private static FrameworkDirectoryNode collapseDirectoryNode(FrameworkDirectoryNode node) {
if (node.getChildCount() == 1) {
final TreeNode child = node.getChildAt(0);
if (child instanceof FrameworkDirectoryNode) {
return collapseDirectoryNode((FrameworkDirectoryNode) child);
}
}
for (int i = 0; i < node.getChildCount(); i++) {
TreeNode child = node.getChildAt(i);
if (child instanceof FrameworkDirectoryNode) {
final FrameworkDirectoryNode collapsed =
collapseDirectoryNode((FrameworkDirectoryNode) child);
if (collapsed != child) {
node.remove(i);
node.insert(collapsed, i);
}
}
}
return node;
}
