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   1  <?php
   2  
   3  /*
   4   * This file is part of the symfony package.
   5   * (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
   6   * 
   7   * For the full copyright and license information, please view the LICENSE
   8   * file that was distributed with this source code.
   9   */
  10  
  11  /**
  12   *
  13   * @package    symfony
  14   * @subpackage log
  15   * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
  16   * @version    SVN: $Id: sfFileLogger.class.php 3329 2007-01-23 08:29:34Z fabien $
  17   */
  18  class sfFileLogger
  19  {
  20    protected
  21      $fp = null;
  22  
  23    /**
  24     * Initializes the file logger.
  25     *
  26     * @param array Options for the logger
  27     */
  28    public function initialize($options = array())
  29    {
  30      if (!isset($options['file']))
  31      {
  32        throw new sfConfigurationException('File option is mandatory for a file logger');
  33      }
  34  
  35      $dir = dirname($options['file']);
  36  
  37      if (!is_dir($dir))
  38      {
  39        mkdir($dir, 0777, 1);
  40      }
  41  
  42      if (!is_writable($dir) || (file_exists($options['file']) && !is_writable($options['file'])))
  43      {
  44        throw new sfFileException(sprintf('Unable to open the log file "%s" for writing', $options['file']));
  45      }
  46  
  47      $this->fp = fopen($options['file'], 'a');
  48    }
  49  
  50    /**
  51     * Logs a message.
  52     *
  53     * @param string Message
  54     * @param string Message priority
  55     * @param string Message priority name
  56     */
  57    public function log($message, $priority, $priorityName)
  58    {
  59      $line = sprintf("%s %s [%s] %s%s", strftime('%b %d %H:%M:%S'), 'symfony', $priorityName, $message, DIRECTORY_SEPARATOR == '\\' ? "\r\n" : "\n");
  60  
  61      flock($this->fp, LOCK_EX);
  62      fwrite($this->fp, $line);
  63      flock($this->fp, LOCK_UN);
  64    }
  65  
  66    /**
  67     * Executes the shutdown method.
  68     */
  69    public function shutdown()
  70    {
  71      if ($this->fp)
  72      {
  73        fclose($this->fp);
  74      }
  75    }
  76  }