<?php
/* $Id$ */
namespace Mammut\Document\Mime;

(defined('MAMMUT') && (basename(__FILE__) != basename($_SERVER['PHP_SELF']))) or die('ACCESS DENIED');

/**
 * 
 *
 * @author Stefan Daurer <s.daurer@q-spot.org>
 * @package Mammut\Documents
 */
class PartGroup extends \Mammut\StrictObject implements \Countable {
	
	private $parts = array();
	
	public function setParts(array $parts) {
		$this->parts = $parts;
	}
	
	public function getParts() {
		return $this->parts;
	}
	
	public function count() {
		if (!is_array($parts))
			return 0;
		return count($this->parts);
	}
	
	public function isMultipart() {
		return ($this->count() > 1);
	}
	
	public function isEmpty() {
		return $this->count() == 0;
	}
}