nextcloud/lib/public/Files/SimpleFS/InMemoryFile.php

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018, Michael Weimann <mail@michael-weimann.eu>
*
* @author Michael Weimann <mail@michael-weimann.eu>
* @author Morris Jobke <hey@morrisjobke.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCP\Files\SimpleFS;
use OCP\Files\NotPermittedException;
/**
* This class represents a file that is only hold in memory.
*
* @since 16.0.0
*/
class InMemoryFile implements ISimpleFile {
/**
* Holds the file name.
*
* @var string
*/
private $name;
/**
* Holds the file contents.
*
* @var string
*/
private $contents;
/**
* InMemoryFile constructor.
*
* @param string $name The file name
* @param string $contents The file contents
* @since 16.0.0
*/
public function __construct(string $name, string $contents) {
$this->name = $name;
$this->contents = $contents;
}
/**
* @inheritdoc
* @since 16.0.0
*/
public function getName() {
return $this->name;
}
/**
* @inheritdoc
* @since 16.0.0
*/
public function getSize() {
return strlen($this->contents);
}
/**
* @inheritdoc
* @since 16.0.0
*/
public function getETag() {
return '';
}
/**
* @inheritdoc
* @since 16.0.0
*/
public function getMTime() {
return time();
}
/**
* @inheritdoc
* @since 16.0.0
*/
public function getContent() {
return $this->contents;
}
/**
* @inheritdoc
* @since 16.0.0
*/
public function putContent($data) {
$this->contents = $data;
}
/**
* In memory files can't be deleted.
*
* @since 16.0.0
*/
public function delete() {
// unimplemented for in memory files
}
/**
* @inheritdoc
* @since 16.0.0
*/
public function getMimeType() {
$fileInfo = new \finfo(FILEINFO_MIME_TYPE);
return $fileInfo->buffer($this->contents);
}
/**
* Stream reading is unsupported for in memory files.
*
* @throws NotPermittedException
* @since 16.0.0
*/
public function read() {
throw new NotPermittedException(
'Stream reading is unsupported for in memory files'
);
}
/**
* Stream writing isn't available for in memory files.
*
* @throws NotPermittedException
* @since 16.0.0
*/
public function write() {
throw new NotPermittedException(
'Stream writing is unsupported for in memory files'
);
}
}