public void RegisterOperation(string operationName, MultiplexingDispatchMessageFormatter formatter)
{
if (formatter == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("formatter");
}
Fx.Assert(!this.formatters.ContainsKey(operationName), "An operation should only be registered once.");
this.formatters.Add(operationName, formatter);
this.caches.Add(operationName, new NameValueCache<FormatContentTypePair>(maxCachedAcceptHeaders));
}
protected virtual IDispatchMessageFormatter GetReplyDispatchFormatter(OperationDescription operationDescription, ServiceEndpoint endpoint)
{
if (operationDescription.Messages.Count < 2)
{
return null;
}
ValidateBodyParameters(operationDescription, false);
WebMessageFormat responseFormat = GetResponseFormat(operationDescription);
// Determine if we should add a json formatter; If the ResponseFormat is json, we always add the json formatter even if the
// operation is XmlSerializerFormat because the formatter constructor throws the exception: "json not valid with XmlSerializerFormat" [Microsoft]
bool useJson = (responseFormat == WebMessageFormat.Json || SupportsJsonFormat(operationDescription));
IDispatchMessageFormatter innerFormatter;
Type type;
if (TryGetStreamParameterType(operationDescription.Messages[1], operationDescription, false, out type))
{
innerFormatter = new ContentTypeSettingDispatchMessageFormatter(defaultStreamContentType, new HttpStreamFormatter(operationDescription));
}
else if (IsUntypedMessage(operationDescription.Messages[1]))
{
innerFormatter = new MessagePassthroughFormatter();
}
else
{
Type parameterType;
WebMessageBodyStyle style = GetBodyStyle(operationDescription);
Dictionary<WebMessageFormat, IDispatchMessageFormatter> formatters = new Dictionary<WebMessageFormat, IDispatchMessageFormatter>();
if (UseBareReplyFormatter(style, operationDescription, responseFormat, out parameterType))
{
formatters.Add(WebMessageFormat.Xml, SingleBodyParameterMessageFormatter.CreateDispatchFormatter(operationDescription, parameterType, false, false, this.xmlSerializerManager, null));
if (useJson)
{
formatters.Add(WebMessageFormat.Json, SingleBodyParameterMessageFormatter.CreateDispatchFormatter(operationDescription, parameterType, false, true, this.xmlSerializerManager, this.JavascriptCallbackParameterName));
}
}
else
{
MessageDescription temp = operationDescription.Messages[0];
operationDescription.Messages[0] = MakeDummyMessageDescription(MessageDirection.Input);
formatters.Add(WebMessageFormat.Xml, GetDefaultDispatchFormatter(operationDescription, false, !IsBareResponse(style)));
if (useJson)
{
formatters.Add(WebMessageFormat.Json, GetDefaultDispatchFormatter(operationDescription, true, !IsBareResponse(style)));
}
operationDescription.Messages[0] = temp;
}
innerFormatter = new MultiplexingDispatchMessageFormatter(formatters, responseFormat);
}
return innerFormatter;
}