Java tutorial
//package com.java2s; /* * K-scope * Copyright 2012-2013 RIKEN, Japan * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * Version to work with SSHconnect. */ import javax.swing.tree.DefaultMutableTreeNode; public class Main { public static DefaultMutableTreeNode cloneTreeNode(DefaultMutableTreeNode srcNode) { if (srcNode == null) return null; DefaultMutableTreeNode node = new DefaultMutableTreeNode(srcNode.getUserObject()); for (int i = 0; i < srcNode.getChildCount(); i++) { DefaultMutableTreeNode child = (DefaultMutableTreeNode) srcNode.getChildAt(i); addCloneNode(child, node); } return node; } private static DefaultMutableTreeNode addCloneNode(DefaultMutableTreeNode srcNode, DefaultMutableTreeNode root) { DefaultMutableTreeNode clone = new DefaultMutableTreeNode(srcNode.getUserObject()); root.add(clone); for (int i = 0; i < srcNode.getChildCount(); i++) { DefaultMutableTreeNode child = (DefaultMutableTreeNode) srcNode.getChildAt(i); addCloneNode(child, clone); } return clone; } }