Get the content of the given XML element. - Java XML

Java examples for XML:DOM Element

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Description

Get the content of the given XML element.

Demo Code

/*/*from   www.j  a v a  2s .c o m*/
 * Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Middleware LLC.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
//package com.java2s;

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

public class Main {
    /**
     * Get the content of the given element.
     *
     * @param element The element to get the content for.
     * @return The content of the element or null.
     */
    public static String getElementContent(final Element element)
            throws Exception {
        return getElementContent(element, null);
    }

    /**
     * Get the content of the given element.
     *
     * @param element   The element to get the content for.
     * @param defaultStr The default to return when there is no content.
     * @return The content of the element or the default.
     */
    public static String getElementContent(Element element,
            String defaultStr) throws Exception {
        if (element == null) {
            return defaultStr;
        }

        NodeList children = element.getChildNodes();
        StringBuilder result = new StringBuilder("");
        for (int i = 0; i < children.getLength(); i++) {
            if (children.item(i).getNodeType() == Node.TEXT_NODE
                    || children.item(i).getNodeType() == Node.CDATA_SECTION_NODE) {
                result.append(children.item(i).getNodeValue());
            }
            //         else if ( children.item( i ).getNodeType() == Node.COMMENT_NODE ) {
            //            // Ignore comment nodes
            //         }
        }
        return result.toString().trim();
    }
}

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