Golang Context.UPath方法代碼示例

func (this *DynamicHandler) GetControlManager(context *web.Context) (cm *controller.ControlManager) {
	this.mutex.RLock()
	var mod, control, act string = this.module, this.controller, this.action
	this.mutex.RUnlock()

	var acterr error
	var action string

	// if mod is not found, the default mod will be used
	// this allows user to use shortcut path
	// especially when there is only one mod
	if s, err := context.PData.String("module"); err == nil {
		if this.ctrlgroup.HasModule(s) || !this.ctrlgroup.HasController(mod, s) {
			mod = s
		} else {
			// controller.HasController(mod, s) == true
			// move {action} to UPath, {controller} to {action}, {mod} to {controller}
			if tmpact, err := context.PData.String("action"); err == nil {
				lenupath := len(context.UPath) + 1
				tmpupath := make(web.UPath, lenupath)
				tmpupath[0] = tmpact
				copy(tmpupath[1:lenupath], context.UPath)
				context.UPath = tmpupath
			}
			if tmpctrl, err := context.PData.String("controller"); err == nil {
				context.PData["action"] = tmpctrl
			}

			context.PData["controller"] = s
			context.PData["module"] = mod
		}
	}
	if s, err := context.PData.String("controller"); err == nil {
		control = s
	}
	if action, acterr = context.PData.String("action"); acterr == nil {
		act = action
	}
	if act == "" {
		act = "_"
	}

	if ctrl := this.ctrlgroup.Controller(mod, control); ctrl != nil {
		// allows for shortcut action to index
		if acterr == nil && act != "_" && !ctrl.HasAction(act) && ctrl.HasAction("index") {
			act = "_"
			lenupath := len(context.UPath) + 1
			tmpupath := make(web.UPath, lenupath)
			tmpupath[0] = action
			copy(tmpupath[1:lenupath], context.UPath)
			context.UPath = tmpupath
			delete(context.PData, "action")
		}

		cm = controller.NewControlManager(context, ctrl, act)
	}

	return
}

func (this *ControllerHandler) GetControlManager(context *web.Context) (cm *controller.ControlManager) {
	var (
		act    string = this.action
		action string
		acterr error
	)

	if action, acterr = context.PData.String("action"); acterr == nil {
		act = action
	}
	if act == "" {
		act = "_"
	}

	if acterr == nil && act != "_" && !this.controlmeta.HasAction(act) && this.controlmeta.HasAction("index") {
		act = "_"
		lenupath := len(context.UPath) + 1
		tmpupath := make(web.UPath, lenupath)
		tmpupath[0] = action
		copy(tmpupath[1:lenupath], context.UPath)
		context.UPath = tmpupath
		delete(context.PData, "action")
	}

	cm = controller.NewControlManager(context, this.controlmeta, act)

	return
}

func (this *SunnyApp) ServeRequestedEndPoint(w http.ResponseWriter, r *http.Request, rep *router.RequestedEndPoint) {
	atomic.AddInt32(&this.runners, 1)
	defer this.decrunners()

	if atomic.LoadInt32(&this.closed) == 1 || w == nil || r == nil {
		return
	}

	sw := &SunnyResponseWriter{
		Status:         200,
		ResponseWriter: w,
		midwares:       nil,
	}
	w = sw

	var sunctxt *web.Context

	if rep == nil {
		goto notfound
	}

	defer func() {
		if err := recover(); err != nil {
			if re, ok := err.(web.Redirection); ok {
				this.triggerevent(sunctxt, "redirect", map[string]interface{}{"redirection": re})
			} else if e, ok := err.(web.ContextError); ok {
				this.triggerevent(sunctxt, "contexterror", map[string]interface{}{"context.error": e})
				handler.ErrorHtml(w, r, e.Code())
			} else {
				log.Println(err)
				this.triggererror(sunctxt, err)
			}
		}

		if sunctxt != nil {
			log.Println(fmt.Sprintf("ip: %s; r: %s %s; d: %s; %d",
				sunctxt.RemoteAddress().String(), r.Method, r.URL.Path, time.Since(sunctxt.StartTime()).String(),
				w.(*SunnyResponseWriter).Status))
			sunctxt.Close()
		}
		if r.MultipartForm != nil {
			r.MultipartForm.RemoveAll()
		}
	}()

	sunctxt = web.NewSunnyContext(w, r, this.id)
	sunctxt.Event = this.ev.NewSubRouter(event.M{"sunny.context": sunctxt})
	sunctxt.UPath = rep.UPath
	sunctxt.PData = rep.PData
	sunctxt.Ext = rep.Ext
	sunctxt.MaxFileSize = this.MaxFileSize
	sunctxt.ParseRequestData()
	sw.ctxt = sunctxt

	for n, f := range this.resources {
		sunctxt.SetResource(n, f())
	}

	for _, midware := range this.MiddleWares {
		midware.Request(sunctxt)
		defer midware.Cleanup(sunctxt)
	}

	if router.HandleHeaders(sunctxt, rep.EndPoint, rep.Handler) {
		return
	}

	sw.midwares = this.mwareresp
	for _, midware := range this.MiddleWares {
		midware.Body(sunctxt)
	}

	if ctrl, ok := rep.Handler.(controller.ControlHandler); ok {
		ctrlmgr := ctrl.GetControlManager(sunctxt)

		if ctrlmgr == nil {
			goto notfound
		}

		sunctxt.Module = ctrlmgr.ModuleName()
		sunctxt.Controller = ctrlmgr.ControllerName()
		sunctxt.Action = ctrlmgr.ActionName()

		if err := sunctxt.WaitRequestData(); err != nil {
			setreqerror(err, w)
			return
		}

		// TODO: Controller should not matter which is called first..
		// make it a goroutine once determined sunctxt and ctrlmgr is completely thread-safe
		for _, midware := range this.MiddleWares {
			midware.Controller(sunctxt, ctrlmgr)
		}

		state, vw := ctrlmgr.PrepareAndExecute()
		defer ctrlmgr.Cleanup()

		if vw != nil && !sunctxt.IsRedirecting() && !sunctxt.HasError() {
			setFuncMap(sunctxt, vw)

//.........這裏部分代碼省略.........