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package web
import (
"log"
"net/http"
)
const unknownHandler = `Unknown handler type %T. See http://godoc.org/github.com/zenazn/goji/web#HandlerType for a list of acceptable types.`
type netHTTPHandlerWrap struct{ http.Handler }
type netHTTPHandlerFuncWrap struct {
fn func(http.ResponseWriter, *http.Request)
}
type handlerFuncWrap struct {
fn func(C, http.ResponseWriter, *http.Request)
}
func (h netHTTPHandlerWrap) ServeHTTPC(c C, w http.ResponseWriter, r *http.Request) {
h.Handler.ServeHTTP(w, r)
}
func (h netHTTPHandlerFuncWrap) ServeHTTPC(c C, w http.ResponseWriter, r *http.Request) {
h.fn(w, r)
}
func (h handlerFuncWrap) ServeHTTPC(c C, w http.ResponseWriter, r *http.Request) {
h.fn(c, w, r)
}
func parseHandler(h HandlerType) Handler {
switch f := h.(type) {
case func(c C, w http.ResponseWriter, r *http.Request):
return handlerFuncWrap{f}
case func(w http.ResponseWriter, r *http.Request):
return netHTTPHandlerFuncWrap{f}
case Handler:
return f
case http.Handler:
return netHTTPHandlerWrap{f}
default:
log.Fatalf(unknownHandler, h)
panic("log.Fatalf does not return")
}
}
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