get XML Child Element Text - Java XML

Java examples for XML:XML Element Child

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Description

get XML Child Element Text

Demo Code


//package com.java2s;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**/*  w w w  . j a  v  a 2 s.  co m*/
     * 
     * @param parent
     * @param childName
     * @return
     */
    public static String getChildText(Element parent, String childName) {
        Element child = getChildElement(parent, childName);

        if (child == null) {
            return null;
        }

        return getText(child);
    }

    /**
     * 
     * @param parent
     * @param childName
     * @return
     */
    public static Element getChildElement(Element parent, String childName) {
        NodeList children = parent.getChildNodes();
        int size = children.getLength();

        for (int i = 0; i < size; i++) {
            Node node = children.item(i);

            if (node.getNodeType() == Node.ELEMENT_NODE) {
                Element element = (Element) node;

                if (childName.equals(element.getNodeName())) {
                    return element;
                }
            }
        }

        return null;
    }

    /**
     * 
     * @param node
     * @return
     */
    public static String getText(Element node) {
        StringBuffer sb = new StringBuffer();
        NodeList list = node.getChildNodes();

        for (int i = 0; i < list.getLength(); i++) {
            Node child = list.item(i);

            switch (child.getNodeType()) {
            case Node.CDATA_SECTION_NODE:
            case Node.TEXT_NODE:
                sb.append(child.getNodeValue());
            }
        }

        return sb.toString();
    }
}

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