Style convention applied (incomplete), pre/post filters added for form handler
[shipsimu.git] / inc / classes / main / resolver / class_BaseResolver.php
1 <?php
2 /**
3  * A generic resolver class
4  *
5  * @author              Roland Haeder <webmaster@ship-simu.org>
6  * @version             0.0.0
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
10  *
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.
15  *
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.
20  *
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/>.
23  */
24 class BaseResolver extends BaseFrameworkSystem {
25         /**
26          * Validated command name
27          */
28         private $commandName = "";
29
30         /**
31          * Prefix for local, remote or other resolver
32          */
33         private $commandPrefix = "";
34
35         /**
36          * A controller instance
37          */
38         private $controllerInstance = null;
39
40         /**
41          * Protected constructor
42          *
43          * @return      void
44          */
45         protected function __construct ($class) {
46                 // Call parent constructor
47                 parent::__construct($class);
48
49                 // Clean up a little
50                 $this->removeNumberFormaters();
51                 $this->removeSystemArray();
52         }
53
54         /**
55          * Setter for controller instance (this surely breaks a bit the MVC patterm)
56          *
57          * @param       $controllerInstance             An instance of the controller
58          * @return      void
59          */
60         public final function setControllerInstance (Controller $controllerInstance) {
61                 $this->controllerInstance = $controllerInstance;
62         }
63
64         /**
65          * Getter for controller instance (this surely breaks a bit the MVC patterm)
66          *
67          * @return      $controllerInstance             An instance of the controller
68          */
69         public final function getControllerInstance () {
70                 return $this->controllerInstance;
71         }
72
73         /**
74          * Setter for command name
75          *
76          * @param       $commandName    Last validated command name
77          * @return      void
78          */
79         protected final function setCommandName ($commandName) {
80                 $this->commandName = $commandName;
81         }
82
83         /**
84          * Getter for command name
85          *
86          * @return      $commandName    Last validated command name
87          */
88         protected final function getCommandName () {
89                 return $this->commandName;
90         }
91
92         /**
93          * Setter for command prefix
94          *
95          * @param       $commandPrefix  Last validated commandPrefix
96          * @return      void
97          */
98         protected final function setCommandPrefix ($commandPrefix) {
99                 $this->commandPrefix = $commandPrefix;
100         }
101
102         /**
103          * Checks wether the given command is valid
104          *
105          * @param       $commandName    The default command we shall execute
106          * @return      $isValid                Wether the given command is valid
107          * @throws      EmptyVariableException  Thrown if the given command is not set
108          */
109         public function isCommandValid ($commandName) {
110                 // By default nothing shall be valid
111                 $isValid = false;
112
113                 // Is a command set?
114                 if (empty($commandName)) {
115                         // Then thrown an exception here
116                         throw new EmptyVariableException(array($this, 'commandName'), self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
117                 }
118
119                 // Now, let us create the full name of the command class
120                 $class = sprintf("%s%sCommand",
121                         $this->commandPrefix,
122                         $this->convertToClassName($commandName)
123                 );
124
125                 // Is this class already loaded?
126                 if (class_exists($class)) {
127                         // This class does exist. :-)
128                         $isValid = true;
129                 }
130
131                 // Debug output
132                 //echo "<strong>----- ".__METHOD__." -----</strong><br />\n";
133                 //print($class."<pre>");
134                 //debug_print_backtrace();
135                 //var_dump($isValid);
136                 //print("</pre>");
137
138                 // Set command name
139                 $this->setCommandName($commandName);
140
141                 // Return the result
142                 return $isValid;
143         }
144 }
145
146 // [EOF]
147 ?>