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 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_Log
  * @subpackage Writer
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 /** Zend_Log_Writer_Abstract */
 // require_once 'Zend/Log/Writer/Abstract.php';
 
 /** Zend_Log_Formatter_Simple */
 // require_once 'Zend/Log/Formatter/Simple.php';
 
 /**
  * @category   Zend
  * @package    Zend_Log
  * @subpackage Writer
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 class Zend_Log_Writer_Stream extends Zend_Log_Writer_Abstract
 {
     /**
      * Holds the PHP stream to log to.
      *
      * @var null|stream
      */
     protected $_stream = null;
 
     /**
      * Class Constructor
      *
      * @param array|string|resource $streamOrUrl Stream or URL to open as a stream
      * @param string|null $mode Mode, only applicable if a URL is given
      * @return void
      * @throws Zend_Log_Exception
      */
     public function __construct($streamOrUrl, $mode = null)
     {
         // Setting the default
         if (null === $mode) {
             $mode = 'a';
         }
 
         if (is_resource($streamOrUrl)) {
             if (get_resource_type($streamOrUrl) != 'stream') {
                 // require_once 'Zend/Log/Exception.php';
                 throw new Zend_Log_Exception('Resource is not a stream');
             }
 
             if ($mode != 'a') {
                 // require_once 'Zend/Log/Exception.php';
                 throw new Zend_Log_Exception('Mode cannot be changed on existing streams');
             }
 
             $this->_stream = $streamOrUrl;
         } else {
             if (is_array($streamOrUrl) && isset($streamOrUrl['stream'])) {
                 $streamOrUrl = $streamOrUrl['stream'];
             }
 
             if (! $this->_stream = @fopen($streamOrUrl, $mode, false)) {
                 // require_once 'Zend/Log/Exception.php';
                 $msg = "\"$streamOrUrl\" cannot be opened with mode \"$mode\"";
                 throw new Zend_Log_Exception($msg);
             }
         }
 
         $this->_formatter = new Zend_Log_Formatter_Simple();
     }
 
     /**
      * Create a new instance of Zend_Log_Writer_Stream
      *
      * @param  array|Zend_Config $config
      * @return Zend_Log_Writer_Stream
      */
     static public function factory($config)
     {
         $config = self::_parseConfig($config);
         $config = array_merge(array(
             'stream' => null,
             'mode'   => null,
         ), $config);
 
         $streamOrUrl = isset($config['url']) ? $config['url'] : $config['stream'];
 
         return new self(
             $streamOrUrl,
             $config['mode']
         );
     }
 
     /**
      * Close the stream resource.
      *
      * @return void
      */
     public function shutdown()
     {
         if (is_resource($this->_stream)) {
             fclose($this->_stream);
         }
     }
 
     /**
      * Write a message to the log.
      *
      * @param  array  $event  event data
      * @return void
      * @throws Zend_Log_Exception
      */
     protected function _write($event)
     {
         $line = $this->_formatter->format($event);
 
         if (false === @fwrite($this->_stream, $line)) {
             // require_once 'Zend/Log/Exception.php';
             throw new Zend_Log_Exception("Unable to write to stream");
         }
     }
 }