Add the following configuration to the web.config file at the WCF section level:

Question

Your internet application has a WCF service that allows you to manipulate order data. This service is currently used by a .NET application internal to your information system.

Orders must now also be manipulated by an external application, written in PHP by developers who know the REST protocol.

The PHP developers ask you to make the method of updating the status of an order available on URLs of the form:

HTTP POST http://localhost/OrderService.svc/update-status/1347128?status=Shipped

The response must be sent in XML or JSON format depending on the value of the HTTP header
« Accept ». What do you need to do for this?

Accepted Answer

Decorate the existing method of updating the status of orders with the following code:

Accepted Answer

Add the following configuration in the web.config file at the WCF section level:

Answer

Use the WebOperationContext object to determine the value of the HTTP header « Accept », then dynamically set the value of the ContentType property of the HTTP response to « text/json » or « text/xml » depending on the expected response.

Question from the WCF test

Add the following configuration to the web.config file at the WCF section level: