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.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 lookupDeparturesWwwSite(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 static String cleanText(String input) {
                //apparently JSoup translates &nbsp; characters on www.bane.dk to 0xA0 
                return input.replace((char) 0xA0, (char)0x20).trim();
        }
        
        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.traininfoservice.Statistics;
20	import dk.thoerup.traininfoservice.TraininfoSettings;;
21	import dk.thoerup.traininfoservice.db.StationDAO;
22
23	public class DepartureFetcher {
24
25	enum TrainType{
26	STOG,
27	REGIONAL
28	}
29
30	enum FetchTrainType {
31	STOG,
32	REGIONAL,
33	BOTH
34	}
35
36	Logger logger = Logger.getLogger(DepartureFetcher.class.getName());
37
38	Map<String, DepartureBean> cache;
39
40	StationDAO stationDao = new StationDAO();
41
42
43	private TraininfoSettings settings;
44
45	public DepartureFetcher(TraininfoSettings settings) {
46	this.settings = settings;
47	cache = new TimeoutMap<String,DepartureBean>( settings.getCacheTimeout() );
48	}
49
50
51
52
53	public DepartureBean cachedLookupDepartures(int stationID, boolean arrival, FetchTrainType type) throws Exception {
54
55	final String key = "" + stationID + ":" + arrival + ":" + type.toString();
56
57	DepartureBean departureBean = cache.get(key);
58
59
60	if (departureBean == null) {
61	departureBean = lookupDepartures(stationID, arrival, type);
62	cache.put(key, departureBean);
63	} else {
64	Statistics.getInstance().incrementDepartureCacheHits();
65	logger.info("Departure: Cache hit " + key); //remove before production
66	}
67	return departureBean;
68	}
69
70
71	public DepartureBean lookupDepartures(int stationID, boolean arrival, FetchTrainType type) throws Exception {
72
73	DepartureBean departureBean = new DepartureBean();
74
75	StationEntry station = stationDao.getById(stationID);
76
77	departureBean.stationName = station.getName();
78
79	if (station.getRegional() != null && (type == FetchTrainType.REGIONAL\|\|type == FetchTrainType.BOTH) ) {
80	DepartureBean tempBean = lookupDepartures(station.getRegional(), TrainType.REGIONAL, arrival);
81	departureBean.entries.addAll( tempBean.entries );
82	departureBean.notifications.addAll(tempBean.notifications);
83	}
84
85	if (station.getStrain() != null && (type == FetchTrainType.STOG\|\|type == FetchTrainType.BOTH)) {
86	DepartureBean tempBean = lookupDepartures(station.getStrain(), TrainType.STOG, arrival);
87	departureBean.entries.addAll( tempBean.entries );
88	departureBean.notifications.addAll(tempBean.notifications);
89	}
90
91	if (departureBean.entries.size() == 0) {
92	logger.info("No departures found for station " + stationID);
93	}
94
95	if (type == FetchTrainType.BOTH) { //if we have both S-tog and regional order by departure/arrival time
96	Collections.sort( departureBean.entries );
97	}
98
99
100	return departureBean;
101	}
102
103	public DepartureBean lookupDepartures(String stationcode, TrainType type, boolean arrival) throws Exception {
104	if ( settings.getUseAzureSite() == true) {
105	return lookupDeparturesAzureSite(stationcode, type, arrival);
106	} else {
107	return lookupDeparturesWwwSite(stationcode, type, arrival);
108	}
109	}
110
111	private String getTypeStringAzure(TrainType type) {
112	switch (type) {
113	case STOG:
114	return "S-Tog";
115	case REGIONAL:
116	return "Fjerntog";
117	default:
118	return ""; //Can not happen
119	}
120	}
121
122	private String getTypeStringWww(TrainType type) {
123	switch (type) {
124	case STOG:
125	return "S2";
126	case REGIONAL:
127	return "FJRN";
128	default:
129	return ""; //Can not happen
130	}
131	}
132
133	public DepartureBean lookupDeparturesAzureSite(String stationcode, TrainType type, boolean arrival) throws Exception {
134
135	DepartureBean departureBean = new DepartureBean();
136
137
138	String typeString = getTypeStringAzure(type);
139	String arrivalDeparture = (arrival==false) ? "Afgang" : "Ankomst";
140
141	stationcode = URLEncoder.encode(stationcode,"ISO-8859-1");
142
143	String uri = "http://trafikinfo.bane.dk/Trafikinformation/AfgangAnkomst/" + arrivalDeparture + "/" + stationcode + "/" + typeString + "/UdvidetVisning";
144
145	logger.fine("URI: " + uri);
146	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), settings.getReplyTimeout() );
147	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
148
149	Document page = (Document) breaker.invoke(wrapper);
150
151	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
152	Element table = page.getElementById(tableName);
153
154	if (table != null) {
155	Elements tableRows = table.getElementsByTag("tr");
156
157	//boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
158	//boolean passedTidsstreg = false;
159
160	for (Element currentRow : tableRows) {
161	String rowClass = currentRow.attr("class");
162	/*
163	if (tidsstregExists == true && passedTidsstreg == false) {
164	if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
165	passedTidsstreg = true;
166	} else {
167	continue;
168	}
169	}*/
170
171	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
172
173	Elements fields = currentRow.getElementsByTag("td");
174
175	DepartureEntry departure = new DepartureEntry();
176
177	String time = fields.get(0).text();
178	if (time.equals(""))
179	time = "0:00"; //Bane.dk bug work-around
180	departure.setTime(time);
181
182	int updated = extractUpdated( fields.get(1) );
183	departure.setUpdated(updated);
184
185	String trainNumber = fields.get(2).text();
186	if (type == TrainType.STOG) //If it is S-train we need to extract the trainNumber
187	trainNumber = trainNumber + " " + extractTrainNumberAzure(fields.get(2));
188	departure.setTrainNumber(trainNumber);
189
190	String destination = fields.get(3).text();
191	departure.setDestination(destination);
192
193	String origin = fields.get(4).text();
194	departure.setOrigin(origin);
195
196	String location = fields.get(5).text();
197	departure.setLocation(location);
198
199	String status = fields.get(6).text().trim();
200	departure.setStatus(status);
201
202	String note = extractNote( fields.get(7) );
203	departure.setNote(note);
204
205	departure.setType(typeString);
206
207	departureBean.entries.add( departure );
208	}
209	}
210	} else {
211	logger.warning("No departures found for station=" + stationcode + ", type=" + type);
212	}
213
214	Element notifDiv = page.getElementById("station_planlagte_text");
215	if (notifDiv != null) {
216
217	Elements tables = notifDiv.getElementsByTag("table");
218	for (Element tab : tables) {
219
220	Elements anchors = tab.getElementsByTag("a");
221	if (anchors.size() == 2) {
222	departureBean.notifications.add( anchors.get(1).text() );
223	}
224	}
225
226	}
227
228
229	return departureBean;
230	}
231
232
233
234	public static String cleanText(String input) {
235	//apparently JSoup translates   characters on www.bane.dk to 0xA0
236	return input.replace((char) 0xA0, (char)0x20).trim();
237	}
238
239	public DepartureBean lookupDeparturesWwwSite(String stationcode, TrainType trainType, boolean arrival) throws Exception {
240
241	DepartureBean departureBean = new DepartureBean();
242
243	String type = getTypeStringWww(trainType);
244
245	stationcode = URLEncoder.encode(stationcode, "ISO-8859-1");
246
247
248	String uri = "http://www.bane.dk/visStation.asp?ArtikelID=4275&W=" + type + "&S=" + stationcode;
249	logger.fine("URI:" + uri);
250
251
252	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), settings.getReplyTimeout() );
253	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
254
255	Element page = (Element) breaker.invoke(wrapper);
256
257	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
258	Element table = page.getElementById(tableName);
259
260
261
262	if (table != null) {
263	Elements tableRows = table.getElementsByTag("tr");
264
265	//boolean passedTidsstreg = false;
266	//boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
267
268	for (Element currentRow : tableRows) {
269	String rowClass = currentRow.attr("class");
270	/*
271	if (tidsstregExists == true && passedTidsstreg == false) {
272	if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
273	passedTidsstreg = true;
274	} else {
275	continue;
276	}
277	}*/
278
279
280	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
281	Elements fields = currentRow.getElementsByTag("td");
282
283	DepartureEntry departure = new DepartureEntry();
284
285
286
287	String time = cleanText( fields.get(0).getAllElements().get(2).text() );
288	if (time.equals(""))
289	time = "0:00"; //Bane.dk bug work-around
290	departure.setTime(time);
291
292	int updated = extractUpdated( fields.get(1) );
293	departure.setUpdated(updated);
294
295	String trainNumber = cleanText( fields.get(2).text() );
296	if (type.equalsIgnoreCase("S2")) //If it is S-train we need to extract the trainNumber
297	trainNumber = trainNumber + " " + extractTrainNumberWww(fields.get(2));
298	departure.setTrainNumber(trainNumber);
299
300	String destination = cleanText( fields.get(3).text() );
301	departure.setDestination(destination);
302
303	String origin = cleanText( fields.get(4).text() );
304	departure.setOrigin(origin);
305
306	String location = cleanText( fields.get(5).text() );
307	departure.setLocation(location);
308
309	String status = cleanText( fields.get(6).text() );
310	departure.setStatus(status);
311
312	String note = cleanText( extractNote( fields.get(7) ) );
313	departure.setNote(note);
314
315	departure.setType(type);
316
317	departureBean.entries.add(departure);
318
319
320	}
321	}
322	} else {
323	logger.warning("No departures found for station=" + stationcode + ", type=" + type);
324	}
325
326
327	return departureBean;
328	}
329
330
331	private int extractUpdated(Element updatedTd) { //extract the digit (in this case: 4) from "media/trafikinfo/opdater4.gif"
332	int updated = -1;
333
334	Elements updatedImgs = updatedTd.getElementsByTag("img");
335	String updatedStr = updatedImgs.get(0).attr("src");
336
337	if (updatedStr != null) {
338	for (int i=0; i<updatedStr.length(); i++) {
339	char c = updatedStr.charAt(i);
340	if ( Character.isDigit(c)) {
341	updated = Character.digit(c, 10);
342	break;
343	}
344	}
345	}
346	return updated;
347	}
348
349	private String extractNote(Element noteTd) {
350	String note = noteTd.text().trim();
351
352
353	Elements elems = noteTd.getElementsByClass("bemtype");
354	if (elems.size() > 0 && note.charAt(note.length()-1) == 'i')
355	note = note.substring(0,note.length() -1 );
356
357	return note.trim();
358	}
359
360	private String extractTrainNumberAzure(Element trainTd) {
361	Element anchorElement = trainTd.getElementsByTag("a").get(0);
362	String href = anchorElement.attr("href");
363
364	int pos = href.lastIndexOf('/');
365	String number = href.substring(pos+1);
366
367	return number;
368	}
369
370	private String extractTrainNumberWww(Element trainTd) {
371	String number = "";
372	Element anchorElement = trainTd.getElementsByTag("a").get(0);
373	String href = anchorElement.attr("href");
374	String argstring = href.substring( href.indexOf('?') + 1);
375
376	String args[] = argstring.split("&");
377	for (String arg : args) {
378	String pair[] = arg.split("="); // Key=pair[0], Value=pair[1]
379
380	if (pair[0].equalsIgnoreCase("TogNr"))
381	number = pair[1];
382	}
383
384
385	return number;
386	}
387
388
389	//test
390	/*
391	public static void main(String args[]) throws Exception {
392	DepartureFetcher f = new DepartureFetcher();
393	List<DepartureBean> deps = f.lookupDepartures("AR", "FJRN");
394	for(DepartureBean d : deps) {
395	System.out.println( d.getTime() + ";" + d.getUpdated() + ";" + d.getTrainNumber() + ";" +
396	d.getDestination() + ";" + d.getOrigin() + ";" + d.getLocation() + ";" + d.getStatus() + ";" + d.getNote() );
397	}
398
399	System.out.println("--------------------------");
400	}*/
401	}