traininfoservice/banedk/DepartureFetcher.java

package dk.thoerup.traininfoservice.banedk;


import java.net.URL;
import java.net.URLEncoder;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;

import net.sf.jsr107cache.Cache;
import net.sf.jsr107cache.CacheException;
import net.sf.jsr107cache.CacheManager;

import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import com.google.appengine.api.memcache.jsr107cache.GCacheFactory;

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.StationDAO;
import dk.thoerup.traininfoservice.Statistics;

public class DepartureFetcher {
        
        enum TrainType{
                STOG,
                REGIONAL
        }
        Cache cache;
        
        Logger logger = Logger.getLogger(DepartureFetcher.class.getName());     
        
        StationDAO stationDao = new StationDAO();
        
        private boolean useAzureSite;
        private int replyTimeout;
        
        @SuppressWarnings("unchecked")
        public DepartureFetcher(boolean azureSite, int cacheTimeout, int replyTimeout) {
                this.replyTimeout = replyTimeout;
                useAzureSite = azureSite;

        Map props = new HashMap();
        props.put(GCacheFactory.EXPIRATION_DELTA_MILLIS, cacheTimeout);        
                
                try {
            cache = CacheManager.getInstance().getCacheFactory().createCache(props);            
        } catch (CacheException e) {
                logger.log(Level.WARNING, "error creating cache", e);
        }

        }
        
        
        public DepartureBean cachedLookupDepartures(int stationID, boolean arrival) throws Exception {
                final String key = "departure:" + stationID + ":" + arrival;
                
                DepartureBean departureBean = (DepartureBean) cache.get(key);
                
                if (departureBean == null) {
                        departureBean = lookupDepartures(stationID,arrival);
                        cache.put(key, departureBean);
                        logger.info("Departure: Cache miss " + key + " !!! "); //remove before production
                } else {
                        Statistics.getInstance().incrementDepartureCacheHits();
                        logger.info("Departure: Cache hit " + key); 
                }
                
                return departureBean;
        }
                

        public DepartureBean lookupDepartures(int stationID, boolean arrival) throws Exception {
                
                DepartureBean departureBean = new DepartureBean();
                
                //TODO: debug code
                StationEntry station = new StationEntry(); // stationDao.getById(stationID);
                station.setId(82);
                station.setName("Test Station");
                station.setRegional("HS");
                //TODO: end of debug code
                
                departureBean.stationName = station.getName();
                
                if (station.getRegional() != null) {
                        DepartureBean tempBean = lookupDepartures(station.getRegional(), TrainType.REGIONAL, arrival);
                        departureBean.entries.addAll( tempBean.entries );
                        departureBean.notifications.addAll(tempBean.notifications);
                }
                
                if (station.getStrain() != null) {
                        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);
                }
                
                Collections.sort( departureBean.entries );

                
                return departureBean;
        }
        
        public DepartureBean lookupDepartures(String stationcode, TrainType type, boolean arrival) throws Exception {
                if (useAzureSite == 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), replyTimeout);
            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), replyTimeout); 
            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.HashMap;
8	import java.util.Map;
9	import java.util.logging.Level;
10	import java.util.logging.Logger;
11
12	import net.sf.jsr107cache.Cache;
13	import net.sf.jsr107cache.CacheException;
14	import net.sf.jsr107cache.CacheManager;
15
16	import org.jsoup.nodes.Document;
17	import org.jsoup.nodes.Element;
18	import org.jsoup.select.Elements;
19
20	import com.google.appengine.api.memcache.jsr107cache.GCacheFactory;
21
22	import dk.thoerup.android.traininfo.common.DepartureBean;
23	import dk.thoerup.android.traininfo.common.DepartureEntry;
24	import dk.thoerup.android.traininfo.common.StationBean.StationEntry;
25	import dk.thoerup.circuitbreaker.CircuitBreaker;
26	import dk.thoerup.circuitbreaker.CircuitBreakerManager;
27	import dk.thoerup.traininfoservice.StationDAO;
28	import dk.thoerup.traininfoservice.Statistics;
29
30	public class DepartureFetcher {
31
32	enum TrainType{
33	STOG,
34	REGIONAL
35	}
36	Cache cache;
37
38	Logger logger = Logger.getLogger(DepartureFetcher.class.getName());
39
40	StationDAO stationDao = new StationDAO();
41
42	private boolean useAzureSite;
43	private int replyTimeout;
44
45	@SuppressWarnings("unchecked")
46	public DepartureFetcher(boolean azureSite, int cacheTimeout, int replyTimeout) {
47	this.replyTimeout = replyTimeout;
48	useAzureSite = azureSite;
49
50	Map props = new HashMap();
51	props.put(GCacheFactory.EXPIRATION_DELTA_MILLIS, cacheTimeout);
52
53	try {
54	cache = CacheManager.getInstance().getCacheFactory().createCache(props);
55	} catch (CacheException e) {
56	logger.log(Level.WARNING, "error creating cache", e);
57	}
58
59	}
60
61
62
63
64	public DepartureBean cachedLookupDepartures(int stationID, boolean arrival) throws Exception {
65	final String key = "departure:" + stationID + ":" + arrival;
66
67	DepartureBean departureBean = (DepartureBean) cache.get(key);
68
69	if (departureBean == null) {
70	departureBean = lookupDepartures(stationID,arrival);
71	cache.put(key, departureBean);
72	logger.info("Departure: Cache miss " + key + " !!! "); //remove before production
73	} else {
74	Statistics.getInstance().incrementDepartureCacheHits();
75	logger.info("Departure: Cache hit " + key);
76	}
77
78	return departureBean;
79	}
80
81
82	public DepartureBean lookupDepartures(int stationID, boolean arrival) throws Exception {
83
84	DepartureBean departureBean = new DepartureBean();
85
86	//TODO: debug code
87	StationEntry station = new StationEntry(); // stationDao.getById(stationID);
88	station.setId(82);
89	station.setName("Test Station");
90	station.setRegional("HS");
91	//TODO: end of debug code
92
93	departureBean.stationName = station.getName();
94
95	if (station.getRegional() != null) {
96	DepartureBean tempBean = lookupDepartures(station.getRegional(), TrainType.REGIONAL, arrival);
97	departureBean.entries.addAll( tempBean.entries );
98	departureBean.notifications.addAll(tempBean.notifications);
99	}
100
101	if (station.getStrain() != null) {
102	DepartureBean tempBean = lookupDepartures(station.getStrain(), TrainType.STOG, arrival);
103	departureBean.entries.addAll( tempBean.entries );
104	departureBean.notifications.addAll(tempBean.notifications);
105	}
106
107	if (departureBean.entries.size() == 0) {
108	logger.info("No departures found for station " + stationID);
109	}
110
111	Collections.sort( departureBean.entries );
112
113
114	return departureBean;
115	}
116
117	public DepartureBean lookupDepartures(String stationcode, TrainType type, boolean arrival) throws Exception {
118	if (useAzureSite == true) {
119	return lookupDeparturesAzureSite(stationcode, type, arrival);
120	} else {
121	return lookupDeparturesWwwSite(stationcode, type, arrival);
122	}
123	}
124
125	private String getTypeStringAzure(TrainType type) {
126	switch (type) {
127	case STOG:
128	return "S-Tog";
129	case REGIONAL:
130	return "Fjerntog";
131	default:
132	return ""; //Can not happen
133	}
134	}
135
136	private String getTypeStringWww(TrainType type) {
137	switch (type) {
138	case STOG:
139	return "S2";
140	case REGIONAL:
141	return "FJRN";
142	default:
143	return ""; //Can not happen
144	}
145	}
146
147	public DepartureBean lookupDeparturesAzureSite(String stationcode, TrainType type, boolean arrival) throws Exception {
148
149	DepartureBean departureBean = new DepartureBean();
150
151
152	String typeString = getTypeStringAzure(type);
153	String arrivalDeparture = (arrival==false) ? "Afgang" : "Ankomst";
154
155	stationcode = URLEncoder.encode(stationcode,"ISO-8859-1");
156
157	String uri = "http://trafikinfo.bane.dk/Trafikinformation/AfgangAnkomst/" + arrivalDeparture + "/" + stationcode + "/" + typeString + "/UdvidetVisning";
158
159	logger.fine("URI: " + uri);
160	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), replyTimeout);
161	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
162
163	Document page = (Document) breaker.invoke(wrapper);
164
165	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
166	Element table = page.getElementById(tableName);
167
168	if (table != null) {
169	Elements tableRows = table.getElementsByTag("tr");
170
171	boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
172	boolean passedTidsstreg = false;
173
174	for (Element currentRow : tableRows) {
175	String rowClass = currentRow.attr("class");
176
177	if (tidsstregExists == true && passedTidsstreg == false) {
178	if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
179	passedTidsstreg = true;
180	} else {
181	continue;
182	}
183	}
184
185	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
186
187	Elements fields = currentRow.getElementsByTag("td");
188
189	DepartureEntry departure = new DepartureEntry();
190
191	String time = fields.get(0).text();
192	if (time.equals(""))
193	time = "0:00"; //Bane.dk bug work-around
194	departure.setTime(time);
195
196	int updated = extractUpdated( fields.get(1) );
197	departure.setUpdated(updated);
198
199	String trainNumber = fields.get(2).text();
200	if (type == TrainType.STOG) //If it is S-train we need to extract the trainNumber
201	trainNumber = trainNumber + " " + extractTrainNumberAzure(fields.get(2));
202	departure.setTrainNumber(trainNumber);
203
204	String destination = fields.get(3).text();
205	departure.setDestination(destination);
206
207	String origin = fields.get(4).text();
208	departure.setOrigin(origin);
209
210	String location = fields.get(5).text();
211	departure.setLocation(location);
212
213	String status = fields.get(6).text().trim();
214	departure.setStatus(status);
215
216	String note = extractNote( fields.get(7) );
217	departure.setNote(note);
218
219	departure.setType(typeString);
220
221	departureBean.entries.add( departure );
222	}
223	}
224	} else {
225	logger.warning("No departures found for station=" + stationcode + ", type=" + type);
226	}
227
228	Element notifDiv = page.getElementById("station_planlagte_text");
229	if (notifDiv != null) {
230
231	Elements tables = notifDiv.getElementsByTag("table");
232	for (Element tab : tables) {
233
234	Elements anchors = tab.getElementsByTag("a");
235	if (anchors.size() == 2) {
236	departureBean.notifications.add( anchors.get(1).text() );
237	}
238	}
239
240	}
241
242
243	return departureBean;
244	}
245
246
247
248	public static String cleanText(String input) {
249	//apparently JSoup translates   characters on www.bane.dk to 0xA0
250	return input.replace((char) 0xA0, (char)0x20).trim();
251	}
252
253	public DepartureBean lookupDeparturesWwwSite(String stationcode, TrainType trainType, boolean arrival) throws Exception {
254
255	DepartureBean departureBean = new DepartureBean();
256
257	String type = getTypeStringWww(trainType);
258
259	stationcode = URLEncoder.encode(stationcode, "ISO-8859-1");
260
261
262	String uri = "http://www.bane.dk/visStation.asp?ArtikelID=4275&W=" + type + "&S=" + stationcode;
263	logger.fine("URI:" + uri);
264
265
266	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), replyTimeout);
267	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
268
269	Element page = (Element) breaker.invoke(wrapper);
270
271	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
272	Element table = page.getElementById(tableName);
273
274
275
276	if (table != null) {
277	Elements tableRows = table.getElementsByTag("tr");
278
279	boolean passedTidsstreg = false;
280	boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
281
282	for (Element currentRow : tableRows) {
283	String rowClass = currentRow.attr("class");
284
285	if (tidsstregExists == true && passedTidsstreg == false) {
286	if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
287	passedTidsstreg = true;
288	} else {
289	continue;
290	}
291	}
292
293
294	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
295	Elements fields = currentRow.getElementsByTag("td");
296
297	DepartureEntry departure = new DepartureEntry();
298
299
300
301	String time = cleanText( fields.get(0).getAllElements().get(2).text() );
302	if (time.equals(""))
303	time = "0:00"; //Bane.dk bug work-around
304	departure.setTime(time);
305
306	int updated = extractUpdated( fields.get(1) );
307	departure.setUpdated(updated);
308
309	String trainNumber = cleanText( fields.get(2).text() );
310	if (type.equalsIgnoreCase("S2")) //If it is S-train we need to extract the trainNumber
311	trainNumber = trainNumber + " " + extractTrainNumberWww(fields.get(2));
312	departure.setTrainNumber(trainNumber);
313
314	String destination = cleanText( fields.get(3).text() );
315	departure.setDestination(destination);
316
317	String origin = cleanText( fields.get(4).text() );
318	departure.setOrigin(origin);
319
320	String location = cleanText( fields.get(5).text() );
321	departure.setLocation(location);
322
323	String status = cleanText( fields.get(6).text() );
324	departure.setStatus(status);
325
326	String note = cleanText( extractNote( fields.get(7) ) );
327	departure.setNote(note);
328
329	departure.setType(type);
330
331	departureBean.entries.add(departure);
332
333
334	}
335	}
336	} else {
337	logger.warning("No departures found for station=" + stationcode + ", type=" + type);
338	}
339
340
341	return departureBean;
342	}
343
344
345	private int extractUpdated(Element updatedTd) { //extract the digit (in this case: 4) from "media/trafikinfo/opdater4.gif"
346	int updated = -1;
347
348	Elements updatedImgs = updatedTd.getElementsByTag("img");
349	String updatedStr = updatedImgs.get(0).attr("src");
350
351	if (updatedStr != null) {
352	for (int i=0; i<updatedStr.length(); i++) {
353	char c = updatedStr.charAt(i);
354	if ( Character.isDigit(c)) {
355	updated = Character.digit(c, 10);
356	break;
357	}
358	}
359	}
360	return updated;
361	}
362
363	private String extractNote(Element noteTd) {
364	String note = noteTd.text().trim();
365
366
367	Elements elems = noteTd.getElementsByClass("bemtype");
368	if (elems.size() > 0 && note.charAt(note.length()-1) == 'i')
369	note = note.substring(0,note.length() -1 );
370
371	return note.trim();
372	}
373
374	private String extractTrainNumberAzure(Element trainTd) {
375	Element anchorElement = trainTd.getElementsByTag("a").get(0);
376	String href = anchorElement.attr("href");
377
378	int pos = href.lastIndexOf('/');
379	String number = href.substring(pos+1);
380
381	return number;
382	}
383
384	private String extractTrainNumberWww(Element trainTd) {
385	String number = "";
386	Element anchorElement = trainTd.getElementsByTag("a").get(0);
387	String href = anchorElement.attr("href");
388	String argstring = href.substring( href.indexOf('?') + 1);
389
390	String args[] = argstring.split("&");
391	for (String arg : args) {
392	String pair[] = arg.split("="); // Key=pair[0], Value=pair[1]
393
394	if (pair[0].equalsIgnoreCase("TogNr"))
395	number = pair[1];
396	}
397
398
399	return number;
400	}
401
402
403	//test
404	/*
405	public static void main(String args[]) throws Exception {
406	DepartureFetcher f = new DepartureFetcher();
407	List<DepartureBean> deps = f.lookupDepartures("AR", "FJRN");
408	for(DepartureBean d : deps) {
409	System.out.println( d.getTime() + ";" + d.getUpdated() + ";" + d.getTrainNumber() + ";" +
410	d.getDestination() + ";" + d.getOrigin() + ";" + d.getLocation() + ";" + d.getStatus() + ";" + d.getNote() );
411	}
412
413	System.out.println("--------------------------");
414	}*/
415	}