/**
* primarily for tearDown() in unit tests
*/
public static function __unsetRegistry()
{
self::$_registry = null;
}
/**
* Initialize the registry. Invoking this method more than once will generate an exception.
*
* @param mixed $registry - Either a name of the registry class (Zend_Registry, or a subclass)
* or an instance of Zend_Registry (or subclass)
*
* @return Zend_Registry
*/
public static function initRegistry($registry = 'Zend_Registry')
{
// prevent multiple calls to this method
if (self::$_registry !== null) {
throw new Zend_Exception(__CLASS__ . '::' . __FUNCTION__ . '()' . '::' . __LINE__ . ' registry already initialized.');
}
if ($registry === 'Zend_Registry') {
require_once 'Zend/Registry.php';
}
if (is_string($registry)) {
if (!class_exists($registry, false)) {
throw new Zend_Exception(__CLASS__ . '::' . __FUNCTION__ . '()' . '::' . __LINE__ . " {$registry}' class not found.");
} else {
self::initRegistry(new $registry());
}
} else {
if (!class_exists('Zend_Registry', false)) {
require_once 'Zend/Registry.php';
}
if (!$registry instanceof Zend_Registry) {
throw new Zend_Exception(__CLASS__ . '::' . __FUNCTION__ . '()' . '::' . __LINE__ . " {$registry}' is not an \"" . "instanceof\" Zend_Registry (or subclass)");
}
self::$_registry = $registry;
}
return self::$_registry;
}