-
- /**
- * Resolves the default controller of the given command
- *
- * @return $controllerInstance A controller instance for the default
- * command
- * @throws InvalidControllerInstanceException Thrown if $controllerInstance
- * is invalid
- */
- public function resolveController () {
- // Init variables
- $controllerName = "";
- $controllerInstance = null;
-
- // Get the command name
- $controllerName = $this->getControllerName();
-
- // Get the command
- $controllerInstance = $this->loadController($controllerName);
-
- // And validate it
- if ((!is_object($controllerInstance)) || (!$controllerInstance instanceof Controller)) {
- // This command has an invalid instance!
- throw new InvalidControllerInstanceException(array($this, $controllerName), self::EXCEPTION_INVALID_CONTROLLER);
- } // END - if
-
- // Set last controller
- $this->lastControllerInstance = $controllerInstance;
-
- // Return the maybe resolved instance
- return $controllerInstance;
- }
-
- /**
- * "Loads" a given controller and instances it if not yet cached. If the
- * controller was not found one of the default controllers will be used
- * depending on wether news shall be displayed.
- *
- * @param $controllerName A controller name we shall look for
- * @return $controllerInstance A loaded controller instance
- * @throws InvalidControllerException Thrown if even the requested
- * controller class is missing (bad!)
- */
- private function loadController ($controllerName) {
- // Cache default command
- $defaultController = $this->getConfigInstance()->readConfig('default_image_command');
-
- // Init controller instance
- $controllerInstance = null;
-
- // Default controller
- $this->setClassName($defaultController);
-
- // Generate the class name
- //* DEBUG: */ echo __METHOD__.": Controller=".$controllerName;
- if ($controllerName != $defaultController) {
- // Create controller class name
- $this->setClassName(sprintf("Image%sController",
- $this->convertToClassName($controllerName)
- ));
- } // END - if
- //* DEBUG: */ echo ", controller=".$this->getClassName()."<br />\n";
-
- // Is this class loaded?
- if (!class_exists($this->getClassName())) {
- // Class not found, so or throw an exception
- throw new InvalidControllerException(array($this, $controllerName), self::EXCEPTION_INVALID_CONTROLLER);
- } // END - if
-
- // Initiate the resolver and controller
- $resolverInstance = ObjectFactory::createObjectByConfiguredName('image_cmd_resolver_class', array($controllerName, $this->getApplicationInstance()));
- $controllerInstance = ObjectFactory::createObjectByName($this->getClassName(), array($resolverInstance));
-
- // Remove resolver
- unset($resolverInstance);
-
- // Return the result
- return $controllerInstance;
- }