Merge pull request #620 from humboldtux/recorder

middleware: Export ResponseRecorder and add a couple getter methods

middleware/recorder.go

@@ -14,7 +14,7 @@ import (
 // to be written, however, in which case 200 must be assumed.
 // It is best to have the constructor initialize this type
 // with that default status code.
-type responseRecorder struct {
+type ResponseRecorder struct {
 	http.ResponseWriter
 	status int
 	size   int
@@ -27,8 +27,8 @@ type responseRecorder struct {
 // Because a status is not set unless WriteHeader is called
 // explicitly, this constructor initializes with a status code
 // of 200 to cover the default case.
-func NewResponseRecorder(w http.ResponseWriter) *responseRecorder {
-	return &responseRecorder{
+func NewResponseRecorder(w http.ResponseWriter) *ResponseRecorder {
+	return &ResponseRecorder{
 		ResponseWriter: w,
 		status:         http.StatusOK,
 		start:          time.Now(),
@@ -37,14 +37,14 @@ func NewResponseRecorder(w http.ResponseWriter) *responseRecorder {
 
 // WriteHeader records the status code and calls the
 // underlying ResponseWriter's WriteHeader method.
-func (r *responseRecorder) WriteHeader(status int) {
+func (r *ResponseRecorder) WriteHeader(status int) {
 	r.status = status
 	r.ResponseWriter.WriteHeader(status)
 }
 
 // Write is a wrapper that records the size of the body
 // that gets written.
-func (r *responseRecorder) Write(buf []byte) (int, error) {
+func (r *ResponseRecorder) Write(buf []byte) (int, error) {
 	n, err := r.ResponseWriter.Write(buf)
 	if err == nil {
 		r.size += n
@@ -52,9 +52,19 @@ func (r *responseRecorder) Write(buf []byte) (int, error) {
 	return n, err
 }
 
+// Size is a Getter to size property
+func (r *ResponseRecorder) Size() int {
+	return r.size
+}
+
+// Status is a Getter to status property
+func (r *ResponseRecorder) Status() int {
+	return r.status
+}
+
 // Hijacker is a wrapper of http.Hijacker underearth if any,
 // otherwise it just returns an error.
-func (r *responseRecorder) Hijack() (net.Conn, *bufio.ReadWriter, error) {
+func (r *ResponseRecorder) Hijack() (net.Conn, *bufio.ReadWriter, error) {
 	if hj, ok := r.ResponseWriter.(http.Hijacker); ok {
 		return hj.Hijack()
 	}

middleware/replacer.go

@@ -30,7 +30,7 @@ type replacer struct {
 // values into the replacer. rr may be nil if it is not
 // available. emptyValue should be the string that is used
 // in place of empty string (can still be empty string).
-func NewReplacer(r *http.Request, rr *responseRecorder, emptyValue string) Replacer {
+func NewReplacer(r *http.Request, rr *ResponseRecorder, emptyValue string) Replacer {
 	rep := replacer{
 		replacements: map[string]string{
 			"{method}": r.Method,