3 * A generic action resolver class
5 * @author Roland Haeder <webmaster@ship-simu.org>
7 * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
8 * @license GNU GPL 3.0 or any newer version
9 * @link http://www.ship-simu.org
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 class BaseActionResolver extends BaseResolver {
26 * Prefix for local, remote or other resolver
28 private $actionPrefix = "";
31 * Validated action name
33 private $actionName = "";
36 * Protected constructor
40 protected function __construct ($className) {
41 // Call parent constructor
42 parent::__construct($className);
46 * Setter for action prefix
48 * @param $actionPrefix Last validated actionPrefix
51 protected final function setActionPrefix ($actionPrefix) {
52 $this->actionPrefix = $actionPrefix;
56 * Setter for action name
58 * @param $actionName Last validated action name
61 protected final function setActionName ($actionName) {
62 $this->actionName = $actionName;
66 * Getter for action name
68 * @return $actionName Last validated action name
70 protected final function getActionName () {
71 return $this->actionName;
75 * Checks wether the given action is valid
77 * @param $actionName The default action we shall execute
78 * @return $isValid Wether the given action is valid
79 * @throws EmptyVariableException Thrown if the given action is not set
81 public function isActionValid ($actionName) {
82 // By default nothing shall be valid
86 if (empty($actionName)) {
87 // Then thrown an exception here
88 throw new EmptyVariableException(array($this, 'actionName'), self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
91 // Now, let us create the full name of the action class
92 $className = sprintf("%s%sAction",
94 $this->convertToClassName($actionName)
97 // Is this class already loaded?
98 if (class_exists($className)) {
99 // This class does exist. :-)
104 //* DEBUG: */ $this->debugBacktrace();
107 $this->setActionName($actionName);
114 * "Loads" current action and instances it if not yet cached
116 * @return $actionInstance A loaded action instance
117 * @throws InvalidActionException Thrown if even the default
118 * action class is missing (bad!)
120 protected function loadAction () {
121 // Init action instance
122 $actionInstance = null;
124 // Create action class name
125 $className = sprintf("Web%sAction",
126 $this->convertToClassName($this->getActionName())
129 // Initiate the action
130 $actionInstance = ObjectFactory::createObjectByName($className, array($this));
133 return $actionInstance;