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.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import org.w3c.dom.Document;

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

public class Main {
    /**
     * Select node list what matches given xpath query
     *
     * @param doc        xml document
     * @param expression xpath query
     * @return nodes which confirms given xpath query.
     * @throws XPathExpressionException in case of any errors.
     */
    public static NodeList query(final Document doc, final String expression) throws XPathExpressionException {
        final XPath xpath = XPathFactory.newInstance().newXPath();
        return (NodeList) xpath.evaluate(expression, doc.getDocumentElement(), XPathConstants.NODESET);
    }

    /**
     * Select node list what matches given xpath query
     *
     * @param node       xml node
     * @param expression xpath query
     * @return nodes which confirms given xpath query.
     * @throws XPathExpressionException in case of any errors.
     */
    public static NodeList query(final Node node, final String expression) throws XPathExpressionException {
        final XPath xpath = XPathFactory.newInstance().newXPath();
        return (NodeList) xpath.evaluate(expression, node, XPathConstants.NODESET);
    }
}