JMSSerializerBundle/Serializer/Exclusion/ExclusionStrategyFactory.php

<?php

/*
 * Copyright 2011 Johannes M. Schmitt <schmittjoh@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace JMS\SerializerBundle\Serializer\Exclusion;

use JMS\SerializerBundle\Exception\RuntimeException;

/**
 * ExclusionStrategyFactory implementation.
 *
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
class ExclusionStrategyFactory implements ExclusionStrategyFactoryInterface
{
    private $strategies;

    public function __construct(array $strategies)
    {
        $this->strategies = $strategies;
    }

    /**
     * {@inheritDoc}
     */
    public function getStrategy($name)
    {
        if (isset($this->strategies[$name])) {
            return $this->strategies[$name];
        }

        throw new RuntimeException(sprintf('Unknown exclusion strategy "%s".', $name));
    }
}