get Child Collection from XML Node - Java XML

Java examples for XML:XML Element Child

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Description

get Child Collection from XML Node

Demo Code


import java.util.Collection;
import java.util.Vector;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main{
    public static String[] getChildCollection(Node node, String tag) {
        Vector childNodes = XMLHelper.getChildrenElementsByTag(node, tag);
        if (childNodes.size() == 0)
            return null;
        Element childNode = (Element) childNodes.get(0);
        NamedNodeMap attr = childNode.getAttributes();
        if (attr.getLength() > 0) {
            String[] elements = new String[attr.getLength()];
            for (int i = 0; i < attr.getLength(); i++)
                elements[i] = attr.item(i).getNodeValue();
            return elements;
        }//www. ja  v  a2 s  .  co m
        return new String[] {};
    }
    public static Vector getChildrenElementsByTag(Node node, String name) {
        Vector result = new Vector();
        NodeList nl = node.getChildNodes();
        for (int i = 0; i < nl.getLength(); i++)
            if (nl.item(i) instanceof Element
                    && (((Element) nl.item(i)).getTagName().equals(name) || name == null)) {
                result.add(nl.item(i));
                //System.out.println(nl.item(i).toString());
                //System.out.println(((Element)nl.item(i)).getAttribute("className"));
                //System.out.println(((Element)nl.item(i)).getTagName());
            }
        return result;
    }
}

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