func()

in pkg/printers/json.go [34:79]

• 40 lines of code
• 10 McCabe index (conditional complexity)

func (p *JSONPrinter) PrintObj(obj runtime.Object, w io.Writer) error {
	// we use reflect.Indirect here in order to obtain the actual value from a pointer.
	// we need an actual value in order to retrieve the package path for an object.
	// using reflect.Indirect indiscriminately is valid here, as all runtime.Objects are supposed to be pointers.
	if InternalObjectPreventer.IsForbidden(reflect.Indirect(reflect.ValueOf(obj)).Type().PkgPath()) {
		return fmt.Errorf(InternalObjectPrinterErr)
	}

	switch obj := obj.(type) {
	case *metav1.WatchEvent:
		if InternalObjectPreventer.IsForbidden(reflect.Indirect(reflect.ValueOf(obj.Object.Object)).Type().PkgPath()) {
			return fmt.Errorf(InternalObjectPrinterErr)
		}
		data, err := json.Marshal(obj)
		if err != nil {
			return err
		}
		_, err = w.Write(data)
		if err != nil {
			return err
		}
		_, err = w.Write([]byte{'\n'})
		return err
	case *runtime.Unknown:
		var buf bytes.Buffer
		err := json.Indent(&buf, obj.Raw, "", "    ")
		if err != nil {
			return err
		}
		buf.WriteRune('\n')
		_, err = buf.WriteTo(w)
		return err
	}

	if obj.GetObjectKind().GroupVersionKind().Empty() {
		return fmt.Errorf("missing apiVersion or kind; try GetObjectKind().SetGroupVersionKind() if you know the type")
	}

	data, err := json.MarshalIndent(obj, "", "    ")
	if err != nil {
		return err
	}
	data = append(data, '\n')
	_, err = w.Write(data)
	return err
}