<?php
  
  /*
   * This file is part of the Monolog package.
   *
   * (c) Jordi Boggiano <j.boggiano@seld.be>
   *
   * For the full copyright and license information, please view the LICENSE
   * file that was distributed with this source code.
   */
  
  namespace Monolog\Handler;
  
  use Gelf\IMessagePublisher;
  use Monolog\Logger;
  use Monolog\Handler\AbstractProcessingHandler;
  use Monolog\Formatter\GelfMessageFormatter;
  
  /**
   * Handler to send messages to a Graylog2 (http://www.graylog2.org) server
   *
   * @author Matt Lehner <mlehner@gmail.com>
   */
  class GelfHandler extends AbstractProcessingHandler
  {
      /**
       * @var Gelf\IMessagePublisher the publisher object that sends the message to the server
       */
      protected $publisher;
  
      /**
       * @param Gelf\IMessagePublisher $publisher a publisher object
       * @param integer                $level     The minimum logging level at which this handler will be triggered
       * @param Boolean                $bubble    Whether the messages that are handled can bubble up the stack or not
       */
      public function __construct(IMessagePublisher $publisher, $level = Logger::DEBUG, $bubble = true)
      {
          parent::__construct($level, $bubble);
  
          $this->publisher = $publisher;
      }
  
      /**
       * {@inheritdoc}
       */
      public function close()
      {
          $this->publisher = null;
      }
  
      /**
       * {@inheritdoc}
       */
      protected function write(array $record)
      {
          $this->publisher->publish($record['formatted']);
      }
  
      /**
       * {@inheritDoc}
       */
      protected function getDefaultFormatter()
      {
          return new GelfMessageFormatter();
      }
  }