<?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 Metadata\Driver;

final class DriverChain implements DriverInterface
{
    private $drivers;

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

    public function loadMetadataForClass(\ReflectionClass $class)
    {
        foreach ($this->drivers as $driver) {
            if (null !== $metadata = $driver->loadMetadataForClass($class)) {
                return $metadata;
            }
        }

        return null;
    }
}