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

public class DepartureFetcher {
        
        enum TrainType{
                STOG,
                REGIONAL
        }
        
        Logger logger = Logger.getLogger(DepartureFetcher.class.getName());
        
        Map<String, DepartureBean> cache;
        
        StationDAO stationDao = new StationDAO();
        
        private boolean useAzureSite;
        private int replyTimeout;
        
        public DepartureFetcher(boolean azureSite, int cacheTimeout, int replyTimeout) {
                this.replyTimeout = replyTimeout;
                useAzureSite = azureSite;
                cache = new TimeoutMap<String,DepartureBean>(cacheTimeout);
        }
        
        
        public DepartureBean cachedLookupDepartures(int stationID, boolean arrival) throws Exception {
                final String key = "" + stationID + ":" + arrival;
                
                DepartureBean departureBean = cache.get(key);

                
                if (departureBean == null) {
                        departureBean = lookupDepartures(stationID,arrival);
                        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) throws Exception {
                
                DepartureBean departureBean = new DepartureBean();
                
                StationEntry station = new StationEntry(); // stationDao.getById(stationID);
                station.setId(82);
                station.setName("Test Station");
                station.setRegional("HS");
                
                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	torben	305	package dk.thoerup.traininfoservice.banedk;
2
3	torben	978
4	torben	992	import java.net.URL;
5	torben	994	import java.net.URLEncoder;
6	torben	307	import java.util.Collections;
7	torben	428	import java.util.Map;
8	torben	348	import java.util.logging.Logger;
9	torben	305
10	torben	992	import org.jsoup.nodes.Document;
11			import org.jsoup.nodes.Element;
12			import org.jsoup.select.Elements;
13	torben	305
14	torben	1061	import dk.thoerup.android.traininfo.common.DepartureBean;
15			import dk.thoerup.android.traininfo.common.DepartureEntry;
16			import dk.thoerup.android.traininfo.common.StationBean.StationEntry;
17	torben	468	import dk.thoerup.circuitbreaker.CircuitBreaker;
18			import dk.thoerup.circuitbreaker.CircuitBreakerManager;
19	torben	588	import dk.thoerup.traininfoservice.StationDAO;
20	torben	711	import dk.thoerup.traininfoservice.Statistics;
21	torben	307
22	torben	305	public class DepartureFetcher {
23	torben	348
24	torben	972	enum TrainType{
25			STOG,
26			REGIONAL
27			}
28
29	torben	348	Logger logger = Logger.getLogger(DepartureFetcher.class.getName());
30	torben	387
31	torben	978	Map<String, DepartureBean> cache;
32	torben	387
33	torben	588	StationDAO stationDao = new StationDAO();
34
35	torben	1034	private boolean useAzureSite;
36	torben	1026	private int replyTimeout;
37	torben	580
38	torben	1034	public DepartureFetcher(boolean azureSite, int cacheTimeout, int replyTimeout) {
39	torben	1026	this.replyTimeout = replyTimeout;
40	torben	1034	useAzureSite = azureSite;
41	torben	978	cache = new TimeoutMap<String,DepartureBean>(cacheTimeout);
42	torben	580	}
43
44
45	torben	307
46	torben	387
47	torben	978	public DepartureBean cachedLookupDepartures(int stationID, boolean arrival) throws Exception {
48	torben	829	final String key = "" + stationID + ":" + arrival;
49	torben	980
50	torben	978	DepartureBean departureBean = cache.get(key);
51	torben	308
52	torben	387
53	torben	978	if (departureBean == null) {
54			departureBean = lookupDepartures(stationID,arrival);
55			cache.put(key, departureBean);
56	torben	387	} else {
57	torben	711	Statistics.getInstance().incrementDepartureCacheHits();
58	torben	829	logger.info("Departure: Cache hit " + key); //remove before production
59	torben	387	}
60	torben	980	return departureBean;
61	torben	387	}
62
63
64	torben	978	public DepartureBean lookupDepartures(int stationID, boolean arrival) throws Exception {
65	torben	307
66	torben	978	DepartureBean departureBean = new DepartureBean();
67
68	torben	1080	StationEntry station = new StationEntry(); // stationDao.getById(stationID);
69			station.setId(82);
70			station.setName("Test Station");
71			station.setRegional("HS");
72	torben	307
73	torben	1021	departureBean.stationName = station.getName();
74
75	torben	588	if (station.getRegional() != null) {
76	torben	978	DepartureBean tempBean = lookupDepartures(station.getRegional(), TrainType.REGIONAL, arrival);
77	torben	1063	departureBean.entries.addAll( tempBean.entries );
78	torben	978	departureBean.notifications.addAll(tempBean.notifications);
79	torben	307	}
80
81	torben	588	if (station.getStrain() != null) {
82	torben	978	DepartureBean tempBean = lookupDepartures(station.getStrain(), TrainType.STOG, arrival);
83	torben	1063	departureBean.entries.addAll( tempBean.entries );
84	torben	978	departureBean.notifications.addAll(tempBean.notifications);
85	torben	588	}
86
87	torben	1063	if (departureBean.entries.size() == 0) {
88	torben	1037	logger.info("No departures found for station " + stationID);
89			}
90
91	torben	1063	Collections.sort( departureBean.entries );
92	torben	588
93
94	torben	978	return departureBean;
95	torben	305	}
96
97	torben	978	public DepartureBean lookupDepartures(String stationcode, TrainType type, boolean arrival) throws Exception {
98	torben	1034	if (useAzureSite == true) {
99			return lookupDeparturesAzureSite(stationcode, type, arrival);
100			} else {
101			return lookupDeparturesWwwSite(stationcode, type, arrival);
102	torben	580	}
103			}
104
105	torben	1034	private String getTypeStringAzure(TrainType type) {
106	torben	972	switch (type) {
107			case STOG:
108			return "S-Tog";
109			case REGIONAL:
110			return "Fjerntog";
111			default:
112			return ""; //Can not happen
113			}
114			}
115
116	torben	1034	private String getTypeStringWww(TrainType type) {
117			switch (type) {
118			case STOG:
119			return "S2";
120			case REGIONAL:
121			return "FJRN";
122			default:
123			return ""; //Can not happen
124			}
125			}
126
127			public DepartureBean lookupDeparturesAzureSite(String stationcode, TrainType type, boolean arrival) throws Exception {
128	torben	305
129	torben	978	DepartureBean departureBean = new DepartureBean();
130	torben	992
131	torben	970
132	torben	1034	String typeString = getTypeStringAzure(type);
133	torben	970	String arrivalDeparture = (arrival==false) ? "Afgang" : "Ankomst";
134	torben	994
135			stationcode = URLEncoder.encode(stationcode,"ISO-8859-1");
136	torben	970
137	torben	1034	String uri = "http://trafikinfo.bane.dk/Trafikinformation/AfgangAnkomst/" + arrivalDeparture + "/" + stationcode + "/" + typeString + "/UdvidetVisning";
138	torben	994
139	torben	1048	logger.fine("URI: " + uri);
140	torben	1026	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), replyTimeout);
141	torben	421	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
142	torben	305
143	torben	992	Document page = (Document) breaker.invoke(wrapper);
144	torben	305
145	torben	829	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
146	torben	992	Element table = page.getElementById(tableName);
147	torben	829
148	torben	342	if (table != null) {
149	torben	992	Elements tableRows = table.getElementsByTag("tr");
150	torben	342
151	torben	1020	boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
152			boolean passedTidsstreg = false;
153
154	torben	992	for (Element currentRow : tableRows) {
155			String rowClass = currentRow.attr("class");
156	torben	1020
157			if (tidsstregExists == true && passedTidsstreg == false) {
158			if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
159			passedTidsstreg = true;
160			} else {
161			continue;
162			}
163			}
164
165	torben	342	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
166	torben	1020
167	torben	992	Elements fields = currentRow.getElementsByTag("td");
168	torben	342
169	torben	978	DepartureEntry departure = new DepartureEntry();
170	torben	342
171	torben	992	String time = fields.get(0).text();
172	torben	375	if (time.equals(""))
173			time = "0:00"; //Bane.dk bug work-around
174	torben	342	departure.setTime(time);
175
176			int updated = extractUpdated( fields.get(1) );
177			departure.setUpdated(updated);
178
179	torben	992	String trainNumber = fields.get(2).text();
180	torben	972	if (type == TrainType.STOG) //If it is S-train we need to extract the trainNumber
181	torben	1039	trainNumber = trainNumber + " " + extractTrainNumberAzure(fields.get(2));
182	torben	342	departure.setTrainNumber(trainNumber);
183
184	torben	992	String destination = fields.get(3).text();
185	torben	342	departure.setDestination(destination);
186
187	torben	992	String origin = fields.get(4).text();
188	torben	342	departure.setOrigin(origin);
189
190	torben	992	String location = fields.get(5).text();
191	torben	342	departure.setLocation(location);
192
193	torben	992	String status = fields.get(6).text().trim();
194	torben	342	departure.setStatus(status);
195
196			String note = extractNote( fields.get(7) );
197			departure.setNote(note);
198
199	torben	972	departure.setType(typeString);
200	torben	697
201	torben	1063	departureBean.entries.add( departure );
202	torben	342	}
203			}
204	torben	348	} else {
205			logger.warning("No departures found for station=" + stationcode + ", type=" + type);
206	torben	305	}
207	torben	978
208	torben	992	Element notifDiv = page.getElementById("station_planlagte_text");
209	torben	978	if (notifDiv != null) {
210
211	torben	992	Elements tables = notifDiv.getElementsByTag("table");
212			for (Element tab : tables) {
213	torben	978
214	torben	992	Elements anchors = tab.getElementsByTag("a");
215	torben	978	if (anchors.size() == 2) {
216	torben	992	departureBean.notifications.add( anchors.get(1).text() );
217	torben	978	}
218			}
219
220			}
221
222
223			return departureBean;
224	torben	305	}
225
226	torben	1038
227
228	torben	1040	public static String cleanText(String input) {
229			//apparently JSoup translates   characters on www.bane.dk to 0xA0
230	torben	1038	return input.replace((char) 0xA0, (char)0x20).trim();
231			}
232
233	torben	1034	public DepartureBean lookupDeparturesWwwSite(String stationcode, TrainType trainType, boolean arrival) throws Exception {
234	torben	580
235	torben	1034	DepartureBean departureBean = new DepartureBean();
236	torben	580
237	torben	1034	String type = getTypeStringWww(trainType);
238
239	torben	1045	stationcode = URLEncoder.encode(stationcode, "ISO-8859-1");
240
241	torben	1034
242			String uri = "http://www.bane.dk/visStation.asp?ArtikelID=4275&W=" + type + "&S=" + stationcode;
243	torben	1048	logger.fine("URI:" + uri);
244
245	torben	1047
246	torben	1034	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), replyTimeout);
247	torben	580	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
248
249	torben	1034	Element page = (Element) breaker.invoke(wrapper);
250	torben	580
251	torben	1034	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
252			Element table = page.getElementById(tableName);
253	torben	580
254	torben	1046
255
256	torben	1034	if (table != null) {
257			Elements tableRows = table.getElementsByTag("tr");
258	torben	580
259	torben	1046	boolean passedTidsstreg = false;
260			boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
261
262	torben	1034	for (Element currentRow : tableRows) {
263			String rowClass = currentRow.attr("class");
264	torben	1046
265			if (tidsstregExists == true && passedTidsstreg == false) {
266			if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
267			passedTidsstreg = true;
268			} else {
269			continue;
270			}
271			}
272
273
274	torben	1034	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
275			Elements fields = currentRow.getElementsByTag("td");
276
277			DepartureEntry departure = new DepartureEntry();
278
279
280
281	torben	1038	String time = cleanText( fields.get(0).getAllElements().get(2).text() );
282	torben	1034	if (time.equals(""))
283			time = "0:00"; //Bane.dk bug work-around
284			departure.setTime(time);
285
286			int updated = extractUpdated( fields.get(1) );
287			departure.setUpdated(updated);
288
289	torben	1038	String trainNumber = cleanText( fields.get(2).text() );
290	torben	1034	if (type.equalsIgnoreCase("S2")) //If it is S-train we need to extract the trainNumber
291	torben	1039	trainNumber = trainNumber + " " + extractTrainNumberWww(fields.get(2));
292	torben	1034	departure.setTrainNumber(trainNumber);
293
294	torben	1038	String destination = cleanText( fields.get(3).text() );
295	torben	1034	departure.setDestination(destination);
296
297	torben	1038	String origin = cleanText( fields.get(4).text() );
298	torben	1034	departure.setOrigin(origin);
299
300	torben	1038	String location = cleanText( fields.get(5).text() );
301	torben	1034	departure.setLocation(location);
302
303	torben	1038	String status = cleanText( fields.get(6).text() );
304	torben	1034	departure.setStatus(status);
305
306	torben	1038	String note = cleanText( extractNote( fields.get(7) ) );
307	torben	1034	departure.setNote(note);
308
309			departure.setType(type);
310
311	torben	1063	departureBean.entries.add(departure);
312	torben	1034
313
314	torben	580	}
315			}
316			} else {
317			logger.warning("No departures found for station=" + stationcode + ", type=" + type);
318			}
319
320	torben	591
321	torben	1034	return departureBean;
322			}
323
324	torben	580
325	torben	992	private int extractUpdated(Element updatedTd) { //extract the digit (in this case: 4) from "media/trafikinfo/opdater4.gif"
326	torben	305	int updated = -1;
327
328	torben	992	Elements updatedImgs = updatedTd.getElementsByTag("img");
329			String updatedStr = updatedImgs.get(0).attr("src");
330	torben	305
331			if (updatedStr != null) {
332			for (int i=0; i<updatedStr.length(); i++) {
333			char c = updatedStr.charAt(i);
334			if ( Character.isDigit(c)) {
335			updated = Character.digit(c, 10);
336			break;
337			}
338			}
339			}
340			return updated;
341			}
342
343	torben	992	private String extractNote(Element noteTd) {
344			String note = noteTd.text().trim();
345	torben	313
346	torben	992
347			Elements elems = noteTd.getElementsByClass("bemtype");
348	torben	313	if (elems.size() > 0 && note.charAt(note.length()-1) == 'i')
349			note = note.substring(0,note.length() -1 );
350
351	torben	1038	return note.trim();
352	torben	313	}
353
354	torben	1039	private String extractTrainNumberAzure(Element trainTd) {
355	torben	992	Element anchorElement = trainTd.getElementsByTag("a").get(0);
356			String href = anchorElement.attr("href");
357	torben	349
358	torben	973	int pos = href.lastIndexOf('/');
359			String number = href.substring(pos+1);
360	torben	970
361	torben	349	return number;
362			}
363
364	torben	1039	private String extractTrainNumberWww(Element trainTd) {
365			String number = "";
366			Element anchorElement = trainTd.getElementsByTag("a").get(0);
367			String href = anchorElement.attr("href");
368			String argstring = href.substring( href.indexOf('?') + 1);
369
370			String args[] = argstring.split("&");
371			for (String arg : args) {
372			String pair[] = arg.split("="); // Key=pair[0], Value=pair[1]
373
374			if (pair[0].equalsIgnoreCase("TogNr"))
375			number = pair[1];
376			}
377
378
379			return number;
380			}
381
382
383	torben	305	//test
384	torben	580	/*
385	torben	451	public static void main(String args[]) throws Exception {
386	torben	305	DepartureFetcher f = new DepartureFetcher();
387	torben	307	List<DepartureBean> deps = f.lookupDepartures("AR", "FJRN");
388	torben	305	for(DepartureBean d : deps) {
389			System.out.println( d.getTime() + ";" + d.getUpdated() + ";" + d.getTrainNumber() + ";" +
390			d.getDestination() + ";" + d.getOrigin() + ";" + d.getLocation() + ";" + d.getStatus() + ";" + d.getNote() );
391			}
392
393			System.out.println("--------------------------");
394	torben	580	}*/
395	torben	305	}