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context.go
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context.go
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package beego
import (
"fmt"
"mime"
"net/http"
"strings"
"time"
)
type Context struct {
ResponseWriter http.ResponseWriter
Request *http.Request
Params map[string]string
}
func (ctx *Context) WriteString(content string) {
ctx.ResponseWriter.Write([]byte(content))
}
func (ctx *Context) Abort(status int, body string) {
ctx.ResponseWriter.WriteHeader(status)
ctx.ResponseWriter.Write([]byte(body))
}
func (ctx *Context) Redirect(status int, url_ string) {
ctx.ResponseWriter.Header().Set("Location", url_)
ctx.ResponseWriter.WriteHeader(status)
}
func (ctx *Context) NotModified() {
ctx.ResponseWriter.WriteHeader(304)
}
func (ctx *Context) NotFound(message string) {
ctx.ResponseWriter.WriteHeader(404)
ctx.ResponseWriter.Write([]byte(message))
}
//Sets the content type by extension, as defined in the mime package.
//For example, ctx.ContentType("json") sets the content-type to "application/json"
func (ctx *Context) ContentType(ext string) {
if !strings.HasPrefix(ext, ".") {
ext = "." + ext
}
ctype := mime.TypeByExtension(ext)
if ctype != "" {
ctx.ResponseWriter.Header().Set("Content-Type", ctype)
}
}
func (ctx *Context) SetHeader(hdr string, val string, unique bool) {
if unique {
ctx.ResponseWriter.Header().Set(hdr, val)
} else {
ctx.ResponseWriter.Header().Add(hdr, val)
}
}
//Sets a cookie -- duration is the amount of time in seconds. 0 = forever
func (ctx *Context) SetCookie(name string, value string, age int64) {
var utctime time.Time
if age == 0 {
// 2^31 - 1 seconds (roughly 2038)
utctime = time.Unix(2147483647, 0)
} else {
utctime = time.Unix(time.Now().Unix()+age, 0)
}
cookie := fmt.Sprintf("%s=%s; expires=%s", name, value, webTime(utctime))
ctx.SetHeader("Set-Cookie", cookie, false)
}