inc/classes/main/extended/class_SerializationContainer.php

   1 <?php
   2 /**
   3  * This class contains object attributes which we can now send together to
   4  * other classes
   5  *
   6  * @author              Roland Haeder <webmaster@mxchange.org>
   7  * @version             0.0.0
   8  * @copyright   Copyright(c) 2007, 2008 Roland Haeder, this is free software
   9  * @license             GNU GPL 3.0 or any newer version
  10  * @link                http://www.ship-simu.org
  11  *
  12  * This program is free software: you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation, either version 3 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  24  */
  25 class SerializationContainer extends FrameworkArrayObject {
  26         /**
  27          * Public constructor, if you like to have an object of this class...
  28          *
  29          * @return      void
  30          */
  31         public function __construct () {
  32                 // Call parent constructor
  33                 parent::__construct(__CLASS__);
  34         }
  35
  36         /**
  37          * Create a SerializationContainer object by applying the limitations
  38          * in $limitInstance on $object. The resulting data container will only
  39          * hold the attributed and their values which we have specified in
  40          * the limitation object.
  41          *
  42          * @param               $limitInstance                  The instance to the object ObjectLimits
  43          * @param               $object                         The origin object. We don't touch it here.
  44          * @return      $containerInstance              An instance of SerializationContainer
  45          * @throws      GetterNotFoundException If a getter was not found
  46          */
  47         public final static function createSerializationContainer (ObjectLimits $limitInstance, FrameworkInterface $object) {
  48                 // Get an instance
  49                 $containerInstance = new SerializationContainer();
  50
  51                 // Iterate through the whole limitation array
  52                 for ($idx = $limitInstance->getLimitArray()->getIterator(); $idx->valid(); $idx->next()) {
  53                         // Get current item from list
  54                         $curr = ucfirst($idx->current());
  55
  56                         // Is the required method available?
  57                         if (method_exists($object, sprintf("get%s", $curr))) {
  58                                 // Generate a command for getting it
  59                                 $eval = sprintf("\$value = \$object->get%s();",
  60                                         $curr
  61                                 );
  62
  63                                 // Debug eval command
  64                                 if (defined('DEBUG_EVAL')) $limitInstance->getDebugInstance()->output(sprintf("[%s:] Constructed PHP command: <pre><em>%s</em></pre><br />\n",
  65                                         $this->__toString(),
  66                                         htmlentities($eval)
  67                                 ));
  68
  69                                 // Run it
  70                                 eval($eval);
  71
  72                                 // Add this item to the container list
  73                                 $containerInstance->append(array(
  74                                         'name'  => $curr,
  75                                         'value' => $value
  76                                 ));
  77                         } else {
  78                                 // Throw an exception
  79                                 throw new GetterNotFoundException(array($object, $curr), self::EXCEPTION_GETTER_IS_MISSING);
  80                         }
  81                 } // END - for
  82
  83                 // Return container instance
  84                 return $containerInstance;
  85         }
  86 }
  87
  88 // [EOF]
  89 ?>