[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] REST made more concrete still
I had a much better idea of how to do static service declarations (as per IDL or WSDL) for REST web services: http://www.prescod.net/wrdl.html It reflects the underlying Web Architecture much more clearly than my old proposal did. It is consequently simpler. It has first-class concepts of "resource", "representation", "method", "input" and "output". Methods are HTTP methods like PUT, GET, DELETE, YOURMETHOD. Inputs are like HTTP method inputs: headers, query params and body (the URI is implied by the resource!). Outputs are like HTTP outputs: status code, headers and body. Resources know what representations they support and you can navigate from resource to resource through hyperlinks without worrying about the XML or HTML syntax of the representation (unless you want to). Following a hyperlink is a type-safe operation. That's about all the concepts in it. A rough proposal for an API (Java-ish syntax to prove it isn't biased towards dynamic languages) is provided. Everything is statically type checked just as with IDL or WSDL. Of course in Python everything would be done at runtime and thus save a build step. When I implement it I think it will be a really cool tool. Until then, I think it is a useful pedagogic tool for those working on REST Zen. If *you* want to implement it before I get around to it, in whatever language, please do. I'll work with you to clear up any fuzzy parts of the spec. Paul Prescod
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