traininfo/provider/ProviderFactory.java

package dk.thoerup.traininfo.provider;


public class ProviderFactory {
        private static DepartureProvider departureProvider = null;
        private static StationProvider stationProvider = null;
        private static TimetableProvider timetableProvider = null;
        
        private static final boolean DEBUG = false;
        
        //TODO: this one really doesn't belong here ... and damn it is ugly code
        public static void purgeOldEntries() {          
                synchronized (ProviderFactory.class) {
                        if (stationProvider != null && stationProvider instanceof XmlStationProvider) { 
                                ((XmlStationProvider)stationProvider).stationCache.purgeOldEntries();
                        }
                        
                        if (departureProvider != null && departureProvider instanceof XmlDepartureProvider) { 
                                ((XmlDepartureProvider)departureProvider).departureCache.purgeOldEntries();
                        }
                        
                        if (timetableProvider != null && timetableProvider instanceof XmlTimetableProvider) { 
                                ((XmlTimetableProvider)timetableProvider).timetableCache.purgeOldEntries();
                        }
                }

        }
        
        public static DepartureProvider getDepartureProvider() {
                if (departureProvider == null) {
                        if (!DEBUG) {
                                departureProvider = new XmlDepartureProvider();
                        } else {
                                departureProvider = new DebugProvider();
                        }
                }
                
                return departureProvider;
        }
        
        public static StationProvider getStationProvider() {
                if (stationProvider == null) {
                        if (!DEBUG) {
                                stationProvider = new XmlStationProvider();
                        } else {
                                stationProvider = new DebugProvider();
                        }
                }
                
                return stationProvider;
        }
        
        public static TimetableProvider getTimetableProvider() {
                if (timetableProvider == null) {
                        if (!DEBUG) {
                                timetableProvider = new XmlTimetableProvider();
                        } else {
                                timetableProvider = new DebugProvider();
                        }
                }
                return timetableProvider;
        }
}
1	torben	237	package dk.thoerup.traininfo.provider;
2
3
4	torben	1027
5
6	torben	253	public class ProviderFactory {
7			private static DepartureProvider departureProvider = null;
8			private static StationProvider stationProvider = null;
9	torben	352	private static TimetableProvider timetableProvider = null;
10	torben	237
11	torben	365	private static final boolean DEBUG = false;
12	torben	363
13	torben	1027	//TODO: this one really doesn't belong here ... and damn it is ugly code
14			public static void purgeOldEntries() {
15			synchronized (ProviderFactory.class) {
16			if (stationProvider != null && stationProvider instanceof XmlStationProvider) {
17			((XmlStationProvider)stationProvider).stationCache.purgeOldEntries();
18			}
19
20			if (departureProvider != null && departureProvider instanceof XmlDepartureProvider) {
21			((XmlDepartureProvider)departureProvider).departureCache.purgeOldEntries();
22			}
23
24			if (timetableProvider != null && timetableProvider instanceof XmlTimetableProvider) {
25			((XmlTimetableProvider)timetableProvider).timetableCache.purgeOldEntries();
26			}
27			}
28
29			}
30
31	torben	253	public static DepartureProvider getDepartureProvider() {
32			if (departureProvider == null) {
33	torben	363	if (!DEBUG) {
34			departureProvider = new XmlDepartureProvider();
35			} else {
36			departureProvider = new DebugProvider();
37			}
38	torben	237	}
39
40	torben	253	return departureProvider;
41	torben	237	}
42	torben	253
43			public static StationProvider getStationProvider() {
44			if (stationProvider == null) {
45	torben	363	if (!DEBUG) {
46			stationProvider = new XmlStationProvider();
47			} else {
48			stationProvider = new DebugProvider();
49			}
50	torben	253	}
51
52			return stationProvider;
53			}
54	torben	352
55			public static TimetableProvider getTimetableProvider() {
56			if (timetableProvider == null) {
57	torben	363	if (!DEBUG) {
58			timetableProvider = new XmlTimetableProvider();
59			} else {
60			timetableProvider = new DebugProvider();
61			}
62	torben	352	}
63			return timetableProvider;
64			}
65	torben	237	}