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	package dk.thoerup.traininfoservice.banedk;
2
3
4	import java.net.URL;
5	import java.net.URLEncoder;
6	import java.util.Collections;
7	import java.util.Map;
8	import java.util.logging.Logger;
9
10	import org.jsoup.nodes.Document;
11	import org.jsoup.nodes.Element;
12	import org.jsoup.select.Elements;
13
14	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	import dk.thoerup.circuitbreaker.CircuitBreaker;
18	import dk.thoerup.circuitbreaker.CircuitBreakerManager;
19	import dk.thoerup.genericjavautils.TimeoutMap;
20	import dk.thoerup.traininfoservice.Statistics;
21	import dk.thoerup.traininfoservice.TraininfoSettings;
22	import dk.thoerup.traininfoservice.db.StationDAO;
23
24	public class DepartureFetcher {
25
26	enum TrainType{
27	STOG,
28	REGIONAL
29	}
30
31	enum FetchTrainType {
32	STOG,
33	REGIONAL,
34	BOTH
35	}
36
37	Logger logger = Logger.getLogger(DepartureFetcher.class.getName());
38
39	Map<String, DepartureBean> cache;
40
41	StationDAO stationDao = new StationDAO();
42
43
44	private TraininfoSettings settings;
45
46	public DepartureFetcher(TraininfoSettings settings) {
47	this.settings = settings;
48	cache = new TimeoutMap<String,DepartureBean>( settings.getCacheTimeout() );
49	}
50
51
52
53
54	public DepartureBean cachedLookupDepartures(int stationID, boolean arrival, FetchTrainType type) throws Exception {
55
56	final String key = "" + stationID + ":" + arrival + ":" + type.toString();
57
58	DepartureBean departureBean = cache.get(key);
59
60
61	if (departureBean == null) {
62	departureBean = lookupDepartures(stationID, arrival, type);
63	cache.put(key, departureBean);
64	} else {
65	Statistics.getInstance().incrementDepartureCacheHits();
66	logger.info("Departure: Cache hit " + key); //remove before production
67	}
68	return departureBean;
69	}
70
71
72	public DepartureBean lookupDepartures(int stationID, boolean arrival, FetchTrainType type) throws Exception {
73
74	DepartureBean departureBean = new DepartureBean();
75
76	StationEntry station = stationDao.getById(stationID);
77
78	departureBean.stationName = station.getName();
79
80	if (station.getRegional() != null && (type == FetchTrainType.REGIONAL\|\|type == FetchTrainType.BOTH) ) {
81	DepartureBean tempBean = lookupDepartures(station.getRegional(), TrainType.REGIONAL, arrival);
82	departureBean.entries.addAll( tempBean.entries );
83	departureBean.notifications.addAll(tempBean.notifications);
84	}
85
86	if (station.getStrain() != null && (type == FetchTrainType.STOG\|\|type == FetchTrainType.BOTH)) {
87	DepartureBean tempBean = lookupDepartures(station.getStrain(), TrainType.STOG, arrival);
88	departureBean.entries.addAll( tempBean.entries );
89	departureBean.notifications.addAll(tempBean.notifications);
90	}
91
92	if (departureBean.entries.size() == 0) {
93	logger.info("No departures found for station " + stationID);
94	}
95
96	if (type == FetchTrainType.BOTH) { //if we have both S-tog and regional order by departure/arrival time
97	Collections.sort( departureBean.entries );
98	}
99
100
101	return departureBean;
102	}
103
104	public DepartureBean lookupDepartures(String stationcode, TrainType type, boolean arrival) throws Exception {
105	if ( settings.getUseAzureSite() == true) {
106	return lookupDeparturesAzureSite(stationcode, type, arrival);
107	} else {
108	return lookupDeparturesMobileSite(stationcode, type, arrival);
109	}
110	}
111
112	private String getTypeStringAzure(TrainType type) {
113	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	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
136	DepartureBean departureBean = new DepartureBean();
137
138
139	String typeString = getTypeStringAzure(type);
140	String arrivalDeparture = (arrival==false) ? "Afgang" : "Ankomst";
141
142	stationcode = URLEncoder.encode(stationcode,"ISO-8859-1");
143
144	String uri = "http://trafikinfo.bane.dk/Trafikinformation/AfgangAnkomst/" + arrivalDeparture + "/" + stationcode + "/" + typeString + "/UdvidetVisning";
145
146	logger.fine("URI: " + uri);
147	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), settings.getReplyTimeout() );
148	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
149
150	Document page = (Document) breaker.invoke(wrapper);
151
152	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
153	Element table = page.getElementById(tableName);
154
155	if (table != null) {
156	Elements tableRows = table.getElementsByTag("tr");
157
158	//boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
159	//boolean passedTidsstreg = false;
160
161	for (Element currentRow : tableRows) {
162	String rowClass = currentRow.attr("class");
163	/*
164	if (tidsstregExists == true && passedTidsstreg == false) {
165	if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
166	passedTidsstreg = true;
167	} else {
168	continue;
169	}
170	}*/
171
172	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
173
174	Elements fields = currentRow.getElementsByTag("td");
175
176	DepartureEntry departure = new DepartureEntry();
177
178	String time = fields.get(0).text();
179	if (time.equals(""))
180	time = "0:00"; //Bane.dk bug work-around
181	departure.setTime(time);
182
183	int updated = extractUpdated( fields.get(1) );
184	departure.setUpdated(updated);
185
186	String trainNumber = fields.get(2).text();
187	if (type == TrainType.STOG) //If it is S-train we need to extract the trainNumber
188	trainNumber = trainNumber + " " + extractTrainNumberAzure(fields.get(2));
189	departure.setTrainNumber(trainNumber);
190
191	String destination = fields.get(3).text();
192	departure.setDestination(destination);
193
194	String origin = fields.get(4).text();
195	departure.setOrigin(origin);
196
197	String location = fields.get(5).text();
198	departure.setLocation(location);
199
200	String status = fields.get(6).text().trim();
201	departure.setStatus(status);
202
203	String note = extractNote( fields.get(7) );
204	departure.setNote(note);
205
206	departure.setType(typeString);
207
208	departureBean.entries.add( departure );
209	}
210	}
211	} else {
212	logger.warning("No departures found for station=" + stationcode + ", type=" + type);
213	}
214
215	Element notifDiv = page.getElementById("station_planlagte_text");
216	if (notifDiv != null) {
217
218	Elements tables = notifDiv.getElementsByTag("table");
219	for (Element tab : tables) {
220
221	Elements anchors = tab.getElementsByTag("a");
222	if (anchors.size() == 2) {
223	departureBean.notifications.add( anchors.get(1).text() );
224	}
225	}
226
227	}
228
229
230	return departureBean;
231	}
232
233	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	String link = currentRow.child(0).attr("href");
267
268	logger.fine( currentRow.text() );
269	logger.fine("Href: " + link);
270
271
272	String parts[] = currentRow.text().split(",");
273
274
275	DepartureEntry departure = new DepartureEntry();
276
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
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	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	offset++;
301	}
302
303	String destination = parts[offset++];
304	departure.setDestination(destination);
305
306	String origin = "-"; // fields.get(4).text(); does not exist on mobile
307	departure.setOrigin(origin);
308
309	String location = ""; // fields.get(5).text(); does not exist on mobile
310	departure.setLocation(location);
311
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
324	String status = parts[offset++]; //fields.get(6).text().trim(); - extract from url
325	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
338
339
340	public static String cleanText(String input) {
341	//apparently JSoup translates   characters on www.bane.dk to 0xA0
342	return input.replace((char) 0xA0, (char)0x20).trim();
343	}
344
345
346	// old www site is not available any more
347	@Deprecated
348	public DepartureBean lookupDeparturesWwwSite(String stationcode, TrainType trainType, boolean arrival) throws Exception {
349
350	DepartureBean departureBean = new DepartureBean();
351
352	String type = getTypeStringWww(trainType);
353
354	stationcode = URLEncoder.encode(stationcode, "ISO-8859-1");
355
356
357	String uri = "http://www.bane.dk/visStation.asp?ArtikelID=4275&W=" + type + "&S=" + stationcode;
358	logger.fine("URI:" + uri);
359
360
361	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), settings.getReplyTimeout() );
362	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
363
364	Element page = (Element) breaker.invoke(wrapper);
365
366	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
367	Element table = page.getElementById(tableName);
368
369
370
371	if (table != null) {
372	Elements tableRows = table.getElementsByTag("tr");
373
374	//boolean passedTidsstreg = false;
375	//boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
376
377	for (Element currentRow : tableRows) {
378	String rowClass = currentRow.attr("class");
379	/*
380	if (tidsstregExists == true && passedTidsstreg == false) {
381	if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
382	passedTidsstreg = true;
383	} else {
384	continue;
385	}
386	}*/
387
388
389	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
390	Elements fields = currentRow.getElementsByTag("td");
391
392	DepartureEntry departure = new DepartureEntry();
393
394
395
396	String time = cleanText( fields.get(0).getAllElements().get(2).text() );
397	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	String trainNumber = cleanText( fields.get(2).text() );
405	if (type.equalsIgnoreCase("S2")) //If it is S-train we need to extract the trainNumber
406	trainNumber = trainNumber + " " + extractTrainNumberWww(fields.get(2));
407	departure.setTrainNumber(trainNumber);
408
409	String destination = cleanText( fields.get(3).text() );
410	departure.setDestination(destination);
411
412	String origin = cleanText( fields.get(4).text() );
413	departure.setOrigin(origin);
414
415	String location = cleanText( fields.get(5).text() );
416	departure.setLocation(location);
417
418	String status = cleanText( fields.get(6).text() );
419	departure.setStatus(status);
420
421	String note = cleanText( extractNote( fields.get(7) ) );
422	departure.setNote(note);
423
424	departure.setType(type);
425
426	departureBean.entries.add(departure);
427
428
429	}
430	}
431	} else {
432	logger.warning("No departures found for station=" + stationcode + ", type=" + type);
433	}
434
435
436	return departureBean;
437	}
438
439
440	private int extractUpdated(Element updatedTd) { //extract the digit (in this case: 4) from "media/trafikinfo/opdater4.gif"
441	int updated = -1;
442
443	Elements updatedImgs = updatedTd.getElementsByTag("img");
444	String updatedStr = updatedImgs.get(0).attr("src");
445
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	private String extractNote(Element noteTd) {
459	String note = noteTd.text().trim();
460
461
462	Elements elems = noteTd.getElementsByClass("bemtype");
463	if (elems.size() > 0 && note.charAt(note.length()-1) == 'i')
464	note = note.substring(0,note.length() -1 );
465
466	return note.trim();
467	}
468
469	private String extractTrainNumberAzure(Element trainTd) {
470	Element anchorElement = trainTd.getElementsByTag("a").get(0);
471	String href = anchorElement.attr("href");
472
473	int pos = href.lastIndexOf('/');
474	String number = href.substring(pos+1);
475
476	return number;
477	}
478
479	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	//test
499	/*
500	public static void main(String args[]) throws Exception {
501	DepartureFetcher f = new DepartureFetcher();
502	List<DepartureBean> deps = f.lookupDepartures("AR", "FJRN");
503	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	}*/
510	}