httputils

Documentation

Index

• func ErrorJSON(w io.Writer, err error) error
• func GetQueryParams(r *http.Request) url.Values
• func RespondJSON(w io.Writer, val promql.Value) error
• type CompressionHandler
  • func (c CompressionHandler) ServeHTTP(writer http.ResponseWriter, req *http.Request)

Functions

func ErrorJSON

func ErrorJSON(w io.Writer, err error) error

ErrorJSON writes the given error JSON-formatted to w.

func GetQueryParams

func GetQueryParams(r *http.Request) url.Values

GetQueryParams calls r.ParseForm and returns r.Form.

func RespondJSON

func RespondJSON(w io.Writer, val promql.Value) error

RespondJSON converts the given data value to JSON and writes it to w.

Types

type CompressionHandler

type CompressionHandler struct {
	Handler http.Handler
}

CompressionHandler is a wrapper around http.Handler which adds suitable response compression based on the client's Accept-Encoding headers.

func (CompressionHandler) ServeHTTP

func (c CompressionHandler) ServeHTTP(writer http.ResponseWriter, req *http.Request)

ServeHTTP adds compression to the original http.Handler's ServeHTTP() method.