private void savePreferences() throws Exception
{
UIFormInputSet uiPortletPrefSet = getChildById(FIELD_PORTLET_PREF);
List<UIFormStringInput> uiFormInputs = new ArrayList<UIFormStringInput>(3);
uiPortletPrefSet.findComponentOfType(uiFormInputs, UIFormStringInput.class);
if (uiFormInputs.size() < 1)
{
return;
}