(session.getAttribute("currentGranteePrivilegedSubject"));
(session.getAttribute(Constants.GRANTEE_ATTRNAME));
  public ActionForward execute  	(ActionMapping				mapping,     ActionForm 					form,     HttpServletRequest 	request,     HttpServletResponse response)  throws Exception  {    // Setup message array in case there are errors    ArrayList messages = new ArrayList();    // Confirm message resources loaded    MessageResources resources = getResources(request);    if (resources==null)    {      messages.add(Constants.ERROR_MESSAGES_NOT_LOADED);    }    // If there were errors, forward to our failure page    if (messages.size()>0)    {      request.setAttribute(Constants.ERROR_KEY,messages);      return findFailure(mapping);    }    HttpSession session = request.getSession();     PrivilegedSubject grantor      = (PrivilegedSubject)          (session.getAttribute("loggedInPrivilegedSubject"));    PrivilegedSubject grantee    	= (PrivilegedSubject)    	    (session.getAttribute("currentGranteePrivilegedSubject"));    TreeNode scope = (TreeNode)(session.getAttribute("currentScope"));    Function function = (Function)(session.getAttribute("currentFunction"));    Signet signet = (Signet)(session.getAttribute("signet"));        if (signet == null)    {      return (mapping.findForward("notInitialized"));    }        String assignmentId = request.getParameter("assignmentId");    Assignment assignment    	= signet.getAssignment(Integer.parseInt(assignmentId));    session.setAttribute("currentAssignment", assignment);    // Forward to our success page    return findSuccess(mapping);  }