RCFeed.php

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<?php
abstract class RCFeed {
    public function __construct( array $params = [] ) {
    }
 
    abstract public function notify( RecentChange $rc, $actionComment = null );
 
    final public static function factory( array $params ) {
        if ( !isset( $params['class'] ) ) {
            if ( !isset( $params['uri'] ) ) {
                throw new Exception( "RCFeeds must have a 'class' or 'uri' set." );
            }
            return RecentChange::getEngine( $params['uri'], $params );
        }
        $class = $params['class'];
        if ( !class_exists( $class ) ) {
            throw new Exception( "Unknown class '$class'." );
        }
        return new $class( $params );
    }
}