Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Metadata Editor
 * @author Jiri Kremser
 * 
 * 
 * 
 * Metadata Editor - Rich internet application for editing metadata.
 * Copyright (C) 2011  Jiri Kremser (kremser@mzk.cz)
 * Moravian Library in Brno
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * 
 */

import java.util.Stack;

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

public class Main {
    /**
     * Find element.
     * 
     * @param topElm
     *        the top elm
     * @param localName
     *        the local name
     * @param namespace
     *        the namespace
     * @return the element
     */
    public static Element findElement(Element topElm, String localName, String namespace) {
        Stack<Element> stack = new Stack<Element>();
        stack.push(topElm);
        while (!stack.isEmpty()) {
            Element curElm = stack.pop();
            if ((curElm.getLocalName().equals(localName))
                    && (namespacesAreSame(curElm.getNamespaceURI(), namespace))) {
                return curElm;
            }
            NodeList childNodes = curElm.getChildNodes();
            for (int i = 0, ll = childNodes.getLength(); i < ll; i++) {
                Node item = childNodes.item(i);
                if (item.getNodeType() == Node.ELEMENT_NODE) {
                    stack.push((Element) item);
                }
            }
        }
        return null;
    }

    /**
     * Namespaces are same.
     * 
     * @param fNamespace
     *        the f namespace
     * @param sNamespace
     *        the s namespace
     * @return true, if successful
     */
    private static boolean namespacesAreSame(String fNamespace, String sNamespace) {
        if ((fNamespace == null) && (sNamespace == null)) {
            return true;
        } else if (fNamespace != null) {
            return fNamespace.equals(sNamespace);
        } else
            return false;
    }
}