CompoundWebService.php

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<?php


abstract class CompoundWebService extends WebService
{
  function __construct() { }

  function __destruct() { }

// setSupportedSerialization() is used to set the supported serialization for the compound web service. This function
// find the intersection between all the supported serializations that compose the compound web service.

// Note: one of the problem with the CompoundWebServices is that they have to be instantiated in order to have $this->supportedSerializations
// initialialized. This means that if a CompoundWebService include another CompundWebService, then we have to create the first one,
// then to run the setSupportedSerializations() function.
  public function setSupportedSerializations($supportedSerializations)
  {
    $intersection = array();
    $intersectionSet = array();

    foreach($supportedSerializations as $ss)
    {
      foreach($ss as $mime)
      {
        if(isset($intersection[$mime]))
        {
          $intersection[$mime] += 1;
        }
        else
        {
          $intersection[$mime] = 1;
        }
      }
    }

    foreach($intersection as $mime => $nb)
    {
      if($nb == count($supportedSerializations))
      {
        array_push($intersectionSet, $mime);
      }
    }

    return ($intersectionSet);
  }
}


?>