computeAction(operation, "Response"));
        } else {
            MessageInfo input = operation.getInput();
            input.addExtensionAttribute(JAXWSAConstants.WSAM_ACTION_QNAME, inputAction);
            if (!StringUtils.isEmpty(action.input())) {
                input.addExtensionAttribute(JAXWSAConstants.WSAW_ACTION_QNAME, inputAction);
            }
            MessageInfo output = operation.getOutput();
            if (output != null && !StringUtils.isEmpty(action.output())) {