Java Utililty Methods JTree Path

String type = "";
if (null != path) {
    TreePath parentPath = path.getParentPath();
    DefaultMutableTreeNode currNode = (DefaultMutableTreeNode) path.getLastPathComponent();
    DefaultMutableTreeNode parentNode = (DefaultMutableTreeNode) parentPath.getLastPathComponent();
    if (("My Flows".equals(currNode.getUserObject()) || "Company Flows".equals(currNode.getUserObject()))
            && parentNode.isRoot()) {
        type = ADD_FOLDER_NEW_FLOW;
...

List<TreeNode> list = new ArrayList<TreeNode>();
list.add(treeNode);
TreeNode parent = treeNode.getParent();
while (parent != null) {
    list.add(0, parent);
    parent = parent.getParent();
return new TreePath(list.toArray());
...

ArrayList<TreeNode> list = new ArrayList<TreeNode>();
do {
    list.add(treeNode);
    treeNode = treeNode.getParent();
} while (treeNode != null);
Collections.reverse(list);
return new TreePath(list.toArray(new Object[list.size()]));

if (parentNode.getChildCount() > 0) {
    for (Enumeration e = parentNode.children(); e.hasMoreElements();) {
        TreeNode childNode = (TreeNode) e.nextElement();
        TreePath path = parentPath.pathByAddingChild(childNode);
        tree.expandPath(path);
        doNode(tree, childNode, path);

TreeNode node = (TreeNode) parent.getLastPathComponent();
Object o = node;
if (o == null)
    return null;
if (byName) {
    o = o.toString();
System.err.println(o + " : " + nodes[depth]);
...

final DefaultMutableTreeNode node = (DefaultMutableTreeNode) parent.getLastPathComponent();
for (final Enumeration e = node.children(); e.hasMoreElements();) {
    final DefaultMutableTreeNode n = (DefaultMutableTreeNode) e.nextElement();
    if (packageName.equals(n.toString()))
        return n;
final DefaultMutableTreeNode nodeCls = new DefaultMutableTreeNode(packageName);
node.add(nodeCls);
...

if (path == null || pathName == null || node == null) {
    return null;
if (pathName.equals(getTreePathString(path))) {
    return path;
if (node.getChildCount() >= 0) {
    for (Enumeration<?> e = node.children(); e.hasMoreElements();) {
...

return elementNodehash.get(nodeXmlPath);

TreeNode root = (TreeNode) tree.getModel().getRoot();
if (root.getChildCount() == 0)
    return 0;
else
    return 1 + getDepth(root.getChildAt(0));

TreePath pathToRoot = new TreePath(tree.getModel().getRoot());
Enumeration<TreePath> expandPaths = tree.getExpandedDescendants(pathToRoot);
return expandPaths;