1
14
15 package com.liferay.portal.kernel.util;
16
17 import java.util.ArrayList;
18 import java.util.List;
19
20
25 public class ListTree<T extends Comparable<T>> {
26
27 public ListTree() {
28 this(null);
29 }
30
31 public ListTree(T value) {
32 _rootNode = new TreeNode<T>(value);
33 }
34
35 public List<TreeNode<T>> getChildNodes(TreeNode<T> node) {
36 List<TreeNode<T>> nodes = new ArrayList<TreeNode<T>>();
37
38 getChildNodes(node, nodes);
39
40 return nodes;
41 }
42
43 public TreeNode<T> getRootNode() {
44 return _rootNode;
45 }
46
47 protected void getChildNodes(TreeNode<T> node, List<TreeNode<T>> nodes) {
48 List<TreeNode<T>> childNodes = node.getChildNodes();
49
50 nodes.addAll(childNodes);
51
52 for (TreeNode<T> childNode : childNodes) {
53 getChildNodes(childNode, nodes);
54 }
55 }
56
57 private final TreeNode<T> _rootNode;
58
59 }