Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (c) 2001-2011 Convertigo SA.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see<http://www.gnu.org/licenses/>.
 *
 * $URL$
 * $Author$
 * $Revision$
 * $Date$
 */

import org.w3c.dom.Element;

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

public class Main {
    public static NodeList findElements(Element parent, String fullXPath) {
        NodeList list = null;
        Element elt = findSingleElement(parent, fullXPath);
        if (elt != null)
            list = ((Element) elt.getParentNode()).getElementsByTagName(elt.getNodeName());
        return list;
    }

    public static Element findSingleElement(Element parent, String fullXPath) {
        Element elt = null;
        if (parent != null) {
            if (parent.hasChildNodes()) {
                if (fullXPath.startsWith("/"))
                    fullXPath = fullXPath.substring(1);
                int index = fullXPath.indexOf("/");
                String childName = ((index != -1) ? fullXPath.substring(0, index) : fullXPath);

                NodeList list = parent.getChildNodes();
                for (int i = 0; i < list.getLength(); i++) {
                    Node child = list.item(i);
                    if (child.getNodeType() == Node.ELEMENT_NODE) {
                        if (child.getNodeName().equalsIgnoreCase(childName)) {
                            if (index == -1) {
                                elt = (Element) child;
                                break;
                            } else {
                                fullXPath = fullXPath.substring(index + 1);
                                elt = findSingleElement((Element) child, fullXPath);
                            }
                        }
                    }
                }
            }
        }
        return elt;
    }
}