Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *
 * 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 {
    /**
     *
     * @param element context element.
     * @param namespace namespace of the expected element. Set it to {@code null} if namespace will not be evaluated.
     * @param localname localname of the expected element.
     * @return List of the expected children element. If no match children could be found, empty list will be returned.
     */
    public static List<Element> getElementChilden(final Element element, final String namespace,
            final String localname) {
        List<Element> rv = new LinkedList<Element>();

        NodeList children = element.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (match(child, namespace, localname)) {
                rv.add((Element) child);
            }
        }

        return rv;
    }

    private static boolean match(final Node node, final String namespace, final String localname) {
        if (node instanceof Element) {
            Element element = (Element) node;
            if (element.getLocalName().equals(localname)) {
                if (namespace == null || namespace.equals(element.getNamespaceURI())) {
                    return true;
                }
            }
        }

        return false;
    }
}