriTemplate template;
  75                 WebAttributeInfo info = null;
  76
  77                 public WebMessageFormatter (OperationDescription operation, ServiceEndpoint endpoint, QueryStringConverter converter, WebHttpBehavior behavior)
  78                 {
  79                         this.operation = operation;
  80                         this.endpoint = endpoint;
  81                         this.converter = converter;
  82                         this.behavior = behavior;
  83                         ApplyWebAttribute ();
  84 #if !NET_2_1
  85                         // This is a hack for WebScriptEnablingBehavior
  86                         var jqc = converter as JsonQueryStringConverter;
  87                         if (jqc != null)
  88                                 BodyName = jqc.CustomWrapperName;
  89 #endif
  90                 }
  91
  92                 void ApplyWebAttribute ()
  93                 {
  94                         MethodInfo mi = operation.SyncMethod ?? operation.BeginMethod;
  95
  96                         object [] atts = mi.GetCustomAttributes (typeof (WebGetAttribute), false);
  97                         if (atts.Length > 0)
  98                                 info = ((WebGetAttribute) atts [0]).Info;
  99                         atts = mi.GetCustomAttributes (typeof (WebInvokeAttribute), false);
 100                         if (atts.Length > 0)
 101                                 info = ((WebInvokeAttribute) atts [0]).Info;
 102                         if (info == null)
 103                                 info = new WebAttributeInfo ();
 104
 105                         template = info.BuildUriTemplate (Operation, GetMessageDescription (MessageDirection.Input));
 106                 }
 107
 108                 public string BodyName { get; set; }
 109
 110                 public WebHttpBehavior Behavior {
 111                         get { return behavior; }
 112                 }
 113
 114                 public WebAttributeInfo Info {
 115                         get { return info; }
 116                 }
 117
 118                 public WebMessageBodyStyle BodyStyle {
 119                         get { return info.IsBodyStyleSetExplicitly ? info.BodyStyle : behavior.DefaultBodyStyle; }
 120                 }
 121
 122                 public bool IsRequestBodyWrapped {
 123                         get {
 124                                 switch (BodyStyle) {
 125                                 case WebMessageBodyStyle.Wrapped:
 126                                 case WebMessageBodyStyle.WrappedRequest:
 127                                         return true;
 128                                 }
 129                                 return BodyName != null;
 130                         }
 131                 }
 132
 133                 public bool IsResponseBodyWrapped {
 134                         get {
 135                                 switch (BodyStyle) {
 136                                 case WebMessageBodyStyle.Wrapped:
 137                                 case WebMessageBodyStyle.WrappedResponse:
 138                                         return true;
 139                                 }
 140                                 return BodyName != null;
 141                         }
 142                 }
 143
 144                 public OperationDescription Operation {
 145                         get { return operation; }
 146                 }
 147
 148                 public QueryStringConverter Converter {
 149                         get { return converter; }
 150                 }
 151
 152                 public ServiceEndpoint Endpoint {
 153                         get { return endpoint; }
 154                 }
 155
 156                 public UriTemplate UriTemplate {
 157                         get { return template; }
 158                 }
 159
 160                 protected WebContentFormat ToContentFormat (WebMessageFormat src, object result)
 161                 {
 162                         if (result is Stream)
 163                                 return WebContentFormat.Raw;
 164                         switch (src) {
 165                         case WebMessageFormat.Xml:
 166                                 return WebContentFormat.Xml;
 167                         case WebMessageFormat.Json:
 168                                 return WebContentFormat.Json;
 169                         }
 170                         throw new SystemException ("INTERNAL ERROR: should not happen");
 171                 }
 172
 173                 protected string GetMediaTypeString (WebContentFormat fmt)
 174                 {
 175                         switch (fmt) {
 176                         case WebContentFormat.Raw:
 177                                 return "application/octet-stream";
 178                         case WebContentFormat.Json:
 179                                 return "application/json";
 180                         case WebContentFormat.Xml:
 181                         default:
 182                                 return "application/xml";
 183                         }
 184                 }
 185
 186                 protected void CheckMessageVersion (MessageVersion messageVersion)
 187                 {
 188                         if (messageVersion == null)
 189                                 throw new ArgumentNullException ("messageVersion");
 190
 191                         if (!MessageVersion.None.Equals (messageVersion))
 192                                 throw new ArgumentException (String.Format ("Only MessageVersion.None is supported. {0} is not.", messageVersion));
 193                 }
 194
 195                 protected MessageDescription GetMessageDescription (MessageDirection dir)
 196                 {
 197                         foreach (MessageDescription md in operation.Messages)
 198                                 if (md.Direction == dir)
 199                                         return md;
 200                         throw new SystemException ("INTERNAL ERROR: no corresponding message description for the specified direction: " + dir);
 201                 }
 202
 203                 protected XmlObjectSerializer GetSerializer (WebContentFormat msgfmt, bool isWrapped, MessagePartDescription part)
 204                 {
 205                         if (part.Type == typeof (void))
 206                                 return null; // no serialization should be done.
 207
 208                         switch (msgfmt) {
 209                         case WebContentFormat.Xml:
 210                                 if (xml_serializer == null)
 211                                         xml_serializer = isWrapped ? new DataContractSerializer (part.Type, part.Name, part.Namespace) : new DataContractSerializer (part.Type);
 212                                 return xml_serializer;
 213                         case WebContentFormat.Json:
 214                                 // FIXME: after name argument they are hack
 215                                 if (json_serializer == null)
 216 #if MOONLIGHT
 217                                         json_serializer = new DataContractJsonSerializer (part.Type);
 218 #else
 219                                         json_serializer = isWrapped ? new DataContractJsonSerializer (part.Type, BodyName ?? part.Name, null, 0x100000, false, null, true) : new DataContractJsonSerializer (part.Type);
 220 #endif
 221                                 return json_serializer;
 222                         default:
 223                                 throw new NotImplementedException (msgfmt.ToString ());
 224                         }
 225                 }
 226
 227                 XmlObjectSerializer xml_serializer, json_serializer;
 228
 229                 protected object DeserializeObject (XmlObjectSerializer serializer, Message message, MessageDescription md, bool isWrapped, WebContentFormat fmt)
 230                 {
 231                         // FIXME: handle ref/out parameters
 232
 233                         var reader = message.GetReaderAtBodyContents ();
 234                         reader.MoveToContent ();
 235
 236                         bool wasEmptyElement = reader.IsEmptyElement;
 237
 238                         if (isWrapped) {
 239                                 if (fmt == WebContentFormat.Json)
 240                                         reader.ReadStartElement ("root", String.Empty); // note that the wrapper name is passed to the serializer.
 241                                 else
 242                                         reader.ReadStartElement (md.Body.WrapperName, md.Body.WrapperNamespace);
 243                         }
 244
 245                         var ret = (serializer == null) ? null : ReadObjectBody (serializer, reader);
 246
 247                         if (isWrapped && !wasEmptyElement)
 248                                 reader.ReadEndElement ();
 249
 250                         return ret;
 251                 }
 252
 253                 protected object ReadObjectBody (XmlObjectSerializer serializer, XmlReader reader)
 254                 {
 255 #if NET_2_1
 256                         return (serializer is DataContractJsonSerializer) ?
 257                                 ((DataContractJsonSerializer) serializer).ReadObject (reader) :
 258                                 ((DataContractSerializer) serializer).ReadObject (reader, true);
 259 #else
 260                         return serializer.ReadObject (reader, true);
 261 #endif
 262                 }
 263
 264                 internal class RequestClientFormatter : WebClientMessageFormatter
 265                 {
 266                         public RequestClientFormatter (OperationDescription operation, ServiceEndpoint endpoint, QueryStringConverter converter, WebHttpBehavior behavior)
 267                                 : base (operation, endpoint, converter, behavior)
 268                         {
 269                         }
 270
 271                         public override object DeserializeReply (Message message, object [] parameters)
 272                         {
 273                                 throw new NotSupportedException ();
 274                         }
 275                 }
 276
 277                 internal class ReplyClientFormatter : WebClientMessageFormatter
 278                 {
 279                         public ReplyClientFormatter (OperationDescription operation, ServiceEndpoint endpoint, QueryStringConverter converter, WebHttpBehavior behavior)
 280                                 : base (operation, endpoint, converter, behavior)
 281                         {
 282                         }
 283
 284                         public override Message SerializeRequest (MessageVersion messageVersion, object [] parameters)
 285                         {
 286                                 throw new NotSupportedException ();
 287                         }
 288                 }
 289
 290 #if !NET_2_1
 291                 internal class RequestDispatchFormatter : WebDispatchMessageFormatter
 292                 {
 293                         public RequestDispatchFormatter (OperationDescription operation, ServiceEndpoint endpoint, QueryStringConverter converter, WebHttpBehavior behavior)
 294                                 : base (operation, endpoint, converter, behavior)
 295                         {
 296                         }
 297
 298                         public override Message SerializeReply (MessageVersion messageVersion, object [] parameters, object result)
 299                         {
 300                                 throw new NotSupportedException ();
 301                         }
 302                 }
 303
 304                 internal class ReplyDispatchFormatter : WebDispatchMessageFormatter
 305                 {
 306                         public ReplyDispatchFormatter (OperationDescription operation, ServiceEndpoint endpoint, QueryStringConverter converter, WebHttpBehavior behavior)
 307                                 : base (operation, endpoint, converter, behavior)
 308                         {
 309                         }
 310
 311                         public override void DeserializeRequest (Message message, object [] parameters)
 312                         {
 313                                 throw new NotSupportedException ();
 314                         }
 315                 }
 316 #endif
 317
 318                 internal abstract class WebClientMessageFormatter : WebMessageFormatter, IClientMessageFormatter
 319                 {
 320                         IClientMessageFormatter default_formatter;
 321
 322                         protected WebClientMessageFormatter (OperationDescription operation, ServiceEndpoint endpoint, QueryStringConverter converter, WebHttpBehavior behavior)
 323                                 : base (operation, endpoint, converter, behavior)
 324                         {
 325                         }
 326
 327                         public virtual Message SerializeRequest (MessageVersion messageVersion, object [] parameters)
 328                         {
 329                                 if (parameters == null)
 330                                         throw new ArgumentNullException ("parameters");
 331                                 CheckMessageVersion (messageVersion);
 332
 333                                 var c = new Dictionary<string,string> ();
 334
 335                                 MessageDescription md = GetMessageDescription (MessageDirection.Input);
 336
 337                                 Message ret;
 338                                 Uri to;
 339                                 object msgpart = null;
 340
 341
 342                                 for (int i = 0; i < parameters.Length; i++) {
 343                                         var p = md.Body.Parts [i];
 344                                         string name = p.Name.ToUpper (CultureInfo.InvariantCulture);
 345                                         if (UriTemplate.PathSegmentVariableNames.Contains (name) ||
 346                                             UriTemplate.QueryValueVariableNames.Contains (name))
 347                                                 c.Add (name, parameters [i] != null ? Converter.ConvertValueToString (parameters [i], parameters [i].GetType ()) : null);
 348                                         else {
 349                                                 // FIXME: bind as a message part
 350                                                 if (msgpart == null)
 351                                                         msgpart = parameters [i];
 352                                                 else
 353                                                         throw new  NotImplementedException (String.Format ("More than one parameters including {0} that are not contained in the URI template {1} was found.", p.Name, UriTemplate));
 354                                         }
 355                                 }
 356                                 ret = Message.CreateMessage (messageVersion, (string) null, msgpart);
 357
 358                                 to = UriTemplate.BindByName (Endpoint.Address.Uri, c);
 359                                 ret.Headers.To = to;
 360
 361                                 var hp = new HttpRequestMessageProperty ();
 362                                 hp.Method = Info.Method;
 363
 364                                 WebMessageFormat msgfmt = Info.IsResponseFormatSetExplicitly ? Info.ResponseFormat : Behavior.DefaultOutgoingResponseFormat;
 365                                 var contentFormat = ToContentFormat (msgfmt, msgpart);
 366                                 string mediaType = GetMediaTypeString (contentFormat);
 367                                 // FIXME: get encoding from somewhere
 368                                 hp.Headers ["Content-Type"] = mediaType + "; charset=utf-8";
 369
 370 #if !NET_2_1
 371                                 if (WebOperationContext.Current != null)
 372                                         WebOperationContext.Current.OutgoingRequest.Apply (hp);
 373 #endif
 374                                 // FIXME: set hp.SuppressEntityBody for some cases.
 375                                 ret.Properties.Add (HttpRequestMessageProperty.Name, hp);
 376
 377                                 var wp = new WebBodyFormatMessageProperty (ToContentFormat (Info.IsRequestFormatSetExplicitly ? Info.RequestFormat : Behavior.DefaultOutgoingRequestFormat, null));
 378                                 ret.Properties.Add (WebBodyFormatMessageProperty.Name, wp);
 379
 380                                 return ret;
 381                         }
 382
 383                         public virtual object DeserializeReply (Message message, object [] parameters)
 384                         {
 385                                 if (parameters == null)
 386                                         throw new ArgumentNullException ("parameters");
 387                                 CheckMessageVersion (message.Version);
 388
 389                                 if (OperationContext.Current != null) {
 390                                         // Set response in the context
 391                                         OperationContext.Current.IncomingMessage = message;
 392                                 }
 393
 394                                 if (message.IsEmpty)
 395                                         return null; // empty message, could be returned by HttpReplyChannel.
 396
 397                                 string pname = WebBodyFormatMessageProperty.Name;
 398                                 if (!message.Properties.ContainsKey (pname))
 399                                         throw new SystemException ("INTERNAL ERROR: it expects WebBodyFormatMessageProperty existence");
 400                                 var wp = (WebBodyFormatMessageProperty) message.Properties [pname];
 401                                 var fmt = wp != null ? wp.Format : WebContentFormat.Xml;
 402
 403                                 var md = GetMessageDescription (MessageDirection.Output);
 404                                 var serializer = GetSerializer (wp.Format, IsResponseBodyWrapped, md.Body.ReturnValue);
 405                                 var ret = DeserializeObject (serializer, message, md, IsResponseBodyWrapped, fmt);
 406
 407                                 return ret;
 408                         }
 409                 }
 410
 411                 internal class WrappedBodyWriter : BodyWriter
 412                 {
 413                         public WrappedBodyWriter (object value, XmlObjectSerializer serializer, string name, string ns, WebContentFormat fmt)
 414                                 : base (true)
 415                         {
 416                                 this.name = name;
 417                                 this.ns = ns;
 418                                 this.value = value;
 419                                 this.serializer = serializer;
 420                                 this.fmt = fmt;
 421                         }
 422
 423                         WebContentFormat fmt;
 424                         string name, ns;
 425                         object value;
 426                         XmlObjectSerializer serializer;
 427
 428 #if !NET_2_1
 429                         protected override BodyWriter OnCreateBufferedCopy (int maxBufferSize)
 430                         {
 431                                 return new WrappedBodyWriter (value, serializer, name, ns, fmt);
 432                         }
 433 #endif
 434
 435                         protected override void OnWriteBodyContents (XmlDictionaryWriter writer)
 436                         {
 437                                 switch (fmt) {
 438                                 case WebContentFormat.Raw:
 439                                         WriteRawContents (writer);
 440                                         break;
 441                                 case WebContentFormat.Json:
 442                                         WriteJsonBodyContents (writer);
 443                                         break;
 444                                 case WebContentFormat.Xml:
 445                                         WriteXmlBodyContents (writer);
 446                                         break;
 447                                 }
 448                         }
 449
 450                         void WriteRawContents (XmlDictionaryWriter writer)
 451                         {
 452                                 throw new NotSupportedException ("Some unsupported sequence of writing operation occured. It is likely a missing feature.");
 453                         }
 454
 455                         void WriteJsonBodyContents (XmlDictionaryWriter writer)
 456                         {
 457                                 if (name != null) {
 458                                         writer.WriteStartElement ("root");
 459                                         writer.WriteAttributeString ("type", "object");
 460                                 }
 461                                 WriteObject (serializer, writer, value);
 462                                 if (name != null)
 463                                         writer.WriteEndElement ();
 464                         }
 465
 466                         void WriteXmlBodyContents (XmlDictionaryWriter writer)
 467                         {
 468                                 if (name != null)
 469                                         writer.WriteStartElement (name, ns);
 470                                 WriteObject (serializer, writer, value);
 471                                 if (name != null)
 472                                         writer.WriteEndElement ();
 473                         }
 474
 475                         void WriteObject (XmlObjectSerializer serializer, XmlDictionaryWriter writer, object value)
 476                         {
 477 #if NET_2_1
 478                                         if (serializer is DataContractJsonSerializer)
 479                                                 ((DataContractJsonSerializer) serializer).WriteObject (writer, value);
 480                                         else
 481                                                 ((DataContractSerializer) serializer).WriteObject (writer, value);
 482 #else
 483                                         serializer.WriteObject (writer, value);
 484 #endif
 485                         }
 486                 }
 487
 488 #if !NET_2_1
 489                 internal abstract class WebDispatchMessageFormatter : WebMessageFormatter, IDispatchMessageFormatter
 490                 {
 491                         protected WebDispatchMessageFormatter (OperationDescription operation, ServiceEndpoint endpoint, QueryStringConverter converter, WebHttpBehavior behavior)
 492                                 : base (operation, endpoint, converter, behavior)
 493                         {
 494                         }
 495
 496                         public virtual Message SerializeReply (MessageVersion messageVersion, object [] parameters, object result)
 497                         {
 498                                 try {
 499                                         return SerializeReplyCore (messageVersion, parameters, result);
 500                                 } finally {
 501                                         if (WebOperationContext.Current != null)
 502                                                 OperationContext.Current.Extensions.Remove (WebOperationContext.Current);
 503                                 }
 504                         }
 505
 506                         Message SerializeReplyCore (MessageVersion messageVersion, object [] parameters, object result)
 507                         {
 508                                 // parameters could be null.
 509                                 // result could be null. For Raw output, it becomes no output.
 510
 511                                 CheckMessageVersion (messageVersion);
 512
 513                                 MessageDescription md = GetMessageDescription (MessageDirection.Output);
 514
 515                                 // FIXME: use them.
 516                                 // var dcob = Operation.Behaviors.Find<DataContractSerializerOperationBehavior> ();
 517                                 // XmlObjectSerializer xos = dcob.CreateSerializer (result.GetType (), md.Body.WrapperName, md.Body.WrapperNamespace, null);
 518                                 // var xsob = Operation.Behaviors.Find<XmlSerializerOperationBehavior> ();
 519                                 // XmlSerializer [] serializers = XmlSerializer.FromMappings (xsob.GetXmlMappings ().ToArray ());
 520
 521                                 WebMessageFormat msgfmt = Info.IsResponseFormatSetExplicitly ? Info.ResponseFormat : Behavior.DefaultOutgoingResponseFormat;
 522
 523                                 XmlObjectSerializer serializer = null;
 524
 525                                 // FIXME: serialize ref/out parameters as well.
 526
 527                                 string name = null, ns = null;
 528
 529                                 switch (msgfmt) {
 530                                 case WebMessageFormat.Xml:
 531                                         serializer = GetSerializer (WebContentFormat.Xml, IsResponseBodyWrapped, md.Body.ReturnValue);
 532                                         name = IsResponseBodyWrapped ? md.Body.WrapperName : null;
 533                                         ns = IsResponseBodyWrapped ? md.Body.WrapperNamespace : null;
 534                                         break;
 535                                 case WebMessageFormat.Json:
 536                                         serializer = GetSerializer (WebContentFormat.Json, IsResponseBodyWrapped, md.Body.ReturnValue);
 537                                         name = IsResponseBodyWrapped ? (BodyName ?? md.Body.ReturnValue.Name) : null;
 538                                         ns = String.Empty;
 539                                         break;
 540                                 }
 541
 542                                 var contentFormat = ToContentFormat (msgfmt, result);
 543                                 string mediaType = GetMediaTypeString (contentFormat);
 544                                 Message ret = contentFormat == WebContentFormat.Raw ? new RawMessage ((Stream) result) : Message.CreateMessage (MessageVersion.None, null, new WrappedBodyWriter (result, serializer, name, ns, contentFormat));
 545
 546                                 // Message properties
 547
 548                                 var hp = new HttpResponseMessageProperty ();
 549                                 // FIXME: get encoding from somewhere
 550                                 hp.Headers ["Content-Type"] = mediaType + "; charset=utf-8";
 551
 552                                 // apply user-customized HTTP results via WebOperationContext.
 553                                 if (WebOperationContext.Current != null) // this formatter must be available outside ServiceHost.
 554                                         WebOperationContext.Current.OutgoingResponse.Apply (hp);
 555
 556                                 // FIXME: fill some properties if required.
 557                                 ret.Properties.Add (HttpResponseMessageProperty.Name, hp);
 558
 559                                 var wp = new WebBodyFormatMessageProperty (contentFormat);
 560                                 ret.Properties.Add (WebBodyFormatMessageProperty.Name, wp);
 561
 562                                 return ret;
 563                         }
 564
 565                         public virtual void DeserializeRequest (Message message, object [] parameters)
 566                         {
 567                                 if (parameters == null)
 568                                         throw new ArgumentNullException ("parameters");
 569                                 CheckMessageVersion (message.Version);
 570
 571                                 IncomingWebRequestContext iwc = null;
 572                                 if (OperationContext.Current != null) {
 573                                         OperationContext.Current.Extensions.Add (new WebOperationContext (OperationContext.Current));
 574                                         iwc = WebOperationContext.Current.IncomingRequest;
 575                                 }
 576
 577                                 var wp = message.Properties [WebBodyFormatMessageProperty.Name] as WebBodyFormatMessageProperty;
 578                                 var fmt = wp != null ? wp.Format : WebContentFormat.Xml;
 579
 580                                 Uri to = message.Headers.To;
 581                                 UriTemplateMatch match = to == null ? null : UriTemplate.Match (Endpoint.Address.Uri, to);
 582                                 if (match != null && iwc != null)
 583                                         iwc.UriTemplateMatch = match;
 584
 585                                 MessageDescription md = GetMessageDescription (MessageDirection.Input);
 586
 587                                 for (int i = 0; i < parameters.Length; i++) {
 588                                         var p = md.Body.Parts [i];
 589                                         string name = p.Name.ToUpperInvariant ();
 590                                         if (fmt == WebContentFormat.Raw && p.Type == typeof (Stream)) {
 591                                                 var rmsg = (RawMessage) message;
 592                                                 parameters [i] = rmsg.Stream;
 593                                         } else {
 594                                                 var str = match.BoundVariables [name];
 595                                                 if (str != null)
 596                                                         parameters [i] = Converter.ConvertStringToValue (str, p.Type);
 597                                                 else {
 598                                                         if (info.Method != "GET") {
 599                                                                 var serializer = GetSerializer (fmt, IsRequestBodyWrapped, p);
 600                                                                 parameters [i] = DeserializeObject (serializer, message, md, IsRequestBodyWrapped, fmt);
 601                                                         }
 602                                                         // for GET Uri template parameters, there is no <anyType xsi:nil='true' />. So just skip the member.
 603                                                 }
 604                                         }
 605                                 }
 606                         }
 607                 }
 608 #endif
 609
 610                 internal class RawMessage : Message
 611                 {
 612                         public RawMessage (Stream stream)
 613                         {
 614                                 this.Stream = stream;
 615                                 headers = new MessageHeaders (MessageVersion.None);
 616                                 properties = new MessageProperties ();
 617                         }
 618
 619                         public override MessageVersion Version {
 620                                 get { return MessageVersion.None; }
 621                         }
 622
 623                         MessageHeaders headers;
 624
 625                         public override MessageHeaders Headers {
 626                                 get { return headers; }
 627                         }
 628
 629                         MessageProperties properties;
 630
 631                         public override MessageProperties Properties {
 632                                 get { return properties; }
 633                         }
 634
 635                         public Stream Stream { get; private set; }
 636
 637                         protected override void OnWriteBodyContents (XmlDictionaryWriter writer)
 638                         {
 639                                 writer.WriteString ("-- message body is raw binary --");
 640                         }
 641
 642                         protected override MessageBuffer OnCreateBufferedCopy (int maxBufferSize)
 643                         {
 644                                 var ms = Stream as MemoryStream;
 645                                 if (ms == null) {
 646                                         ms = new MemoryStream ();
 647 #if NET_4_0 || NET_2_1
 648                                         Stream.CopyTo (ms);
 649 #else
 650                                         byte [] tmp = new byte [0x1000];
 651                                         int size;
 652                                         do {
 653                                                 size = Stream.Read (tmp, 0, tmp.Length);
 654                                                 ms.Write (tmp, 0, size);
 655                                         } while (size > 0);
 656 #endif
 657                                         this.Stream = ms;
 658                                 }
 659                                 return new RawMessageBuffer (ms.ToArray (), headers, properties);
 660                         }
 661                 }
 662
 663                 internal class RawMessageBuffer : MessageBuffer
 664                 {
 665                         byte [] buffer;
 666                         MessageHeaders headers;
 667                         MessageProperties properties;
 668
 669                         public RawMessageBuffer (byte [] buffer, MessageHeaders headers, MessageProperties properties)
 670                         {
 671                                 this.buffer = buffer;
 672                                 this.headers = new MessageHeaders (headers);
 673                                 this.properties = new MessageProperties (properties);
 674                         }
 675
 676                         public override int BufferSize {
 677                                 get { return buffer.Length; }
 678                         }
 679
 680                         public override void Close ()
 681                         {
 682                         }
 683
 684                         public override Message CreateMessage ()
 685                         {
 686                                 var msg = new RawMessage (new MemoryStream (buffer));
 687                                 msg.Headers.CopyHeadersFrom (headers);
 688                                 msg.Properties.CopyProperties (properties);
 689                                 return msg;
 690                         }
 691                 }
 692         }
 693 }