@Override
public List<Content> getChildren(Content content) {
List<Content> res = new ArrayList<>();
+ if (isLeaf(content))
+ return res;
if (content == null)
return res;
for (Iterator<Content> it = content.iterator(); it.hasNext();) {
return res;
}
+ protected boolean isLeaf(Content content) {
+ return false;
+ }
+
@Override
public String getText(Content model) {
try {