/**
* Returns the subFolder element matching the supplied folder name.
*
* @param folderName the name of the subFolder to find.
* @return the subFolder element if found {@code null} otherwise.
*/
public BluetoothMapFolderElement getSubFolder(String folderName) {
for (BluetoothMapFolderElement subFolder : subFolders) {
if (subFolder.getName().equals(folderName)) return subFolder;
}
return null;
}
/**
* Fetch the root folder.
*
* @return the parent folder or null if we are at the root folder.
*/
public BluetoothMapFolderElement getRoot() {
BluetoothMapFolderElement rootFolder = this;
while (rootFolder.getParent() != null) rootFolder = rootFolder.getParent();
return rootFolder;
}