Java tutorial
//package com.java2s; /* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.w3c.dom.Element; import org.w3c.dom.Node; public class Main { /** * Sets the text value of an Element. if current text of the element is * replaced with the new text if text is null any * current text value is deleted. * * @param elem the Element for which the text value should be set * @param text the new text value of the element * @return true if the text could be set or false otherwise */ static public boolean setElementText(Node elem, Object text) { if (elem == null) return false; // Fehler // Find Text Node node = elem.getFirstChild(); while (node != null) { // Find all Text nodes if (node.getNodeType() == Node.TEXT_NODE) break; // gefunden node = node.getNextSibling(); } if (node != null) { // Set or remove text if (text != null) node.setNodeValue(text.toString()); else elem.removeChild(node); } else if (text != null) { // Add Text elem.appendChild(elem.getOwnerDocument().createTextNode(text.toString())); } return true; } /** * Gets the first (direct) child Element. * * @param parent the parent element below which to search the child * @return the first child element, or null otherwise */ static public Element getFirstChild(Node parent) { // Child Element suchen if (parent == null) return null; Node node = parent.getFirstChild(); while (node != null) { // Find all Element nodes if (node.getNodeType() == Node.ELEMENT_NODE) return (Element) node; // found node = node.getNextSibling(); } return null; // not found! } }