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<?php |
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/** |
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* @copyright Copyright (c) 2016 Robin Appelman <[email protected]> |
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* |
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* @author Robin Appelman <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OC\Files\ObjectStore; |
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use OCP\Files\ObjectStore\IObjectStore; |
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use OCP\Files\Storage\IStorage; |
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/** |
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* Object store that wraps a storage backend, mostly for testing purposes |
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*/ |
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class StorageObjectStore implements IObjectStore { |
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/** @var IStorage */ |
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private $storage; |
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/** |
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* @param IStorage $storage |
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*/ |
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public function __construct(IStorage $storage) { |
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$this->storage = $storage; |
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} |
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/** |
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* @return string the container or bucket name where objects are stored |
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* @since 7.0.0 |
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*/ |
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function getStorageId() { |
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$this->storage->getId(); |
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} |
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/** |
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* @param string $urn the unified resource name used to identify the object |
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* @return resource stream with the read data |
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* @throws \Exception when something goes wrong, message will be logged |
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* @since 7.0.0 |
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*/ |
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function readObject($urn) { |
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$handle = $this->storage->fopen($urn, 'r'); |
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if ($handle) { |
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return $handle; |
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} else { |
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throw new \Exception(); |
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} |
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} |
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/** |
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* @param string $urn the unified resource name used to identify the object |
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* @param resource $stream stream with the data to write |
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* @throws \Exception when something goes wrong, message will be logged |
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* @since 7.0.0 |
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*/ |
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function writeObject($urn, $stream) { |
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$handle = $this->storage->fopen($urn, 'w'); |
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if ($handle) { |
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stream_copy_to_stream($stream, $handle); |
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fclose($handle); |
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} else { |
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throw new \Exception(); |
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} |
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} |
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/** |
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* @param string $urn the unified resource name used to identify the object |
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* @return void |
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* @throws \Exception when something goes wrong, message will be logged |
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* @since 7.0.0 |
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*/ |
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function deleteObject($urn) { |
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$this->storage->unlink($urn); |
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} |
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public function objectExists($urn) { |
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return $this->storage->file_exists($urn); |
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} |
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} |
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Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.