interface/modules/zend_modules/library/Zend/Log/LoggerAbstractServiceFactory.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Log;
  11
  12 use Zend\ServiceManager\AbstractFactoryInterface;
  13 use Zend\ServiceManager\ServiceLocatorInterface;
  14
  15 /**
  16  * Logger abstract service factory.
  17  *
  18  * Allow to configure multiple loggers for application.
  19  */
  20 class LoggerAbstractServiceFactory implements AbstractFactoryInterface
  21 {
  22     /**
  23      * @var array
  24      */
  25     protected $config;
  26
  27     /**
  28      * Configuration key holding logger configuration
  29      *
  30      * @var string
  31      */
  32     protected $configKey = 'log';
  33
  34     /**
  35      * @param  ServiceLocatorInterface $services
  36      * @param  string                  $name
  37      * @param  string                  $requestedName
  38      * @return bool
  39      */
  40     public function canCreateServiceWithName(ServiceLocatorInterface $services, $name, $requestedName)
  41     {
  42         $config = $this->getConfig($services);
  43         if (empty($config)) {
  44             return false;
  45         }
  46
  47         return isset($config[$requestedName]);
  48     }
  49
  50     /**
  51      * @param  ServiceLocatorInterface $services
  52      * @param  string                  $name
  53      * @param  string                  $requestedName
  54      * @return Logger
  55      */
  56     public function createServiceWithName(ServiceLocatorInterface $services, $name, $requestedName)
  57     {
  58         $config  = $this->getConfig($services);
  59         $config  = $config[$requestedName];
  60         $this->processConfig($config, $services);
  61         return new Logger($config);
  62     }
  63
  64     /**
  65      * Retrieve configuration for loggers, if any
  66      *
  67      * @param  ServiceLocatorInterface $services
  68      * @return array
  69      */
  70     protected function getConfig(ServiceLocatorInterface $services)
  71     {
  72         if ($this->config !== null) {
  73             return $this->config;
  74         }
  75
  76         if (!$services->has('Config')) {
  77             $this->config = array();
  78             return $this->config;
  79         }
  80
  81         $config = $services->get('Config');
  82         if (!isset($config[$this->configKey])) {
  83             $this->config = array();
  84             return $this->config;
  85         }
  86
  87         $this->config = $config[$this->configKey];
  88         return $this->config;
  89     }
  90
  91     protected function processConfig(&$config, ServiceLocatorInterface $services)
  92     {
  93         if (!isset($config['writers'])) {
  94             return;
  95         }
  96
  97         foreach ($config['writers'] as $index => $writerConfig) {
  98             if (!isset($writerConfig['name'])
  99                 || strtolower($writerConfig['name']) != 'db'
 100             ) {
 101                 continue;
 102             }
 103             if (!isset($writerConfig['options'])
 104                 || !isset($writerConfig['options']['db'])
 105             ) {
 106                 continue;
 107             }
 108             if (!is_string($writerConfig['options']['db'])) {
 109                 continue;
 110             }
 111             if (!$services->has($writerConfig['options']['db'])) {
 112                 continue;
 113             }
 114
 115             // Retrieve the DB service from the service locator, and
 116             // inject it into the configuration.
 117             $db = $services->get($writerConfig['options']['db']);
 118             $config['writers'][$index]['options']['db'] = $db;
 119         }
 120     }
 121 }