--- android/TrainInfo/src/dk/thoerup/traininfo/provider/XmlStationProvider.java	2010/08/02 20:15:12	1003
+++ android/TrainInfo/src/dk/thoerup/traininfo/provider/XmlStationProvider.java	2010/08/02 23:01:47	1004
@@ -12,13 +12,16 @@
 import android.location.Location;
 import android.util.Log;
 import dk.thoerup.traininfo.StationBean;
+import dk.thoerup.traininfo.util.AndroidTimeoutCache;
 import dk.thoerup.traininfo.util.DownloadUtil;
 import dk.thoerup.traininfo.util.XmlUtil;
 
 public class XmlStationProvider implements StationProvider {
+	
+	final static int CACHE_TIMEOUT = 300*1000;
 
 	List<StationBean> stations = new ArrayList<StationBean>();	
-	
+	AndroidTimeoutCache<String, List<StationBean>> stationCache = new AndroidTimeoutCache<String, List<StationBean>>(CACHE_TIMEOUT);
 	
 	@Override
 	public List<StationBean> getStations() {
@@ -58,9 +61,27 @@
 		Log.i("url", url);
 		return lookupStationsWorker(url);
 	}
+	
+	public boolean lookupStationsWorker(String url) {
+		boolean result;
+		List<StationBean> tmpStations = stationCache.get(url);
+		
+		if (tmpStations != null) {
+			Log.i("lookupStations", "cache hit " + url);
+			result = true;
+		} else {
+			result = fetchStations(url);
+			
+			if (result == true) {
+				stationCache.put(url, stations);
+			}
+		}
+		
+		return result;
+	}
 
 
-	public boolean lookupStationsWorker(String url) {
+	public boolean fetchStations(String url) {
 		boolean success = false;
 
 		try {