1: <?php
2:
3: /**
4: * Picon Framework
5: * http://code.google.com/p/picon-framework/
6: *
7: * Copyright (C) 2011-2012 Martin Cassidy <martin.cassidy@webquub.com>
8:
9: * Picon Framework is free software: you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation, either version 3 of the License, or
12: * (at your option) any later version.
13:
14: * Picon Framework is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17: * General Public License for more details.
18:
19: * You should have received a copy of the GNU General Public License
20: * along with Picon Framework. If not, see <http://www.gnu.org/licenses/>.
21: * */
22:
23: namespace picon;
24:
25: /**
26: * Factory for creating data sources from configurations
27: *
28: * @author Martin Cassidy
29: * @package database/source
30: */
31: class DataSourceFactory
32: {
33: private static $drivers = array();
34:
35: private function __construct()
36: {
37:
38: }
39:
40: public static function getDataSource(DataSourceConfig $config)
41: {
42: $driver = self::getDataBaseDriver($config->type);
43: $connection = $driver->connect($config->host, $config->username, $config->password, $config->database, $config->port);
44:
45: return new DataSource($config, $connection, $driver);
46: }
47:
48: private static function getDataBaseDriver(DataSourceType $type)
49: {
50: $driverName = $type->__toString();
51: if(array_key_exists($driverName, self::$drivers))
52: {
53: return self::$drivers[$driverName];
54: }
55: $className = "\\picon\\".$driverName.'Driver';
56: if(class_exists($className))
57: {
58: self::$drivers[$driverName] = new $className();
59: return self::$drivers[$driverName];
60: }
61: throw new \InvalidArgumentException(sprintf('Database driver %s does not exist', $driverName));
62: }
63: }
64:
65: ?>
66: