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
38 * @param $className Name of the class
41 protected function __construct ($className) {
42 // Call parent constructor
43 parent::__construct($className);
47 * Setter for action prefix
49 * @param $actionPrefix Last validated actionPrefix
52 protected final function setActionPrefix ($actionPrefix) {
53 $this->actionPrefix = $actionPrefix;
57 * Setter for action name
59 * @param $actionName Last validated action name
62 protected final function setActionName ($actionName) {
63 $this->actionName = (string) $actionName;
67 * Getter for action name
69 * @return $actionName Last validated action name
71 public final function getActionName () {
72 return $this->actionName;
76 * Checks wether the given action is valid
78 * @param $actionName The default action we shall execute
79 * @return $isValid Wether the given action is valid
80 * @throws EmptyVariableException Thrown if given action is not set
82 public function isActionValid ($actionName) {
83 // By default nothing shall be valid
87 if (empty($actionName)) {
88 // Then thrown an exception here
89 throw new EmptyVariableException(array($this, 'actionName'), self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
92 // Now, let us create the full name of the action class
93 $this->setClassName(sprintf("%s%sAction",
95 $this->convertToClassName($actionName)
98 // Is this class already loaded?
99 if (class_exists($this->getClassName())) {
100 // This class does exist. :-)
105 $this->setActionName($actionName);
112 * "Loads" current action and instances it if not yet cached
114 * @return $actionInstance A loaded action instance
116 protected function loadAction () {
117 // Init action instance
118 $actionInstance = null;
120 // Create action class name
121 $this->setClassName(sprintf("Web%sAction",
122 $this->convertToClassName($this->getActionName())
125 // Initiate the action
126 $actionInstance = ObjectFactory::createObjectByName($this->getClassName(), array($this));
129 return $actionInstance;