/**
* Constructs the application
*/
public function __construct()
{
$this->em = new EventManager();
$this->commands = array();
//handle dispatch by running the command
$this->em->attach(self::EVENT_DISPATCH, function ($event) {
//get the command
$command = $event->getCommand();
$command->setEvent($event);
//check for a command
if (is_null($command)) {
throw new \InvalidArgumentException('Command required');
}
//attach the command to the event
if ($command instanceof EventListenerInterface) {
$command->attach($this->getEventManager());
}
//run the command
$exitCode = $command->dispatch($event);
//detach the command from the event
if ($command instanceof EventListenerInterface) {
$command->detach($this->getEventManager());
}
//set the exit code
$event->setExitCode($exitCode);
});
//handle exceptions by printing the messages
$this->em->attach(self::EVENT_EXCEPTION, function ($event) {
$this->printError($event, $event->getException()->getMessage());
});
}
/**
* @inheritdoc
*/
public function attach(EventManager $em)
{
$em->attach(Application::EVENT_INTERRUPT, array($this, 'interrupt'));
}
