/**
* Returns a Vector with all leafs of the tree which is described with childdef beginning at the
* given depth.
*
* @param root the XMLElement which is the current root for the search
* @param childdef a String array which describes the tree; the last element contains the leaf
* name
* @param depth depth to start in childdef
* @return a Vector of XMLElements of all leafs founded under root
*/
private Vector getSubChildren(XMLElement root, String[] childdef, int depth) {
Vector retval = null;
Vector retval2 = null;
Vector children = root != null ? root.getChildrenNamed(childdef[depth]) : null;
if (children == null) return (null);
if (depth < childdef.length - 1) {
Iterator iter = children.iterator();
while (iter.hasNext()) {
retval2 = getSubChildren((XMLElement) iter.next(), childdef, depth + 1);
if (retval2 != null) {
if (retval == null) retval = new Vector();
retval.addAll(retval2);
}
}
} else return (children);
return (retval);
}
// helper function
private void readChoices(XMLElement element, ArrayList result) {
Vector choices = element.getChildrenNamed("choice");
if (choices == null) return;
result.clear();
Iterator choice_it = choices.iterator();
while (choice_it.hasNext()) {
XMLElement choice = (XMLElement) choice_it.next();
String value = choice.getAttribute("value");
if (value != null) {
List osconstraints = OsConstraint.getOsList(choice);
if (OsConstraint.oneMatchesCurrentSystem(osconstraints)) {
result.add(this.vs.substitute(value, "plain"));
}
}
}
}