class_BaseControllerResolver.php

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<?php
class BaseControllerResolver extends BaseResolver {
        private $controllerPrefix = "";

        private $controllerName = "";

        protected function __construct ($className) {
                // Call parent constructor
                parent::__construct($className);
        }

        protected final function setControllerPrefix ($controllerPrefix) {
                $this->controllerPrefix = $controllerPrefix;
        }

        protected final function setControllerName ($controllerName) {
                $this->controllerName = $controllerName;
        }

        public final function getControllerName () {
                return $this->controllerName;
        }

        public function isControllerValid ($controllerName) {
                // By default nothing shall be valid
                $isValid = false;

                // Is a controller set?
                if (empty($controllerName)) {
                        // Then thrown an exception here
                        throw new EmptyVariableException(array($this, 'controllerName'), self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
                } // END - if

                // Now, let us create the full name of the controller class
                $this->setClassName(sprintf("%s%sController",
                        $this->controllerPrefix,
                        $this->convertToClassName($controllerName)
                ));

                // Try it hard to get an controller
                while ($isValid === false) {
                        // Is this class already loaded?
                        if (class_exists($this->getClassName())) {
                                // This class does exist. :-)
                                $isValid = true;
                        } elseif (($this->getClassName() != $this->controllerPrefix.'DefaultController') && ($this->getClassName() != $this->controllerPrefix.'DefaultNewsController')) {
                                // Do we have news?
                                if ($this->getConfigInstance()->readConfig('page_with_news') == $this->getApplicationInstance()->getRequestInstance()->getRequestElement('page')) {
                                        // Yes, display news in home then set default controller with news
                                        $this->setClassName($this->controllerPrefix . 'DefaultNewsController');
                                } else {
                                        // No news at home page or non-news page
                                        $this->setClassName($this->controllerPrefix . 'DefaultController');
                                }
                        } else {
                                // All is tried, give it up here
                                throw new DefaultControllerException($this, self::EXCEPTION_DEFAULT_CONTROLLER_GONE);
                        }
                } // END - while

                // Return the result
                return $isValid;
        }
}

// [EOF]
?>