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 class SerializationContainer extends FrameworkArrayObject {
   7         /**
   8          * Public constructor, if you like to have an object of this class...
   9          *
  10          * @return      void
  11          */
  12         public function __construct () {
  13                 // Call parent constructor
  14                 parent::constructor(__CLASS__);
  15
  16                 // Debug message
  17                 if ((defined('DEBUG_CONTAINER')) && (defined('DEBUG_CONSTRUCT'))) $this->getDebugInstance()->output("[SerializationContainer:] Konstruktor erreicht.<br />\n");
  18         }
  19
  20         /**
  21          * Create a SerializationContainer object by applying the limitations
  22          * in $limitInstance on $object. The resulting data container will only
  23          * hold the attributed and their values which we have specified in
  24          * the limitation object.
  25          *
  26          * @param               $limitInstance                  The instance to the object ObjectLimits
  27          * @param               $object                         The origin object. We don't touch it here.
  28          * @return      $containerInstance              An instance of SerializationContainer
  29          * @throws      GetterNotFoundException If a getter was not found
  30          */
  31         public final static function createSerializationContainer (ObjectLimits $limitInstance, $object) {
  32                 // Get an instance
  33                 $containerInstance = new SerializationContainer();
  34
  35                 // Iterate through the whole limitation array
  36                 for ($idx = $limitInstance->getLimitArray()->getIterator(); $idx->valid(); $idx->next()) {
  37                         // Get current item from list
  38                         $curr = ucfirst($idx->current());
  39
  40                         // Is the required method available?
  41                         if (method_exists($object, sprintf("get%s", $curr))) {
  42                                 // Generate a command for getting it
  43                                 $eval = sprintf("\$value = \$object->get%s();",
  44                                         $curr
  45                                 );
  46
  47                                 // Debug eval command
  48                                 if ((defined('DEBUG_EVAL')) || (defined('DEBUG_ALL'))) $limitInstance->getDebugInstance()->output(sprintf("[%s:] Konstruierte PHP-Anweisung: <pre><em>%s</em></pre><br />\n",
  49                                         $this->__toString(),
  50                                         htmlentities($eval)
  51                                 ));
  52
  53                                 // Run it
  54                                 @eval($eval);
  55
  56                                 // Add this item to the container list
  57                                 $containerInstance->append(array(
  58                                         'name'  => $curr,
  59                                         'value' => $value
  60                                 ));
  61                         } else {
  62                                 // Throw an exception
  63                                 throw new GetterNotFoundException(array($object, $curr), self::EXCEPTION_GETTER_IS_MISSING);
  64                         }
  65                 } // END - for
  66
  67                 // Return container instance
  68                 return $containerInstance;
  69         }
  70 }
  71
  72 // [EOF]
  73 ?>