Mcustiel\Conversion\SingletonConverterContainer

Complexity

Total Complexity

5

Size/Duplication

Total Lines	59
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	addConverter()	0	3	1
A	getConverter()	0	3	1
A	getInstance()	0	7	2

<?php
/**
 * This file is part of php-simple-conversion.
 *
 * php-simple-conversion is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * php-simple-conversion is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with php-simple-conversion.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Mcustiel\Conversion;

/**
 * Singleton class the holds all the registered converters, and allows to access them.
 *
 * @author mcustiel
 */
class SingletonConverterContainer implements ConverterContainer
{
    /**
     * @var ConverterContainer
     */
    private static $instance;

    /**
     * @var SimpleConverterContainer
     */
    private $container;

    /**
     * This is singleton, can't be instantiated directly.
     */
    private function __construct()
    {
        $this->container = new SimpleConverterContainer();
    }

    /**
     * Get the instance of this class.
     *
     * @return \Mcustiel\Conversion\ConverterContainer
     */
    public static function getInstance()
    {
        if (self::$instance === null) {
            self::$instance = new self();
        }

        return self::$instance;
    }

    /**
     * Registers a converter.
     *
     * @param ConverterBuilder $converter the builder of the converter to register
     *
     * @throws \InvalidArgumentException if from or to are unset
     */
    public function addConverter(ConverterBuilder $converter)
    {
        $this->container->addConverter($converter);
    }

    /**
     * Access the implementation of the converter for the given from and to parameters.
     *
     * @param string $from the type from which the converter converts
     * @param string $to   the type to which the converter converts to
     *
     * @throws \Mcustiel\Conversion\Exception\ConverterDoesNotExistException
     *
     * @return Converter
     */
    public function getConverter($from, $to)
    {
        return $this->container->getConverter($from, $to);
    }
}