Java XML Attribute Load getAllElementsWithAttrId(final Element element, final String namespace)

Description

get All Elements With Attr Id

License

Open Source License

Declaration

public static List<Element> getAllElementsWithAttrId(final Element element, final String namespace) 

Method Source Code

//package com.java2s;
/*//from  w ww .j  ava  2  s .  com
 *
 * This file is part of the XiPKI project.
 * Copyright (c) 2014 - 2015 Lijun Liao
 * Author: Lijun Liao
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * THE AUTHOR LIJUN LIAO. LIJUN LIAO DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the XiPKI software without
 * disclosing the source code of your own applications.
 *
 * For more information, please contact Lijun Liao at this
 * address: lijun.liao@gmail.com
 */

import java.util.LinkedList;
import java.util.List;

import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    public static List<Element> getAllElementsWithAttrId(final Element element, final String namespace) {
        List<Element> list = new LinkedList<Element>();
        if (elementHasId(element, namespace)) {
            list.add(element);
        }

        NodeList children = element.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child instanceof Element == false) {
                continue;
            }

            addAllElementsWithAttrId(list, (Element) child, namespace);
        }

        return list;
    }

    private static boolean elementHasId(final Element element, final String namespace) {
        return element.hasAttributeNS(namespace, "Id");
    }

    private static void addAllElementsWithAttrId(final List<Element> list, final Element element,
            final String namespace) {
        if (elementHasId(element, namespace)) {
            list.add(element);
        }

        NodeList children = element.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child instanceof Element == false) {
                continue;
            }

            Element childElement = (Element) child;
            if (elementHasId(childElement, namespace)) {
                list.add(childElement);
            }

            addAllElementsWithAttrId(list, childElement, namespace);
        }
    }
}

Related

1. getAllAttributes(Node node)
2. getAllAttributesAsMap(@Nullable final Element aSrcNode)
3. getAllAttrs(Element parent, String name, List lst)
4. getAllAttrValueByName(Node item, String name)
5. getAllElementAttributes(Element element)
6. loadAttributes(Element e)