Java XML Element Value getElementValue(Element element)

Description

Gets the value of an element.

License

Open Source License

Parameter

Parameter	Description
element	a DOM tree element.

Return

A String that contained in its TEXT children; or null if an error occurred.

Declaration

public static String getElementValue(Element element) 

Method Source Code

//package com.java2s;
/**/*  ww  w.  j  ava2s . co  m*/
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2005 Sun Microsystems Inc. All Rights Reserved
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can obtain a copy of the License at
 * https://opensso.dev.java.net/public/CDDLv1.0.html or
 * opensso/legal/CDDLv1.0.txt
 * See the License for the specific language governing
 * permission and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at opensso/legal/CDDLv1.0.txt.
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * $Id: XMLUtils.java,v 1.5 2008-06-25 05:41:28 qcheng Exp $
 *
 */

import java.util.HashSet;

import java.util.Set;

import org.w3c.dom.Element;

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

public class Main {
    /**
     * Gets the value of an element. This method returns a concatenated String
     * from all its TEXT children.
     * 
     * @param element
     *            a DOM tree element.
     * @return A String that contained in its TEXT children; or null if an error
     *         occurred.
     */
    public static String getElementValue(Element element) {
        if (element == null) {
            return null;
        }
        StringBuffer sb = new StringBuffer(1000);
        NodeList nl = element.getChildNodes();
        Node child = null;
        int length = nl.getLength();
        for (int i = 0; i < length; i++) {
            child = nl.item(i);
            if (child.getNodeType() == Node.TEXT_NODE) {
                sb.append(child.getNodeValue());
            }
        }

        return sb.toString().trim();
    }

    public static Set getChildNodes(Node parentNode, String childName) {
        Set retVal = new HashSet();
        NodeList children = parentNode.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node node = children.item(i);
            if (node.getNodeName().equalsIgnoreCase(childName)) {
                retVal.add(node);
            }
        }
        return (retVal);
    }
}

Related

1. getElementValue(Element elem, String path)
2. getElementValue(Element element)
3. getElementValue(Element element)
4. getElementValue(Element element)
5. getElementValue(Element element)
6. getElementValue(Element element, String elementName)
7. getElementValue(Element element, String name)
8. getElementValue(Element element, String tag)