Here you can find the source of findAllElementsByTagNameNS(Element el, String nameSpaceURI, String localName, List
private static void findAllElementsByTagNameNS(Element el, String nameSpaceURI, String localName, List<Element> elementList)
//package com.java2s; /**//from w w w .jav a 2s . c om * 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 java.util.LinkedList; import java.util.List; import org.w3c.dom.Element; import org.w3c.dom.Node; public class Main { public static List<Element> findAllElementsByTagNameNS(Element elem, String nameSpaceURI, String localName) { List<Element> ret = new LinkedList<Element>(); findAllElementsByTagNameNS(elem, nameSpaceURI, localName, ret); return ret; } private static void findAllElementsByTagNameNS(Element el, String nameSpaceURI, String localName, List<Element> elementList) { if (localName.equals(el.getLocalName()) && nameSpaceURI.contains(el.getNamespaceURI())) { elementList.add(el); } Element elem = getFirstElement(el); while (elem != null) { findAllElementsByTagNameNS(elem, nameSpaceURI, localName, elementList); elem = getNextElement(elem); } } /** * Get the first direct child with a given type */ public static Element getFirstElement(Node parent) { Node n = parent.getFirstChild(); while (n != null && Node.ELEMENT_NODE != n.getNodeType()) { n = n.getNextSibling(); } if (n == null) { return null; } return (Element) n; } public static Element getNextElement(Element el) { Node nd = el.getNextSibling(); while (nd != null) { if (nd.getNodeType() == Node.ELEMENT_NODE) { return (Element) nd; } nd = nd.getNextSibling(); } return null; } }