1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
namespace Apache.Qpid.Channel
{
using System;
using System.IO;
using System.ServiceModel.Channels;
using System.ServiceModel;
using System.Xml;
class RawMessageEncoder : MessageEncoder
{
public const string StreamElementName = "Binary";
XmlDictionaryReaderQuotas readerQuotas;
public RawMessageEncoder(XmlDictionaryReaderQuotas quotas)
{
this.readerQuotas = new XmlDictionaryReaderQuotas();
if (quotas != null)
{
quotas.CopyTo(this.readerQuotas);
}
}
public override string ContentType
{
get { return null; }
}
public override bool IsContentTypeSupported(string contentType)
{
return true;
}
public override string MediaType
{
get { return null; }
}
public override MessageVersion MessageVersion
{
get { return MessageVersion.None; }
}
public override Message ReadMessage(ArraySegment<byte> buffer, BufferManager bufferManager, string contentType)
{
RawMessage message = new RawMessage(buffer.Array, buffer.Offset, buffer.Count, bufferManager, readerQuotas);
message.Properties.Encoder = this;
return message;
}
public override Message ReadMessage(Stream stream, int maxSizeOfHeaders, string contentType)
{
RawMessage message = new RawMessage(stream, readerQuotas);
message.Properties.Encoder = this;
return message;
}
private void CheckType(XmlDictionaryReader reader, XmlNodeType type)
{
if (reader.NodeType != type)
{
throw new System.IO.InvalidDataException(String.Format("RawMessageEncoder xml check {0} type should be {1}", type, reader.NodeType));
}
}
public override ArraySegment<byte> WriteMessage(Message message, int maxMessageSize, BufferManager bufferManager, int messageOffset)
{
MemoryStream tempStream = new MemoryStream();
this.WriteMessage(message, tempStream);
int len = messageOffset + (int)tempStream.Length;
byte[] buf = bufferManager.TakeBuffer(len);
MemoryStream targetStream = new MemoryStream(buf);
if (messageOffset > 0)
{
targetStream.Seek(messageOffset, SeekOrigin.Begin);
}
tempStream.WriteTo(targetStream);
targetStream.Close();
return new ArraySegment<byte>(buf, messageOffset, len - messageOffset);
}
public override void WriteMessage(Message message, Stream stream)
{
using (XmlWriter writer = new RawXmlWriter(stream))
{
message.WriteMessage(writer);
writer.Flush();
}
}
}
}
|