/**
  * Finds an element inside this collection
  *
  * @param   string name
  * @return  io.collections.IOElement
  * @throws  io.OperationNotSupportedException
  * @throws  io.IOException
  */
 public function findElement($name)
 {
     $qualified = $this->qualifiedName($name);
     if (!is_file($qualified)) {
         return NULL;
     }
     $found = new FileElement($qualified);
     $found->setOrigin($this);
     return $found;
 }