Java XML First Child Element getFirstChildByTagName(Node parent, String tagName)

Description

get First Child By Tag Name

License

BSD License

Declaration

public static Element getFirstChildByTagName(Node parent, String tagName) 

Method Source Code

//package com.java2s;
/* Software License Agreement (BSD License)
 * /*from   ww  w. j av a 2 s.  c  o  m*/
 * Copyright (c) 2010-2011, Rustici Software, LLC
 * All rights reserved.
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 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
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import java.util.ArrayList;

import java.util.List;

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

public class Main {
    public static Element getFirstChildByTagName(Node parent, String tagName) {
        List<Element> children = getChildrenByTagName(parent, tagName);
        return (children.size() == 0) ? null : children.get(0);
    }

    public static List<Element> getChildrenByTagName(Node parent, String tagName) {
        ArrayList<Element> elements = new ArrayList<Element>();
        NodeList children = parent.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child instanceof Element) {
                Element elem = (Element) children.item(i);
                if (tagName.equals(elem.getTagName())) {
                    elements.add(elem);
                }
            }
        }
        return elements;
    }
}

Related

1. getFirstChildByName(Element parent, String name)
2. getFirstChildByNodeName(Node parent, String nodeName)
3. getFirstChildByNS(Element node, String ns, String localName)
4. getFirstChildByRegex(Element ele, String pattern)
5. getFirstChildByTagName(Element parent, String tagName)
6. getFirstChildByTagNameNS(Node contextNode, String nsuri, String tag)
7. getFirstChildByType(Element element, int nodeType)
8. getFirstChildByType(Element element, short nodeType)
9. getFirstChildElement(@Nonnull final Node aStartNode)