package atomfeed

import "errors"

type OutOfLineContent struct {
	*CommonAttributes
	Type MediaType `xml:"type,attr,omitempty"`
	SRC  URI       `xml:"src,attr"`
}

func (o *OutOfLineContent) isContent() bool { return true }

func (o *OutOfLineContent) hasSRC() bool { return true }

func (o *OutOfLineContent) getType() string { return string(o.Type) }

func (o *OutOfLineContent) Check() error {
	if isCompositeMediaType(o.getType()) {
		return errors.New("type attribute of out of line content must not be a composite type")
	}

	if o.SRC == "" {
		return errors.New("src attribute of out of line content empty")
	}

	return nil
}