http-media: Processing HTTP Content-Type and Accept headers

This library is intended to be a comprehensive solution to parsing media types, including quality parameters, in HTTP headers. It addresses parsing of the Content-Type and Accept headers, and includes general data types for matching against the other accept headers as well. It encodes MIME parameters into a MediaType data, and allows the matching of the final value by comparing quality values from the client.

In the following example, the Accept header is parsed, and then matched against a list of server options to serve the appropriate media:

getHeader >>= maybe send406Error sendResourceWith . mapAcceptMedia
    [ ("text/html",        asHtml)
    , ("application/json", asJson)
    ]

Similarly, the Content-Type header can be used to produce a parser for request bodies based on the given content type:

getContentType >>= maybe send415Error readRequestBodyWith . mapContentMedia
    [ ("application/json", parseJson)
    , ("text/plain",       parseText)
    ]

The API is agnostic to your choice of server.

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• http-media-0.2.0.tar.gz [browse] (Cabal source package)
• Package description (as included in the package)

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• TimothyJones

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