includes/recentchanges/RCFeed/RCFeed.php
<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
namespace MediaWiki\RCFeed;
use InvalidArgumentException;
use RecentChange;
/**
* @see $wgRCFeeds
* @since 1.29
* @ingroup RecentChanges
*/
abstract class RCFeed {
/**
* @param array $params
*/
public function __construct( array $params = [] ) {
}
/**
* Dispatch the recent changes notification.
*
* @param RecentChange $rc
* @param string|null $actionComment
* @return bool Success
*/
abstract public function notify( RecentChange $rc, $actionComment = null );
/**
* @param array $params
* @return RCFeed
*/
final public static function factory( array $params ): RCFeed {
if ( !isset( $params['class'] ) ) {
if ( !isset( $params['uri'] ) ) {
throw new InvalidArgumentException( 'RCFeeds must have a class set' );
}
if ( strpos( $params['uri'], 'udp:' ) === 0 ) {
$params['class'] = UDPRCFeedEngine::class;
} elseif ( strpos( $params['uri'], 'redis:' ) === 0 ) {
$params['class'] = RedisPubSubFeedEngine::class;
} else {
global $wgRCEngines;
wfDeprecated( '$wgRCFeeds without class', '1.38' );
$scheme = parse_url( $params['uri'], PHP_URL_SCHEME );
if ( !$scheme ) {
throw new InvalidArgumentException( "Invalid RCFeed uri: {$params['uri']}" );
}
if ( !isset( $wgRCEngines[$scheme] ) ) {
throw new InvalidArgumentException( "Unknown RCFeed engine: $scheme" );
}
$params['class'] = $wgRCEngines[$scheme];
}
}
$class = $params['class'];
if ( defined( 'MW_PHPUNIT_TEST' ) && is_object( $class ) ) {
return $class;
}
if ( !class_exists( $class ) ) {
throw new InvalidArgumentException( "Unknown class '$class'." );
}
return new $class( $params );
}
}
/** @deprecated class alias since 1.43 */
class_alias( RCFeed::class, 'RCFeed' );