Archives
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Specifying mime types for content in WCF Data Services
WCF Data Services provides an specific operator “$value” for retrieving the underline value of any of the properties in exposed resources. Let’s say you have a resource “Configuration” that exposes a field “Xml” whose content should be treated as a mime type “text/xml”. When you execute a query like this to retrieve the value of that field, “myService.svc/Configurations(1)/Xml/$value”, what you get is the content of that field but expressed as plain text (text/plain). This happens because the default behavior for WCF Data Services is to return most of the primitive types as “text/plain” and some others like byte arrays as “application/octet-stream”. So, how do you change that default behavior to retrieve property content with other mime types ?. Here is where the MimeTypeAttribute can be used to change that behavior.
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Professional WCF 4.0: Windows Communication Foundation with .NET 4.0
The book in which I been working on since last year finally went to the light this week. It has been the result of hard work between me and three other Connected Systems MVP, my friend Fabio Cozzolino, Kurt Claeys and Johann Grabner. If you are interested in learning the new features in WCF 4.0, but also WCF in general and how to apply it in real world scenarios, this book is for you. I dedicated three chapters of this book to one of my favorites topics, Security, from the basics to more complicated scenarios with Claim-Based security and Federated authentication using WCF services with Windows Identity Foundation. You can find more information about the book and the table of contents in the Wrox web site here.