Here you can find the source of printTree(final DefaultMutableTreeNode tree, final String indent)
public static void printTree(final DefaultMutableTreeNode tree, final String indent)
//package com.java2s; /*/* w w w. j a v a 2 s .c o m*/ * Copyright 2008 Drips project Owners http://code.google.com/p/drips/ * Saurabh Arora <saurabh.arora@gmail.com> And Prasen Mukherjee <prasen.bea@gmail.com> * * 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. */ import java.io.PrintStream; import java.util.Enumeration; import javax.swing.tree.DefaultMutableTreeNode; public class Main { private static PrintStream printStream; public static void printTree(final DefaultMutableTreeNode tree, final String indent) { debug("LOG: \n", treetoString(tree, indent)); } public static void debug(final String msg) { debug("LOG: ", msg); } public static void debug(final String prefix, final String msg) { String logmsg = prefix + msg; if (printStream != null) { printStream.println(logmsg); printStream.flush(); } System.out.println(logmsg); } public static String treetoString(final DefaultMutableTreeNode tree, final String indent) { StringBuffer sbuf = new StringBuffer(indent + tree.getUserObject() + "\n"); // System.out.println(indent + tree.getUserObject()); Enumeration enumerator = tree.children(); while (enumerator.hasMoreElements()) { DefaultMutableTreeNode treeNode = (DefaultMutableTreeNode) enumerator.nextElement(); sbuf.append(treetoString(treeNode, indent + " ")); } return sbuf.toString(); } }