3 * Initializes the database layer
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software
8 * @license GNU GPL 3.0 or any newer version
9 * @link http://www.ship-simu.org
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
26 $layerInstance = null;
28 // Get config instance
29 $cfg = FrameworkConfiguration::getInstance();
31 // Generate FQFN for the database layer
32 $INC = sprintf("%sinc/database/lib-%s.php",
33 $cfg->readConfig('base_path'),
34 $cfg->readConfig('db_type')
37 // Load the database layer include
38 if ((file_exists($INC)) && (is_file($INC)) && (is_readable($INC))) {
43 ApplicationEntryPoint::app_die(sprintf("[Main:] Database layer is missing! (%s) -> R.I.P.",
44 $cfg->readConfig('db_type')
51 // Prepare database instance
53 $db = DatabaseConnection::createDatabaseConnection(DebugMiddleware::getInstance(), $layerInstance);
54 } catch (NullPointerException $e) {
55 ApplicationEntryPoint::app_die(sprintf("[Main:] Database sub-system not initialized for the follwing reason: <span class=\"exception_reason\">%s</span><br />\n",
58 } catch (InvalidDirectoryResourceException $e) {
59 ApplicationEntryPoint::app_die(sprintf("[Main:] Database sub-system not initialized for the follwing reason: <span class=\"exception_reason\">%s</span><br />\n",
62 } catch (PathIsEmptyException $e) {
63 ApplicationEntryPoint::app_die(sprintf("[Main:] Database sub-system not initialized for the follwing reason: <span class=\"exception_reason\">%s</span><br />\n",
66 } catch (PathIsNoDirectoryException $e) {
67 ApplicationEntryPoint::app_die(sprintf("[Main:] Database sub-system not initialized for the follwing reason: <span class=\"exception_reason\">%s</span><br />\n",
70 } catch (PathReadProtectedException $e) {
71 ApplicationEntryPoint::app_die(sprintf("[Main:] Database sub-system not initialized for the follwing reason: <span class=\"exception_reason\">%s</span><br />\n",
74 } catch (DirPointerNotOpenedException $e) {
75 ApplicationEntryPoint::app_die(sprintf("[Main:] Database sub-system not initialized for the follwing reason: <span class=\"exception_reason\">%s</span><br />\n",
80 // Is the app variable there and valid?
81 if (is_object($app)) $app->setDatabaseInstance($db);
83 // Datenbankobjekt debuggen
84 if (defined('DEBUG_DATABASE_OBJ')) {
85 DebugMiddleware::getInstance()->output(sprintf("The database sub-system does now look like this:<br />