egroupware_official/egw-pear/Log/null.php

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2007-04-15 18:29:09 +02:00
<?php
/**
* $Header: /repository/pear/Log/Log/null.php,v 1.5 2006/06/29 07:09:21 jon Exp $
*
* @version $Revision: 1.5 $
* @package Log
*/
/**
* The Log_null class is a concrete implementation of the Log:: abstract
* class. It simply consumes log events.
*
* @author Jon Parise <jon@php.net>
* @since Log 1.8.2
* @package Log
*
* @example null.php Using the null handler.
*/
class Log_null extends Log
{
/**
* Constructs a new Log_null object.
*
* @param string $name Ignored.
* @param string $ident The identity string.
* @param array $conf The configuration array.
* @param int $level Log messages up to and including this level.
* @access public
*/
function Log_null($name, $ident = '', $conf = array(),
$level = PEAR_LOG_DEBUG)
{
$this->_id = md5(microtime());
$this->_ident = $ident;
$this->_mask = Log::UPTO($level);
}
/**
* Opens the handler.
*
* @access public
* @since Log 1.9.6
*/
function open()
{
$this->_opened = true;
return true;
}
/**
* Closes the handler.
*
* @access public
* @since Log 1.9.6
*/
function close()
{
$this->_opened = false;
return true;
}
/**
* Simply consumes the log event. The message will still be passed
* along to any Log_observer instances that are observing this Log.
*
* @param mixed $message String or object containing the message to log.
* @param string $priority The priority of the message. Valid
* values are: PEAR_LOG_EMERG, PEAR_LOG_ALERT,
* PEAR_LOG_CRIT, PEAR_LOG_ERR, PEAR_LOG_WARNING,
* PEAR_LOG_NOTICE, PEAR_LOG_INFO, and PEAR_LOG_DEBUG.
* @return boolean True on success or false on failure.
* @access public
*/
function log($message, $priority = null)
{
/* If a priority hasn't been specified, use the default value. */
if ($priority === null) {
$priority = $this->_priority;
}
/* Abort early if the priority is above the maximum logging level. */
if (!$this->_isMasked($priority)) {
return false;
}
$this->_announce(array('priority' => $priority, 'message' => $message));
return true;
}
}