XPath.evaluate("/schedule/@seriesId") : XPath « XML « Java Tutorial

import java.io.FileReader;

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

import org.xml.sax.InputSource;

public class GetSeriesId {

  public static void main(String[] args) throws Exception {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();

    Double result = (Double) xPath.evaluate("/schedule/@seriesId", new InputSource(new FileReader(
        "tds.xml")), XPathConstants.NUMBER);

33.16.1.Search an XPath
33.16.2.Get and set value through XPath
33.16.4.Return a NodeList
33.16.5.Get integer value
33.16.6.Get the W3C NodeList instance associated with the XPath selection supplied
33.16.7.Get the String data associated with the XPath selection supplied