includes/debug/logger/LegacySpi.php

   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 namespace MediaWiki\Logger;
  22
  23 /**
  24  * LoggerFactory service provider that creates LegacyLogger instances.
  25  *
  26  * Usage:
  27  * @code
  28  * $wgMWLoggerDefaultSpi = [
  29  *   'class' => '\\MediaWiki\\Logger\\LegacySpi',
  30  * ];
  31  * @endcode
  32  *
  33  * @see \MediaWiki\Logger\LoggerFactory
  34  * @since 1.25
  35  * @author Bryan Davis <bd808@wikimedia.org>
  36  * @copyright © 2014 Bryan Davis and Wikimedia Foundation.
  37  */
  38 class LegacySpi implements Spi {
  39
  40         /**
  41          * @var array $singletons
  42          */
  43         protected $singletons = [];
  44
  45         /**
  46          * Get a logger instance.
  47          *
  48          * @param string $channel Logging channel
  49          * @return \Psr\Log\LoggerInterface Logger instance
  50          */
  51         public function getLogger( $channel ) {
  52                 if ( !isset( $this->singletons[$channel] ) ) {
  53                         $this->singletons[$channel] = new LegacyLogger( $channel );
  54                 }
  55                 return $this->singletons[$channel];
  56         }
  57
  58 }