IContentNegotiator.Negotiate Method
Performs content negotiating by selecting the most appropriate MediaTypeFormatter out of the passed in formatters for the given request that can serialize an object of the given type.
Namespace: System.Net.Http.Formatting
Assembly: System.Net.Http.Formatting (in System.Net.Http.Formatting.dll)
Syntax
'Declaration
Function Negotiate ( _
type As Type, _
request As HttpRequestMessage, _
formatters As IEnumerable(Of MediaTypeFormatter) _
) As ContentNegotiationResult
'Usage
Dim instance As IContentNegotiator
Dim type As Type
Dim request As HttpRequestMessage
Dim formatters As IEnumerable(Of MediaTypeFormatter)
Dim returnValue As ContentNegotiationResult
returnValue = instance.Negotiate(type, _
request, formatters)
ContentNegotiationResult Negotiate(
Type type,
HttpRequestMessage request,
IEnumerable<MediaTypeFormatter> formatters
)
ContentNegotiationResult^ Negotiate(
Type^ type,
HttpRequestMessage^ request,
IEnumerable<MediaTypeFormatter^>^ formatters
)
abstract Negotiate :
type:Type *
request:HttpRequestMessage *
formatters:IEnumerable<MediaTypeFormatter> -> ContentNegotiationResult
function Negotiate(
type : Type,
request : HttpRequestMessage,
formatters : IEnumerable<MediaTypeFormatter>
) : ContentNegotiationResult
Parameters
type
Type: System.TypeThe type to be serialized.
request
Type: HttpRequestMessageRequest message, which contains the header values used to perform negotiation.
formatters
Type: System.Collections.Generic.IEnumerable<MediaTypeFormatter>The set of MediaTypeFormatter objects from which to choose.
Return Value
Type: System.Net.Http.Formatting.ContentNegotiationResult
The result of the negotiation containing the most appropriate MediaTypeFormatter instance, or null if there is no appropriate formatter.
Remarks
Implementations of this method should call <see cref="M:System.Net.Http.Formatting.MediaTypeFormatter.GetPerRequestFormatterInstance(System.Type,System.Net.Http.HttpRequestMessage,System.Net.Http.Headers.MediaTypeHeaderValue)" /> on the selected MediaTypeFormatter and return the result of that method.