Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathFactory;
import org.w3c.dom.Document;

import org.w3c.dom.NodeList;

public class Main {
    public static NodeList getChildNodes(Document doc, String parentTag) {
        return getChildNodesByExpression(doc, "//" + parentTag + "/*");
    }

    public static NodeList getChildNodesByExpression(Document doc, String expression) {
        try {
            XPath xpath = XPathFactory.newInstance().newXPath();
            XPathExpression expr = xpath.compile(expression);

            Object result = expr.evaluate(doc, XPathConstants.NODESET);
            return (NodeList) result;

        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return null;
    }
}