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                 internal Encoding Encoding {
  48                         get { return encoding; }
  49                 }
  50
  51                 public override string ContentType {
  52                         get { return String.Concat (MediaType, "; charset=", encoding.WebName); }
  53                 }
  54
  55                 public override string MediaType {
  56                         get { return version.Envelope == EnvelopeVersion.Soap12 ? "application/soap+xml" : "text/xml";  }
  57                 }
  58
  59                 public override MessageVersion MessageVersion {
  60                         get { return version; }
  61                 }
  62
  63                 [MonoTODO]
  64                 public override Message ReadMessage (ArraySegment<byte> buffer,
  65                         BufferManager bufferManager, string contentType)
  66                 {
  67                         return Message.CreateMessage (
  68                                 XmlDictionaryReader.CreateDictionaryReader (
  69                                         XmlReader.Create (new StreamReader (
  70                                                 new MemoryStream (
  71                                                 buffer.Array, buffer.Offset,
  72                                                 buffer.Count), encoding))),
  73                                 // FIXME: supply max header size
  74                                 int.MaxValue,
  75                                 version);
  76                 }
  77
  78                 [MonoTODO]
  79                 public override Message ReadMessage (Stream stream,
  80                         int maxSizeOfHeaders, string contentType)
  81                 {
  82                         return Message.CreateMessage (
  83                                 XmlDictionaryReader.CreateDictionaryReader (
  84                                         XmlReader.Create (new StreamReader (stream, encoding))),
  85                                 maxSizeOfHeaders,
  86                                 version);
  87                 }
  88
  89                 public override void WriteMessage (Message message, Stream stream)
  90                 {
  91                         if (message == null)
  92                                 throw new ArgumentNullException ("message");
  93                         if (stream == null)
  94                                 throw new ArgumentNullException ("stream");
  95                         VerifyMessageVersion (message);
  96
  97                         XmlWriterSettings s = new XmlWriterSettings ();
  98                         s.Encoding = encoding;
  99                         using (XmlWriter w = XmlWriter.Create (stream, s)) {
 100                                 message.WriteMessage (
 101                                         XmlDictionaryWriter.CreateDictionaryWriter (w));
 102                         }
 103                 }
 104
 105                 [MonoTODO]
 106                 public override ArraySegment<byte> WriteMessage (
 107                         Message message, int maxMessageSize,
 108                         BufferManager bufferManager, int messageOffset)
 109                 {
 110                         VerifyMessageVersion (message);
 111
 112                         ArraySegment<byte> seg = new ArraySegment<byte> (
 113                                 bufferManager.TakeBuffer (maxMessageSize),
 114                                 messageOffset, maxMessageSize);
 115                         XmlWriterSettings s = new XmlWriterSettings ();
 116                         s.Encoding = encoding;
 117                         using (XmlWriter w = XmlWriter.Create (
 118                                 new MemoryStream (seg.Array, seg.Offset, seg.Count), s)) {
 119                                 message.WriteMessage (
 120                                         XmlDictionaryWriter.CreateDictionaryWriter (w));
 121                         }
 122                         return seg;
 123                 }
 124         }
 125 }