func (this *Dispatcher) Dispatch(request *io.Request, response *io.Response) Interactor {
_, hasHelpParam := request.GetUniversalParamString("h")
if hasHelpParam {
return this.locator.GetInteractorByName("help")
}
interator := this.locator.GetInteractorByName(request.InteractorName)
if interator == nil {
return this.locator.GetInteractorByName("help")
}
return interator
}
func (this *OptionsApplier) Apply(request *io.Request, response *io.Response) {
var ok bool
_, ok = request.GetUniversalParamString("v")
if ok {
response.SetVerbose(true)
}
_, ok = request.GetUniversalParamString("n")
if ok {
response.SetVerbose(false)
}
}
func (this ParamInteractor) GetParam(paramName string, request *io.Request) ParamValue {
registeredParam := this.GetRegisteredParamByName(paramName)
if ®isteredParam == nil {
return registeredParam
}
paramValue, ok := request.GetInteractorParamString(paramName)
if ok {
registeredParam.Value = paramValue
} else {
registeredParam.Value = registeredParam.DefaultValue
}
return registeredParam
}
func (this HelpShower) Execute(request *io.Request, response *io.Response) {
var helpData help.Container
if request.InteractorNameEmpty() {
helpData = help.CreateGeneralHelpContainer(*this.locator)
response.AddError(errors.New("No interactor name provided"))
} else {
interactor := this.locator.GetInteractorByName(request.InteractorName)
if &interactor == nil {
response.AddErrorMessage("Cannot show help for an unknown interactor " + request.InteractorName)
return
}
helpData = help.CreateInteractorHelpContainer(interactor)
}
helpResponseCreator := &help.HelpResponseCreator{}
helpResponseCreator.CreateHelpResponse(helpData)
}
func (this ParamInteractor) Validate(request *io.Request) error {
missingRequiredParams := []string{}
if len(this.Params) > 0 {
for _, param := range this.Params {
if !param.IsRequired {
continue
}
_, found := request.GetInteractorParamString(param.ParamName)
if !found {
missingRequiredParams = append(missingRequiredParams, param.ParamName)
}
}
}
if len(missingRequiredParams) > 0 {
return errors.New("Missing required interactor param(s): " + strings.Join(missingRequiredParams, ","))
}
if this.ValidatorCallback != nil {
return this.ValidatorCallback(request)
}
return nil
}
func (this *Validator) isInteractorEmpty(request *io.Request) bool {
_, hasHelpOption := request.GetUniversalParamString("h")
return !hasHelpOption && request.InteractorNameEmpty()
}