traininfoservice/banedk/DepartureFetcher.java

package dk.thoerup.traininfoservice.banedk;


import java.net.URL;
import java.net.URLEncoder;
import java.util.Collections;
import java.util.Comparator;
import java.util.Map;
import java.util.logging.Logger;

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

import dk.thoerup.android.traininfo.common.DepartureBean;
import dk.thoerup.android.traininfo.common.DepartureEntry;
import dk.thoerup.android.traininfo.common.StationEntry;
import dk.thoerup.circuitbreaker.CircuitBreaker;
import dk.thoerup.circuitbreaker.CircuitBreakerManager;
import dk.thoerup.genericjavautils.HttpUtil;
import dk.thoerup.genericjavautils.TimeoutMap;
import dk.thoerup.traininfoservice.Statistics;
import dk.thoerup.traininfoservice.TraininfoSettings;
import dk.thoerup.traininfoservice.db.StationDAO;

public class DepartureFetcher {
        
        enum TrainType{
                STOG,
                REGIONAL
        }
        
        enum FetchTrainType {
                STOG,
                REGIONAL,
                BOTH
        }
        
        Logger logger = Logger.getLogger(DepartureFetcher.class.getName());
        
        Map<String, DepartureBean> cache;
        
        StationDAO stationDao = new StationDAO();
        TritinfoFetcher tritinfo;
        

        private TraininfoSettings settings;
        
        Comparator<DepartureEntry> departureTimeComparator = new Comparator<DepartureEntry>() {

                @Override
                public int compare(DepartureEntry arg0, DepartureEntry arg1) {          
                                String timeStr1 = arg0.getTime().replace(":","").trim();
                                String timeStr2 = arg1.getTime().replace(":","").trim();
                                
                                int time1 = 0;
                                int time2 = 0;
                                
                                if (timeStr1.length() > 0)
                                        time1 = Integer.parseInt(timeStr1);
                                
                                if (timeStr2.length() > 0)
                                        time2 = Integer.parseInt(timeStr2);
                                
                                //work correctly when clock wraps around at midnight
                                if (Math.abs(time1-time2) < 1200) {
                                        if (time1 > time2)
                                                return 1;
                                        else
                                                return -1;
                                } else {
                                        if (time1 < time2)
                                                return 1;
                                        else
                                                return -1;

                                }
                                
                }
                
        };
        
        public DepartureFetcher(TraininfoSettings settings) {
                this.settings = settings;
                cache = new TimeoutMap<String,DepartureBean>( settings.getCacheTimeout() );
                
                tritinfo = new TritinfoFetcher(settings);
        }
        
        
        public DepartureBean cachedLookupDepartures(int stationID, boolean arrival, FetchTrainType type) throws Exception {
                
                final String key = "" + stationID + ":" + arrival + ":" + type.toString();
                
                DepartureBean departureBean = cache.get(key);

                
                if (departureBean == null) {
                        departureBean = lookupDepartures(stationID, arrival, type);
                        cache.put(key, departureBean);
                } else {
                        Statistics.getInstance().incrementDepartureCacheHits();
                        logger.info("Departure: Cache hit " + key); //remove before production
                }
                return departureBean;
        }
                

        public DepartureBean lookupDepartures(int stationID, boolean arrival, FetchTrainType type) throws Exception {
                
                DepartureBean departureBean = new DepartureBean();
                
                StationEntry station = stationDao.getById(stationID);
                
                departureBean.stationName = station.getName();

                //TODO: FetchTraintype.Both should be removed some time after 0.9.5 release
                if (station.getRegional() != null && (type == FetchTrainType.REGIONAL||type == FetchTrainType.BOTH) ) {
                        DepartureBean tempBean = lookupDepartures(station.getRegional(), TrainType.REGIONAL, arrival);
                        departureBean.entries.addAll( tempBean.entries );
                        departureBean.notifications.addAll(tempBean.notifications);
                }
                
                if (station.getStrain() != null && (type == FetchTrainType.STOG||type == FetchTrainType.BOTH)) {
                        DepartureBean tempBean = lookupDepartures(station.getStrain(), TrainType.STOG, arrival);
                        departureBean.entries.addAll( tempBean.entries );
                        departureBean.notifications.addAll(tempBean.notifications);
                }               
                
                if (departureBean.entries.size() == 0) {
                        logger.info("No departures found for station " + stationID);
                }
                
                //TODO: FetchTraintype.Both should be removed some time after 0.9.5 release
                if (type == FetchTrainType.BOTH) { //if we have both S-tog and regional order by departure/arrival time 
                        Collections.sort( departureBean.entries, departureTimeComparator);
                }
                
                //System.out.println("Trit: " + settings.isTritinfoEnabled()  + " " +  station.getTritStation() );
                if ( settings.isTritinfoEnabled()  && station.getTritStation() != -1) {
                        try {
                                tritinfo.injectTritinfoData(departureBean, station);
                        } catch (Exception ex) { //det er ikke kritisk at vi får perron numre med
                                logger.warning("tritinfo failed with " + ex.getClass().getName() + ": " + ex.getMessage() );
                        }
                }

                
                return departureBean;
        }
        
        public DepartureBean lookupDepartures(String stationcode, TrainType type, boolean arrival) throws Exception {
                if ( settings.getBackend() == TraininfoSettings.Backend.Azure) {
                        return lookupDeparturesAzureSite(stationcode, type, arrival);
                } else { 
                        return lookupDeparturesMobileSite(stationcode, type, arrival);
                }
        }
        
        private String getTypeStringAzure(TrainType type) {
                switch (type) {
                case STOG:
                        return "S-Tog";
                case REGIONAL:
                        return "Fjerntog";
                default:
                        return ""; //Can not happen
                }
        }
        
        private String getTypeStringWww(TrainType type) {
                switch (type) {
                case STOG:
                        return "S2";
                case REGIONAL:
                        return "FJRN";
                default:
                        return ""; //Can not happen
                }
        }
        
        public DepartureBean lookupDeparturesAzureSite(String stationcode, TrainType type, boolean arrival) throws Exception {
                
                DepartureBean departureBean = new DepartureBean();
                 
            
            String typeString = getTypeStringAzure(type);
            String arrivalDeparture = (arrival==false) ? "Afgang" : "Ankomst"; 
            
            stationcode = URLEncoder.encode(stationcode,"ISO-8859-1");

            String uri = "http://trafikinfo.bane.dk/Trafikinformation/AfgangAnkomst/" + arrivalDeparture + "/" + stationcode + "/" + typeString + "/UdvidetVisning";        
            
            logger.fine("URI: " + uri);     
            JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), settings.getReplyTimeout() );
            CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
            
            Document page = (Document) breaker.invoke(wrapper);
            
            String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
            Element table = page.getElementById(tableName);
            
            if (table != null) {
                    Elements tableRows =  table.getElementsByTag("tr");
                    
                    //boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0); 
                    //boolean passedTidsstreg = false;
                    
                    for (Element currentRow : tableRows) {
                        String rowClass = currentRow.attr("class");
                        /*
                        if (tidsstregExists == true && passedTidsstreg == false) {
                                if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
                                        passedTidsstreg = true;
                                } else {
                                        continue;
                                }
                        }*/
                        
                        if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
                                
                                Elements fields = currentRow.getElementsByTag("td");
        
                                DepartureEntry departure = new DepartureEntry();
                                
                                String time = fields.get(0).text();
                                if (time.equals(""))
                                        time = "0:00"; //Bane.dk bug work-around
                                departure.setTime(time);
                                
                                int updated = extractUpdated( fields.get(1) );
                                departure.setUpdated(updated);
                                
                                String trainNumber = fields.get(2).text();
                                if (type == TrainType.STOG) //If it is S-train we need to extract the trainNumber 
                                        trainNumber = trainNumber + " " + extractTrainNumberAzure(fields.get(2));
                                departure.setTrainNumber(trainNumber);
                                
                                String destination = fields.get(3).text();
                                departure.setDestination(destination);
                                
                                String origin = fields.get(4).text();
                                departure.setOrigin(origin);
                                
                                String location = fields.get(5).text();
                                departure.setLocation(location);
                                
                                String status = fields.get(6).text().trim();
                                departure.setStatus(status);
                                
                                String note = extractNote( fields.get(7) );
                                departure.setNote(note);
                                
                                departure.setType(typeString);
                                
                                departureBean.entries.add( departure );
                        }
                    }
            } else {
                logger.warning("No departures found for station=" + stationcode + ", type=" + type);
            }
            
            Element notifDiv = page.getElementById("station_planlagte_text");
            if (notifDiv != null) {

                Elements tables = notifDiv.getElementsByTag("table");
                for (Element tab : tables) {

                        Elements anchors = tab.getElementsByTag("a");           
                        if (anchors.size() == 2) {
                                departureBean.notifications.add(  anchors.get(1).text() );
                        }
                }
                
            }
            
            
            return departureBean;
        }
        
        public DepartureBean lookupDeparturesMobileSite(String stationcode, TrainType traintype, boolean arrival) throws Exception {
                
                DepartureBean departureBean = new DepartureBean();
                 
            
                String typeString = getTypeStringWww(traintype);
            String arrivalDeparture = (arrival==false) ? "afgang" : "ankomst"; 
            
            stationcode = URLEncoder.encode(stationcode,"ISO-8859-1");

            
            String uri = "http://mobil.bane.dk/mobilStation.asp?artikelID=5332&stat_kode=" + stationcode + "&webprofil=" + typeString  +"&beskrivelse=&mode=ankomstafgang&ankomstafgang=" + arrivalDeparture + "&gemstation=&fuldvisning=1";
            logger.fine("URI: " + uri);     
            JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), settings.getReplyTimeout() );
            CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
            
            Document page = (Document) breaker.invoke(wrapper);
            
            
            Element content = page.getElementsByClass("contentDiv").get(0);
            
            
            if (content != null) {
                    Elements tableRows =  content.child(0).children();
                    

                    for (Element currentRow : tableRows) {
                        if (currentRow.tagName().equals("br") ) {
                                break;
                        }
                        
                        
                        String link = currentRow.child(0).attr("href"); 
                        
                                logger.fine( currentRow.text() );
                                logger.fine("Href: " + link);
                        

                        String parts[] = currentRow.text().split(",");
                

                        DepartureEntry departure = new DepartureEntry();
                        
                        //if we do these things upfront, then we are allowed to use continue statement when row contains no more data
                        departure.setType(typeString);
                        departureBean.entries.add( departure );

/*
http://mobil.bane.dk/mobilStation.asp?artikelID=5332&tognummer=111&webprofil=FJRN&mode=rute&strBemaerkning=Afg%E5r+fra+%C5rhus+H+kl%2E07%3A21++&strRefURL=%2FmobilStation%2Easp%3FartikelID%3D5332%26stat%5Fkode%3DAR%26webprofil%3DFJRN%26beskrivelse%3D%25C5rhus%2BH%26mode%3Dankomstafgang%26ankomstafgang%3Dafgang%26gemstation%3D
*/
                        int offset = 0;
                        
                        String time = parts[offset++];
                        if (time.equals(""))
                                time = "0:00"; //Bane.dk bug work-around
                        departure.setTime(time);

                        int updated = 4; //does not exist on mobile
                        departure.setUpdated(updated);

                        String trainNumber = extractTrainNumberMobile(link);
                        /*if (traintype == TrainType.STOG) //If it is S-train we need to extract the trainNumber 
                                trainNumber = trainNumber + " " + extractTrainNumberAzure(fields.get(2));*/
                        departure.setTrainNumber(trainNumber);

                                if (traintype == TrainType.STOG) { //if it is stog the next vield is the "Line" code - this should be used somewhere, but skippint ahead for now
                                        String stogLine = parts[offset++].trim();
                                        departure.setTrainNumber(stogLine + " " + trainNumber);
                                }

                        String destination = parts[offset++].trim();;
                        departure.setDestination(destination);

                        String origin = "-"; // fields.get(4).text(); does not exist on mobile
                        departure.setOrigin(origin);

                        String location = ""; // fields.get(5).text(); does not exist on mobile
                        departure.setLocation(location);
                        
                        if (offset == parts.length) {
                                continue;
                        }
                        
                        if (parts[offset].trim().equalsIgnoreCase("NB!")) {
                                offset++;
                        }
                        
                        if (offset == parts.length) {
                                continue;
                        }

                        String status = parts[offset++].trim();; //fields.get(6).text().trim(); - extract from url
                        departure.setStatus(status);

                        String note = ""; //extractNote( fields.get(7) ); - extract from url
                        departure.setNote(note);

                    }
            } else {
                logger.warning("No departures found for station=" + stationcode + ", type=" + traintype);
            }
            
            return departureBean;
        }
        
        
        public static String cleanText(String input) {
                //apparently JSoup translates &nbsp; characters on www.bane.dk to 0xA0 
                return input.replace((char) 0xA0, (char)0x20).trim();
        }
        
        
        // old www site is not available any more
        @Deprecated
        public DepartureBean lookupDeparturesWwwSite(String stationcode, TrainType trainType, boolean arrival) throws Exception {
                
                DepartureBean departureBean = new DepartureBean();
                
                String type = getTypeStringWww(trainType);
                
                stationcode = URLEncoder.encode(stationcode, "ISO-8859-1"); 
                
                                            
            String uri = "http://www.bane.dk/visStation.asp?ArtikelID=4275&W=" + type + "&S=" + stationcode;
            logger.fine("URI:" + uri);
            

            JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), settings.getReplyTimeout() ); 
            CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
            
            Element page = (Element) breaker.invoke(wrapper);
            
            String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
            Element table = page.getElementById(tableName);
            

            if (table != null) {
                    Elements tableRows =  table.getElementsByTag("tr");
                    
                    //boolean passedTidsstreg = false;
                    //boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
                    
                    for (Element currentRow : tableRows) {
                        String rowClass = currentRow.attr("class");
                        /*
                        if (tidsstregExists == true && passedTidsstreg == false) {
                                if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
                                        passedTidsstreg = true;
                                } else {
                                        continue;
                                }
                        }*/
                        
                        
                        if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
                                Elements fields = currentRow.getElementsByTag("td");
        
                                DepartureEntry departure = new DepartureEntry();
                                

                                String time = cleanText( fields.get(0).getAllElements().get(2).text() );
                                if (time.equals(""))
                                        time = "0:00"; //Bane.dk bug work-around
                                departure.setTime(time);
                                
                                int updated = extractUpdated( fields.get(1) );
                                departure.setUpdated(updated);
                                
                                String trainNumber = cleanText( fields.get(2).text() );
                                if (type.equalsIgnoreCase("S2")) //If it is S-train we need to extract the trainNumber 
                                        trainNumber = trainNumber + " " + extractTrainNumberWww(fields.get(2));
                                departure.setTrainNumber(trainNumber);
                                
                                String destination = cleanText( fields.get(3).text() );
                                departure.setDestination(destination);
                                
                                String origin = cleanText( fields.get(4).text() );
                                departure.setOrigin(origin);
                                
                                String location = cleanText( fields.get(5).text() );
                                departure.setLocation(location);
                                
                                String status = cleanText( fields.get(6).text() );
                                departure.setStatus(status);
                                
                                String note = cleanText( extractNote( fields.get(7) ) );
                                departure.setNote(note);
                                
                                departure.setType(type);
                                
                                departureBean.entries.add(departure);
                                
                                
                        }
                    }
            } else {
                logger.warning("No departures found for station=" + stationcode + ", type=" + type);
            }
            
            
            return departureBean;
        }
                
        
        private int extractUpdated(Element updatedTd) { //extract the digit (in this case: 4) from "media/trafikinfo/opdater4.gif" 
                int updated = -1;
                
                Elements updatedImgs = updatedTd.getElementsByTag("img");
                String updatedStr = updatedImgs.get(0).attr("src");
                
                if (updatedStr != null) {
                        for (int i=0; i<updatedStr.length(); i++) {
                                char c = updatedStr.charAt(i);
                                if ( Character.isDigit(c))  {
                                        updated = Character.digit(c, 10);
                                        break;
                                }
                        }
                }               
                return updated;
        }
        
        private String extractNote(Element noteTd) {
                String note = noteTd.text().trim();
                
                
                Elements elems = noteTd.getElementsByClass("bemtype");
                if (elems.size() > 0 && note.charAt(note.length()-1) == 'i')
                        note = note.substring(0,note.length() -1 );

                return note.trim();
        }
        
        private String extractTrainNumberAzure(Element trainTd) {
                Element anchorElement = trainTd.getElementsByTag("a").get(0);
                String href = anchorElement.attr("href");
                
                int pos = href.lastIndexOf('=');
                String number = href.substring(pos+1);
                
                return number;
        }
        
        private String extractTrainNumberMobile(String link) {
                Map<String,String> elements = HttpUtil.decodeParams(link);
                
                return elements.get("tognummer");
        }
        
        private String extractTrainNumberWww(Element trainTd) {
                String number = "";
                Element anchorElement = trainTd.getElementsByTag("a").get(0);
                String href = anchorElement.attr("href");

                String argstring = href.split("?")[1];
                Map<String,String> elements = HttpUtil.decodeParams(argstring);
                number = elements.get("TogNr");         
                
                
                /*String argstring = href.substring( href.indexOf('?') + 1);
                String args[] = argstring.split("&");
                for (String arg : args) {
                        String pair[] = arg.split("="); // Key=pair[0], Value=pair[1]
                        
                        if (pair[0].equalsIgnoreCase("TogNr"))
                                number = pair[1];
                }*/
                                                
                
                return number;
        }
        

        //test
        /*
        public static void main(String args[]) throws Exception {
                DepartureFetcher f = new DepartureFetcher();
                List<DepartureBean> deps = f.lookupDepartures("AR", "FJRN");
                for(DepartureBean d : deps) {
                        System.out.println( d.getTime() + ";" + d.getUpdated() + ";" + d.getTrainNumber() + ";" + 
                                                d.getDestination() + ";" + d.getOrigin() + ";" + d.getLocation() + ";" + d.getStatus() + ";" + d.getNote()   );
                }
                
                System.out.println("--------------------------");
        }*/
}
1	torben	305	package dk.thoerup.traininfoservice.banedk;
2
3	torben	978
4	torben	992	import java.net.URL;
5	torben	994	import java.net.URLEncoder;
6	torben	307	import java.util.Collections;
7	torben	1562	import java.util.Comparator;
8	torben	428	import java.util.Map;
9	torben	348	import java.util.logging.Logger;
10	torben	305
11	torben	992	import org.jsoup.nodes.Document;
12			import org.jsoup.nodes.Element;
13			import org.jsoup.select.Elements;
14	torben	305
15	torben	1061	import dk.thoerup.android.traininfo.common.DepartureBean;
16			import dk.thoerup.android.traininfo.common.DepartureEntry;
17	torben	1409	import dk.thoerup.android.traininfo.common.StationEntry;
18	torben	468	import dk.thoerup.circuitbreaker.CircuitBreaker;
19			import dk.thoerup.circuitbreaker.CircuitBreakerManager;
20	torben	1366	import dk.thoerup.genericjavautils.HttpUtil;
21	torben	1355	import dk.thoerup.genericjavautils.TimeoutMap;
22	torben	711	import dk.thoerup.traininfoservice.Statistics;
23	torben	1305	import dk.thoerup.traininfoservice.TraininfoSettings;
24	torben	1255	import dk.thoerup.traininfoservice.db.StationDAO;
25	torben	307
26	torben	305	public class DepartureFetcher {
27	torben	348
28	torben	972	enum TrainType{
29			STOG,
30			REGIONAL
31			}
32
33	torben	1248	enum FetchTrainType {
34			STOG,
35			REGIONAL,
36			BOTH
37			}
38
39	torben	348	Logger logger = Logger.getLogger(DepartureFetcher.class.getName());
40	torben	387
41	torben	978	Map<String, DepartureBean> cache;
42	torben	387
43	torben	588	StationDAO stationDao = new StationDAO();
44	torben	2077	TritinfoFetcher tritinfo;
45	torben	588
46	torben	1303
47			private TraininfoSettings settings;
48	torben	580
49	torben	1562	Comparator<DepartureEntry> departureTimeComparator = new Comparator<DepartureEntry>() {
50
51			@Override
52			public int compare(DepartureEntry arg0, DepartureEntry arg1) {
53			String timeStr1 = arg0.getTime().replace(":","").trim();
54			String timeStr2 = arg1.getTime().replace(":","").trim();
55
56			int time1 = 0;
57			int time2 = 0;
58
59			if (timeStr1.length() > 0)
60			time1 = Integer.parseInt(timeStr1);
61
62			if (timeStr2.length() > 0)
63			time2 = Integer.parseInt(timeStr2);
64
65			//work correctly when clock wraps around at midnight
66			if (Math.abs(time1-time2) < 1200) {
67			if (time1 > time2)
68			return 1;
69			else
70			return -1;
71			} else {
72			if (time1 < time2)
73			return 1;
74			else
75			return -1;
76
77			}
78
79			}
80
81			};
82
83	torben	1303	public DepartureFetcher(TraininfoSettings settings) {
84			this.settings = settings;
85			cache = new TimeoutMap<String,DepartureBean>( settings.getCacheTimeout() );
86	torben	2077
87			tritinfo = new TritinfoFetcher(settings);
88	torben	580	}
89
90
91	torben	307
92	torben	387
93	torben	1248	public DepartureBean cachedLookupDepartures(int stationID, boolean arrival, FetchTrainType type) throws Exception {
94	torben	980
95	torben	1248	final String key = "" + stationID + ":" + arrival + ":" + type.toString();
96
97	torben	978	DepartureBean departureBean = cache.get(key);
98	torben	308
99	torben	387
100	torben	978	if (departureBean == null) {
101	torben	1248	departureBean = lookupDepartures(stationID, arrival, type);
102	torben	978	cache.put(key, departureBean);
103	torben	387	} else {
104	torben	711	Statistics.getInstance().incrementDepartureCacheHits();
105	torben	829	logger.info("Departure: Cache hit " + key); //remove before production
106	torben	387	}
107	torben	980	return departureBean;
108	torben	387	}
109
110
111	torben	1248	public DepartureBean lookupDepartures(int stationID, boolean arrival, FetchTrainType type) throws Exception {
112	torben	307
113	torben	978	DepartureBean departureBean = new DepartureBean();
114
115	torben	1060	StationEntry station = stationDao.getById(stationID);
116	torben	307
117	torben	1021	departureBean.stationName = station.getName();
118	torben	1252
119	torben	1424	//TODO: FetchTraintype.Both should be removed some time after 0.9.5 release
120	torben	1248	if (station.getRegional() != null && (type == FetchTrainType.REGIONAL\|\|type == FetchTrainType.BOTH) ) {
121	torben	978	DepartureBean tempBean = lookupDepartures(station.getRegional(), TrainType.REGIONAL, arrival);
122	torben	1063	departureBean.entries.addAll( tempBean.entries );
123	torben	978	departureBean.notifications.addAll(tempBean.notifications);
124	torben	307	}
125
126	torben	1248	if (station.getStrain() != null && (type == FetchTrainType.STOG\|\|type == FetchTrainType.BOTH)) {
127	torben	978	DepartureBean tempBean = lookupDepartures(station.getStrain(), TrainType.STOG, arrival);
128	torben	1063	departureBean.entries.addAll( tempBean.entries );
129	torben	978	departureBean.notifications.addAll(tempBean.notifications);
130	torben	588	}
131
132	torben	1063	if (departureBean.entries.size() == 0) {
133	torben	1037	logger.info("No departures found for station " + stationID);
134			}
135
136	torben	1424	//TODO: FetchTraintype.Both should be removed some time after 0.9.5 release
137	torben	1252	if (type == FetchTrainType.BOTH) { //if we have both S-tog and regional order by departure/arrival time
138	torben	1562	Collections.sort( departureBean.entries, departureTimeComparator);
139	torben	1252	}
140	torben	1832
141	torben	1834	//System.out.println("Trit: " + settings.isTritinfoEnabled() + " " + station.getTritStation() );
142	torben	1832	if ( settings.isTritinfoEnabled() && station.getTritStation() != -1) {
143			try {
144	torben	2077	tritinfo.injectTritinfoData(departureBean, station);
145	torben	1832	} catch (Exception ex) { //det er ikke kritisk at vi får perron numre med
146	torben	1841	logger.warning("tritinfo failed with " + ex.getClass().getName() + ": " + ex.getMessage() );
147	torben	1832	}
148			}
149	torben	588
150
151	torben	978	return departureBean;
152	torben	305	}
153
154	torben	978	public DepartureBean lookupDepartures(String stationcode, TrainType type, boolean arrival) throws Exception {
155	torben	1372	if ( settings.getBackend() == TraininfoSettings.Backend.Azure) {
156	torben	1034	return lookupDeparturesAzureSite(stationcode, type, arrival);
157			} else {
158	torben	1330	return lookupDeparturesMobileSite(stationcode, type, arrival);
159	torben	580	}
160			}
161
162	torben	1034	private String getTypeStringAzure(TrainType type) {
163	torben	972	switch (type) {
164			case STOG:
165			return "S-Tog";
166			case REGIONAL:
167			return "Fjerntog";
168			default:
169			return ""; //Can not happen
170			}
171			}
172
173	torben	1034	private String getTypeStringWww(TrainType type) {
174			switch (type) {
175			case STOG:
176			return "S2";
177			case REGIONAL:
178			return "FJRN";
179			default:
180			return ""; //Can not happen
181			}
182			}
183
184			public DepartureBean lookupDeparturesAzureSite(String stationcode, TrainType type, boolean arrival) throws Exception {
185	torben	305
186	torben	978	DepartureBean departureBean = new DepartureBean();
187	torben	992
188	torben	970
189	torben	1034	String typeString = getTypeStringAzure(type);
190	torben	970	String arrivalDeparture = (arrival==false) ? "Afgang" : "Ankomst";
191	torben	994
192			stationcode = URLEncoder.encode(stationcode,"ISO-8859-1");
193	torben	970
194	torben	1034	String uri = "http://trafikinfo.bane.dk/Trafikinformation/AfgangAnkomst/" + arrivalDeparture + "/" + stationcode + "/" + typeString + "/UdvidetVisning";
195	torben	994
196	torben	1048	logger.fine("URI: " + uri);
197	torben	1303	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), settings.getReplyTimeout() );
198	torben	421	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
199	torben	305
200	torben	992	Document page = (Document) breaker.invoke(wrapper);
201	torben	305
202	torben	829	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
203	torben	992	Element table = page.getElementById(tableName);
204	torben	829
205	torben	342	if (table != null) {
206	torben	992	Elements tableRows = table.getElementsByTag("tr");
207	torben	342
208	torben	1188	//boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
209			//boolean passedTidsstreg = false;
210	torben	1020
211	torben	992	for (Element currentRow : tableRows) {
212			String rowClass = currentRow.attr("class");
213	torben	1188	/*
214	torben	1020	if (tidsstregExists == true && passedTidsstreg == false) {
215			if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
216			passedTidsstreg = true;
217			} else {
218			continue;
219			}
220	torben	1188	}*/
221	torben	1020
222	torben	342	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
223	torben	1020
224	torben	992	Elements fields = currentRow.getElementsByTag("td");
225	torben	342
226	torben	978	DepartureEntry departure = new DepartureEntry();
227	torben	342
228	torben	992	String time = fields.get(0).text();
229	torben	375	if (time.equals(""))
230			time = "0:00"; //Bane.dk bug work-around
231	torben	342	departure.setTime(time);
232
233			int updated = extractUpdated( fields.get(1) );
234			departure.setUpdated(updated);
235
236	torben	992	String trainNumber = fields.get(2).text();
237	torben	972	if (type == TrainType.STOG) //If it is S-train we need to extract the trainNumber
238	torben	1039	trainNumber = trainNumber + " " + extractTrainNumberAzure(fields.get(2));
239	torben	342	departure.setTrainNumber(trainNumber);
240
241	torben	992	String destination = fields.get(3).text();
242	torben	342	departure.setDestination(destination);
243
244	torben	992	String origin = fields.get(4).text();
245	torben	342	departure.setOrigin(origin);
246
247	torben	992	String location = fields.get(5).text();
248	torben	342	departure.setLocation(location);
249
250	torben	992	String status = fields.get(6).text().trim();
251	torben	342	departure.setStatus(status);
252
253			String note = extractNote( fields.get(7) );
254			departure.setNote(note);
255
256	torben	972	departure.setType(typeString);
257	torben	697
258	torben	1063	departureBean.entries.add( departure );
259	torben	342	}
260			}
261	torben	348	} else {
262			logger.warning("No departures found for station=" + stationcode + ", type=" + type);
263	torben	305	}
264	torben	978
265	torben	992	Element notifDiv = page.getElementById("station_planlagte_text");
266	torben	978	if (notifDiv != null) {
267
268	torben	992	Elements tables = notifDiv.getElementsByTag("table");
269			for (Element tab : tables) {
270	torben	978
271	torben	992	Elements anchors = tab.getElementsByTag("a");
272	torben	978	if (anchors.size() == 2) {
273	torben	992	departureBean.notifications.add( anchors.get(1).text() );
274	torben	978	}
275			}
276
277			}
278
279
280			return departureBean;
281	torben	305	}
282
283	torben	1330	public DepartureBean lookupDeparturesMobileSite(String stationcode, TrainType traintype, boolean arrival) throws Exception {
284
285			DepartureBean departureBean = new DepartureBean();
286
287
288			String typeString = getTypeStringWww(traintype);
289			String arrivalDeparture = (arrival==false) ? "afgang" : "ankomst";
290
291			stationcode = URLEncoder.encode(stationcode,"ISO-8859-1");
292
293	torben	1424
294	torben	1330	String uri = "http://mobil.bane.dk/mobilStation.asp?artikelID=5332&stat_kode=" + stationcode + "&webprofil=" + typeString +"&beskrivelse=&mode=ankomstafgang&ankomstafgang=" + arrivalDeparture + "&gemstation=&fuldvisning=1";
295			logger.fine("URI: " + uri);
296			JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), settings.getReplyTimeout() );
297			CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
298
299			Document page = (Document) breaker.invoke(wrapper);
300
301
302			Element content = page.getElementsByClass("contentDiv").get(0);
303
304
305			if (content != null) {
306			Elements tableRows = content.child(0).children();
307
308
309
310			for (Element currentRow : tableRows) {
311			if (currentRow.tagName().equals("br") ) {
312			break;
313			}
314
315
316	torben	1355	String link = currentRow.child(0).attr("href");
317
318	torben	1335	logger.fine( currentRow.text() );
319	torben	1355	logger.fine("Href: " + link);
320	torben	1330
321
322			String parts[] = currentRow.text().split(",");
323
324
325			DepartureEntry departure = new DepartureEntry();
326	torben	1355
327			//if we do these things upfront, then we are allowed to use continue statement when row contains no more data
328			departure.setType(typeString);
329			departureBean.entries.add( departure );
330	torben	1330
331			/*
332			http://mobil.bane.dk/mobilStation.asp?artikelID=5332&tognummer=111&webprofil=FJRN&mode=rute&strBemaerkning=Afg%E5r+fra+%C5rhus+H+kl%2E07%3A21++&strRefURL=%2FmobilStation%2Easp%3FartikelID%3D5332%26stat%5Fkode%3DAR%26webprofil%3DFJRN%26beskrivelse%3D%25C5rhus%2BH%26mode%3Dankomstafgang%26ankomstafgang%3Dafgang%26gemstation%3D
333			*/
334			int offset = 0;
335
336			String time = parts[offset++];
337			if (time.equals(""))
338			time = "0:00"; //Bane.dk bug work-around
339			departure.setTime(time);
340
341			int updated = 4; //does not exist on mobile
342			departure.setUpdated(updated);
343
344	torben	1366	String trainNumber = extractTrainNumberMobile(link);
345	torben	1330	/*if (traintype == TrainType.STOG) //If it is S-train we need to extract the trainNumber
346			trainNumber = trainNumber + " " + extractTrainNumberAzure(fields.get(2));*/
347			departure.setTrainNumber(trainNumber);
348
349	torben	1334	if (traintype == TrainType.STOG) { //if it is stog the next vield is the "Line" code - this should be used somewhere, but skippint ahead for now
350	torben	1366	String stogLine = parts[offset++].trim();
351			departure.setTrainNumber(stogLine + " " + trainNumber);
352	torben	1333	}
353
354	torben	1366	String destination = parts[offset++].trim();;
355	torben	1330	departure.setDestination(destination);
356
357	torben	1332	String origin = "-"; // fields.get(4).text(); does not exist on mobile
358	torben	1330	departure.setOrigin(origin);
359
360			String location = ""; // fields.get(5).text(); does not exist on mobile
361			departure.setLocation(location);
362	torben	1355
363			if (offset == parts.length) {
364			continue;
365			}
366
367			if (parts[offset].trim().equalsIgnoreCase("NB!")) {
368			offset++;
369			}
370
371			if (offset == parts.length) {
372			continue;
373			}
374	torben	1330
375	torben	1366	String status = parts[offset++].trim();; //fields.get(6).text().trim(); - extract from url
376	torben	1330	departure.setStatus(status);
377
378			String note = ""; //extractNote( fields.get(7) ); - extract from url
379			departure.setNote(note);
380
381			}
382			} else {
383			logger.warning("No departures found for station=" + stationcode + ", type=" + traintype);
384			}
385
386			return departureBean;
387			}
388	torben	1038
389
390	torben	1330
391	torben	1040	public static String cleanText(String input) {
392			//apparently JSoup translates   characters on www.bane.dk to 0xA0
393	torben	1038	return input.replace((char) 0xA0, (char)0x20).trim();
394			}
395
396	torben	1330
397			// old www site is not available any more
398			@Deprecated
399	torben	1034	public DepartureBean lookupDeparturesWwwSite(String stationcode, TrainType trainType, boolean arrival) throws Exception {
400	torben	580
401	torben	1034	DepartureBean departureBean = new DepartureBean();
402	torben	580
403	torben	1034	String type = getTypeStringWww(trainType);
404
405	torben	1045	stationcode = URLEncoder.encode(stationcode, "ISO-8859-1");
406
407	torben	1034
408			String uri = "http://www.bane.dk/visStation.asp?ArtikelID=4275&W=" + type + "&S=" + stationcode;
409	torben	1048	logger.fine("URI:" + uri);
410
411	torben	1047
412	torben	1303	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), settings.getReplyTimeout() );
413	torben	580	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
414
415	torben	1034	Element page = (Element) breaker.invoke(wrapper);
416	torben	580
417	torben	1034	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
418			Element table = page.getElementById(tableName);
419	torben	580
420	torben	1046
421
422	torben	1034	if (table != null) {
423			Elements tableRows = table.getElementsByTag("tr");
424	torben	580
425	torben	1188	//boolean passedTidsstreg = false;
426			//boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
427	torben	1046
428	torben	1034	for (Element currentRow : tableRows) {
429			String rowClass = currentRow.attr("class");
430	torben	1188	/*
431	torben	1046	if (tidsstregExists == true && passedTidsstreg == false) {
432			if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
433			passedTidsstreg = true;
434			} else {
435			continue;
436			}
437	torben	1188	}*/
438	torben	1046
439
440	torben	1034	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
441			Elements fields = currentRow.getElementsByTag("td");
442
443			DepartureEntry departure = new DepartureEntry();
444
445
446
447	torben	1038	String time = cleanText( fields.get(0).getAllElements().get(2).text() );
448	torben	1034	if (time.equals(""))
449			time = "0:00"; //Bane.dk bug work-around
450			departure.setTime(time);
451
452			int updated = extractUpdated( fields.get(1) );
453			departure.setUpdated(updated);
454
455	torben	1038	String trainNumber = cleanText( fields.get(2).text() );
456	torben	1034	if (type.equalsIgnoreCase("S2")) //If it is S-train we need to extract the trainNumber
457	torben	1039	trainNumber = trainNumber + " " + extractTrainNumberWww(fields.get(2));
458	torben	1034	departure.setTrainNumber(trainNumber);
459
460	torben	1038	String destination = cleanText( fields.get(3).text() );
461	torben	1034	departure.setDestination(destination);
462
463	torben	1038	String origin = cleanText( fields.get(4).text() );
464	torben	1034	departure.setOrigin(origin);
465
466	torben	1038	String location = cleanText( fields.get(5).text() );
467	torben	1034	departure.setLocation(location);
468
469	torben	1038	String status = cleanText( fields.get(6).text() );
470	torben	1034	departure.setStatus(status);
471
472	torben	1038	String note = cleanText( extractNote( fields.get(7) ) );
473	torben	1034	departure.setNote(note);
474
475			departure.setType(type);
476
477	torben	1063	departureBean.entries.add(departure);
478	torben	1034
479
480	torben	580	}
481			}
482			} else {
483			logger.warning("No departures found for station=" + stationcode + ", type=" + type);
484			}
485
486	torben	591
487	torben	1034	return departureBean;
488			}
489
490	torben	580
491	torben	992	private int extractUpdated(Element updatedTd) { //extract the digit (in this case: 4) from "media/trafikinfo/opdater4.gif"
492	torben	305	int updated = -1;
493
494	torben	992	Elements updatedImgs = updatedTd.getElementsByTag("img");
495			String updatedStr = updatedImgs.get(0).attr("src");
496	torben	305
497			if (updatedStr != null) {
498			for (int i=0; i<updatedStr.length(); i++) {
499			char c = updatedStr.charAt(i);
500			if ( Character.isDigit(c)) {
501			updated = Character.digit(c, 10);
502			break;
503			}
504			}
505			}
506			return updated;
507			}
508
509	torben	992	private String extractNote(Element noteTd) {
510			String note = noteTd.text().trim();
511	torben	313
512	torben	992
513			Elements elems = noteTd.getElementsByClass("bemtype");
514	torben	313	if (elems.size() > 0 && note.charAt(note.length()-1) == 'i')
515			note = note.substring(0,note.length() -1 );
516
517	torben	1038	return note.trim();
518	torben	313	}
519
520	torben	1039	private String extractTrainNumberAzure(Element trainTd) {
521	torben	992	Element anchorElement = trainTd.getElementsByTag("a").get(0);
522			String href = anchorElement.attr("href");
523	torben	349
524	torben	2033	int pos = href.lastIndexOf('=');
525	torben	973	String number = href.substring(pos+1);
526	torben	970
527	torben	349	return number;
528			}
529
530	torben	1366	private String extractTrainNumberMobile(String link) {
531			Map<String,String> elements = HttpUtil.decodeParams(link);
532
533			return elements.get("tognummer");
534			}
535
536	torben	1039	private String extractTrainNumberWww(Element trainTd) {
537			String number = "";
538			Element anchorElement = trainTd.getElementsByTag("a").get(0);
539			String href = anchorElement.attr("href");
540	torben	1366
541			String argstring = href.split("?")[1];
542			Map<String,String> elements = HttpUtil.decodeParams(argstring);
543			number = elements.get("TogNr");
544	torben	1039
545	torben	1366
546			/*String argstring = href.substring( href.indexOf('?') + 1);
547	torben	1039	String args[] = argstring.split("&");
548			for (String arg : args) {
549			String pair[] = arg.split("="); // Key=pair[0], Value=pair[1]
550
551			if (pair[0].equalsIgnoreCase("TogNr"))
552			number = pair[1];
553	torben	1366	}*/
554
555	torben	1039
556			return number;
557			}
558	torben	1832
559	torben	1039
560	torben	1833
561	torben	305	//test
562	torben	580	/*
563	torben	451	public static void main(String args[]) throws Exception {
564	torben	305	DepartureFetcher f = new DepartureFetcher();
565	torben	307	List<DepartureBean> deps = f.lookupDepartures("AR", "FJRN");
566	torben	305	for(DepartureBean d : deps) {
567			System.out.println( d.getTime() + ";" + d.getUpdated() + ";" + d.getTrainNumber() + ";" +
568			d.getDestination() + ";" + d.getOrigin() + ";" + d.getLocation() + ";" + d.getStatus() + ";" + d.getNote() );
569			}
570
571			System.out.println("--------------------------");
572	torben	580	}*/
573	torben	305	}