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acl_base.php

<?php
/* SVN FILE: $Id: acl_base.php 5144 2007-05-21 04:46:30Z phpnut $ */
/**
 * Access Control List abstract class.
 *
 * Long description for file
 *
 * PHP versions 4 and 5
 *
 * CakePHP(tm) :  Rapid Development Framework <http://www.cakephp.org/>
 * Copyright 2005-2007, Cake Software Foundation, Inc.
 *                                              1785 E. Sahara Avenue, Suite 490-204
 *                                              Las Vegas, Nevada 89104
 *
 * Licensed under The MIT License
 * Redistributions of files must retain the above copyright notice.
 *
 * @filesource
 * @copyright           Copyright 2005-2007, Cake Software Foundation, Inc.
 * @link                      http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
 * @package             cake
 * @subpackage          cake.cake.libs.controller.components
 * @since               CakePHP(tm) v 0.10.0.1232
 * @version             $Revision: 5144 $
 * @modifiedby          $LastChangedBy: phpnut $
 * @lastmodified  $Date: 2007-05-20 23:46:30 -0500 (Sun, 20 May 2007) $
 * @license             http://www.opensource.org/licenses/mit-license.php The MIT License
 */
/**
 * Access Control List abstract class. Not to be instantiated.
 * Subclasses of this class are used by AclComponent to perform ACL checks in Cake.
 *
 * @package       cake
 * @subpackage    cake.cake.libs.controller.components
 * @abstract
 */
class AclBase extends Object {
/**
 * This class should never be instantiated, just subclassed.
 *
 * No instantiations or constructor calls (even statically)
 *
 * @return AclBase
 * @abstract
 */
      function __construct() {
            if (strcasecmp(get_class($this), "AclBase") == 0 || !is_subclass_of($this, "AclBase")) {
                  trigger_error("[acl_base] The AclBase class constructor has been called, or the class was instantiated. This class must remain abstract. Please refer to the Cake docs for ACL configuration.", E_USER_ERROR);
                  return null;
            }
      }
/**
 * Empty method to be overridden in subclasses
 *
 * @param string $aro
 * @param string $aco
 * @param string $action
 * @abstract
 */
      function check($aro, $aco, $action = "*") {
      }
}
?>

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