vendor/swiftmailer/swiftmailer/lib/classes/Swift/Encoding.php

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<?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.
 *
 * @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 function _lookup($key)
    {
        return Swift_DependencyContainer::getInstance()->lookup($key);