current state as framework

core/Driver.inc

@@ -0,0 +1,96 @@
+<?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	DriverNotFoundException
+		 * @throws	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(ClassNotValidException $e) {
+				throw new DriverNotValidException($e->getClassName());
+			}
+			catch(ClassNotFoundException $e) {
+				throw new DriverNotFoundException($e->getClassName());
+			}
+		}
+		
+		
+		/**
+		 * Instantiate a Driver (Factory Pattern).
+		 * 
+		 * @param	string	$driverName	Name of the Driver to instantiate
+		 */
+		public static function factory($driverName, $config)
+		{
+			// Determine full classname
+			$className = self::getClassName($driverName);
+			
+			
+			// Construct and return Driver
+			return new $className($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)
+		{
+			$className = \nre\core\ClassLoader::concatClassNames($driverName, \nre\core\ClassLoader::stripNamespace(get_class()));
+			
+			
+			return "\\nre\\drivers\\$className";
+		}
+		
+		
+		
+		
+		/**
+		 * Construct a new Driver.
+		 */
+		protected function __construct()
+		{
+		}
+		
+	}
+
+?>