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

Android examples for XML:XML Element

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Description

Get the content of the given XML element.

Demo Code

/*/*from  ww  w .  j a va 2s .  c o  m*/
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. 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.
 */
//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();
        String result = "";
        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 += children.item(i).getNodeValue();
            } else if (children.item(i).getNodeType() == Node.COMMENT_NODE) {
                // Ignore comment nodes
            }
        }
        return result.trim();
    }
}

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