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| <?php declare(strict_types = 1); | |
| /** | |
| * Copyright (c) 2016 Holger Woltersdorf & Contributors | |
| * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| * of this software and associated documentation files (the "Software"), to deal | |
| * in the Software without restriction, including without limitation the rights | |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| * copies of the Software, and to permit persons to whom the Software is | |
| * furnished to do so, subject to the following conditions: | |
| * The above copyright notice and this permission notice shall be included in | |
| * all copies or substantial portions of the Software. | |
| */ | |
| namespace IceHawk\PubSub; | |
| use IceHawk\PubSub\Interfaces\CarriesInformation; | |
| use IceHawk\PubSub\Interfaces\IdentifiesChannel; | |
| use IceHawk\PubSub\Interfaces\NamesMessage; | |
| use IceHawk\PubSub\Interfaces\SubscribesToMessages; | |
| /** | |
| * Class AbstractMessageSubscriber | |
| * @package IceHawk\PubSub | |
| */ | |
| abstract class AbstractMessageSubscriber implements SubscribesToMessages | |
| { | |
| final public function notify( CarriesInformation $message, IdentifiesChannel $channel ) | |
| { | |
| $methodName = $this->getHandlerMethodName( $message->getMessageName() ); | |
| if ( is_callable( [$this, $methodName] ) ) | |
| { | |
| call_user_func( [$this, $methodName], $message, $channel ); | |
| } | |
| } | |
| private function getHandlerMethodName( NamesMessage $messageName ) : string | |
| { | |
| $channelName = preg_replace_callback( | |
| "#_([a-z])#i", | |
| function ( array $matches ) : string | |
| { | |
| return strtoupper( $matches[1] ); | |
| }, | |
| preg_replace( ['#[^a-z]#i', '#_+#'], '_', $messageName ) | |
| ); | |
| $methodName = 'when' . ucfirst( $channelName ); | |
| return $methodName; | |
| } | |
| } |