Here you can find the source of getChildElements(final Element element, final String namespace, final String tagName)
Parameter | Description |
---|---|
element | the root element. |
namespace | the child namespace name. |
tagName | the child tag name. |
public static List<Element> getChildElements(final Element element, final String namespace, final String tagName)
//package com.java2s; /*/*from w w w . ja va 2s.c om*/ * JaspertReports JSF Plugin Copyright (C) 2011 A. Alonso Dominguez * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or (at * your option) any later version. This library is distributed in the hope * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * See the GNU Lesser General Public License for more details. You should have * received a copy of the GNU Lesser General Public License along with this * library; if not, write to the Free Software Foundation, Inc., 59 Temple * Place, Suite 330, Boston, MA 02111-1307 USA A. * * Alonso Dominguez * alonsoft@users.sf.net */ 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 { /** * Obtains the list of child elements with the specified tag name. * * @param element the root element. * @param tagName the child tag element name. * @return the child element list. */ public static List<Element> getChildElements(final Element element, final String tagName) { return getChildElements(element, null, tagName); } /** * Obtains the list of child elements with the specified tag name * inside the specific namespace. * * @param element the root element. * @param namespace the child namespace name. * @param tagName the child tag name. * @return the child element list. */ public static List<Element> getChildElements(final Element element, final String namespace, final String tagName) { final List<Element> elements = getElementList(element); final int numElements = elements.size(); final List<Element> childElements = new ArrayList<Element>(); for (int i = 0; i < numElements; i++) { final Element childElement = elements.get(i); String childTagName = childElement.getTagName(); final String childPrefix = childElement.getPrefix(); final String childNamespace = (childPrefix != null ? childElement.lookupNamespaceURI(childPrefix) : null); if (namespace != null) { if (!namespace.equals(childNamespace)) { continue; } else { childTagName = childElement.getLocalName(); } } if (!childTagName.equals(tagName)) { continue; } childElements.add(childElement); } return childElements; } /** * Obtains the list of child element nodes. * * @param element the root element. * @return the list of child elements. */ private static List<Element> getElementList(final Element element) { final List<Element> elementList = new ArrayList<Element>(); final NodeList childNodes = element.getChildNodes(); final int numChildren = childNodes.getLength(); for (int i = 0; i < numChildren; i++) { final Node childNode = childNodes.item(i); if (childNode.getNodeType() != Node.ELEMENT_NODE) { continue; } elementList.add((Element) childNode); } return elementList; } }