HATEOAS Tumblog

HTML5 microdata theme featuring HATEOAS content.

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The HATEOAS Tumblog

Using an HTML5 microdata theme and featuring HATEOAS content. 

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How to GET a Cup of Coffee

In this article, Jim Webber, Savas Parastatidis and Ian Robinson show how to drive an application's flow through the use of hypermedia in a RESTful application, using the well-known example from Gregor Hohpe's "Starbucks does not use Two-Phase-Commit" to illustrate how the Web's concepts can be used for integration purposes.

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RESTful web services are one of our core design patterns. Fielding’s thesis identifies four major constraints that identify a RESTful architecture (statelessness, resource-orientation, uniform interface, hypermedia-driven application state). Many “RESTful” APIs only get 3 out of 4 of these; we’ve begun experimenting with using XHTML as a media type for our APIs, and this provides a lot of power in terms of scalability and loose coupling between client and server.