1 <?php

     2 

     3 /*

     4  * Copyright 2011 Johannes M. Schmitt <schmittjoh@gmail.com>

     5  *

     6  * Licensed under the Apache License, Version 2.0 (the "License");

     7  * you may not use this file except in compliance with the License.

     8  * You may obtain a copy of the License at

     9  *

    10  * http://www.apache.org/licenses/LICENSE-2.0

    11  *

    12  * Unless required by applicable law or agreed to in writing, software

    13  * distributed under the License is distributed on an "AS IS" BASIS,

    14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    15  * See the License for the specific language governing permissions and

    16  * limitations under the License.

    17  */

    18 

    19 namespace Metadata\Driver;

    20 

    21 final class DriverChain implements DriverInterface

    22 {

    23     private $drivers;

    24 

    25     public function __construct(array $drivers)

    26     {

    27         $this->drivers = $drivers;

    28     }

    29 

    30     public function loadMetadataForClass(\ReflectionClass $class)

    31     {

    32         foreach ($this->drivers as $driver) {

    33             if (null !== $metadata = $driver->loadMetadataForClass($class)) {

    34                 return $metadata;

    35             }

    36         }

    37 

    38         return null;

    39     }

    40 }