net/http: add some examples

R=golang-dev, dsymonds, adg, rogpeppe, bradfitz
CC=golang-dev
https://golang.org/cl/5673052

diff --git a/src/pkg/net/http/example_test.go b/src/pkg/net/http/example_test.go
new file mode 100644 (file)
index 0000000..2584afc
--- /dev/null
+++ b/src/pkg/net/http/example_test.go
@@ -0,0 +1,51 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package http_test
+
+import (
+       "fmt"
+       "io/ioutil"
+       "log"
+       "net/http"
+)
+
+func ExampleHijacker() {
+       http.HandleFunc("/hijack", func(w http.ResponseWriter, r *http.Request) {
+               hj, ok := w.(http.Hijacker)
+               if !ok {
+                       http.Error(w, "webserver doesn't support hijacking", http.StatusInternalServerError)
+                       return
+               }
+               conn, bufrw, err := hj.Hijack()
+               if err != nil {
+                       http.Error(w, err.Error(), http.StatusInternalServerError)
+                       return
+               }
+               // Don't forget to close the connection:
+               defer conn.Close()
+               bufrw.WriteString("Now we're speaking raw TCP. Say hi: ")
+               bufrw.Flush()
+               s, err := bufrw.ReadString('\n')
+               if err != nil {
+                       log.Printf("error reading string: %v", err)
+                       return
+               }
+               fmt.Fprintf(bufrw, "You said: %q\nBye.\n", s)
+               bufrw.Flush()
+       })
+}
+
+func ExampleGet() {
+       res, err := http.Get("http://www.google.com/robots.txt")
+       if err != nil {
+               log.Fatal(err)
+       }
+       robots, err := ioutil.ReadAll(res.Body)
+       if err != nil {
+               log.Fatal(err)
+       }
+       res.Body.Close()
+       fmt.Printf("%s", robots)
+}