<?php
/**
 * A custom view class that is used for XML responses
 *
 * PHP 5
 *
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
 * Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright 2005-2011, Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://cakephp.org CakePHP(tm) Project
 * @package       Cake.View
 * @since         CakePHP(tm) v 2.1.0
 * @license       MIT License (http://www.opensource.org/licenses/mit-license.php)
 */

App::uses('View', 'View');
App::uses('Xml', 'Utility');

/**
 * XmlView
 *
 * @package       Cake.View
 */
class XmlView extends View {

/**
 * Constructor
 *
 * @param Controller $controller
 */
	public function __construct($controller) {
		parent::__construct($controller);

		if (is_object($controller)) {
			$controller->response->type('xml');
		}
	}

/**
 * Render a XML view.
 *
 * Uses the special 'serialize' parameter to convert a set of
 * view variables into a XML response.  Makes generating simple 
 * XML responses very easy.  You can omit the 'serialize' parameter, 
 * and use a normal view + layout as well.
 *
 * @param string $view The view being rendered.
 * @param string $layout The layout being rendered.
 * @return string The rendered view.
 */
	public function render($view = null, $layout = null) {
		if (isset($this->viewVars['serialize']) && is_array($this->viewVars['serialize'])) {
			return $this->output = Xml::fromArray($this->viewVars['serialize'])->asXML();
		}
		return parent::render($view, $layout);
	}

}