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Db.php
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Db.php
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<?php
/**
* ASOworx
* Copyright (c) A Small Orange Software (http://www.asmallorange.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 ASOworx
* @package ASO
* @copyright Copyright (c) A Small Orange Software (http://www.asmallorange.com)
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
/**
* @see ASO_Exception
*/
require_once 'ASO/Exception.php';
/**
* SQL Database abstraction layer.
*
* @category ASOworx
* @package ASO
* @copyright Copyright (c) A Small Orange Software (http://www.asmallorange.com)
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
class ASO_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 ASO_Db_Abstract
*/
public static function factory( $adapter, $config = array() )
{
// Verify that adapter parameters are in an array.
if( !is_array( $config ) )
throw new ASO_Db_Exception('Adapter parameters must be in an array');
// Verify that an adapter name has been specified.
if( !is_string( $adapter ) || empty( $adapter ) )
throw new ASO_Db_Exception( 'Adapter name must be specified in a string' );
// Load the adapter class.
require_once 'ASO/Db/'.$adapter.'.php';
// Create an instance of the adapter, passing the config to it.
$adapterName = 'ASO_Db_' . $adapter;
return new $adapterName( $config );
}
}
class ASO_Db_Exception extends ASO_Exception
{}