Java XML Element Get Value getTextValue(Element element, String tagName)

Description

Return the text value for the first element that is a child of 'element' with the name 'tagName'.

License

Open Source License

Parameter

Parameter	Description
element	Element
tagName	String

Return

String

Declaration

public static String getTextValue(Element element, String tagName) 

Method Source Code

//package com.java2s;
/*// w  w w  .  j a va  2s  .  c om
 * Copyright (c) 2008-2011 Simon Ritchie.
 * All rights reserved. 
 * 
 * This program 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 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License 
 * along with this program.  If not, see http://www.gnu.org/licenses/>.
 */

import org.w3c.dom.*;

public class Main {
    /**
     * Return the text value for the first element that is a child of 'element' with the name 'tagName'.
     * @param element Element
     * @param namespaceURI String
     * @param tagName String
     * @return String
     */
    public static String getTextValue(Element element, String namespaceURI, String tagName) {
        String textVal = null;
        Element el = getFirstChildElement(element, namespaceURI, tagName);
        if (el != null) {
            Node firstChild = el.getFirstChild();
            if (firstChild != null) {
                textVal = firstChild.getNodeValue();
            }
        }
        return textVal;
    }

    /**
     * Return the text value for the first element that is a child of 'element' with the name 'tagName'.
     * @param element Element
     * @param tagName String
     * @return String
     */
    public static String getTextValue(Element element, String tagName) {
        String textVal = null;
        Element el = getFirstChildElement(element, tagName);
        if (el != null) {
            Node firstChild = el.getFirstChild();
            if (firstChild != null) {
                textVal = firstChild.getNodeValue();
            }
        }
        return textVal;
    }

    /**
     * Return the first element that is a child of 'element' with the name 'tagName'.
     * @param element Element
     * @param namespaceURI String
     * @param tagName String
     * @return Element
     */
    public static Element getFirstChildElement(Element element, String namespaceURI, String tagName) {
        NodeList nl = element.getElementsByTagNameNS(namespaceURI, tagName);
        if (nl != null && nl.getLength() > 0) {
            return (Element) nl.item(0);
        }
        return null;
    }

    /**
     * Return the first element that is a child of 'element' with the name 'tagName'.
     * @param element Element
     * @param tagName String
     * @return Element
     */
    public static Element getFirstChildElement(Element element, String tagName) {
        NodeList nl = element.getElementsByTagName(tagName);
        if (nl != null && nl.getLength() > 0) {
            return (Element) nl.item(0);
        }
        return null;
    }
}

Related

1. getTextValue(Element ele, String tagName)
2. getTextValue(Element element)
3. getTextValue(Element element)
4. getTextValue(Element element, String name)
5. getTextValue(Element element, String tagName)
6. getTextValue(Element node)
7. getTextValue(Element valueEle)
8. getTextValue(Element valueEle)
9. getTextValue(Element valueEle)