<?php

/*

 * This file is part of SwiftMailer.

 * (c) 2004-2009 Chris Corbyn

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Provides quick access to each encoding type.

 * 

 * @package Swift

 * @subpackage Encoder

 * @author Chris Corbyn

 */

class Swift_Encoding

{

  /**

   * Get the Encoder that provides 7-bit encoding.

   * 

   * @return Swift_Mime_ContentEncoder

   */

  public static function get7BitEncoding()

  {

    return self::_lookup('mime.7bitcontentencoder');

  }

  /**

   * Get the Encoder that provides 8-bit encoding.

   * 

   * @return Swift_Mime_ContentEncoder

   */

  public static function get8BitEncoding()

  {

    return self::_lookup('mime.8bitcontentencoder');

  }

  /**

   * Get the Encoder that provides Quoted-Printable (QP) encoding.

   * 

   * @return Swift_Mime_ContentEncoder

   */

  public static function getQpEncoding()

  {

    return self::_lookup('mime.qpcontentencoder');

  }

  /**

   * Get the Encoder that provides Base64 encoding.

   * 

   * @return Swift_Mime_ContentEncoder

   */

  public static function getBase64Encoding()

  {

    return self::_lookup('mime.base64contentencoder');

  }

  // -- Private Static Methods

  private static function _lookup($key)

  {

    return Swift_DependencyContainer::getInstance()->lookup($key);

  }

}