| /* |
| * Copyright (c) 1997, 2022 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0, which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| /* |
| * DOMUtils.java |
| * |
| * Created on May 7th 2002 |
| */ |
| |
| package com.sun.tools.xjc.util; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.xml.namespace.QName; |
| |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| |
| /** |
| * |
| * @author Vivek Pandey |
| * @version 1.0 |
| * |
| */ |
| public class DOMUtils { |
| /** Gets the fist child of the given name, or null. */ |
| public static Element getFirstChildElement( Element parent, String nsUri, String localPart ) { |
| NodeList children = parent.getChildNodes(); |
| for( int i=0; i<children.getLength(); i++ ) { |
| Node item = children.item(i); |
| if(!(item instanceof Element )) continue; |
| |
| if(nsUri.equals(item.getNamespaceURI()) |
| && localPart.equals(item.getLocalName()) ) |
| return (Element)item; |
| } |
| return null; |
| } |
| |
| /** Gets the child elements of the given name. */ |
| public static Element[] getChildElements(Element parent, String nsUri, String localPart ) { |
| List<Element> a = new ArrayList<>(); |
| NodeList children = parent.getChildNodes(); |
| for( int i=0; i<children.getLength(); i++ ) { |
| Node item = children.item(i); |
| if(!(item instanceof Element )) continue; |
| |
| if(nsUri.equals(item.getNamespaceURI()) |
| && localPart.equals(item.getLocalName()) ) |
| a.add((Element) item); |
| } |
| return a.toArray(new Element[0]); |
| } |
| |
| /** Gets all the child elements. */ |
| public static Element[] getChildElements( Element parent ) { |
| List<Element> a = new ArrayList<>(); |
| NodeList children = parent.getChildNodes(); |
| for( int i=0; i<children.getLength(); i++ ) { |
| Node item = children.item(i); |
| if(!(item instanceof Element )) continue; |
| |
| a.add((Element) item); |
| } |
| return a.toArray(new Element[0]); |
| } |
| |
| |
| public static String getElementText(Element element) throws DOMException{ |
| for (Node child = element.getFirstChild(); child != null; |
| child = child.getNextSibling()) { |
| if(child.getNodeType() == Node.TEXT_NODE) |
| return child.getNodeValue(); |
| } |
| return element.getNodeValue(); |
| } |
| |
| public static Element getElement(Document parent, String name){ |
| NodeList children = parent.getElementsByTagName(name); |
| if(children.getLength() >= 1) |
| return (Element)children.item(0); |
| return null; |
| } |
| |
| public static Element getElement(Document parent, QName qname){ |
| NodeList children = parent.getElementsByTagNameNS(qname.getNamespaceURI(), qname.getLocalPart()); |
| if(children.getLength() >= 1) |
| return (Element)children.item(0); |
| return null; |
| } |
| |
| public static Element getElement(Document parent, String namespaceURI, |
| String localName) { |
| NodeList children = parent.getElementsByTagNameNS(namespaceURI, localName); |
| if(children.getLength() >= 1) |
| return (Element)children.item(0); |
| return null; |
| } |
| |
| public static Element[] getElements(NodeList children) { |
| Element[] elements = null; |
| int len = 0; |
| for (int i = 0; i < children.getLength(); ++i) { |
| if (elements == null) |
| elements = new Element[1]; |
| if (elements.length == len) { |
| Element[] buf = new Element[elements.length + 1]; |
| System.arraycopy(elements, 0, buf, 0, elements.length); |
| elements = buf; |
| } |
| elements[len++] = (Element)children.item(i); |
| } |
| return elements; |
| } |
| } |