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<?php
/*
* 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!
*/
namespace TYPO3\CMS\Core\Log\Writer;
use TYPO3\CMS\Core\Log\Exception\InvalidLogWriterConfigurationException;
use TYPO3\CMS\Core\Security\BlockSerializationTrait;
/**
* Abstract implementation of a log writer
*/
abstract class AbstractWriter implements WriterInterface
{
use BlockSerializationTrait;
/**
* Constructs this log writer
*
* @param array $options Configuration options - depends on the actual log writer
* @throws \TYPO3\CMS\Core\Log\Exception\InvalidLogWriterConfigurationException
*/
public function __construct(array $options = [])
{
foreach ($options as $optionKey => $optionValue) {
$methodName = 'set' . ucfirst($optionKey);
if (method_exists($this, $methodName)) {
$this->{$methodName}($optionValue);
} else {
throw new InvalidLogWriterConfigurationException('Invalid LogWriter configuration option "' . $optionKey . '" for log writer of type "' . static::class . '"', 1321696152);
}
}
}
/**
* Interpolates context values into the message placeholders.
*/
protected function interpolate(string $message, array $context = []): string
{
// Build a replacement array with braces around the context keys.
$replace = [];
foreach ($context as $key => $val) {
if (!is_array($val) && !is_null($val) && (!is_object($val) || method_exists($val, '__toString'))) {
$replace['{' . $key . '}'] = $this->formatContextValue($val);
}
}
// Interpolate replacement values into the message and return.
return strtr($message, $replace);
}
/**
* Escape or quote a value from the context appropriate for the output.
*
* Note: In some output cases, escaping should not be done here but later on output,
* such as if it's being written to a database for later display.
*
* @param string $value
*/
protected function formatContextValue(string $value): string
{
return $value;
}
/**
* Formats an exception into a string.
*
* The format here is nearly the same as just casting an exception to a string,
* but omits the full class namespace and stack trace, as those get very long.
*/
protected function formatException(\Throwable $ex): string
{
$classname = get_class($ex);
if ($pos = strrpos($classname, '\\')) {
$classname = substr($classname, $pos + 1);
}
return sprintf(
'- %s: %s, in file %s:%s',
$classname,
$ex->getMessage(),
$ex->getFile(),
$ex->getLine(),
);
}
}