--- /dev/null
+<?php
+/**
+ * A generic action resolver class
+ *
+ * @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 BaseActionResolver extends BaseResolver {
+ /**
+ * Prefix for local, remote or other resolver
+ */
+ private $actionPrefix = "";
+
+ /**
+ * Validated action name
+ */
+ private $actionName = "";
+
+ /**
+ * Protected constructor
+ *
+ * @param $className Name of the class
+ * @return void
+ */
+ protected function __construct ($className) {
+ // Call parent constructor
+ parent::__construct($className);
+ }
+
+ /**
+ * Setter for action prefix
+ *
+ * @param $actionPrefix Last validated actionPrefix
+ * @return void
+ */
+ protected final function setActionPrefix ($actionPrefix) {
+ $this->actionPrefix = $actionPrefix;
+ }
+
+ /**
+ * Setter for action name
+ *
+ * @param $actionName Last validated action name
+ * @return void
+ */
+ protected final function setActionName ($actionName) {
+ $this->actionName = $actionName;
+ }
+
+ /**
+ * Getter for action name
+ *
+ * @return $actionName Last validated action name
+ */
+ protected final function getActionName () {
+ return $this->actionName;
+ }
+
+ /**
+ * Checks wether the given action is valid
+ *
+ * @param $actionName The default action we shall execute
+ * @return $isValid Wether the given action is valid
+ * @throws EmptyVariableException Thrown if the given action is not set
+ */
+ public function isActionValid ($actionName) {
+ // By default nothing shall be valid
+ $isValid = false;
+
+ // Is a action set?
+ if (empty($actionName)) {
+ // Then thrown an exception here
+ throw new EmptyVariableException(array($this, 'actionName'), self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
+ } // END - if
+
+ // Now, let us create the full name of the action class
+ $this->setClassName(sprintf("%s%sAction",
+ $this->actionPrefix,
+ $this->convertToClassName($actionName)
+ ));
+
+ // Is this class already loaded?
+ if (class_exists($this->getClassName())) {
+ // This class does exist. :-)
+ $isValid = true;
+ } // END - if
+
+ // Debug output
+ //* DEBUG: */ $this->debugBackTrace();
+
+ // Set action name
+ $this->setActionName($actionName);
+
+ // Return the result
+ return $isValid;
+ }
+
+ /**
+ * "Loads" current action and instances it if not yet cached
+ *
+ * @return $actionInstance A loaded action instance
+ * @throws InvalidActionException Thrown if even the default
+ * action class is missing (bad!)
+ */
+ protected function loadAction () {
+ // Init action instance
+ $actionInstance = null;
+
+ // Create action class name
+ $this->setClassName(sprintf("Web%sAction",
+ $this->convertToClassName($this->getActionName())
+ ));
+
+ // Initiate the action
+ $actionInstance = ObjectFactory::createObjectByName($this->getClassName(), array($this));
+
+ // Return the result
+ return $actionInstance;
+ }
+}
+
+// [EOF]
+?>