LoggerPatternConverterDate.php
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<?php
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @package log4php
*/
/**
* Returns the date/time of the logging request.
*
* Option: the datetime format, as used by the date() function. If
* the option is not given, the default format 'c' will be used.
*
* There are several "special" values which can be given for this option:
* 'ISO8601', 'ABSOLUTE' and 'DATE'.
*
* @package log4php
* @subpackage pattern
* @version $Revision: 1326626 $
* @since 2.3
*/
class LoggerPatternConverterDate extends LoggerPatternConverter {
const DATE_FORMAT_ISO8601 = 'c';
const DATE_FORMAT_ABSOLUTE = 'H:i:s';
const DATE_FORMAT_DATE = 'd M Y H:i:s.u';
private $format = self::DATE_FORMAT_ISO8601;
private $specials = array(
'ISO8601' => self::DATE_FORMAT_ISO8601,
'ABSOLUTE' => self::DATE_FORMAT_ABSOLUTE,
'DATE' => self::DATE_FORMAT_DATE,
);
private $useLocalDate = false;
public function activateOptions() {
// Parse the option (date format)
if (!empty($this->option)) {
if(isset($this->specials[$this->option])) {
$this->format = $this->specials[$this->option];
} else {
$this->format = $this->option;
}
}
// Check whether the pattern contains milliseconds (u)
if (preg_match('/(?<!\\\\)u/', $this->format)) {
$this->useLocalDate = true;
}
}
public function convert(LoggerLoggingEvent $event) {
if ($this->useLocalDate) {
return $this->date($this->format, $event->getTimeStamp());
}
return date($this->format, $event->getTimeStamp());
}
/**
* Currently, PHP date() function always returns zeros for milliseconds (u)
* on Windows. This is a replacement function for date() which correctly
* displays milliseconds on all platforms.
*
* It is slower than PHP date() so it should only be used if necessary.
*/
private function date($format, $utimestamp) {
$timestamp = floor($utimestamp);
$ms = floor(($utimestamp - $timestamp) * 1000);
$ms = str_pad($ms, 3, '0', STR_PAD_LEFT);
return date(preg_replace('`(?<!\\\\)u`', $ms, $format), $timestamp);
}
}