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rss-bridge/lib/Cache.php
logmanoriginal 9ac678aac5 [Cache] Move 'purge' function to implementations
The purge function is cache specific and thus belongs
to the specific implementation.
2016-10-07 22:33:45 +02:00

53 lines
1.2 KiB
PHP

<?php
require_once(__DIR__ . '/CacheInterface.php');
class Cache {
static protected $dirCache;
public function __construct(){
throw new \LogicException('Please use ' . __CLASS__ . '::create for new object.');
}
static public function create($nameCache){
if(!static::isValidNameCache($nameCache)){
throw new \InvalidArgumentException('Name cache must be at least one
uppercase follow or not by alphanumeric or dash characters.');
}
$pathCache = self::getDir() . $nameCache . '.php';
if(!file_exists($pathCache)){
throw new \Exception('The cache you looking for does not exist.');
}
require_once $pathCache;
return new $nameCache();
}
static public function setDir($dirCache){
if(!is_string($dirCache)){
throw new \InvalidArgumentException('Dir cache must be a string.');
}
if(!file_exists($dirCache)){
throw new \Exception('Dir cache does not exist.');
}
self::$dirCache = $dirCache;
}
static public function getDir(){
$dirCache = self::$dirCache;
if(is_null($dirCache)){
throw new \LogicException(__CLASS__ . ' class need to know cache path !');
}
return $dirCache;
}
static public function isValidNameCache($nameCache){
return preg_match('@^[A-Z][a-zA-Z0-9-]*$@', $nameCache);
}
}