Added support for redirects

README.md

@@ -228,7 +228,7 @@ func main() {
 }
 ```
 
-#### XML, and JSON rendering
+#### XML and JSON rendering
 
 ```go
 func main() {
@@ -297,6 +297,16 @@ func main() {
 }
 ```
 
+#### Redirects
+
+Issuing a HTTP redirect is easy:
+
+```r.GET("/test", func(c *gin.Context) {
+	c.Redirect("http://www.google.com/", 302)
+})
+
+Both internal and external locations are supported.
+```
 
 #### Custom Middlewares
 

context.go

@@ -247,6 +247,11 @@ func (c *Context) String(code int, format string, values ...interface{}) {
 	c.Render(code, render.Plain, format, values)
 }
 
+// Returns a 302 redirect to the specific location.
+func (c *Context) Redirect(location string, code int) {
+	c.Render(302, render.Redirect, location, code)
+}
+
 // Writes some data into the body stream and updates the HTTP code.
 func (c *Context) Data(code int, contentType string, data []byte) {
 	if len(contentType) > 0 {

render/render.go

@@ -22,6 +22,9 @@ type (
 	// Plain text
 	plainRender struct{}
 
+	// Redirects
+	redirectRender struct{}
+
 	// form binding
 	HTMLRender struct {
 		Template *template.Template
@@ -32,6 +35,7 @@ var (
 	JSON     = jsonRender{}
 	XML      = xmlRender{}
 	Plain    = plainRender{}
+	Redirect = redirectRender{}
 )
 
 func writeHeader(w http.ResponseWriter, code int, contentType string) {
@@ -47,6 +51,12 @@ func (_ jsonRender) Render(w http.ResponseWriter, code int, data ...interface{})
 	return encoder.Encode(data[0])
 }
 
+func (_ redirectRender) Render(w http.ResponseWriter, code int, data ...interface{}) error {
+	w.Header().Set("Location", data[0].(string))
+	w.WriteHeader(data[1].(int))
+	return nil
+}
+
 func (_ xmlRender) Render(w http.ResponseWriter, code int, data ...interface{}) error {
 	writeHeader(w, code, "application/xml")
 	encoder := xml.NewEncoder(w)