/**
* Helper method to recursively insert all XML names for the given {@link ElementDescriptor} into
* the roots array list. Keeps track of visited nodes to avoid infinite recursion. Also avoids
* inserting the top {@link DocumentDescriptor} which is generally synthetic and not a valid root
* element.
*/
private void initRootElementDescriptor(
ArrayList<String> roots, ElementDescriptor desc, HashSet<ElementDescriptor> visited) {
if (!(desc instanceof DocumentDescriptor)) {
String xmlName = desc.getXmlName();
if (xmlName != null && xmlName.length() > 0) {
roots.add(xmlName);
}
}
visited.add(desc);
for (ElementDescriptor child : desc.getChildren()) {
if (!visited.contains(child)) {
initRootElementDescriptor(roots, child, visited);
}
}
}
