if (null != fromActionList && 1 < fromActionList.getLength()) {
throw new XPathExpressionException("Within <navigation-case>, must have at most one <from-action>");
}
if (null != fromActionList && 1 == fromActionList.getLength()) {
String fromAction = fromActionList.item(0).getNodeValue().trim();
ncb.fromAction(fromAction);
}
}
{
NodeList ifList = (NodeList)