HSP.Env.Request

An interface to a request object as held in the HSP environment.

Documentation

data Request

A record representing an interface to an HTTP request. This allows us to use many different underlying types for these requests, all we need is to supply conversions to this interface. This is useful for when we run as CGI, or when we run inside a server app.

Constructors

Request

Fields

getParameterL :: String -> [String]

getHeaders :: [(String, String)]

getParameter :: Request -> String -> Maybe String

Get a parameter from the request query string (GET) or body (POST). | Returns Nothing if the parameter is not set.

getParameter_ :: Request -> String -> String

Unsafe version of getParameter, essentially fromJust.(getParameter r) but throws a ParameterLookupFailed exception if the parameter is not set.

readParameter :: Read a => Request -> String -> Maybe a

Return a value instead of a string.

readParameterL :: Read a => Request -> String -> [a]

Return a list of values read from their string representations.

readParameter_ :: Read a => Request -> String -> a

Unsafe version of readParameter