Removed prinftf from Context#String and Context#HTML, #154

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

context.go

@@ -6,8 +6,6 @@ import (
 	"net/http"
 	"path/filepath"
 
-	"fmt"
-
 	"net/url"
 
 	"bytes"
@@ -60,7 +58,7 @@ func (c *Context) Socket() *websocket.Conn {
 	return c.socket
 }
 
-// Path returns the registered path for a handler.
+// Path returns the registered path for the handler.
 func (c *Context) Path() string {
 	return c.path
 }
@@ -134,31 +132,19 @@ func (c *Context) Render(code int, name string, data interface{}) (err error) {
 	return
 }
 
-// HTML formats according to a format specifier and sends HTML response with
+// HTML sends an HTTP response with status code.
-// status code.
+func (c *Context) HTML(code int, html string) (err error) {
-func (c *Context) HTML(code int, format string, a ...interface{}) (err error) {
-	buf := new(bytes.Buffer)
-	_, err = fmt.Fprintf(buf, format, a...)
-	if err != nil {
-		return err
-	}
 	c.response.Header().Set(ContentType, TextHTMLCharsetUTF8)
 	c.response.WriteHeader(code)
-	c.response.Write(buf.Bytes())
+	c.response.Write([]byte(html))
 	return
 }
 
-// String formats according to a format specifier and sends text response with status
+// String sends a string response with status code.
-// code.
+func (c *Context) String(code int, s string) (err error) {
-func (c *Context) String(code int, format string, a ...interface{}) (err error) {
-	buf := new(bytes.Buffer)
-	_, err = fmt.Fprintf(buf, format, a...)
-	if err != nil {
-		return err
-	}
 	c.response.Header().Set(ContentType, TextPlain)
 	c.response.WriteHeader(code)
-	c.response.Write(buf.Bytes())
+	c.response.Write([]byte(s))
 	return
 }
 

recipes/file-upload/server.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"io"
 	"os"
 
@@ -39,8 +40,8 @@ func upload(c *echo.Context) error {
 			return err
 		}
 	}
-	return c.String(http.StatusOK, "Thank You! %s <%s>, %d files uploaded successfully.",
+	return c.String(http.StatusOK, fmt.Sprintf("Thank You! %s <%s>, %d files uploaded successfully.",
-		name, email, len(files))
+		name, email, len(files)))
 }
 
 func main() {

recipes/streaming-file-upload/server.go

@@ -1,13 +1,15 @@
 package main
 
 import (
+	"fmt"
 	"io/ioutil"
 
-	"github.com/labstack/echo"
-	mw "github.com/labstack/echo/middleware"
 	"io"
 	"net/http"
 	"os"
+
+	"github.com/labstack/echo"
+	mw "github.com/labstack/echo/middleware"
 )
 
 func upload(c *echo.Context) error {
@@ -63,8 +65,8 @@ func upload(c *echo.Context) error {
 		}
 		i++
 	}
-	return c.String(http.StatusOK, "Thank You! %s <%s>, %d files uploaded successfully.",
+	return c.String(http.StatusOK, fmt.Sprintf("Thank You! %s <%s>, %d files uploaded successfully.",
-		name, email, i)
+		name, email, i))
 }
 
 func main() {

website/content/guide/request.md

@@ -8,7 +8,7 @@ menu:
 
 ### Handler path
 
-`Context#Path()` returns the registered path for a handler, it can be used in the
+`Context#Path()` returns the registered path for the handler, it can be used in the
 middleware for logging purpose.
 
 *Example*

website/content/guide/response.md

@@ -89,7 +89,7 @@ Sends an XML HTTP response with status code.
 Context.HTML(code int, html string) error
 ```
 
-Sends an HTML HTTP response with status code.
+Sends an HTML response with status code.
 
 ### String
 
@@ -97,7 +97,7 @@ Sends an HTML HTTP response with status code.
 Context.String(code int, s string) error
 ```
 
-Sends a text/plain HTTP response with status code.
+Sends a string response with status code.
 
 ### File