[7575] | 1 | <?php |
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| 2 | |
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| 3 | /* |
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| 4 | * This file is part of the Assetic package, an OpenSky project. |
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| 5 | * |
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| 6 | * (c) 2010-2012 OpenSky Project Inc |
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| 7 | * |
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| 8 | * For the full copyright and license information, please view the LICENSE |
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| 9 | * file that was distributed with this source code. |
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| 10 | */ |
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| 11 | |
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| 12 | namespace Assetic\Cache; |
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| 13 | |
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| 14 | /** |
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| 15 | * A simple filesystem cache. |
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| 16 | * |
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| 17 | * @author Kris Wallsmith <kris.wallsmith@gmail.com> |
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| 18 | */ |
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| 19 | class FilesystemCache implements CacheInterface |
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| 20 | { |
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| 21 | private $dir; |
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| 22 | |
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| 23 | public function __construct($dir) |
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| 24 | { |
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| 25 | $this->dir = $dir; |
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| 26 | } |
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| 27 | |
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| 28 | public function has($key) |
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| 29 | { |
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[7613] | 30 | $key = "expressocache-".$key; |
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[7575] | 31 | return file_exists($this->dir.'/'.$key); |
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| 32 | } |
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| 33 | |
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| 34 | public function get($key) |
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| 35 | { |
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[7613] | 36 | $key = "expressocache-".$key; |
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[7575] | 37 | $path = $this->dir.'/'.$key; |
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| 38 | |
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| 39 | if (!file_exists($path)) { |
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| 40 | throw new \RuntimeException('There is no cached value for '.$key); |
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| 41 | } |
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| 42 | |
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| 43 | return file_get_contents($path); |
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| 44 | } |
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| 45 | |
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| 46 | public function set($key, $value) |
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| 47 | { |
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[7613] | 48 | $key = "expressocache-".$key; |
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[7575] | 49 | if (!is_dir($this->dir) && false === @mkdir($this->dir, 0777, true)) { |
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| 50 | throw new \RuntimeException('Unable to create directory '.$this->dir); |
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| 51 | } |
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| 52 | |
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| 53 | $path = $this->dir.'/'.$key; |
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| 54 | |
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| 55 | if (false === @file_put_contents($path, $value)) { |
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| 56 | throw new \RuntimeException('Unable to write file '.$path); |
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| 57 | } |
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| 58 | } |
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| 59 | |
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| 60 | public function remove($key) |
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| 61 | { |
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[7613] | 62 | $key = "expressocache-".$key; |
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[7575] | 63 | $path = $this->dir.'/'.$key; |
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| 64 | |
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| 65 | if (file_exists($path) && false === @unlink($path)) { |
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| 66 | throw new \RuntimeException('Unable to remove file '.$path); |
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| 67 | } |
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| 68 | } |
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| 69 | } |
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