Java tutorial
//package com.java2s; /******************************************************************************* * Copyright (c) 2007-2012 Red Hat, Inc. * Distributed under license by Red Hat, Inc. All rights reserved. * This program is made available under the terms of the * Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Red Hat, Inc. - initial API and implementation ******************************************************************************/ import org.w3c.dom.Comment; import org.w3c.dom.Element; import org.w3c.dom.Node; public class Main { public static final String getComment(Element elem) { StringBuffer sb = new StringBuffer(); Node node = elem.getPreviousSibling(); while (node != null) { if (node.getNodeType() == Node.ELEMENT_NODE) { break; } if (node.getNodeType() == Node.COMMENT_NODE) { if (sb.length() > 0) { sb.insert(0, '\n'); sb.insert(0, ((Comment) node).getData()); } else { sb.append(((Comment) node).getData()); } } node = node.getPreviousSibling(); } return sb.toString(); } }