Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * (c) Copyright 2017 Hewlett-Packard Development Company, L.P.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Apache License v2.0 which accompany this distribution.
 *
 * The Apache License is available at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 *******************************************************************************/

import org.w3c.dom.Document;

import org.w3c.dom.NodeList;

import javax.xml.namespace.NamespaceContext;

import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;

import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;

public class Main {
    /**
     * Return all the nodes in an Document for a given XPath.
     *
     * @param doc        the document to read from
     * @param pathToNode the XPath to find
     * @return a NodeList object
     * @throws XPathExpressionException if  xpath exception occurred
     */
    public static NodeList readNode(Document doc, String pathToNode, NamespaceContext ctx)
            throws XPathExpressionException {
        XPath xPath = createXpath();
        xPath.setNamespaceContext(ctx);
        return (NodeList) xPath.evaluate(pathToNode, doc, XPathConstants.NODESET);
    }

    /**
     * Returns a new instance of XPath.
     *
     * @return XPath object
     */
    private static XPath createXpath() {
        return XPathFactory.newInstance().newXPath();
    }
}