traininfoservice/banedk/MetroServlet.java

package dk.thoerup.traininfoservice.banedk;

import java.io.IOException;
import java.net.URL;
import java.util.logging.Logger;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;


@WebServlet(urlPatterns={"/MetroServlet"})
public class MetroServlet extends HttpServlet {
        
        Logger logger = Logger.getLogger(MetroServlet.class.getName());

        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                URL url = new URL("http://www.m.dk/layouts/Metro/Widgets/MetroWidget.ashx?StationId=7&Congestion=true&Application=MyMetro&Expiration=true");
                Document doc = Jsoup.parse(url, 5000);
                
                String head = doc.getElementsByClass("metro-widget-headline").get(0).text(); 
                
                logger.info("head: " + head);
                
                Element content = doc.getElementsByClass("metro-widget-content").get(0);
                Elements contentElems = content.children();
                        
                logger.info("tbody"+ content.getElementsByTag("table").size() );
                
                
                Element departureTable = content.getElementsByTag("table").get(0);
                
                logger.info(departureTable.text());
                logger.info(departureTable.html());

                Elements rows = departureTable.getElementsByTag("tr");


                for (int i=1; i<rows.size(); i++) {
                        Element row = rows.get(i);
                
                        Elements fields = row.children();
                        
                        String metro = fields.get(0).text();
                        String destination = fields.get(1).text();
                        Elements minuteFields = fields.get(2).children();
                        String minutes ="";
                        
                        for (Element elm : minuteFields) {
                                minutes = minutes + elm.text() + " ";
                        }
                        
                        logger.info("Row:" + metro + "/" + destination + "/" + minutes);                        
                }
                                
                String driftsInfo = contentElems.get(3).text();
                logger.info("Driftsinfo: " + driftsInfo);
                
                String koereplan = contentElems.get(5).text();
                logger.info("Køreplan:" + koereplan);

                
                response.getWriter().print( doc.html() );
        }
        
}
1	package dk.thoerup.traininfoservice.banedk;
2
3	import java.io.IOException;
4	import java.net.URL;
5	import java.util.logging.Logger;
6
7	import javax.servlet.ServletException;
8	import javax.servlet.annotation.WebServlet;
9	import javax.servlet.http.HttpServlet;
10	import javax.servlet.http.HttpServletRequest;
11	import javax.servlet.http.HttpServletResponse;
12
13	import org.jsoup.Jsoup;
14	import org.jsoup.nodes.Document;
15	import org.jsoup.nodes.Element;
16	import org.jsoup.select.Elements;
17
18
19	@WebServlet(urlPatterns={"/MetroServlet"})
20	public class MetroServlet extends HttpServlet {
21
22	Logger logger = Logger.getLogger(MetroServlet.class.getName());
23
24	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
25	URL url = new URL("http://www.m.dk/layouts/Metro/Widgets/MetroWidget.ashx?StationId=7&Congestion=true&Application=MyMetro&Expiration=true");
26	Document doc = Jsoup.parse(url, 5000);
27
28	String head = doc.getElementsByClass("metro-widget-headline").get(0).text();
29
30	logger.info("head: " + head);
31
32	Element content = doc.getElementsByClass("metro-widget-content").get(0);
33	Elements contentElems = content.children();
34
35	logger.info("tbody"+ content.getElementsByTag("table").size() );
36
37
38	Element departureTable = content.getElementsByTag("table").get(0);
39
40	logger.info(departureTable.text());
41	logger.info(departureTable.html());
42
43	Elements rows = departureTable.getElementsByTag("tr");
44
45
46	for (int i=1; i<rows.size(); i++) {
47	Element row = rows.get(i);
48
49	Elements fields = row.children();
50
51	String metro = fields.get(0).text();
52	String destination = fields.get(1).text();
53	Elements minuteFields = fields.get(2).children();
54	String minutes ="";
55
56	for (Element elm : minuteFields) {
57	minutes = minutes + elm.text() + " ";
58	}
59
60	logger.info("Row:" + metro + "/" + destination + "/" + minutes);
61	}
62
63	String driftsInfo = contentElems.get(3).text();
64	logger.info("Driftsinfo: " + driftsInfo);
65
66	String koereplan = contentElems.get(5).text();
67	logger.info("Køreplan:" + koereplan);
68
69
70	response.getWriter().print( doc.html() );
71	}
72
73	}