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<?php
/**
* Colony
* Copyright (c) Army of Bees (www.armyofbees.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @category Colony
* @package Bee
* @copyright Copyright (c) Army of Bees (www.armyofbees.com)
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
 
/**
* @see Bee_Exception
*/
require_once 'Bee/Exception.php';

/**
* SQL Database abstraction layer.
*
* @category Colony
* @package Bee
* @copyright Copyright (c) Army of Bees (www.armyofbees.com)
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
class Bee_Db
{
    /**
* Creates the database adapter using the name passed.
*
* @param string $adapter The name of the adapter to use.
* @param array $config The configuration to pass to the adapter.
* @return Bee_Db_Abstract
*/
    public static function factory( $adapter, $config = array() )
    {
        // Verify that adapter parameters are in an array.
        if( !is_array( $config ) )
            throw new Bee_Db_Exception('Adapter parameters must be in an array');
            
        // Verify that an adapter name has been specified.
        if( !is_string( $adapter ) || empty( $adapter ) )
            throw new Bee_Db_Exception( 'Adapter name must be specified in a string' );
            
        // Load the adapter class.
        require_once 'Bee/Db/'.$adapter.'.php';

        // Create an instance of the adapter, passing the config to it.
        $adapterName = 'Bee_Db_' . $adapter;
        return new $adapterName( $config );
    }

}

class Bee_Db_Exception extends Bee_Exception
{}
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