Java XML QName findAllElements(Element root, QName name, boolean local)

Description

find All Elements

License

Open Source License

Declaration

public static List<Node> findAllElements(Element root, QName name, boolean local) 

Method Source Code

//package com.java2s;
/*//www  .j av  a  2s  . c  om
 * JBoss, Home of Professional Open Source.
 * Copyright 2006, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This 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 software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

import java.util.ArrayList;
import java.util.List;
import javax.xml.namespace.QName;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

public class Main {
    public static List<Node> findAllElements(Element root, QName name, boolean local) {
        List<Node> list = new ArrayList<Node>();
        if (matchNode(root, name, local))
            list.add(root);

        for (Node child = root.getFirstChild(); child != null; child = child.getNextSibling()) {
            if (child.getNodeType() != Node.ELEMENT_NODE)
                continue;

            list.addAll(findAllElements((Element) child, name, local));
        }

        return list;
    }

    public static boolean matchNode(Node node, QName name) {
        return matchNode(node, name, false);
    }

    public static boolean matchNode(Node node, QName name, boolean local) {
        return equalStrings(node.getLocalName(), name.getLocalPart())
                && (local || equalStrings(node.getNamespaceURI(), name.getNamespaceURI()));
    }

    public static boolean equalStrings(String string1, String string2) {
        if (string1 == null && string2 == null)
            return true;

        return string1 != null && string1.equals(string2);
    }
}

Related

1. copyQName(QName inName)
2. crackQName(String qName)
3. createCollection(QName... qnames)
4. createRootElement(T value, QName q_name, Class elementClass)
5. extract(final List