| /* |
| * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * DOMUtils.java |
| * |
| * Created on May 7th 2002 |
| */ |
| |
| package com.sun.tools.internal.xjc.util; |
| |
| import java.util.ArrayList; |
| |
| 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 ) { |
| ArrayList 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(item); |
| } |
| return (Element[]) a.toArray(new Element[a.size()]); |
| } |
| |
| /** Gets all the child elements. */ |
| public static Element[] getChildElements( Element parent ) { |
| ArrayList 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(item); |
| } |
| return (Element[]) a.toArray(new Element[a.size()]); |
| } |
| |
| |
| 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; |
| } |
| } |