Here you can find the source of printDOM(Node node, String prefix)
public static void printDOM(Node node, String prefix)
//package com.java2s; /*/* w ww .ja va 2s .co m*/ * Copyright 2002 Sun Microsystems, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistribution in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Sun Microsystems, Inc. or the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * This software is provided "AS IS," without a warranty of any * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY * EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR * DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN * OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that Software is not designed, licensed or intended * for use in the design, construction, operation or maintenance of * any nuclear facility. */ import org.w3c.dom.Document; import org.w3c.dom.NamedNodeMap; import org.w3c.dom.Node; import org.w3c.dom.NodeList; public class Main { /** Prints the specified node, then prints all of its children. */ public static void printDOM(Node node, String prefix) { int type = node.getNodeType(); switch (type) { // print the document element case Node.DOCUMENT_NODE: { System.out.println("<?xml version=\"1.0\" ?>"); printDOM(((Document) node).getDocumentElement(), prefix + " "); break; } // print element with attributes case Node.ELEMENT_NODE: { System.out.print(prefix + "<"); System.out.print(node.getNodeName()); NamedNodeMap attrs = node.getAttributes(); for (int i = 0; i < attrs.getLength(); i++) { Node attr = attrs.item(i); System.out.print(" " + attr.getNodeName().trim() + "=\"" + attr.getNodeValue().trim() + "\""); } System.out.println(">"); NodeList children = node.getChildNodes(); if (children != null) { int len = children.getLength(); for (int i = 0; i < len; i++) printDOM(children.item(i), prefix + " "); } break; } // handle entity reference nodes case Node.ENTITY_REFERENCE_NODE: { System.out.print("&"); System.out.print(node.getNodeName().trim()); System.out.print(";"); break; } // print cdata sections case Node.CDATA_SECTION_NODE: { System.out.print("<![CDATA["); System.out.print(node.getNodeValue().trim()); System.out.print("]]>"); break; } // print text case Node.TEXT_NODE: { String value = node.getNodeValue().trim(); if (value.length() > 0) System.out.print(prefix + " " + node.getNodeValue().trim()); break; } // print processing instruction case Node.PROCESSING_INSTRUCTION_NODE: { System.out.print("<?"); System.out.print(node.getNodeName().trim()); String data = node.getNodeValue().trim(); { System.out.print(" "); System.out.print(data); } System.out.print("?>"); break; } } if (type == Node.ELEMENT_NODE) { System.out.println(); System.out.print(prefix + "</"); System.out.print(node.getNodeName().trim()); System.out.println('>'); } } }