implement copying of Stations for Seminary copy feature

core/Driver.inc

@@ -0,0 +1,97 @@
+<?php
+
+    /**
+     * NRE
+     *
+     * @author      coderkun <olli@coderkun.de>
+     * @copyright   2013 coderkun (http://www.coderkun.de)
+     * @license     http://www.gnu.org/licenses/gpl.html
+     * @link        http://www.coderkun.de/projects/nre
+     */
+
+    namespace nre\core;
+
+
+    /**
+     * Abstract class for implementing a Driver.
+     * 
+     * @author  coderkun <olli@coderkun.de>
+     */
+    abstract class Driver
+    {
+
+
+
+
+        /**
+         * Load the class of a Driver.
+         * 
+         * @throws  \nre\exceptions\DriverNotFoundException
+         * @throws  \nre\exceptions\DriverNotValidException
+         * @param   string  $driverName Name of the Driver to load
+         */
+        public static function load($driverName)
+        {
+            // Determine full classname
+            $className = self::getClassName($driverName);
+
+            try {
+                // Load class
+                ClassLoader::load($className);
+
+                // Validate class
+                ClassLoader::check($className, get_class());
+            }
+            catch(\nre\exceptions\ClassNotValidException $e) {
+                throw new \nre\exceptions\DriverNotValidException($e->getClassName());
+            }
+            catch(\nre\exceptions\ClassNotFoundException $e) {
+                throw new \nre\exceptions\DriverNotFoundException($e->getClassName());
+            }
+        }
+
+
+        /**
+         * Instantiate a Driver (Factory Pattern).
+         * 
+         * @param   string  $driverName Name of the Driver to instantiate
+         * @param   array   $config     Configuration settings
+         */
+        public static function factory($driverName, $config)
+        {
+            // Determine full classname
+            $className = self::getClassName($driverName);
+
+
+            // Construct and return Driver
+            return $className::singleton($config);
+        }
+
+
+        /**
+         * Determine the classname for the given Driver name.
+         * 
+         * @param   string  $driverName Driver name to get classname of
+         * @return  string              Classname fore the Driver name
+         */
+        private static function getClassName($driverName)
+        {
+            $className = ClassLoader::concatClassNames($driverName, ClassLoader::stripNamespace(get_class()));
+
+
+            return "\\nre\\drivers\\$className";
+        }
+
+
+
+
+        /**
+         * Construct a new Driver.
+         */
+        protected function __construct()
+        {
+        }
+
+    }
+
+?>