name = $name;
}
public function getName()
{
return $this->name;
}
// Permission Methods
public static function hasReadPermission()
{
return true;
}
public static function hasModifyPermission()
{
return false;
}
public static function hasDeletePermission(){
return false;
}
// Customization methods
public static function wantsFlashInterface()
{
return true;
}
protected $name = NULL;
}
class GuestUser extends User{
public static function hasModifyPermission()
{
return true;
}
}
class AdminUser extends User{
public static function hasModifyPermission()
{
return true;
}
public static function hasDeletePermission()
{
return true;
}
public static function wantsFlashInterface()
{
return false;
}
}
Class UserFactory{
private static $users = array("xenoix" => "admin", "reZo" => "guest", "ace" => "customer");
public static function Create($name)
{
if(!isset(self::$users[$name])){
// Error out user doesnt exist
echo 'Error: User does not exist';
}
switch(self::$users[$name]){
case 'guest':
return new GuestUser($name);
break;
case 'customer':
return new CustomerUser($name);
break;
case 'admin':
return new AdminUser($name);
break;
default:
// By default, return a guest user
return new GuestUser($name);
break;
}
}
}
function boolToStr($b)
{
$b = ($b == true) ? "Yes\n" : "No\n";
return $b;
}
function displayPermissions(User $obj)
{
echo $obj->getName() . "'s permissions:\n";
echo "
Read: " . boolToStr($obj->hasReadPermission());
echo "
Modify: " . boolToStr($obj->hasModifyPermission());
echo "
Delete: " . boolToStr($obj->hasDeletePermission());
}
function displayRequirements(){
if($obj->wantsFlashInterface())
{
echo $obj->getName() . ' requires Flash
';
}
}
$logins = array('xenoix','reZo','ace');
foreach($logins as $login){
displayPermissions(UserFactory::Create($login));
displayRequirements(UserFactory::Create($login));
}
?>