traininfoservice/banedk/DepartureFetcher.java

package dk.thoerup.traininfoservice.banedk;


import java.net.URL;
import java.net.URLEncoder;
import java.util.Collections;
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.StationBean.StationEntry;
import dk.thoerup.circuitbreaker.CircuitBreaker;
import dk.thoerup.circuitbreaker.CircuitBreakerManager;
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;
        
        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();

                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);
                }
                
                if (type == FetchTrainType.BOTH) { //if we have both S-tog and regional order by departure/arrival time 
                        Collections.sort( departureBean.entries );
                }

                
                return departureBean;
        }
        
        public DepartureBean lookupDepartures(String stationcode, TrainType type, boolean arrival) throws Exception {
                if ( settings.getUseAzureSite() == true) {
                        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://trafikinfo.bane.dk/Trafikinformation/AfgangAnkomst/" + arrivalDeparture + "/" + stationcode + "/" + typeString + "/UdvidetVisning";      
            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 = "-"; //extractTrainNumberAzure(fields.get(2));
                        /*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
                                        offset++;
                                }

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