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framework / system / Log / Handlers / HandlerInterface.php
@Jim Parry Jim Parry on 19 Oct 2019 2 KB Release 4.0.0-rc.3
<?php

/**
 * CodeIgniter
 *
 * An open source application development framework for PHP
 *
 * This content is released under the MIT License (MIT)
 *
 * Copyright (c) 2014-2019 British Columbia Institute of Technology
 * Copyright (c) 2019 CodeIgniter Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @package    CodeIgniter
 * @author     CodeIgniter Dev Team
 * @copyright  2019 CodeIgniter Foundation
 * @license    https://opensource.org/licenses/MIT	MIT License
 * @link       https://codeigniter.com
 * @since      Version 4.0.0
 * @filesource
 */

namespace CodeIgniter\Log\Handlers;

/**
 * Expected behavior for a Log handler
 */
interface HandlerInterface
{

	/**
	 * Handles logging the message.
	 * If the handler returns false, then execution of handlers
	 * will stop. Any handlers that have not run, yet, will not
	 * be run.
	 *
	 * @param $level
	 * @param $message
	 *
	 * @return boolean
	 */
	public function handle($level, $message): bool;

	//--------------------------------------------------------------------

	/**
	 * Checks whether the Handler will handle logging items of this
	 * log Level.
	 *
	 * @param string $level
	 *
	 * @return boolean
	 */
	public function canHandle(string $level): bool;

	//--------------------------------------------------------------------

	/**
	 * Sets the preferred date format to use when logging.
	 *
	 * @param string $format
	 *
	 * @return HandlerInterface
	 */
	public function setDateFormat(string $format);

	//--------------------------------------------------------------------
}