Java XML Child Get getChildElements(Element parent)

Description

Convenience method for getting all child elements.

License

Open Source License

Declaration

public static List<Element> getChildElements(Element parent) 

Method Source Code

//package com.java2s;
//License from project: GNU General Public License 

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 {
    /**/*w  w w  . j  a  va2 s  .  co  m*/
     * Convenience method for getting all child elements.
     * 
     * @see #getChildElements(Element, String)
     */
    public static List<Element> getChildElements(Element parent) {
        return getChildElements(parent, null);
    }

    /**
     * Gets the child elements of a parent element. Unlike DOM's getElementsByTagName, this does no recursion,
     * uses local name (namespace free) instead of tag name, result is a proper Java data structure and result
     * needs no casting. In other words, this method does not suck unlike DOM.
     * 
     * @param parent the XML parent element
     * @param name name of the child elements, if null then all are returned
     */
    public static List<Element> getChildElements(Element parent, String name) {
        List<Element> childElements = new ArrayList<Element>();
        NodeList childNodes = parent.getChildNodes();

        for (int i = 0; i < childNodes.getLength(); i++) {
            // get elements
            if (childNodes.item(i).getNodeType() == Node.ELEMENT_NODE) {

                // match element name
                Element childElement = (Element) childNodes.item(i);
                if (name == null || childElement.getLocalName().equals(name)) {
                    childElements.add(childElement);
                }
            }
        }

        return childElements;
    }
}

Related

1. getChildElements(Element parent)
2. getChildElements(Element parent)
3. getChildElements(Element parent)
4. getChildElements(Element parent)
5. getChildElements(Element parent)
6. getChildElements(Element parent)
7. getChildElements(Element parentElement)
8. getChildElements(Element parentElement)
9. getChildElements(Element parentElement, String childElementTagName)