+ /**
+ * Resolves the command by its direct name and returns an instance of its class
+ *
+ * @param $commandName The direct command name we shall resolve
+ * @return $commandInstance An instance of the command class
+ * @throws InvalidCommandException Thrown if $commandName is invalid
+ */
+ public function resolveCommand ($commandName) {
+ // Initiate the instance variable
+ $commandInstance = null;
+
+ // Is the command empty? Then fall back to default command
+ if (empty($commandName)) $commandName = $this->getConfigInstance()->readConfig('default_command');
+
+ // Check if the command is valid
+ if (!$this->isCommandValid($commandName)) {
+ // This command is invalid!
+ throw new InvalidCommandException(array($this, $commandName), self::EXCEPTION_INVALID_COMMAND);
+ }
+
+ // Get the command
+ $commandInstance = $this->loadCommand($commandName);
+
+ // Return the instance
+ return $commandInstance;
+ }
+