Your IP : 216.73.216.95
<?php
final class Front {
private $registry;
private $pre_action = array();
private $error;
public function __construct($registry) {
$this->registry = $registry;
}
public function addPreAction(Action $pre_action) {
$this->pre_action[] = $pre_action;
}
public function dispatch(Action $action, Action $error) {
$this->error = $error;
foreach ($this->pre_action as $pre_action) {
$result = $this->execute($pre_action);
if ($result instanceof Action) {
$action = $result;
break;
}
}
while ($action instanceof Action) {
$action = $this->execute($action);
}
}
private function execute(Action $action) {
$result = $action->execute($this->registry);
if ($result instanceof Action) {
return $result;
}
if ($result instanceof Exception) {
$action = $this->error;
$this->error = null;
return $action;
}
}
}