nextcloud-server/lib/public/ILogger.php

<?php

declare(strict_types=1);
/**
 * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
 * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
 * SPDX-License-Identifier: AGPL-3.0-only
 */
namespace OCP;

/**
 * Interface ILogger
 * @since 7.0.0
 *
 * This logger interface follows the design guidelines of PSR-3
 * https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md#3-psrlogloggerinterface
 * @deprecated 20.0.0 use the PSR-3 logger \Psr\Log\LoggerInterface
 */
interface ILogger {
	/**
	 * @since 14.0.0
	 * @deprecated 20.0.0
	 */
	public const DEBUG = 0;
	/**
	 * @since 14.0.0
	 * @deprecated 20.0.0
	 */
	public const INFO = 1;
	/**
	 * @since 14.0.0
	 * @deprecated 20.0.0
	 */
	public const WARN = 2;
	/**
	 * @since 14.0.0
	 * @deprecated 20.0.0
	 */
	public const ERROR = 3;
	/**
	 * @since 14.0.0
	 * @deprecated 20.0.0
	 */
	public const FATAL = 4;

	/**
	 * System is unusable.
	 *
	 * @param string $message
	 * @param array $context
	 * @return null
	 * @since 7.0.0
	 * @deprecated 20.0.0 use \Psr\Log\LoggerInterface::emergency
	 */
	public function emergency(string $message, array $context = []);

	/**
	 * Action must be taken immediately.
	 *
	 * @param string $message
	 * @param array $context
	 * @return null
	 * @since 7.0.0
	 * @deprecated 20.0.0 use \Psr\Log\LoggerInterface::alert
	 */
	public function alert(string $message, array $context = []);

	/**
	 * Critical conditions.
	 *
	 * @param string $message
	 * @param array $context
	 * @return null
	 * @since 7.0.0
	 * @deprecated 20.0.0 use \Psr\Log\LoggerInterface::critical
	 */
	public function critical(string $message, array $context = []);

	/**
	 * Runtime errors that do not require immediate action but should typically
	 * be logged and monitored.
	 *
	 * @param string $message
	 * @param array $context
	 * @return null
	 * @since 7.0.0
	 * @deprecated 20.0.0 use \Psr\Log\LoggerInterface::error
	 */
	public function error(string $message, array $context = []);

	/**
	 * Exceptional occurrences that are not errors.
	 *
	 * @param string $message
	 * @param array $context
	 * @return null
	 * @since 7.0.0
	 * @deprecated 20.0.0 use \Psr\Log\LoggerInterface::warning
	 */
	public function warning(string $message, array $context = []);

	/**
	 * Normal but significant events.
	 *
	 * @param string $message
	 * @param array $context
	 * @return null
	 * @since 7.0.0
	 * @deprecated 20.0.0 use \Psr\Log\LoggerInterface::notice
	 */
	public function notice(string $message, array $context = []);

	/**
	 * Interesting events.
	 *
	 * @param string $message
	 * @param array $context
	 * @return null
	 * @since 7.0.0
	 * @deprecated 20.0.0 use \Psr\Log\LoggerInterface::info
	 */
	public function info(string $message, array $context = []);

	/**
	 * Detailed debug information.
	 *
	 * @param string $message
	 * @param array $context
	 * @return null
	 * @since 7.0.0
	 * @deprecated 20.0.0 use \Psr\Log\LoggerInterface::debug
	 */
	public function debug(string $message, array $context = []);

	/**
	 * Logs with an arbitrary level.
	 *
	 * @param int $level
	 * @param string $message
	 * @param array $context
	 * @return mixed
	 * @since 7.0.0
	 * @deprecated 20.0.0 use \Psr\Log\LoggerInterface::log
	 */
	public function log(int $level, string $message, array $context = []);

	/**
	 * Logs an exception very detailed
	 * An additional message can we written to the log by adding it to the
	 * context.
	 *
	 * <code>
	 * $logger->logException($ex, [
	 *     'message' => 'Exception during background job execution'
	 * ]);
	 * </code>
	 *
	 * @param \Exception|\Throwable $exception
	 * @param array $context
	 * @return void
	 * @since 8.2.0
	 * @deprecated 20.0.0 use the `exception` entry in the context of any method in \Psr\Log\LoggerInterface
	 */
	public function logException(\Throwable $exception, array $context = []);
}