eZ\Publish\Core\REST\Common\Input\Parser\ContentObjectStates::parse PHP Method

    public function parse(array $data, ParsingDispatcher $parsingDispatcher)
    {
        // @todo XSD says that no ObjectState elements is valid,
        // but we should at least have one if setting new states to content?
        if (!array_key_exists('ObjectState', $data) || !is_array($data['ObjectState']) || empty($data['ObjectState'])) {
            throw new Exceptions\Parser("Missing or invalid 'ObjectState' elements for ContentObjectStates.");
        }
        $states = array();
        foreach ($data['ObjectState'] as $rawStateData) {
            if (!array_key_exists('_href', $rawStateData)) {
                throw new Exceptions\Parser("Missing '_href' attribute for ObjectState.");
            }
            $states[] = new RestObjectState(new ObjectState(array('id' => $this->requestParser->parseHref($rawStateData['_href'], 'objectStateId'))), $this->requestParser->parseHref($rawStateData['_href'], 'objectStateGroupId'));
        }
        return $states;
    }