Refactored response

Signed-off-by: Vishal Rana <vr@labstack.com>

context.go

@@ -48,7 +48,7 @@ func (c *Context) Bind(v interface{}) error {
 func (c *Context) Render(code int, name string, data interface{}) error {
 	c.Response.Header().Set(HeaderContentType, MIMEHTML+"; charset=utf-8")
 	c.Response.WriteHeader(code)
-	return c.echo.renderFunc(c.Response.ResponseWriter, name, data)
+	return c.echo.renderFunc(c.Response, name, data)
 }
 
 // JSON sends an application/json response with status code.

context_test.go

@@ -12,7 +12,7 @@ func TestContext(t *testing.T) {
 	b, _ := json.Marshal(u1)
 	r, _ := http.NewRequest(POST, "/users/1", bytes.NewReader(b))
 	c := &Context{
-		Response: &response{ResponseWriter: httptest.NewRecorder()},
+		Response: &response{writer: httptest.NewRecorder()},
 		Request:  r,
 		params:   make(Params, 5),
 		store:    make(store),

response.go

@@ -1,62 +1,40 @@
 package echo
 
 import (
-	"bufio"
-	"errors"
 	"log"
-	"net"
 	"net/http"
 )
 
 type (
 	response struct {
-		http.ResponseWriter
+		writer    http.ResponseWriter
 		status    int
 		size      int
 		committed bool
 	}
 )
 
+func (r *response) Header() http.Header {
+	return r.writer.Header()
+}
+
 func (r *response) WriteHeader(n int) {
-	// TODO: fix when halted.
 	if r.committed {
 		// TODO: Warning
 		log.Println("echo: response already committed")
 		return
 	}
 	r.status = n
-	r.ResponseWriter.WriteHeader(n)
+	r.writer.WriteHeader(n)
 	r.committed = true
 }
 
 func (r *response) Write(b []byte) (n int, err error) {
-	n, err = r.ResponseWriter.Write(b)
+	n, err = r.writer.Write(b)
 	r.size += n
 	return n, err
 }
 
-func (r *response) CloseNotify() <-chan bool {
-	cn, ok := r.ResponseWriter.(http.CloseNotifier)
-	if !ok {
-		return nil
-	}
-	return cn.CloseNotify()
-}
-
-func (r *response) Flusher() {
-	if f, ok := r.ResponseWriter.(http.Flusher); ok {
-		f.Flush()
-	}
-}
-
-func (r *response) Hijack() (net.Conn, *bufio.ReadWriter, error) {
-	h, ok := r.ResponseWriter.(http.Hijacker)
-	if !ok {
-		return nil, nil, errors.New("echo: hijacker interface not supported")
-	}
-	return h.Hijack()
-}
-
 func (r *response) Status() int {
 	return r.status
 }
@@ -66,6 +44,6 @@ func (r *response) Size() int {
 }
 
 func (r *response) reset(w http.ResponseWriter) {
-	r.ResponseWriter = w
+	r.writer = w
 	r.committed = false
 }

response_test.go

@@ -20,14 +20,6 @@ func TestResponse(t *testing.T) {
 		if c.Response.Status() != http.StatusOK {
 			t.Error("size should be 5")
 		}
-
-		// TODO: fix us later
-		c.Response.CloseNotify()
-		c.Response.Flusher()
-		c.Response.Hijack()
-
-		// Reset
-		c.Response.reset(c.Response.ResponseWriter)
 	})
 	w := httptest.NewRecorder()
 	r, _ := http.NewRequest("GET", "/hello", nil)

router.go

@@ -216,7 +216,7 @@ func (r *router) Find(method, path string) (h HandlerFunc, c *Context, echo *Ech
 
 func (r *router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	h, c, _ := r.Find(req.Method, req.URL.Path)
-	c.Response.ResponseWriter = w
+	c.Response.writer = w
 	if h != nil {
 		h(c)
 	} else {