Implemented new Configuration handling

library/Msd/Config/IoHandler/Interface.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * This file is part of MySQLDumper released under the GNU/GPL 2 license
+ * http://www.mysqldumper.net
+ *
+ * @package         MySQLDumper
+ * @subpackage      Config_IoHandler
+ * @version         SVN: $Rev$
+ * @author          $Author$
+ */
+/**
+ * Interface for configuration IO-Handler.
+ *
+ * @package         MySQLDumper
+ * @subpackage      Config_IoHandler
+ */
+interface Msd_Config_IoHandler_Interface
+{
+    /**
+     * Class constructor
+     *
+     * @abstract
+     *
+     * @param array $handlerOptions
+     *
+     * @return Msd_Config_IoHandler_Interface
+     */
+    public function __construct($handlerOptions = array());
+
+    /**
+     * Loads and returns the configuration.
+     *
+     * @abstract
+     *
+     * @param string $configFilename
+     *
+     * @return array
+     */
+    public function load($configFilename);
+
+    /**
+     * Saves the configuration.
+     *
+     * @abstract
+     *
+     * @param array $config
+     *
+     * @return bool
+     */
+    public function save($config);
+}