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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System.Globalization;
using System.IO;
using System.Text;
using System.Xml;
class JavascriptXmlWriterWrapper : XmlDictionaryWriter
{
Encoding encoding;
Stream stream;
XmlDictionaryWriter xmlJsonWriter;
byte[] encodedClosingFunctionCall;
public JavascriptXmlWriterWrapper(Encoding encoding)
{
this.encoding = encoding;
this.encodedClosingFunctionCall = this.encoding.GetBytes(");");
}
public JavascriptCallbackResponseMessageProperty JavascriptResponseMessageProperty
{
get;
set;
}
public XmlDictionaryWriter XmlJsonWriter
{
get { return this.xmlJsonWriter; }
}
public override void Close()
{
this.xmlJsonWriter.Close();
}
public override void Flush()
{
this.xmlJsonWriter.Flush();
}
public override string LookupPrefix(string ns)
{
return this.xmlJsonWriter.LookupPrefix(ns);
}
public override void WriteBase64(byte[] buffer, int index, int count)
{
this.xmlJsonWriter.WriteBase64(buffer, index, count);
}
public override void WriteCData(string text)
{
this.xmlJsonWriter.WriteCData(text);
}
public override void WriteCharEntity(char ch)
{
this.xmlJsonWriter.WriteCharEntity(ch);
}
public override void WriteChars(char[] buffer, int index, int count)
{
this.xmlJsonWriter.WriteChars(buffer, index, count);
}
public override void WriteComment(string text)
{
this.xmlJsonWriter.WriteComment(text);
}
public override void WriteDocType(string name, string pubid, string sysid, string subset)
{
this.xmlJsonWriter.WriteDocType(name, pubid, sysid, subset);
}
public override void WriteEndAttribute()
{
this.xmlJsonWriter.WriteEndAttribute();
}
public override void WriteEndDocument()
{
this.xmlJsonWriter.WriteEndDocument();
if (this.JavascriptResponseMessageProperty != null &&
!String.IsNullOrEmpty(this.JavascriptResponseMessageProperty.CallbackFunctionName))
{
this.xmlJsonWriter.Flush();
if (this.JavascriptResponseMessageProperty.StatusCode != null && (int)this.JavascriptResponseMessageProperty.StatusCode != 200)
{
byte[] buffer = this.encoding.GetBytes(String.Format(CultureInfo.InvariantCulture, ",{0}", (int)this.JavascriptResponseMessageProperty.StatusCode));
this.stream.Write(buffer, 0, buffer.Length);
}
this.stream.Write(this.encodedClosingFunctionCall, 0, this.encodedClosingFunctionCall.Length);
}
}
public override void WriteEndElement()
{
this.xmlJsonWriter.WriteEndElement();
}
public override void WriteEntityRef(string name)
{
this.xmlJsonWriter.WriteEntityRef(name);
}
public override void WriteFullEndElement()
{
this.xmlJsonWriter.WriteFullEndElement();
}
public override void WriteProcessingInstruction(string name, string text)
{
this.xmlJsonWriter.WriteProcessingInstruction(name, text);
}
public override void WriteRaw(string data)
{
this.xmlJsonWriter.WriteRaw(data);
}
public override void WriteRaw(char[] buffer, int index, int count)
{
this.xmlJsonWriter.WriteRaw(buffer, index, count);
}
public override void WriteStartAttribute(string prefix, string localName, string ns)
{
this.xmlJsonWriter.WriteStartAttribute(prefix, localName, ns);
}
public override void WriteStartDocument(bool standalone)
{
StartJsonMessage();
this.xmlJsonWriter.WriteStartDocument(standalone);
}
public override void WriteStartDocument()
{
StartJsonMessage();
this.xmlJsonWriter.WriteStartDocument();
}
void StartJsonMessage()
{
if (this.JavascriptResponseMessageProperty != null &&
!String.IsNullOrEmpty(this.JavascriptResponseMessageProperty.CallbackFunctionName))
{
byte[] buffer = this.encoding.GetBytes(String.Format(CultureInfo.InvariantCulture, "{0}(", this.JavascriptResponseMessageProperty.CallbackFunctionName));
this.stream.Write(buffer, 0, buffer.Length);
}
}
public override void WriteStartElement(string prefix, string localName, string ns)
{
this.xmlJsonWriter.WriteStartElement(prefix, localName, ns);
}
public override WriteState WriteState
{
get { return this.xmlJsonWriter.WriteState; }
}
public override void WriteString(string text)
{
this.xmlJsonWriter.WriteString(text);
}
public override void WriteSurrogateCharEntity(char lowChar, char highChar)
{
this.xmlJsonWriter.WriteSurrogateCharEntity(lowChar, highChar);
}
public override void WriteWhitespace(string ws)
{
this.xmlJsonWriter.WriteWhitespace(ws);
}
public void SetOutput(Stream stream, XmlDictionaryWriter writer)
{
this.stream = stream;
this.xmlJsonWriter = writer;
}
}
}
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