--- /dev/null
+<?php
+/**
+ * A action resolver for local (non-hubbed) actions
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, this is free software
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class WebActionResolver extends BaseActionResolver implements ActionResolver {
+ /**
+ * Last successfull resolved action
+ */
+ private $lastActionInstance = "";
+
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+
+ // Set prefix to "Web"
+ $this->setActionPrefix("Web");
+ }
+
+ /**
+ * Creates an instance of a Web action resolver with a given default action
+ *
+ * @param $actionName The default action we shall execute
+ * @param $appInstance An instance of a manageable application helper class
+ * @return $resolverInstance The prepared action resolver instance
+ * @throws EmptyVariableException Thrown if the default action is not set
+ * @throws InvalidActionException Thrown if the default action is invalid
+ */
+ public final static function createWebActionResolver ($actionName, ManageableApplication $appInstance) {
+ // Create the new instance
+ $resolverInstance = new WebActionResolver();
+
+ // Is the variable $actionName set and the action is valid?
+ if (empty($actionName)) {
+ // Then thrown an exception here
+ throw new EmptyVariableException(array($resolverInstance, 'defaultAction'), self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
+ } elseif (!$resolverInstance->isActionValid($actionName)) {
+ // Invalid action found
+ throw new InvalidActionException(array($resolverInstance, $actionName), self::EXCEPTION_INVALID_ACTION);
+ }
+
+ // Set the application instance
+ $resolverInstance->setApplicationInstance($appInstance);
+
+ // Return the prepared instance
+ return $resolverInstance;
+ }
+
+ /**
+ * Returns an action instance for a given request class or null if
+ * it was not found
+ *
+ * @param $requestInstance An instance of a request class
+ * @return $actionInstance An instance of the resolved action
+ * @throws InvalidActionException Thrown if $actionName is
+ * invalid
+ * @throws InvalidActionInstanceException Thrown if $actionInstance
+ * is an invalid instance
+ */
+ public function resolveActionByRequest (Requestable $requestInstance) {
+ // Init variables
+ $actionName = "";
+ $actionInstance = null;
+
+ // This goes fine so let's resolv the action
+ $actionName = $requestInstance->getRequestElement('action');
+
+ // Is the action empty? Then fall back to default action
+ if (empty($actionName)) $actionName = $this->getConfigInstance()->readConfig('default_action');
+
+ // Check if the action is valid
+ if (!$this->isActionValid($actionName)) {
+ // This action is invalid!
+ throw new InvalidActionException(array($this, $actionName), self::EXCEPTION_INVALID_ACTION);
+ } // END - if
+
+ // Get the action
+ $actionInstance = $this->loadAction();
+
+ // And validate it
+ if ((!is_object($actionInstance)) || (!$actionInstance instanceof Actionable)) {
+ // This action has an invalid instance!
+ throw new InvalidActionInstanceException(array($this, $actionName), self::EXCEPTION_INVALID_ACTION);
+ } // END - if
+
+ // Set last action
+ $this->lastActionInstance = $actionInstance;
+
+ // Return the resolved action instance
+ return $actionInstance;
+ }
+
+ /**
+ * Resolves the action by its direct name and returns an instance of its class
+ *
+ * @return $actionInstance An instance of the action class
+ * @throws InvalidActionException Thrown if $actionName is invalid
+ */
+ public function resolveAction () {
+ // Initiate the instance variable
+ $actionInstance = null;
+
+ // Get action name
+ $actionName = $this->getActionName();
+
+ // Is the action empty? Then fall back to default action
+ if (empty($actionName)) $actionName = $this->getConfigInstance()->readConfig('default_action');
+
+ // Check if the action is valid
+ if (!$this->isActionValid($actionName)) {
+ // This action is invalid!
+ throw new InvalidActionException(array($this, $actionName), self::EXCEPTION_INVALID_ACTION);
+ }
+
+ // Get the action
+ $actionInstance = $this->loadAction();
+
+ // Return the instance
+ return $actionInstance;
+ }
+}
+
+// [EOF]
+?>
projects / hub.git / blobdiff