Java XML Element Find findElementAsString(final Element e, final String find)

Description

Find an element, return as a string.

License

Open Source License

Parameter

Parameter	Description
e	The element that searches.
find	What we are searching for.

Return

The value found, default value otherwise.

Declaration

public static String findElementAsString(final Element e, final String find) 

Method Source Code

//package com.java2s;
/*//from www.  ja va 2  s  . com
 * Encog Neural Network and Bot Library for Java v1.x
 * http://www.heatonresearch.com/encog/
 * http://code.google.com/p/encog-java/
 * 
 * Copyright 2008, Heaton Research Inc., and individual contributors.
 * See the copyright.txt 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 org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.Text;

public class Main {
    /**
     * Find an element, return as a string.
     * @param e The element that searches.
     * @param find What we are searching for.
     * @return The value found, default value otherwise.
     */
    public static String findElementAsString(final Element e, final String find) {
        final Element el = findElement(e, find);

        if (el == null) {
            return null;
        }

        for (Node child = el.getFirstChild(); child != null; child = child.getNextSibling()) {
            if (!(child instanceof Text)) {
                continue;
            }
            return child.getNodeValue();
        }
        return null;
    }

    /**
     * Find a child element.
     * @param e The element to search.
     * @param find The name to search for.
     * @return The element found, or null if not found.
     */
    public static Element findElement(final Element e, final String find) {
        for (Node child = e.getFirstChild(); child != null; child = child.getNextSibling()) {
            if (!(child instanceof Element)) {
                continue;
            }
            final Element el = (Element) child;
            if (el.getNodeName().equals(find)) {
                return el;
            }
        }
        return null;
    }
}

Related

1. findElement(Element element, String name)
2. findElement(Element root, String localName, String namespace)
3. findElement(Element topElm, String localName, String namespace)
4. findElement(final Element e, final String find)
5. findElement(final String idValue, final String idTagName, final String tagName, final Element root)
6. findElementWithId(String id, Element root)
7. findNodesByType(Element topElm, int type)
8. findNodeValue(Element firstElement, String name)
9. getAllElements(Element config, String elementName)