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 = stationDao.getById(stationID);
                
                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	1060	StationEntry station = stationDao.getById(stationID);
69	torben	307
70	torben	1021	departureBean.stationName = station.getName();
71
72	torben	588	if (station.getRegional() != null) {
73	torben	978	DepartureBean tempBean = lookupDepartures(station.getRegional(), TrainType.REGIONAL, arrival);
74	torben	1063	departureBean.entries.addAll( tempBean.entries );
75	torben	978	departureBean.notifications.addAll(tempBean.notifications);
76	torben	307	}
77
78	torben	588	if (station.getStrain() != null) {
79	torben	978	DepartureBean tempBean = lookupDepartures(station.getStrain(), TrainType.STOG, arrival);
80	torben	1063	departureBean.entries.addAll( tempBean.entries );
81	torben	978	departureBean.notifications.addAll(tempBean.notifications);
82	torben	588	}
83
84	torben	1063	if (departureBean.entries.size() == 0) {
85	torben	1037	logger.info("No departures found for station " + stationID);
86			}
87
88	torben	1063	Collections.sort( departureBean.entries );
89	torben	588
90
91	torben	978	return departureBean;
92	torben	305	}
93
94	torben	978	public DepartureBean lookupDepartures(String stationcode, TrainType type, boolean arrival) throws Exception {
95	torben	1034	if (useAzureSite == true) {
96			return lookupDeparturesAzureSite(stationcode, type, arrival);
97			} else {
98			return lookupDeparturesWwwSite(stationcode, type, arrival);
99	torben	580	}
100			}
101
102	torben	1034	private String getTypeStringAzure(TrainType type) {
103	torben	972	switch (type) {
104			case STOG:
105			return "S-Tog";
106			case REGIONAL:
107			return "Fjerntog";
108			default:
109			return ""; //Can not happen
110			}
111			}
112
113	torben	1034	private String getTypeStringWww(TrainType type) {
114			switch (type) {
115			case STOG:
116			return "S2";
117			case REGIONAL:
118			return "FJRN";
119			default:
120			return ""; //Can not happen
121			}
122			}
123
124			public DepartureBean lookupDeparturesAzureSite(String stationcode, TrainType type, boolean arrival) throws Exception {
125	torben	305
126	torben	978	DepartureBean departureBean = new DepartureBean();
127	torben	992
128	torben	970
129	torben	1034	String typeString = getTypeStringAzure(type);
130	torben	970	String arrivalDeparture = (arrival==false) ? "Afgang" : "Ankomst";
131	torben	994
132			stationcode = URLEncoder.encode(stationcode,"ISO-8859-1");
133	torben	970
134	torben	1034	String uri = "http://trafikinfo.bane.dk/Trafikinformation/AfgangAnkomst/" + arrivalDeparture + "/" + stationcode + "/" + typeString + "/UdvidetVisning";
135	torben	994
136	torben	1048	logger.fine("URI: " + uri);
137	torben	1026	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), replyTimeout);
138	torben	421	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
139	torben	305
140	torben	992	Document page = (Document) breaker.invoke(wrapper);
141	torben	305
142	torben	829	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
143	torben	992	Element table = page.getElementById(tableName);
144	torben	829
145	torben	342	if (table != null) {
146	torben	992	Elements tableRows = table.getElementsByTag("tr");
147	torben	342
148	torben	1020	boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
149			boolean passedTidsstreg = false;
150
151	torben	992	for (Element currentRow : tableRows) {
152			String rowClass = currentRow.attr("class");
153	torben	1020
154			if (tidsstregExists == true && passedTidsstreg == false) {
155			if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
156			passedTidsstreg = true;
157			} else {
158			continue;
159			}
160			}
161
162	torben	342	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
163	torben	1020
164	torben	992	Elements fields = currentRow.getElementsByTag("td");
165	torben	342
166	torben	978	DepartureEntry departure = new DepartureEntry();
167	torben	342
168	torben	992	String time = fields.get(0).text();
169	torben	375	if (time.equals(""))
170			time = "0:00"; //Bane.dk bug work-around
171	torben	342	departure.setTime(time);
172
173			int updated = extractUpdated( fields.get(1) );
174			departure.setUpdated(updated);
175
176	torben	992	String trainNumber = fields.get(2).text();
177	torben	972	if (type == TrainType.STOG) //If it is S-train we need to extract the trainNumber
178	torben	1039	trainNumber = trainNumber + " " + extractTrainNumberAzure(fields.get(2));
179	torben	342	departure.setTrainNumber(trainNumber);
180
181	torben	992	String destination = fields.get(3).text();
182	torben	342	departure.setDestination(destination);
183
184	torben	992	String origin = fields.get(4).text();
185	torben	342	departure.setOrigin(origin);
186
187	torben	992	String location = fields.get(5).text();
188	torben	342	departure.setLocation(location);
189
190	torben	992	String status = fields.get(6).text().trim();
191	torben	342	departure.setStatus(status);
192
193			String note = extractNote( fields.get(7) );
194			departure.setNote(note);
195
196	torben	972	departure.setType(typeString);
197	torben	697
198	torben	1063	departureBean.entries.add( departure );
199	torben	342	}
200			}
201	torben	348	} else {
202			logger.warning("No departures found for station=" + stationcode + ", type=" + type);
203	torben	305	}
204	torben	978
205	torben	992	Element notifDiv = page.getElementById("station_planlagte_text");
206	torben	978	if (notifDiv != null) {
207
208	torben	992	Elements tables = notifDiv.getElementsByTag("table");
209			for (Element tab : tables) {
210	torben	978
211	torben	992	Elements anchors = tab.getElementsByTag("a");
212	torben	978	if (anchors.size() == 2) {
213	torben	992	departureBean.notifications.add( anchors.get(1).text() );
214	torben	978	}
215			}
216
217			}
218
219
220			return departureBean;
221	torben	305	}
222
223	torben	1038
224
225	torben	1040	public static String cleanText(String input) {
226			//apparently JSoup translates   characters on www.bane.dk to 0xA0
227	torben	1038	return input.replace((char) 0xA0, (char)0x20).trim();
228			}
229
230	torben	1034	public DepartureBean lookupDeparturesWwwSite(String stationcode, TrainType trainType, boolean arrival) throws Exception {
231	torben	580
232	torben	1034	DepartureBean departureBean = new DepartureBean();
233	torben	580
234	torben	1034	String type = getTypeStringWww(trainType);
235
236	torben	1045	stationcode = URLEncoder.encode(stationcode, "ISO-8859-1");
237
238	torben	1034
239			String uri = "http://www.bane.dk/visStation.asp?ArtikelID=4275&W=" + type + "&S=" + stationcode;
240	torben	1048	logger.fine("URI:" + uri);
241
242	torben	1047
243	torben	1034	JsoupInvocation wrapper = new JsoupInvocation( new URL(uri), replyTimeout);
244	torben	580	CircuitBreaker breaker = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
245
246	torben	1034	Element page = (Element) breaker.invoke(wrapper);
247	torben	580
248	torben	1034	String tableName = arrival == false ? "afgangtabel" : "ankomsttabel";
249			Element table = page.getElementById(tableName);
250	torben	580
251	torben	1046
252
253	torben	1034	if (table != null) {
254			Elements tableRows = table.getElementsByTag("tr");
255	torben	580
256	torben	1046	boolean passedTidsstreg = false;
257			boolean tidsstregExists = (table.getElementsByAttributeValue("class", "Tidsstreg").size() > 0);
258
259	torben	1034	for (Element currentRow : tableRows) {
260			String rowClass = currentRow.attr("class");
261	torben	1046
262			if (tidsstregExists == true && passedTidsstreg == false) {
263			if (currentRow.getElementsByAttributeValue("class", "Tidsstreg").size() > 0) {
264			passedTidsstreg = true;
265			} else {
266			continue;
267			}
268			}
269
270
271	torben	1034	if (rowClass != null && rowClass.toLowerCase().contains("station") ) {
272			Elements fields = currentRow.getElementsByTag("td");
273
274			DepartureEntry departure = new DepartureEntry();
275
276
277
278	torben	1038	String time = cleanText( fields.get(0).getAllElements().get(2).text() );
279	torben	1034	if (time.equals(""))
280			time = "0:00"; //Bane.dk bug work-around
281			departure.setTime(time);
282
283			int updated = extractUpdated( fields.get(1) );
284			departure.setUpdated(updated);
285
286	torben	1038	String trainNumber = cleanText( fields.get(2).text() );
287	torben	1034	if (type.equalsIgnoreCase("S2")) //If it is S-train we need to extract the trainNumber
288	torben	1039	trainNumber = trainNumber + " " + extractTrainNumberWww(fields.get(2));
289	torben	1034	departure.setTrainNumber(trainNumber);
290
291	torben	1038	String destination = cleanText( fields.get(3).text() );
292	torben	1034	departure.setDestination(destination);
293
294	torben	1038	String origin = cleanText( fields.get(4).text() );
295	torben	1034	departure.setOrigin(origin);
296
297	torben	1038	String location = cleanText( fields.get(5).text() );
298	torben	1034	departure.setLocation(location);
299
300	torben	1038	String status = cleanText( fields.get(6).text() );
301	torben	1034	departure.setStatus(status);
302
303	torben	1038	String note = cleanText( extractNote( fields.get(7) ) );
304	torben	1034	departure.setNote(note);
305
306			departure.setType(type);
307
308	torben	1063	departureBean.entries.add(departure);
309	torben	1034
310
311	torben	580	}
312			}
313			} else {
314			logger.warning("No departures found for station=" + stationcode + ", type=" + type);
315			}
316
317	torben	591
318	torben	1034	return departureBean;
319			}
320
321	torben	580
322	torben	992	private int extractUpdated(Element updatedTd) { //extract the digit (in this case: 4) from "media/trafikinfo/opdater4.gif"
323	torben	305	int updated = -1;
324
325	torben	992	Elements updatedImgs = updatedTd.getElementsByTag("img");
326			String updatedStr = updatedImgs.get(0).attr("src");
327	torben	305
328			if (updatedStr != null) {
329			for (int i=0; i<updatedStr.length(); i++) {
330			char c = updatedStr.charAt(i);
331			if ( Character.isDigit(c)) {
332			updated = Character.digit(c, 10);
333			break;
334			}
335			}
336			}
337			return updated;
338			}
339
340	torben	992	private String extractNote(Element noteTd) {
341			String note = noteTd.text().trim();
342	torben	313
343	torben	992
344			Elements elems = noteTd.getElementsByClass("bemtype");
345	torben	313	if (elems.size() > 0 && note.charAt(note.length()-1) == 'i')
346			note = note.substring(0,note.length() -1 );
347
348	torben	1038	return note.trim();
349	torben	313	}
350
351	torben	1039	private String extractTrainNumberAzure(Element trainTd) {
352	torben	992	Element anchorElement = trainTd.getElementsByTag("a").get(0);
353			String href = anchorElement.attr("href");
354	torben	349
355	torben	973	int pos = href.lastIndexOf('/');
356			String number = href.substring(pos+1);
357	torben	970
358	torben	349	return number;
359			}
360
361	torben	1039	private String extractTrainNumberWww(Element trainTd) {
362			String number = "";
363			Element anchorElement = trainTd.getElementsByTag("a").get(0);
364			String href = anchorElement.attr("href");
365			String argstring = href.substring( href.indexOf('?') + 1);
366
367			String args[] = argstring.split("&");
368			for (String arg : args) {
369			String pair[] = arg.split("="); // Key=pair[0], Value=pair[1]
370
371			if (pair[0].equalsIgnoreCase("TogNr"))
372			number = pair[1];
373			}
374
375
376			return number;
377			}
378
379
380	torben	305	//test
381	torben	580	/*
382	torben	451	public static void main(String args[]) throws Exception {
383	torben	305	DepartureFetcher f = new DepartureFetcher();
384	torben	307	List<DepartureBean> deps = f.lookupDepartures("AR", "FJRN");
385	torben	305	for(DepartureBean d : deps) {
386			System.out.println( d.getTime() + ";" + d.getUpdated() + ";" + d.getTrainNumber() + ";" +
387			d.getDestination() + ";" + d.getOrigin() + ";" + d.getLocation() + ";" + d.getStatus() + ";" + d.getNote() );
388			}
389
390			System.out.println("--------------------------");
391	torben	580	}*/
392	torben	305	}