traininfoservice/banedk/TimetableFetcher.java

package dk.thoerup.traininfoservice.banedk;


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

import com.gargoylesoftware.htmlunit.*;
import com.gargoylesoftware.htmlunit.html.*;

public class TimetableFetcher {
        
        class NullRefreshHandler implements RefreshHandler {
                public void handleRefresh(Page arg0, URL arg1, int arg2) throws IOException {                   
                }
                
        }
        
        Logger logger = Logger.getLogger(TimetableFetcher.class.getName());

        List<TimetableBean> lookupTimetable(String trainID, String type) throws Exception {
                List<TimetableBean> timetableList = new ArrayList<TimetableBean>();
                
                String url = "http://www.bane.dk/visRute.asp?W=" + type + "&TogNr=" + trainID + "&artikelId=4276";
                                
                logger.warning(url);

            final WebClient webClient = new WebClient();
            webClient.setTimeout(1000);
            webClient.setJavaScriptEnabled(false);         
            webClient.setRefreshHandler( new NullRefreshHandler() );
            webClient.setCssEnabled(false);
            
            
            final HtmlPage page = webClient.getPage(url);
            
            
            boolean currentStation = false;
            boolean currentStationSaved = false;
            
            List<HtmlElement> tables = page.getDocumentElement().getElementsByAttribute("table", "class", "Rute");
            if (tables.size() == 1) {
                HtmlElement timetable = tables.get(0);
                DomNodeList<HtmlElement> rows = timetable.getElementsByTagName("tr");
                
                for (int i=0; i<rows.size(); i++) {
                        if (i==0) //First row is column headers
                                continue;
                        
                        
                        HtmlElement row = rows.get(i);
                        DomNodeList<HtmlElement> fields = row.getElementsByTagName("td");
                        
                        if (currentStationSaved == false && fields.get(0).getAttribute("class").equalsIgnoreCase("Tidsstreg")) {
                                currentStation = true;
                                continue;
                        }
                        
                        TimetableBean bean = new TimetableBean();
                        bean.setStation( fields.get(0).asText() );
                        bean.setArrival( fields.get(1).asText() );
                        bean.setDeparture( fields.get(2).asText() );
                        
                        if (currentStation == true && currentStationSaved == false ) {
                                bean.setCurrent(currentStation);
                                currentStationSaved = true;
                        }
                        
                        timetableList.add(bean);

                }
                
            } else {
                logger.warning("No time table found, trainID=" + trainID + " type=" + type);
            }
                
                return timetableList;
        }
        
}
1	torben	350	package dk.thoerup.traininfoservice.banedk;
2
3
4			import java.io.IOException;
5			import java.net.URL;
6			import java.util.ArrayList;
7			import java.util.List;
8			import java.util.logging.Logger;
9
10			import com.gargoylesoftware.htmlunit.*;
11			import com.gargoylesoftware.htmlunit.html.*;
12
13			public class TimetableFetcher {
14
15			class NullRefreshHandler implements RefreshHandler {
16			public void handleRefresh(Page arg0, URL arg1, int arg2) throws IOException {
17			}
18
19			}
20
21			Logger logger = Logger.getLogger(TimetableFetcher.class.getName());
22
23			List<TimetableBean> lookupTimetable(String trainID, String type) throws Exception {
24			List<TimetableBean> timetableList = new ArrayList<TimetableBean>();
25
26			String url = "http://www.bane.dk/visRute.asp?W=" + type + "&TogNr=" + trainID + "&artikelId=4276";
27
28			logger.warning(url);
29
30			final WebClient webClient = new WebClient();
31			webClient.setTimeout(1000);
32			webClient.setJavaScriptEnabled(false);
33			webClient.setRefreshHandler( new NullRefreshHandler() );
34			webClient.setCssEnabled(false);
35
36
37			final HtmlPage page = webClient.getPage(url);
38
39
40			boolean currentStation = false;
41			boolean currentStationSaved = false;
42
43			List<HtmlElement> tables = page.getDocumentElement().getElementsByAttribute("table", "class", "Rute");
44			if (tables.size() == 1) {
45			HtmlElement timetable = tables.get(0);
46			DomNodeList<HtmlElement> rows = timetable.getElementsByTagName("tr");
47
48			for (int i=0; i<rows.size(); i++) {
49			if (i==0) //First row is column headers
50			continue;
51
52
53			HtmlElement row = rows.get(i);
54			DomNodeList<HtmlElement> fields = row.getElementsByTagName("td");
55
56			if (currentStationSaved == false && fields.get(0).getAttribute("class").equalsIgnoreCase("Tidsstreg")) {
57			currentStation = true;
58			continue;
59			}
60
61			TimetableBean bean = new TimetableBean();
62			bean.setStation( fields.get(0).asText() );
63			bean.setArrival( fields.get(1).asText() );
64			bean.setDeparture( fields.get(2).asText() );
65
66			if (currentStation == true && currentStationSaved == false ) {
67			bean.setCurrent(currentStation);
68			currentStationSaved = true;
69			}
70
71			timetableList.add(bean);
72
73			}
74
75			} else {
76			logger.warning("No time table found, trainID=" + trainID + " type=" + type);
77			}
78
79			return timetableList;
80			}
81
82			}