Here you can find the source of getTextForNode(Node node)
public static String getTextForNode(Node node)
//package com.java2s; /*//from w w w. j av a2 s .c o m * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ import org.w3c.dom.EntityReference; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.w3c.dom.Text; public class Main { public static String getTextForNode(Node node) { StringBuilder sb = new StringBuilder(); NodeList children = node.getChildNodes(); if (children.getLength() == 0) return null; for (int i = 0; i < children.getLength(); ++i) { Node n = children.item(i); if (n instanceof Text) sb.append(n.getNodeValue()); else if (n instanceof EntityReference) { String s = getTextForNode(n); if (s == null) return null; else sb.append(s); } else return null; } return sb.toString(); } }