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