Vendor main dependencies.

vendor/github.com/vulcand/oxy/cbreaker/fallback.go

@@ -0,0 +1,56 @@
+package cbreaker
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+	"strconv"
+)
+
+type Response struct {
+	StatusCode  int
+	ContentType string
+	Body        []byte
+}
+
+type ResponseFallback struct {
+	r Response
+}
+
+func NewResponseFallback(r Response) (*ResponseFallback, error) {
+	if r.StatusCode == 0 {
+		return nil, fmt.Errorf("response code should not be 0")
+	}
+	return &ResponseFallback{r: r}, nil
+}
+
+func (f *ResponseFallback) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	if f.r.ContentType != "" {
+		w.Header().Set("Content-Type", f.r.ContentType)
+	}
+	w.Header().Set("Content-Length", strconv.Itoa(len(f.r.Body)))
+	w.WriteHeader(f.r.StatusCode)
+	w.Write(f.r.Body)
+}
+
+type Redirect struct {
+	URL string
+}
+
+type RedirectFallback struct {
+	u *url.URL
+}
+
+func NewRedirectFallback(r Redirect) (*RedirectFallback, error) {
+	u, err := url.ParseRequestURI(r.URL)
+	if err != nil {
+		return nil, err
+	}
+	return &RedirectFallback{u: u}, nil
+}
+
+func (f *RedirectFallback) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	w.Header().Set("Location", f.u.String())
+	w.WriteHeader(http.StatusFound)
+	w.Write([]byte(http.StatusText(http.StatusFound)))
+}