<?php
namespace TYPO3\CMS\Lang\Service;

/*
 * 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!
 */

/**
 * Registry service
 *
 * @author Kai Vogel <k.vogel@reply.de>
 */
class RegistryService {

	/**
	 * @var \TYPO3\CMS\Core\Registry
	 * @inject
	 */
	protected $registry;

	/**
	 * @var string
	 */
	protected $namespaceIdentifier = 'TYPO3\\CMS\\Lang';

	/**
	 * Set namespace
	 *
	 * @param string $namespace The namespace
	 * @return void
	 */
	public function setNamespace($namespace) {
		$this->namespaceIdentifier = $namespace;
	}

	/**
	 * Get namespace
	 *
	 * @return string The namespace
	 */
	public function getNamespace() {
		return $this->namespaceIdentifier;
	}

	/**
	 * Check for existing registry entry
	 *
	 * @param string $name Registry entry name
	 * @param string $namespace Optional namespace
	 * @return bool TRUE if exists
	 */
	public function has($name, $namespace = NULL) {
		$namespace = (is_string($namespace) ? $namespace : $this->namespaceIdentifier);
		$value = $this->registry->get($namespace, $name, '__NOTFOUND__');
		return ($value !== '__NOTFOUND__');
	}

	/**
	 * Get registry entry
	 *
	 * @param string $name Registry entry name
	 * @param string $namespace Optional namespace
	 * @return mixed Registry content
	 */
	public function get($name, $namespace = NULL) {
		$namespace = (is_string($namespace) ? $namespace : $this->namespaceIdentifier);
		return $this->registry->get($namespace, $name);
	}

	/**
	 * Add / override registry entry
	 *
	 * @param string $name Registry entry name
	 * @param mixed $value The value
	 * @param string $namespace Optional namespace
	 * @return void
	 */
	public function set($name, $value, $namespace = NULL) {
		$namespace = (is_string($namespace) ? $namespace : $this->namespaceIdentifier);
		$this->registry->set($namespace, $name, $value);
	}

	/**
	 * Remove registry entry
	 *
	 * @param string $name Registry entry name
	 * @param string $namespace Optional namespace
	 * @return void
	 */
	public function remove($name, $namespace = NULL) {
		$namespace = (is_string($namespace) ? $namespace : $this->namespaceIdentifier);
		$this->registry->remove($namespace, $name);
	}

}