Java tutorial
//package com.java2s; /* * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com * The software in this package is published under the terms of the CPAL v1.0 * license, a copy of which has been included with this distribution in the * LICENSE.txt file. */ import org.w3c.dom.Attr; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; public class Main { public static String getTextChild(Element element) { NodeList children = element.getChildNodes(); String value = null; for (int i = 0; i < children.getLength(); ++i) { Node child = children.item(i); if (child.getNodeType() == Node.TEXT_NODE) { if (null != value) { throw new IllegalStateException( "Element " + elementToString(element) + " has more than one text child."); } else { value = child.getNodeValue(); } } } return value; } public static String elementToString(Element e) { StringBuilder buf = new StringBuilder(); buf.append(e.getTagName()).append("{"); for (int i = 0; i < e.getAttributes().getLength(); i++) { if (i > 0) { buf.append(", "); } Node n = e.getAttributes().item(i); buf.append(attributeName((Attr) n)).append("=").append(n.getNodeValue()); } buf.append("}"); return buf.toString(); } public static String attributeName(Attr attribute) { String name = attribute.getLocalName(); if (null == name) { name = attribute.getName(); } return name; } }