refactoring database and error classes.

system/db.php

@@ -20,10 +20,7 @@ class DB {
 	 */
 	public static function connection($connection = null)
 	{
-		if (is_null($connection))
-		{
-			$connection = Config::get('db.default');
-		}
+		if (is_null($connection)) $connection = Config::get('db.default');
 
 		if ( ! array_key_exists($connection, static::$connections))
 		{

system/error.php

@@ -38,7 +38,7 @@ class Error {
 
 		$severity = (array_key_exists($e->getCode(), static::$levels)) ? static::$levels[$e->getCode()] : $e->getCode();
 
-		$message = rtrim($e->getMessage(), '.').' in '.str_replace(array(APP_PATH, SYS_PATH), array('APP_PATH/', 'SYS_PATH/'), $e->getFile()).' on line '.$e->getLine().'.';
+		$message = static::format($e);
 
 		if (Config::get('error.log'))
 		{
@@ -50,6 +50,19 @@ class Error {
 		exit(1);
 	}
 
+	/**
+	 * Format the error message for a given exception.
+	 *
+	 * @param  Exception  $e
+	 * @return string
+	 */
+	private static function format($e)
+	{
+		$file = str_replace(array(APP_PATH, SYS_PATH), array('APP_PATH/', 'SYS_PATH/'), $e->getFile());
+
+		return rtrim($e->getMessage(), '.').' in '.$file.' on line '.$e->getLine().'.';
+	}
+
 	/**
 	 * Show the error view.
 	 *