57 lines
1.7 KiB
PHP
57 lines
1.7 KiB
PHP
<?php
|
|
|
|
/**
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; under version 2
|
|
* of the License (non-upgradable).
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* Copyright (c) 2015 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
|
|
* @author Mikhail Kamarouski, <kamarouski@1pt.com>
|
|
*/
|
|
|
|
namespace oat\taoItems\model\pack\encoders;
|
|
|
|
use oat\tao\model\media\MediaAsset;
|
|
use oat\taoItems\model\pack\ExceptionMissingAsset;
|
|
|
|
/**
|
|
* Class Base64Encoder
|
|
* Helper, encode file for embedding using base64 algorithm
|
|
* @package oat\taoItems\model\pack\encoders
|
|
*/
|
|
class Base64Encoder implements Encoding
|
|
{
|
|
public function __construct()
|
|
{
|
|
}
|
|
|
|
/**
|
|
* @param string|MediaAsset $data content to encode
|
|
*
|
|
* @return string
|
|
* @throws ExceptionMissingAsset
|
|
*/
|
|
public function encode($data)
|
|
{
|
|
if ($data instanceof MediaAsset) {
|
|
$mediaSource = $data->getMediaSource();
|
|
$data = $mediaSource->getBaseName($data->getMediaIdentifier());
|
|
}
|
|
|
|
if (is_string($data)) {
|
|
return base64_encode($data);
|
|
}
|
|
throw new ExceptionMissingAsset('Incorrect asset type - cann\'t be encoded ' . $data);
|
|
}
|
|
}
|