Java XML Element Get by Name getElementByTagName(Document document, String tagName)

Description

get Element By Tag Name

License

CDDL license

Declaration

public static Node getElementByTagName(Document document, String tagName) 

Method Source Code

//package com.java2s;
/*/* w  ww . java 2 s .co  m*/
 * 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 http://www.netbeans.org/cddl.html
 * or http://www.netbeans.org/cddl.txt.
 * 
 * When distributing Covered Code, include this CDDL Header Notice in each file
 * and include the License file at http://www.netbeans.org/cddl.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]"
 * 
 * The Original Software is NetBeans. The Initial Developer of the Original
 * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

import org.w3c.dom.Document;

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

public class Main {
    public static Node getElementByTagName(NodeList children, String tagName) {
        if (children == null || tagName == null) {
            return null;
        }
        Node requredNode = null;
        int length = children.getLength();
        for (int i = 0; i < children.getLength(); i++) {
            Node tmpNode = children.item(i);
            if (tagName.equals(tmpNode.getNodeName())) {
                requredNode = tmpNode;
                break;
            }
        }
        return requredNode;
    }

    public static Node getElementByTagName(Document document, String tagName) {
        if (document == null || tagName == null) {
            return null;
        }

        NodeList nodes = document.getElementsByTagName(tagName);
        if (nodes == null || nodes.getLength() < 1) {
            return null;
        }
        return nodes.item(0);
    }
}

Related

1. getElementByName(Element eParent, String elementName)
2. getElementByName(Element parent, String nodeName)
3. getElementByTag(HTMLDocument htmlDoc, int offset, Tag tag)
4. getElementByTagAndName(Document document, String tagName, String elementName)
5. getElementByTagName(Document doc, String eleName)
6. getElementByTagName(Element aParent, String aName)
7. getElementByTagName(Element parent, String elementName)
8. getElementByTagName(Element parent, String elementName)
9. getElementByTagNameWithParents(Element n, String... elementName)