rss-bridge/lib/Cache.php
2013-08-11 13:30:41 +02:00

72 lines
No EOL
1.7 KiB
PHP

<?php
/**
* All cache logic
* Note : adapter are store in other place
*/
interface CacheInterface{
public function loadData();
public function saveData($datas);
public function getTime();
}
abstract class CacheAbstract implements CacheInterface{
protected $param;
public function prepare(array $param){
$this->param = $param;
return $this;
}
}
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);
}
}