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| 1 | <?php |
| 2 | /** |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License as published by |
| 5 | * the Free Software Foundation; either version 2 of the License, or |
| 6 | * (at your option) any later version. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 16 | * http://www.gnu.org/copyleft/gpl.html |
| 17 | * |
| 18 | * @file |
| 19 | */ |
| 20 | |
| 21 | /** |
| 22 | * @see $wgRCFeeds |
| 23 | * @since 1.29 |
| 24 | */ |
| 25 | abstract class RCFeed { |
| 26 | /** |
| 27 | * @param array $params |
| 28 | */ |
| 29 | public function __construct( array $params = [] ) { |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * Dispatch the recent changes notification. |
| 34 | * |
| 35 | * @param RecentChange $rc |
| 36 | * @param string|null $actionComment |
| 37 | * @return bool Success |
| 38 | */ |
| 39 | abstract public function notify( RecentChange $rc, $actionComment = null ); |
| 40 | |
| 41 | /** |
| 42 | * @param array $params |
| 43 | * @return RCFeed |
| 44 | */ |
| 45 | final public static function factory( array $params ): RCFeed { |
| 46 | if ( !isset( $params['class'] ) ) { |
| 47 | if ( !isset( $params['uri'] ) ) { |
| 48 | throw new InvalidArgumentException( 'RCFeeds must have a class set' ); |
| 49 | } |
| 50 | if ( strpos( $params['uri'], 'udp:' ) === 0 ) { |
| 51 | $params['class'] = UDPRCFeedEngine::class; |
| 52 | } elseif ( strpos( $params['uri'], 'redis:' ) === 0 ) { |
| 53 | $params['class'] = RedisPubSubFeedEngine::class; |
| 54 | } else { |
| 55 | global $wgRCEngines; |
| 56 | wfDeprecated( '$wgRCFeeds without class', '1.38' ); |
| 57 | $scheme = parse_url( $params['uri'], PHP_URL_SCHEME ); |
| 58 | if ( !$scheme ) { |
| 59 | throw new InvalidArgumentException( "Invalid RCFeed uri: {$params['uri']}" ); |
| 60 | } |
| 61 | if ( !isset( $wgRCEngines[$scheme] ) ) { |
| 62 | throw new InvalidArgumentException( "Unknown RCFeed engine: $scheme" ); |
| 63 | } |
| 64 | $params['class'] = $wgRCEngines[$scheme]; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | $class = $params['class']; |
| 69 | if ( defined( 'MW_PHPUNIT_TEST' ) && is_object( $class ) ) { |
| 70 | return $class; |
| 71 | } |
| 72 | if ( !class_exists( $class ) ) { |
| 73 | throw new InvalidArgumentException( "Unknown class '$class'." ); |
| 74 | } |
| 75 | return new $class( $params ); |
| 76 | } |
| 77 | } |