lib/Provider/Provider.php
<?php
/**
* EventObserver Library
* Copyright (C) 2015 IceFlame.net
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all copies.
*
* @package FlameCore\EventObserver
* @version 1.0
* @link http://www.flamecore.org
* @license http://opensource.org/licenses/ISC ISC License
*/
namespace FlameCore\EventObserver\Provider;
use FlameCore\EventObserver\Responder\ResponderInterface;
/**
* The Provider class
*
* @author Christian Neff <christian.neff@gmail.com>
*/
class Provider implements ProviderInterface
{
/**
* The registered responders
*
* @var array
*/
protected $responders = array();
/**
* Checks if a responder is assigned to the given type.
*
* @param string $type The type of responder
* @return bool
* @throws \InvalidArgumentException if the responder type is invalid.
*/
public function hasResponder($type)
{
if (!is_string($type) || empty($type)) {
throw new \InvalidArgumentException('The responder type is invalid');
}
return isset($this->responders[$type]);
}
/**
* Gets the responder of the given type.
*
* @param string $type The type of responder
* @return \FlameCore\EventObserver\Responder\ResponderInterface
* @throws \InvalidArgumentException if the responder type is invalid.
*/
public function getResponder($type)
{
if (!is_string($type) || empty($type)) {
throw new \InvalidArgumentException('The responder type is invalid');
}
return $this->responders[$type] ?: null;
}
/**
* Assigns the responder to the given type.
*
* @param string $type The type of responder
* @param \FlameCore\EventObserver\Responder\ResponderInterface $responder The responder to assign
* @throws \InvalidArgumentException if the responder type is invalid.
*/
public function setResponder($type, ResponderInterface $responder)
{
if (!is_string($type) || empty($type)) {
throw new \InvalidArgumentException('The responder type is invalid');
}
$this->responders[$type] = $responder;
}
}