package com.zetcode;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
public class JavaAlexaRankingEx {
public static void main(String[] args) throws MalformedURLException,
IOException, ParserConfigurationException, SAXException {
String webSite = "something.com";
int ranking = 0;
String url = String.format("http://data.alexa.com/data?cli=10&url=%s", webSite);
URLConnection conn = new URL(url).openConnection();
try (InputStream is = conn.getInputStream()) {
DocumentBuilder builder = DocumentBuilderFactory.newInstance()
.newDocumentBuilder();
Document doc = builder.parse(is);
Element element = doc.getDocumentElement();
NodeList nodeList = element.getElementsByTagName("POPULARITY");
if (nodeList.getLength() > 0) {
Element elementAttribute = (Element) nodeList.item(0);
ranking = Integer.valueOf(elementAttribute.getAttribute("TEXT"));
}
}
System.out.printf("Ranking of %s: %d%n", webSite, ranking);;
}
}