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package dk.thoerup.traininfo.provider; |
package dk.thoerup.traininfo.provider; |
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public class ProviderFactory { |
public class ProviderFactory { |
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private static DepartureProvider departureProvider = null; |
private static DepartureProvider departureProvider = null; |
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private static StationProvider stationProvider = null; |
private static StationProvider stationProvider = null; |
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private static TimetableProvider timetableProvider = null; |
private static TimetableProvider timetableProvider = null; |
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private static MetroProvider metroProvider = null; |
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private static final boolean DEBUG = true; |
private static final boolean DEBUG = false; |
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//TODO: this one really doesn't belong here ... and damn it is ugly code |
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public static void purgeOldEntries() { |
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synchronized (ProviderFactory.class) { |
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if (stationProvider != null && stationProvider instanceof XmlStationProvider) { |
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((XmlStationProvider)stationProvider).stationCache.purgeOldEntries(); |
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} |
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if (departureProvider != null && departureProvider instanceof XmlDepartureProvider) { |
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((XmlDepartureProvider)departureProvider).departureCache.purgeOldEntries(); |
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} |
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if (timetableProvider != null && timetableProvider instanceof XmlTimetableProvider) { |
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((XmlTimetableProvider)timetableProvider).timetableCache.purgeOldEntries(); |
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} |
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if (metroProvider != null && metroProvider instanceof XmlMetroProvider) { |
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((XmlMetroProvider)metroProvider).metroCache.purgeOldEntries(); |
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} |
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} |
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} |
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public static DepartureProvider getDepartureProvider() { |
public static DepartureProvider getDepartureProvider() { |
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if (departureProvider == null) { |
if (departureProvider == null) { |
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} |
} |
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return timetableProvider; |
return timetableProvider; |
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} |
} |
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public static MetroProvider getMetroProvider() { |
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if (metroProvider == null) { |
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if (!DEBUG) { |
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metroProvider = new XmlMetroProvider(); |
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} else { |
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metroProvider = new DebugProvider(); |
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} |
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} |
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return metroProvider; |
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} |
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} |
} |