99 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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namespace WapplerSystems\Meilisearch\IndexQueue\FrontendHelper;
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/***************************************************************
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 *  Copyright notice
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 *
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 *  (c) 2010-2015 Ingo Renner <ingo@typo3.org>
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 *  All rights reserved
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 *
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 *  This script is part of the TYPO3 project. The TYPO3 project is
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 *  free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 3 of the License, or
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 *  (at your option) any later version.
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 *
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 *  The GNU General Public License can be found at
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 *  http://www.gnu.org/copyleft/gpl.html.
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 *
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 *  This script is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  This copyright notice MUST APPEAR in all copies of the script!
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 ***************************************************************/
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use RuntimeException;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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 * Index Queue Page Indexer frontend helper manager.
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 *
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 * Manages frontend helpers and creates instances.
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 *
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 * @author Ingo Renner <ingo@typo3.org>
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 */
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class Manager
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{
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    /**
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     * Frontend helper descriptions.
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     *
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     * @var array
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     */
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    protected static $frontendHelperRegistry = [];
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    /**
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     * Instances of activated frontend helpers.
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     *
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     * @var array
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     */
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    protected $activatedFrontendHelpers = [];
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    /**
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     * Registers a frontend helper class for a certain action.
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     *
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     * @param string $action Action to register.
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     * @param string $class Class to register for an action.
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     */
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    public static function registerFrontendHelper($action, $class)
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    {
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        self::$frontendHelperRegistry[$action] = $class;
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    }
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    /**
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     * Tries to find a frontend helper for a given action. If found, creates an
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     * instance of the helper.
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     *
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     * @param string $action The action to get a frontend helper for.
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     * @return FrontendHelper Index Queue page indexer frontend helper
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     * @throws RuntimeException if the class registered for an action is not an implementation of WapplerSystems\Meilisearch\IndexQueue\FrontendHelper\FrontendHelper
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     */
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    public function resolveAction($action)
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    {
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        if (!array_key_exists($action, self::$frontendHelperRegistry)) {
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            return null;
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        }
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        $frontendHelper = GeneralUtility::makeInstance(self::$frontendHelperRegistry[$action]);
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        if (!$frontendHelper instanceof FrontendHelper) {
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            $message = self::$frontendHelperRegistry[$action] . ' is not an implementation of WapplerSystems\Meilisearch\IndexQueue\FrontendHelper\FrontendHelper';
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            throw new RuntimeException($message, 1292497896);
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        }
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        $this->activatedFrontendHelpers[$action] = $frontendHelper;
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        return $frontendHelper;
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    }
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    /**
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     * Gets an array with references to activated frontend helpers.
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     *
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     * @return array Array of references to activated frontend helpers.
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     */
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    public function getActivatedFrontendHelpers()
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    {
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        return $this->activatedFrontendHelpers;
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    }
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}
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