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<?php defined('_JEXEC') or die;
/**
 * @package   Fox Contact for Joomla
 * @copyright Copyright (c) Fox Labs, all rights reserved.
 * @license   Distributed under the terms of the GNU General Public License GNU/GPL v3 http://www.gnu.org/licenses/gpl-3.0.html
 * @see       Documentation: http://www.fox.ra.it/forum/2-documentation.html
 */

class Swift_Preferences
{
	private static $_instance = null;
	
	private function __construct()
	{
	}
	
	
	public static function getInstance()
	{
		if (!isset(self::$_instance))
		{
			self::$_instance = new self();
		}
		
		return self::$_instance;
	}
	
	
	public function setCharset($charset)
	{
		Swift_DependencyContainer::getInstance()->register('properties.charset')->asValue($charset);
		return $this;
	}
	
	
	public function setTempDir($dir)
	{
		Swift_DependencyContainer::getInstance()->register('tempdir')->asValue($dir);
		return $this;
	}
	
	
	public function setCacheType($type)
	{
		Swift_DependencyContainer::getInstance()->register('cache')->asAliasOf(sprintf('cache.%s', $type));
		return $this;
	}
	
	
	public function setQPDotEscape($dotEscape)
	{
		$dotEscape = !empty($dotEscape);
		Swift_DependencyContainer::getInstance()->register('mime.qpcontentencoder')->asNewInstanceOf('Swift_Mime_ContentEncoder_QpContentEncoder')->withDependencies(array('mime.charstream', 'mime.bytecanonicalizer'))->addConstructorValue($dotEscape);
		return $this;
	}

}

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