mcs/class/System.ServiceModel.Web/System.ServiceModel.Web/WebOperationContext.cs

   1 //
   2 // WebOperationContext.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto  <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2008 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.IO;
  30 using System.ServiceModel;
  31 using System.ServiceModel.Channels;
  32 using System.ServiceModel.Description;
  33
  34 #if NET_2_1 // Note that moonlight System.ServiceModel.Web.dll does not contain this class.
  35 using IncomingWebRequestContext = System.Object;
  36 using OutgoingWebResponseContext = System.Object;
  37 #else
  38 using System.Runtime.Serialization.Json;
  39 using System.ServiceModel.Syndication;
  40 using System.Xml;
  41 using System.Xml.Serialization;
  42 #endif
  43
  44 namespace System.ServiceModel.Web
  45 {
  46         public class WebOperationContext
  47 #if !NET_2_1
  48          : IExtension<OperationContext>
  49 #endif
  50         {
  51 #if !NET_2_1
  52                 public static WebOperationContext Current {
  53                         get {
  54                                 if (OperationContext.Current == null)
  55                                         return null;
  56                                 var ret = OperationContext.Current.Extensions.Find<WebOperationContext> ();
  57                                 if (ret == null) {
  58                                         ret = new WebOperationContext (OperationContext.Current);
  59                                         OperationContext.Current.Extensions.Add (ret);
  60                                 }
  61                                 return ret;
  62                         }
  63                 }
  64 #endif
  65
  66                 IncomingWebRequestContext incoming_request;
  67                 IncomingWebResponseContext incoming_response;
  68                 OutgoingWebRequestContext outgoing_request;
  69                 OutgoingWebResponseContext outgoing_response;
  70
  71                 public WebOperationContext (OperationContext operation)
  72                 {
  73                         if (operation == null)
  74                                 throw new ArgumentNullException ("operation");
  75
  76                         outgoing_request = new OutgoingWebRequestContext ();
  77                         incoming_response = new IncomingWebResponseContext (operation);
  78 #if !NET_2_1
  79                         incoming_request = new IncomingWebRequestContext (operation);
  80                         outgoing_response = new OutgoingWebResponseContext ();
  81 #endif
  82                 }
  83
  84 #if !NET_2_1
  85                 public IncomingWebRequestContext IncomingRequest {
  86                         get { return incoming_request; }
  87                 }
  88 #endif
  89
  90                 public IncomingWebResponseContext IncomingResponse {
  91                         get { return incoming_response; }
  92                 }
  93
  94                 public OutgoingWebRequestContext OutgoingRequest {
  95                         get { return outgoing_request; }
  96                 }
  97
  98 #if !NET_2_1
  99                 public OutgoingWebResponseContext OutgoingResponse {
 100                         get { return outgoing_response; }
 101                 }
 102 #endif
 103
 104                 public void Attach (OperationContext context)
 105                 {
 106                         // do nothing
 107                 }
 108
 109                 public void Detach (OperationContext context)
 110                 {
 111                         // do nothing
 112                 }
 113
 114 #if NET_4_0 && !MOBILE
 115                 static readonly XmlWriterSettings settings = new XmlWriterSettings () { OmitXmlDeclaration = true, Indent = false };
 116                 XmlSerializer document_serializer, feed_serializer, item_serializer;
 117
 118                 Message CreateAtom10Response<T> (T obj, ref XmlSerializer serializer)
 119                 {
 120                         if (serializer == null)
 121                                 serializer = new XmlSerializer (typeof (T));
 122                         var ms = new MemoryStream ();
 123                         using (var xw = XmlWriter.Create (ms, settings))
 124                                 serializer.Serialize (xw, obj);
 125                         ms.Position = 0;
 126                         return Message.CreateMessage (MessageVersion.None, null, XmlReader.Create (ms));
 127                 }
 128
 129                 public Message CreateAtom10Response (ServiceDocument document)
 130                 {
 131                         return CreateAtom10Response<AtomPub10ServiceDocumentFormatter> (new AtomPub10ServiceDocumentFormatter (document), ref document_serializer);
 132                 }
 133
 134                 public Message CreateAtom10Response (SyndicationFeed feed)
 135                 {
 136                         return CreateAtom10Response<Atom10FeedFormatter> (new Atom10FeedFormatter (feed), ref feed_serializer);
 137                 }
 138
 139                 public Message CreateAtom10Response (SyndicationItem item)
 140                 {
 141                         return CreateAtom10Response<Atom10ItemFormatter> (new Atom10ItemFormatter (item), ref item_serializer);
 142                 }
 143
 144                 public Message CreateJsonResponse<T> (T instance)
 145                 {
 146                         return CreateJsonResponse<T> (instance, new DataContractJsonSerializer (typeof (T)));
 147                 }
 148
 149                 public Message CreateJsonResponse<T> (T instance, DataContractJsonSerializer serializer)
 150                 {
 151                         return Message.CreateMessage (MessageVersion.None, null, instance, serializer);
 152                 }
 153 #endif
 154         }
 155 }