github.com/xushiwei/go@v0.0.0-20130601165731-2b9d83f45bc9/src/cmd/godoc/play-local.go (about)

     1  // Copyright 2012 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Stand-alone godoc Playground functionality.
     6  
     7  // +build !appengine
     8  
     9  package main
    10  
    11  import (
    12  	"io"
    13  	"net/http"
    14  	"net/url"
    15  )
    16  
    17  var playgroundScheme, playgroundHost string
    18  
    19  func init() {
    20  	u, err := url.Parse(playgroundBaseURL)
    21  	if err != nil {
    22  		panic(err)
    23  	}
    24  	playgroundScheme = u.Scheme
    25  	playgroundHost = u.Host
    26  }
    27  
    28  // bounceToPlayground forwards the request to play.golang.org.
    29  func bounceToPlayground(w http.ResponseWriter, req *http.Request) {
    30  	defer req.Body.Close()
    31  	req.URL.Scheme = playgroundScheme
    32  	req.URL.Host = playgroundHost
    33  	resp, err := http.Post(req.URL.String(), req.Header.Get("Content-type"), req.Body)
    34  	if err != nil {
    35  		http.Error(w, err.Error(), 500)
    36  		return
    37  	}
    38  	w.WriteHeader(resp.StatusCode)
    39  	io.Copy(w, resp.Body)
    40  	resp.Body.Close()
    41  }