library/Zend/Log/Writer/ZendMonitor.php

   1 <?php
   2 /**
   3  * Zend Framework
   4  *
   5  * LICENSE
   6  *
   7  * This source file is subject to the new BSD license that is bundled
   8  * with this package in the file LICENSE.txt.
   9  * It is also available through the world-wide-web at this URL:
  10  * http://framework.zend.com/license/new-bsd
  11  * If you did not receive a copy of the license and are unable to
  12  * obtain it through the world-wide-web, please send an email
  13  * to license@zend.com so we can send you a copy immediately.
  14  *
  15  * @category   Zend
  16  * @package    Zend_Log
  17  * @subpackage Writer
  18  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  19  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  20  * @version    $Id$
  21  */
  22
  23 /** Zend_Log_Writer_Abstract */
  24 require_once 'Zend/Log/Writer/Abstract.php';
  25
  26 /**
  27  * @category   Zend
  28  * @package    Zend_Log
  29  * @subpackage Writer
  30  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  31  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  32  * @version    $Id$
  33  */
  34 class Zend_Log_Writer_ZendMonitor extends Zend_Log_Writer_Abstract
  35 {
  36     /**
  37      * Is Zend Monitor enabled?
  38      * @var bool
  39      */
  40     protected $_isEnabled = true;
  41
  42     /**
  43      * @throws Zend_Log_Exception if Zend Monitor extension not present
  44      */
  45     public function __construct()
  46     {
  47         if (!function_exists('monitor_custom_event')) {
  48             $this->_isEnabled = false;
  49         }
  50     }
  51
  52     /**
  53      * Create a new instance of Zend_Log_Writer_ZendMonitor
  54      *
  55      * @param  array|Zend_Config $config
  56      * @return Zend_Log_Writer_Syslog
  57      * @throws Zend_Log_Exception
  58      */
  59     static public function factory($config)
  60     {
  61         return new self();
  62     }
  63
  64     /**
  65      * Is logging to this writer enabled?
  66      *
  67      * If the Zend Monitor extension is not enabled, this log writer will
  68      * fail silently. You can query this method to determine if the log
  69      * writer is enabled.
  70      *
  71      * @return bool
  72      */
  73     public function isEnabled()
  74     {
  75         return $this->_isEnabled;
  76     }
  77
  78     /**
  79      * Log a message to this writer.
  80      *
  81      * @param  array $event  log data event
  82      * @return void
  83      */
  84     public function write($event)
  85     {
  86         if (!$this->isEnabled()) {
  87             return;
  88         }
  89
  90         parent::write($event);
  91     }
  92
  93     /**
  94      * Write a message to the log.
  95      *
  96      * @param  array  $event  log data event
  97      * @return void
  98      */
  99     protected function _write($event)
 100     {
 101         $priority = $event['priority'];
 102         $message  = $event['message'];
 103         unset($event['priority'], $event['message']);
 104
 105         if (!empty($event)) {
 106             monitor_custom_event($priority, $message, $event);
 107         } else {
 108             monitor_custom_event($priority, $message);
 109         }
 110     }
 111 }