public Model findLastModelInPath(final Model rootModel, Model... pathItems) {
if (null != pathItems && pathItems.length > 0) {
Model head = rootModel;
if (!head.equals(pathItems[0])) return null;
for (int i = 1; i < pathItems.length; i++) {
Set<Model> children = head.getChildren();
for (Model node : children) {
if (node.equals(pathItems[i])) {
head = node;
continue;
}
}
}
return head;
}
return null;
}
/**
* @param model
* @param copyOfRange
* @throws Exception
*/
public void addLastModel(final Model rootModel, Model lastModel, Model[] pathItems)
throws Exception {
if (null != pathItems && pathItems.length > 0) {
if (!rootModel.equals(pathItems[0])) {
throw new Exception("Invalid root item");
}
Model head = findLastModelInPath(rootModel, pathItems);
if (null != head) {
lastModel.setParent(head);
head.getChildren().add(lastModel);
return;
}
}
return;
}