XPathTest

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

import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;


public class XPathTest {


    public static void main(String[] args) throws ParserConfigurationException, SAXException, IOException, XPathExpressionException{

        final String entryXpath = "//entry/*/text()";
        final String contentXpath = "//content/*";

        DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
        domFactory.setNamespaceAware(false);

        DocumentBuilder builder = domFactory.newDocumentBuilder();
        Document doc = builder.parse("/Users/nathanschwermann/Desktop/blog.xml");

        XPathFactory factory = XPathFactory.newInstance();
        XPath xpath = factory.newXPath();

        javax.xml.xpath.XPathExpression expr = xpath.compile(contentXpath);
        Object result = expr.evaluate(doc, XPathConstants.STRING);
        System.out.println((String)result);

        expr = xpath.compile(entryXpath);
        result = expr.evaluate(doc, XPathConstants.NODESET);
        NodeList nodes = (NodeList)result;
        System.out.println("----======printing nodes=====------");
        for(int i = 0; i < nodes.getLength(); i++){
            System.out.println(nodes.item(i).getNodeValue());
        }

    }

}