/** Return all DataBeans under this manager. */
public List<DataBean> databeans() {
LinkedList<DataBean> databeans = new LinkedList<DataBean>();
for (DataFolder folder : folders()) {
for (DataItem child : folder.getChildren()) {
if (child instanceof DataBean) {
databeans.add((DataBean) child);
}
}
}
return databeans;
}
public List<DataFolder> folders(DataFolder parent) {
LinkedList<DataFolder> folders = new LinkedList<DataFolder>();
folders.add(parent);
for (DataItem child : parent.getChildren()) {
if (child instanceof DataFolder) {
folders.addAll(folders((DataFolder) child));
}
}
return folders;
}
private void deleteDataFolder(DataFolder folder) {
// remove children
Iterable<DataItem> children = folder.getChildren();
// make a copy of the children list to avoid concurrent modification
List<DataItem> childrenToBeRemoved = new LinkedList<DataItem>();
for (DataItem item : children) {
childrenToBeRemoved.add(item);
}
// remove all children (recursively)
for (DataItem item : childrenToBeRemoved) {
delete(item);
}
// remove this folder (unless root)
DataFolder parent = folder.getParent();
if (parent != null) {
disconnectChild(folder, parent);
}
}
