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.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 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, 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 (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	711	import dk.thoerup.traininfoservice.Statistics;
20	torben	1255	import dk.thoerup.traininfoservice.db.StationDAO;
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	1248	enum FetchTrainType {
30			STOG,
31			REGIONAL,
32			BOTH
33			}
34
35	torben	348	Logger logger = Logger.getLogger(DepartureFetcher.class.getName());
36	torben	387
37	torben	978	Map<String, DepartureBean> cache;
38	torben	387
39	torben	588	StationDAO stationDao = new StationDAO();
40
41	torben	1034	private boolean useAzureSite;
42	torben	1026	private int replyTimeout;
43	torben	580
44	torben	1034	public DepartureFetcher(boolean azureSite, int cacheTimeout, int replyTimeout) {
45	torben	1026	this.replyTimeout = replyTimeout;
46	torben	1034	useAzureSite = azureSite;
47	torben	978	cache = new TimeoutMap<String,DepartureBean>(cacheTimeout);
48	torben	580	}
49
50
51	torben	307
52	torben	387
53	torben	1248	public DepartureBean cachedLookupDepartures(int stationID, boolean arrival, FetchTrainType type) throws Exception {
54	torben	980
55	torben	1248	final String key = "" + stationID + ":" + arrival + ":" + type.toString();
56
57	torben	978	DepartureBean departureBean = cache.get(key);
58	torben	308
59	torben	387
60	torben	978	if (departureBean == null) {
61	torben	1248	departureBean = lookupDepartures(stationID, arrival, type);
62	torben	978	cache.put(key, departureBean);
63	torben	387	} else {
64	torben	711	Statistics.getInstance().incrementDepartureCacheHits();
65	torben	829	logger.info("Departure: Cache hit " + key); //remove before production
66	torben	387	}
67	torben	980	return departureBean;
68	torben	387	}
69
70
71	torben	1248	public DepartureBean lookupDepartures(int stationID, boolean arrival, FetchTrainType type) throws Exception {
72	torben	307
73	torben	978	DepartureBean departureBean = new DepartureBean();
74
75	torben	1060	StationEntry station = stationDao.getById(stationID);
76	torben	307
77	torben	1021	departureBean.stationName = station.getName();
78	torben	1252
79	torben	1248	if (station.getRegional() != null && (type == FetchTrainType.REGIONAL\|\|type == FetchTrainType.BOTH) ) {
80	torben	978	DepartureBean tempBean = lookupDepartures(station.getRegional(), TrainType.REGIONAL, arrival);
81	torben	1063	departureBean.entries.addAll( tempBean.entries );
82	torben	978	departureBean.notifications.addAll(tempBean.notifications);
83	torben	307	}
84
85	torben	1248	if (station.getStrain() != null && (type == FetchTrainType.STOG\|\|type == FetchTrainType.BOTH)) {
86	torben	978	DepartureBean tempBean = lookupDepartures(station.getStrain(), TrainType.STOG, arrival);
87	torben	1063	departureBean.entries.addAll( tempBean.entries );
88	torben	978	departureBean.notifications.addAll(tempBean.notifications);
89	torben	588	}
90
91	torben	1063	if (departureBean.entries.size() == 0) {
92	torben	1037	logger.info("No departures found for station " + stationID);
93			}
94
95	torben	1252	if (type == FetchTrainType.BOTH) { //if we have both S-tog and regional order by departure/arrival time
96			Collections.sort( departureBean.entries );
97			}
98	torben	588
99
100	torben	978	return departureBean;
101	torben	305	}
102
103	torben	978	public DepartureBean lookupDepartures(String stationcode, TrainType type, boolean arrival) throws Exception {
104	torben	1034	if (useAzureSite == true) {
105			return lookupDeparturesAzureSite(stationcode, type, arrival);
106			} else {
107			return lookupDeparturesWwwSite(stationcode, type, arrival);
108	torben	580	}
109			}
110
111	torben	1034	private String getTypeStringAzure(TrainType type) {
112	torben	972	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	torben	1034	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	torben	305
135	torben	978	DepartureBean departureBean = new DepartureBean();
136	torben	992
137	torben	970
138	torben	1034	String typeString = getTypeStringAzure(type);
139	torben	970	String arrivalDeparture = (arrival==false) ? "Afgang" : "Ankomst";
140	torben	994
141			stationcode = URLEncoder.encode(stationcode,"ISO-8859-1");
142	torben	970
143	torben	1034	String uri = "http://trafikinfo.bane.dk/Trafikinformation/AfgangAnkomst/" + arrivalDeparture + "/" + stationcode + "/" + typeString + "/UdvidetVisning";
144	torben	994
145	torben	1048	logger.fine("URI: " + uri);
146	torben	1026	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), replyTimeout);
147	torben	421	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
148	torben	305
149	torben	992	Document page = (Document) breaker.invoke(wrapper);
150	torben	305
151	torben	829	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
152	torben	992	Element table = page.getElementById(tableName);
153	torben	829
154	torben	342	if (table != null) {
155	torben	992	Elements tableRows = table.getElementsByTag("tr");
156	torben	342
157	torben	1188	//boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
158			//boolean passedTidsstreg = false;
159	torben	1020
160	torben	992	for (Element currentRow : tableRows) {
161			String rowClass = currentRow.attr("class");
162	torben	1188	/*
163	torben	1020	if (tidsstregExists == true && passedTidsstreg == false) {
164			if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
165			passedTidsstreg = true;
166			} else {
167			continue;
168			}
169	torben	1188	}*/
170	torben	1020
171	torben	342	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
172	torben	1020
173	torben	992	Elements fields = currentRow.getElementsByTag("td");
174	torben	342
175	torben	978	DepartureEntry departure = new DepartureEntry();
176	torben	342
177	torben	992	String time = fields.get(0).text();
178	torben	375	if (time.equals(""))
179			time = "0:00"; //Bane.dk bug work-around
180	torben	342	departure.setTime(time);
181
182			int updated = extractUpdated( fields.get(1) );
183			departure.setUpdated(updated);
184
185	torben	992	String trainNumber = fields.get(2).text();
186	torben	972	if (type == TrainType.STOG) //If it is S-train we need to extract the trainNumber
187	torben	1039	trainNumber = trainNumber + " " + extractTrainNumberAzure(fields.get(2));
188	torben	342	departure.setTrainNumber(trainNumber);
189
190	torben	992	String destination = fields.get(3).text();
191	torben	342	departure.setDestination(destination);
192
193	torben	992	String origin = fields.get(4).text();
194	torben	342	departure.setOrigin(origin);
195
196	torben	992	String location = fields.get(5).text();
197	torben	342	departure.setLocation(location);
198
199	torben	992	String status = fields.get(6).text().trim();
200	torben	342	departure.setStatus(status);
201
202			String note = extractNote( fields.get(7) );
203			departure.setNote(note);
204
205	torben	972	departure.setType(typeString);
206	torben	697
207	torben	1063	departureBean.entries.add( departure );
208	torben	342	}
209			}
210	torben	348	} else {
211			logger.warning("No departures found for station=" + stationcode + ", type=" + type);
212	torben	305	}
213	torben	978
214	torben	992	Element notifDiv = page.getElementById("station_planlagte_text");
215	torben	978	if (notifDiv != null) {
216
217	torben	992	Elements tables = notifDiv.getElementsByTag("table");
218			for (Element tab : tables) {
219	torben	978
220	torben	992	Elements anchors = tab.getElementsByTag("a");
221	torben	978	if (anchors.size() == 2) {
222	torben	992	departureBean.notifications.add( anchors.get(1).text() );
223	torben	978	}
224			}
225
226			}
227
228
229			return departureBean;
230	torben	305	}
231
232	torben	1038
233
234	torben	1040	public static String cleanText(String input) {
235			//apparently JSoup translates   characters on www.bane.dk to 0xA0
236	torben	1038	return input.replace((char) 0xA0, (char)0x20).trim();
237			}
238
239	torben	1034	public DepartureBean lookupDeparturesWwwSite(String stationcode, TrainType trainType, boolean arrival) throws Exception {
240	torben	580
241	torben	1034	DepartureBean departureBean = new DepartureBean();
242	torben	580
243	torben	1034	String type = getTypeStringWww(trainType);
244
245	torben	1045	stationcode = URLEncoder.encode(stationcode, "ISO-8859-1");
246
247	torben	1034
248			String uri = "http://www.bane.dk/visStation.asp?ArtikelID=4275&W=" + type + "&S=" + stationcode;
249	torben	1048	logger.fine("URI:" + uri);
250
251	torben	1047
252	torben	1034	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), replyTimeout);
253	torben	580	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
254
255	torben	1034	Element page = (Element) breaker.invoke(wrapper);
256	torben	580
257	torben	1034	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
258			Element table = page.getElementById(tableName);
259	torben	580
260	torben	1046
261
262	torben	1034	if (table != null) {
263			Elements tableRows = table.getElementsByTag("tr");
264	torben	580
265	torben	1188	//boolean passedTidsstreg = false;
266			//boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
267	torben	1046
268	torben	1034	for (Element currentRow : tableRows) {
269			String rowClass = currentRow.attr("class");
270	torben	1188	/*
271	torben	1046	if (tidsstregExists == true && passedTidsstreg == false) {
272			if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
273			passedTidsstreg = true;
274			} else {
275			continue;
276			}
277	torben	1188	}*/
278	torben	1046
279
280	torben	1034	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
281			Elements fields = currentRow.getElementsByTag("td");
282
283			DepartureEntry departure = new DepartureEntry();
284
285
286
287	torben	1038	String time = cleanText( fields.get(0).getAllElements().get(2).text() );
288	torben	1034	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	torben	1038	String trainNumber = cleanText( fields.get(2).text() );
296	torben	1034	if (type.equalsIgnoreCase("S2")) //If it is S-train we need to extract the trainNumber
297	torben	1039	trainNumber = trainNumber + " " + extractTrainNumberWww(fields.get(2));
298	torben	1034	departure.setTrainNumber(trainNumber);
299
300	torben	1038	String destination = cleanText( fields.get(3).text() );
301	torben	1034	departure.setDestination(destination);
302
303	torben	1038	String origin = cleanText( fields.get(4).text() );
304	torben	1034	departure.setOrigin(origin);
305
306	torben	1038	String location = cleanText( fields.get(5).text() );
307	torben	1034	departure.setLocation(location);
308
309	torben	1038	String status = cleanText( fields.get(6).text() );
310	torben	1034	departure.setStatus(status);
311
312	torben	1038	String note = cleanText( extractNote( fields.get(7) ) );
313	torben	1034	departure.setNote(note);
314
315			departure.setType(type);
316
317	torben	1063	departureBean.entries.add(departure);
318	torben	1034
319
320	torben	580	}
321			}
322			} else {
323			logger.warning("No departures found for station=" + stationcode + ", type=" + type);
324			}
325
326	torben	591
327	torben	1034	return departureBean;
328			}
329
330	torben	580
331	torben	992	private int extractUpdated(Element updatedTd) { //extract the digit (in this case: 4) from "media/trafikinfo/opdater4.gif"
332	torben	305	int updated = -1;
333
334	torben	992	Elements updatedImgs = updatedTd.getElementsByTag("img");
335			String updatedStr = updatedImgs.get(0).attr("src");
336	torben	305
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	torben	992	private String extractNote(Element noteTd) {
350			String note = noteTd.text().trim();
351	torben	313
352	torben	992
353			Elements elems = noteTd.getElementsByClass("bemtype");
354	torben	313	if (elems.size() > 0 && note.charAt(note.length()-1) == 'i')
355			note = note.substring(0,note.length() -1 );
356
357	torben	1038	return note.trim();
358	torben	313	}
359
360	torben	1039	private String extractTrainNumberAzure(Element trainTd) {
361	torben	992	Element anchorElement = trainTd.getElementsByTag("a").get(0);
362			String href = anchorElement.attr("href");
363	torben	349
364	torben	973	int pos = href.lastIndexOf('/');
365			String number = href.substring(pos+1);
366	torben	970
367	torben	349	return number;
368			}
369
370	torben	1039	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	torben	305	//test
390	torben	580	/*
391	torben	451	public static void main(String args[]) throws Exception {
392	torben	305	DepartureFetcher f = new DepartureFetcher();
393	torben	307	List<DepartureBean> deps = f.lookupDepartures("AR", "FJRN");
394	torben	305	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	torben	580	}*/
401	torben	305	}