--- /dev/null
+<?php
+// Initialize layer
+$layer = null;
+
+// Is the type defined?
+if (!defined('_DB_TYPE')) {
+ // Abort here
+ ApplicationEntryPoint::app_die("[Main:] Please define a database type first!<br />
+E.g.:<pre>$GLOBALS['cfg']->defineDatabaseType("local");</pre>
+This will choose the local-file-based database type (layer)");
+}
+
+// Generate FQFN for the database layer
+$INC = sprintf("%sinc/database/lib-%s%s", PATH, _DB_TYPE, FrameworkConfiguration::getInstance()->readConfig("php_extension"));
+
+// Load the database layer include
+if ((file_exists($INC)) && (is_file($INC)) && (is_readable($INC))) {
+ // Load the layer
+ require_once($INC);
+} else {
+ // Layer is missing!
+ ApplicationEntryPoint::app_die(sprintf("[Main:] Database layer is missing! (%s) -> R.I.P.",
+ _DB_TYPE
+ ));
+}
+
+// Clean it up
+unset($INC);
+
+// Prepare database instance
+try {
+ $db = DatabaseConnection::createDatabaseConnection(DebugMiddleware::getInstance(), $layer);
+} catch (NullPointerException $e) {
+ ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
+ $e->getMessage()
+ ));
+} catch (InvalidDirectoryResourceException $e) {
+ ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
+ $e->getMessage()
+ ));
+} catch (PathIsEmptyException $e) {
+ ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
+ $e->getMessage()
+ ));
+} catch (PathIsNoDirectoryException $e) {
+ ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
+ $e->getMessage()
+ ));
+} catch (PathReadProtectedException $e) {
+ ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
+ $e->getMessage()
+ ));
+} catch (DirPointerNotOpenedException $e) {
+ ApplicationEntryPoint::app_die(sprintf("[Main:] Datenbank-System nicht initialisiert. Reason: <strong>%s</strong><br />\n",
+ $e->getMessage()
+ ));
+}
+
+// Datenbankobjekt debuggen
+if (defined('DEBUG_DATABASE_OBJ')) {
+ DebugMiddleware::getInstance()->output(sprintf("Die Datenbank-Schicht sieht wie folgt aus:<br />
+<pre>%s</pre>\n",
+ print_r($db, true)
+ ));
+}
+
+// [EOF]
+?>