mcs/class/System.ServiceModel/System.ServiceModel.Channels/TextMessageEncoder.cs

   1 //
   2 // TextMessageEncoder.cs
   3 //
   4 // Author: Atsushi Enomoto (atsushi@ximian.com)
   5 //
   6 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining
   9 // a copy of this software and associated documentation files (the
  10 // "Software"), to deal in the Software without restriction, including
  11 // without limitation the rights to use, copy, modify, merge, publish,
  12 // distribute, sublicense, and/or sell copies of the Software, and to
  13 // permit persons to whom the Software is furnished to do so, subject to
  14 // the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be
  17 // included in all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26 //
  27 using System;
  28 using System.IO;
  29 using System.Collections.ObjectModel;
  30 using System.ServiceModel;
  31 using System.Text;
  32 using System.Xml;
  33
  34 namespace System.ServiceModel.Channels
  35 {
  36         internal class TextMessageEncoder : MessageEncoder
  37         {
  38                 Encoding encoding;
  39                 MessageVersion version;
  40
  41                 public TextMessageEncoder (MessageVersion version, Encoding encoding)
  42                 {
  43                         this.version = version;
  44                         this.encoding = encoding;
  45                 }
  46
  47                 public override string ContentType {
  48                         get { return String.Concat (MediaType, "; charset=", encoding.WebName); }
  49                 }
  50
  51                 public override string MediaType {
  52                         get { return version.Envelope == EnvelopeVersion.Soap12 ? "application/soap+xml" : "text/xml";  }
  53                 }
  54
  55                 public override MessageVersion MessageVersion {
  56                         get { return version; }
  57                 }
  58
  59                 [MonoTODO]
  60                 public override Message ReadMessage (ArraySegment<byte> buffer,
  61                         BufferManager bufferManager, string contentType)
  62                 {
  63                         return Message.CreateMessage (
  64                                 XmlDictionaryReader.CreateDictionaryReader (
  65                                         XmlReader.Create (new StreamReader (
  66                                                 new MemoryStream (
  67                                                 buffer.Array, buffer.Offset,
  68                                                 buffer.Count), encoding))),
  69                                 // FIXME: supply max header size
  70                                 int.MaxValue,
  71                                 version);
  72                 }
  73
  74                 [MonoTODO]
  75                 public override Message ReadMessage (Stream stream,
  76                         int maxSizeOfHeaders, string contentType)
  77                 {
  78                         return Message.CreateMessage (
  79                                 XmlDictionaryReader.CreateDictionaryReader (
  80                                         XmlReader.Create (new StreamReader (stream, encoding))),
  81                                 maxSizeOfHeaders,
  82                                 version);
  83                 }
  84
  85                 public override void WriteMessage (Message message, Stream stream)
  86                 {
  87                         if (message == null)
  88                                 throw new ArgumentNullException ("message");
  89                         if (stream == null)
  90                                 throw new ArgumentNullException ("stream");
  91                         VerifyMessageVersion (message);
  92
  93                         XmlWriterSettings s = new XmlWriterSettings ();
  94                         s.Encoding = encoding;
  95                         using (XmlWriter w = XmlWriter.Create (stream, s)) {
  96                                 message.WriteMessage (
  97                                         XmlDictionaryWriter.CreateDictionaryWriter (w));
  98                         }
  99                 }
 100
 101                 [MonoTODO]
 102                 public override ArraySegment<byte> WriteMessage (
 103                         Message message, int maxMessageSize,
 104                         BufferManager bufferManager, int messageOffset)
 105                 {
 106                         VerifyMessageVersion (message);
 107
 108                         ArraySegment<byte> seg = new ArraySegment<byte> (
 109                                 bufferManager.TakeBuffer (maxMessageSize),
 110                                 messageOffset, maxMessageSize);
 111                         XmlWriterSettings s = new XmlWriterSettings ();
 112                         s.Encoding = encoding;
 113                         using (XmlWriter w = XmlWriter.Create (
 114                                 new MemoryStream (seg.Array, seg.Offset, seg.Count), s)) {
 115                                 message.WriteMessage (
 116                                         XmlDictionaryWriter.CreateDictionaryWriter (w));
 117                         }
 118                         return seg;
 119                 }
 120         }
 121 }