Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

public class Main {
    public static NodeList getValueAsNodes(String filePath, String value)
            throws ParserConfigurationException, SAXException, IOException {
        NodeList nodeList = null;
        XPathFactory xpathFactory = XPathFactory.newInstance();
        XPath xpath = xpathFactory.newXPath();
        try {
            XPathExpression expr = xpath.compile(value);
            nodeList = (NodeList) expr.evaluate(getDoc(filePath), XPathConstants.NODESET);
        } catch (XPathExpressionException e) {
            e.printStackTrace();
        }

        return nodeList;
    }

    private static Document getDoc(String filePath) throws ParserConfigurationException, SAXException, IOException {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setNamespaceAware(true);
        DocumentBuilder builder = null;
        XPathFactory xpathFactory = XPathFactory.newInstance();
        XPath xpath = xpathFactory.newXPath();
        builder = factory.newDocumentBuilder();
        Document doc = builder.parse(filePath);

        return doc;
    }
}