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();
        

        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() );
        }
        
        
        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);
                }

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