<?php
namespace TYPO3\CMS\Extbase\Configuration;

/**
 * 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!
 */

/**
 * Class ConfigurationManagerInterface
 */
interface ConfigurationManagerInterface extends \TYPO3\CMS\Core\SingletonInterface {

	const CONFIGURATION_TYPE_FRAMEWORK = 'Framework';
	const CONFIGURATION_TYPE_SETTINGS = 'Settings';
	const CONFIGURATION_TYPE_FULL_TYPOSCRIPT = 'FullTypoScript';

	/**
	 * @param \TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer $contentObject
	 * @return void
	 */
	public function setContentObject(\TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer $contentObject = NULL);

	/**
	 * Get the content object
	 *
	 * @return \TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer
	 * @api (v4 only)
	 */
	public function getContentObject();

	/**
	 * Returns the specified configuration.
	 * The actual configuration will be merged from different sources in a defined order.
	 *
	 * Note that this is a low level method and only makes sense to be used by Extbase internally.
	 *
	 * @param string $configurationType The kind of configuration to fetch - must be one of the CONFIGURATION_TYPE_* constants
	 * @param string $extensionName if specified, the configuration for the given extension will be returned.
	 * @param string $pluginName if specified, the configuration for the given plugin will be returned.
	 * @return array The configuration
	 */
	public function getConfiguration($configurationType, $extensionName = NULL, $pluginName = NULL);

	/**
	 * Sets the specified raw configuration coming from the outside.
	 * Note that this is a low level method and only makes sense to be used by Extbase internally.
	 *
	 * @param array $configuration The new configuration
	 * @return void
	 */
	public function setConfiguration(array $configuration = array());

	/**
	 * Returns TRUE if a certain feature, identified by $featureName
	 * should be activated, FALSE for backwards-compatible behavior.
	 *
	 * This is an INTERNAL API used throughout Extbase and Fluid for providing backwards-compatibility.
	 * Do not use it in your custom code!
	 *
	 * @param string $featureName
	 * @return boolean
	 */
	public function isFeatureEnabled($featureName);
}
