/**
* Initializes the Singleton instance.
*/
private static function init()
{
if (!isset(self::$instance)) {
self::$instance = new File();
}
return self::$instance;
}
/**
* 得到本类实例
*
* @return Ambiguous
*/
public static function getInstance()
{
if (is_null(self::$instance)) {
self::$instance = new File();
}
return self::$instance;
}
/**
* Class destructor
*/
public final function __destruct()
{
try {
self::$instance = NULL;
} catch (Exception $e) {
// can't throw exceptions in __destruct
}
}
public static function getInstance()
{
if (!self::$instance) {
$file_system = Yaf_Registry::get('config')->file->file_system;
if (!empty($file_system) && file_exists(dirname(__FILE__) . '/' . $file_system . '.php')) {
Yaf_Loader::import(dirname(__FILE__) . '/' . $file_system . '.php');
self::$instance = new $file_system();
}
}
return self::$instance;
}
public static function forge($path, array $config = array(), File_Area $area = null, $content = array())
{
$obj = new static($path, $config, \File::instance($area), $content);
$config['path'] = $path;
$config['area'] = $area;
foreach ($config as $key => $value) {
if (property_exists($obj, $key) && empty($obj->{$key})) {
$obj->{$key} = $value;
}
}
return $obj;
}
/**
* 通过文件操作对象实例化Model
* @param $file
* @return Model
*/
public static function file($file)
{
return new self($file, File::instance());
}
