Logger.php

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<?php
namespace ‪TYPO3\CMS\Core\Log;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪Logger implements \Psr\Log\LoggerInterface
{
    protected ‪$name = '';
 
    protected ‪$requestId = '';
 
    protected ‪$minimumLogLevel = ‪LogLevel::EMERGENCY;
 
    protected ‪$writers = [];
 
    protected ‪$processors = [];
 
    public function ‪__construct(string ‪$name, string ‪$requestId = '')
    {
        $this->name = ‪$name;
        $this->requestId = ‪$requestId;
    }
 
    public function ‪__wakeup()
    {
        $newLogger = GeneralUtility::makeInstance(LogManager::class)->getLogger($this->name);
        $this->requestId = $newLogger->requestId;
        $this->minimumLogLevel = $newLogger->minimumLogLevel;
        $this->writers = $newLogger->writers;
        $this->processors = $newLogger->processors;
    }
 
    public function ‪__sleep(): array
    {
        return ['name'];
    }
 
    protected function ‪setMinimumLogLevel($level)
    {
        ‪LogLevel::validateLevel($level);
        $this->minimumLogLevel = $level;
        return $this;
    }
 
    protected function ‪getMinimumLogLevel()
    {
        return ‪$this->minimumLogLevel;
    }
 
    public function ‪getName()
    {
        return ‪$this->name;
    }
 
    public function ‪addWriter($minimumLevel, Writer\WriterInterface $writer)
    {
        ‪LogLevel::validateLevel($minimumLevel);
        // Cycle through all the log levels which are as severe as or higher
        // than $minimumLevel and add $writer to each severity level
        for ($logLevelWhichTriggersWriter = ‪LogLevel::EMERGENCY; $logLevelWhichTriggersWriter <= $minimumLevel; $logLevelWhichTriggersWriter++) {
            if (!isset($this->writers[$logLevelWhichTriggersWriter])) {
                $this->writers[$logLevelWhichTriggersWriter] = [];
            }
            $this->writers[$logLevelWhichTriggersWriter][] = $writer;
        }
        if ($minimumLevel > $this->‪getMinimumLogLevel()) {
            $this->‪setMinimumLogLevel($minimumLevel);
        }
        return $this;
    }
 
    public function ‪getWriters()
    {
        return ‪$this->writers;
    }
 
    public function ‪addProcessor($minimumLevel, Processor\ProcessorInterface $processor)
    {
        ‪LogLevel::validateLevel($minimumLevel);
        // Cycle through all the log levels which are as severe as or higher
        // than $minimumLevel and add $processor to each severity level
        for ($logLevelWhichTriggersProcessor = ‪LogLevel::EMERGENCY; $logLevelWhichTriggersProcessor <= $minimumLevel; $logLevelWhichTriggersProcessor++) {
            if (!isset($this->processors[$logLevelWhichTriggersProcessor])) {
                $this->processors[$logLevelWhichTriggersProcessor] = [];
            }
            $this->processors[$logLevelWhichTriggersProcessor][] = $processor;
        }
        if ($minimumLevel > $this->‪getMinimumLogLevel()) {
            $this->‪setMinimumLogLevel($minimumLevel);
        }
    }
 
    public function ‪getProcessors()
    {
        return ‪$this->processors;
    }
 
    public function ‪log($level, $message, array $data = [])
    {
        $level = ‪LogLevel::normalizeLevel($level);
        ‪LogLevel::validateLevel($level);
        if ($level > $this->minimumLogLevel) {
            return $this;
        }
        $record = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(LogRecord::class, $this->name, $level, $message, $data, $this->requestId);
        $record = $this->‪callProcessors($record);
        $this->‪writeLog($record);
        return $this;
    }
 
    protected function ‪callProcessors(LogRecord $record)
    {
        if (!empty($this->processors[$record->getLevel()])) {
            foreach ($this->processors[$record->getLevel()] as $processor) {
                $processedRecord = $processor->processLogRecord($record);
                if (!$processedRecord instanceof LogRecord) {
                    throw new \RuntimeException('Processor ' . get_class($processor) . ' returned invalid data. Instance of TYPO3\\CMS\\Core\\Log\\LogRecord expected', 1343593398);
                }
                $record = $processedRecord;
            }
        }
        return $record;
    }
 
    protected function ‪writeLog(LogRecord $record)
    {
        if (!empty($this->writers[$record->getLevel()])) {
            foreach ($this->writers[$record->getLevel()] as $writer) {
                $writer->writeLog($record);
            }
        }
    }
 
    public function ‪emergency($message, array $data = [])
    {
        return $this->‪log(‪LogLevel::EMERGENCY, $message, $data);
    }
 
    public function ‪alert($message, array $data = [])
    {
        return $this->‪log(‪LogLevel::ALERT, $message, $data);
    }
 
    public function ‪critical($message, array $data = [])
    {
        return $this->‪log(‪LogLevel::CRITICAL, $message, $data);
    }
 
    public function ‪error($message, array $data = [])
    {
        return $this->‪log(‪LogLevel::ERROR, $message, $data);
    }
 
    public function ‪warning($message, array $data = [])
    {
        return $this->‪log(‪LogLevel::WARNING, $message, $data);
    }
 
    public function ‪notice($message, array $data = [])
    {
        return $this->‪log(‪LogLevel::NOTICE, $message, $data);
    }
 
    public function ‪info($message, array $data = [])
    {
        return $this->‪log(‪LogLevel::INFO, $message, $data);
    }
 
    public function ‪debug($message, array $data = [])
    {
        return $this->‪log(‪LogLevel::DEBUG, $message, $data);
    }
}