/home/edulekha/studygroup.edulekha.com/ow_core/log.php
<?php
/**
* EXHIBIT A. Common Public Attribution License Version 1.0
* The contents of this file are subject to the Common Public Attribution License Version 1.0 (the “License”);
* you may not use this file except in compliance with the License. You may obtain a copy of the License at
* http://www.oxwall.org/license. The License is based on the Mozilla Public License Version 1.1
* but Sections 14 and 15 have been added to cover use of software over a computer network and provide for
* limited attribution for the Original Developer. In addition, Exhibit A has been modified to be consistent
* with Exhibit B. Software distributed under the License is distributed on an “AS IS” basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language
* governing rights and limitations under the License. The Original Code is Oxwall software.
* The Initial Developer of the Original Code is Oxwall Foundation (http://www.oxwall.org/foundation).
* All portions of the code written by Oxwall Foundation are Copyright (c) 2011. All Rights Reserved.
* EXHIBIT B. Attribution Information
* Attribution Copyright Notice: Copyright 2011 Oxwall Foundation. All rights reserved.
* Attribution Phrase (not exceeding 10 words): Powered by Oxwall community software
* Attribution URL: http://www.oxwall.org/
* Graphic Image as provided in the Covered Code.
* Display of Attribution Information is required in Larger Works which are defined in the CPAL as a work
* which combines Covered Code or portions thereof with code not governed by the terms of the CPAL.
*/
/**
* @author Sardar Madumarov <madumarov@gmail.com>
* @package ow_core
* @since 1.0
*/
class OW_Log
{
const TYPE = 'type';
const KEY = 'key';
const TIME_STAMP = 'timeStamp';
const MESSAGE = 'message';
/**
* Class instances.
*
* @var array
*/
private static $classInstances;
/**
* Returns logger object.
*
* @param string $type
* @return OW_Log
*/
public static function getInstance( $type )
{
if ( self::$classInstances === null )
{
self::$classInstances = array();
}
if ( empty(self::$classInstances[$type]) )
{
self::$classInstances[$type] = new self($type);
}
return self::$classInstances[$type];
}
/**
* Log type.
*
* @var string
*/
private $type;
/**
* Log entries.
*
* @var array
*/
private $entries = array();
/**
* @var OW_LogWriter
*/
private $logWriter;
/**
* Constructor.
*
* @param string $type
* @param OW_LogWriter $logWriter
*/
private function __construct( $type )
{
$this->type = $type;
$this->logWriter = new BASE_CLASS_DbLogWriter();
OW::getEventManager()->bind('core.exit', array($this, 'writeLog'));
OW::getEventManager()->bind('core.emergency_exit', array($this, 'writeLog'));
}
/**
* Adds log entry.
*
* @param string $message
* @param string $key
*/
public function addEntry( $message, $key = null )
{
$this->entries[] = array(self::TYPE => $this->type, self::KEY => $key, self::MESSAGE => $message, self::TIME_STAMP => time());
}
/**
* Returns all log entries.
*
* @return array
*/
public function getEntries()
{
return $this->entries;
}
/**
* Sets log writer.
*
* @param OW_LogWriter $logWriter
*/
public function setLogWriter( OW_LogWriter $logWriter )
{
$this->logWriter = $logWriter;
}
/**
*
*/
public function writeLog()
{
if ( $this->logWriter !== null && !empty($this->entries))
{
$this->logWriter->processEntries($this->entries);
$this->entries = array();
}
}
}