func (r *JsonResult) Write(ctx framework.WebContext) error {
data, err := json.Marshal(r.Value)
if err != nil {
return err
}
ctx.WriteHeader(http.StatusOK)
callback, _ := ctx.Param("callback")
if callback == "" {
//json
ctx.ContentType("application/json")
_, err = ctx.Write(data)
} else {
//jsonp
ctx.ContentType("application/javascript")
_, err = ctx.Write([]byte(fmt.Sprintf(jsonpFormat, callback)))
_, err = ctx.Write(data)
_, err = ctx.Write(jsonpEnclosing)
}
return err
}
//adapted from Revel framework BinaryResult.Apply method
func (r *StreamResult) Write(ctx framework.WebContext) error {
var err error
// If we have a ReadSeeker, delegate to http.ServeContent
if rs, ok := r.Reader.(io.ReadSeeker); ok {
http.ServeContent(ctx, ctx.Req(), r.Name, r.ModTime, rs)
} else {
// Else, do a simple io.Copy.
if r.Length != -1 {
ctx.Header().Set("Content-Length", strconv.FormatInt(r.Length, 10))
}
ctx.WriteHeader(http.StatusOK)
//TODO: use a mime-type to file extension strategy like Revel does
//ctx.ContentType("application/octet-stream")
//ctx.ContentType(ContentTypeByFilename(r.Name))
_, err = io.Copy(ctx, r.Reader)
}
// Close the Reader if we can
if v, ok := r.Reader.(io.Closer); ok {
v.Close()
}
return err
}
func (r *TextResult) Write(ctx framework.WebContext) error {
ctx.WriteHeader(http.StatusOK)
ctx.ContentType("text/plain")
_, err := ctx.Write([]byte(r.Value))
return err
}
func (r *XmlResult) Write(ctx framework.WebContext) error {
data, err := xml.Marshal(r.Value)
if err == nil {
ctx.WriteHeader(http.StatusOK)
ctx.ContentType("application/xml")
ctx.Write(data)
}
return err
}
func (r *GenericResult) Write(ctx framework.WebContext) error {
if r.Status > 0 {
ctx.WriteHeader(r.Status)
} else {
ctx.WriteHeader(http.StatusOK)
}
if r.Message != "" {
ctx.Write([]byte(r.Message))
}
return nil
}
func (r *RedirectResult) Write(ctx framework.WebContext) error {
ctx.Header().Set("Location", r.Url)
ctx.WriteHeader(r.Status)
return nil
}