Java tutorial
//package com.java2s; /** * Copyright 2012 Comcast Corporation * * Licensed 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.ArrayList; import java.util.List; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; public class Main { public static Integer getCurrentLevelIntValue(Element ele, String tagName) { String textToInt = getCurrentLevelTextValue(ele, tagName); Integer valueInteger = null; if (textToInt != null) { valueInteger = new Integer(textToInt); } return valueInteger; } public static String getCurrentLevelTextValue(Element ele, String tagName) { String textVal = ""; List<Element> nl = getCurrentLevelChildNodes(ele, tagName); if (nl != null && nl.size() == 1) { Element el = (Element) nl.get(0); if (el.getFirstChild() != null) { textVal = el.getFirstChild().getNodeValue(); } } return textVal; } public static List<Element> getCurrentLevelChildNodes(Element ele, String tagName) { List<Element> elements = new ArrayList<Element>(); if (ele == null) { return elements; } NodeList nl = ele.getChildNodes(); if (nl != null && nl.getLength() > 0) { for (Integer i = 0; i < nl.getLength(); i++) { Node node = nl.item(i); if (node instanceof Element && ((Element) node).getNodeName().equals(tagName)) { elements.add((Element) node); } } } return elements; } public static List<Element> getChildNodes(Element ele, String tagName) { List<Element> elements = new ArrayList<Element>(); if (ele == null) { return elements; } NodeList nl = ele.getChildNodes(); if (nl != null && nl.getLength() > 0) { for (Integer i = 0; i < nl.getLength(); i++) { Node node = nl.item(i); if (node instanceof Element && ((Element) node).getNodeName().equals(tagName)) { elements.add((Element) node); } } } return elements; } public static List<Element> getChildNodes(Element ele) { List<Element> elements = new ArrayList<Element>(); if (ele == null) { return elements; } NodeList nl = ele.getChildNodes(); if (nl != null && nl.getLength() > 0) { for (Integer i = 0; i < nl.getLength(); i++) { Node node = nl.item(i); if (node instanceof Element) { elements.add((Element) node); } } } return elements; } }