--- android/TrainInfo/src/dk/thoerup/traininfo/provider/XmlDepartureProvider.java	2009/10/02 17:18:31	389
+++ android/TrainInfo/src/dk/thoerup/traininfo/provider/XmlDepartureProvider.java	2009/10/02 19:01:53	390
@@ -2,8 +2,6 @@
 
 import java.io.StringReader;
 import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashMap;
 import java.util.List;
 
 import javax.xml.parsers.SAXParser;
@@ -17,42 +15,41 @@
 
 import android.util.Log;
 import dk.thoerup.traininfo.DepartureBean;
+import dk.thoerup.traininfo.util.AndroidTimeoutCache;
 import dk.thoerup.traininfo.util.DownloadUtil;
 import dk.thoerup.traininfo.util.XmlUtil;
 
 public class XmlDepartureProvider extends DefaultHandler implements DepartureProvider {
 
-	final static long CACHE_TIMEOUT = 60*1000;
+	final static int CACHE_TIMEOUT = 60*1000;
 	
 	class CacheEntry {
 		public long timestamp;
 		public List<DepartureBean> departures;
 	}
 	
-	HashMap<Integer, CacheEntry> departureCache = new HashMap<Integer,CacheEntry>();	
-	ArrayList<DepartureBean> departures;
+	
+	AndroidTimeoutCache<Integer,List<DepartureBean>> departureCache = new AndroidTimeoutCache<Integer,List<DepartureBean>>(CACHE_TIMEOUT); 
+	
+	List<DepartureBean> departures;
 		
 	
 	DepartureBean tempDeparture;
 	StringBuilder builder = new StringBuilder(512);
 	
 	@Override
-	public boolean lookupDepartures(int stationID) {
-		CacheEntry entry = departureCache.get(stationID);
+	public boolean lookupDepartures(int stationID) {		
 		boolean success;
+		
+		departures = departureCache.get(stationID);
 	
-		long now = android.os.SystemClock.elapsedRealtime();
-		if (entry == null || (entry.timestamp+CACHE_TIMEOUT) < now) {
-			
+		if (departures == null) {			
 			success = lookupDeparturesWorker(stationID);
 			
-			if (success) {
-				entry = new CacheEntry();
-				entry.timestamp = android.os.SystemClock.elapsedRealtime();
-				entry.departures = departures;
-			
-				departureCache.put(stationID, entry);
+			if (success) {			
+				departureCache.put(stationID, departures);
 			}
+			
 		} else {
 			Log.i("XmlDepartureProvider", "cache hit !!!");
 			success = true;
@@ -90,14 +87,13 @@
 	
 	@Override
 	public List<DepartureBean> getDepartures(int station) {
-		CacheEntry entry = departureCache.get(station);
+		List<DepartureBean> list = departureCache.get(station);
 		
-		if (entry != null) {			
-			return entry.departures;
-		} else {
-			return new ArrayList<DepartureBean>();
-		}
+		if (list == null) {			
+			list = new ArrayList<DepartureBean>();
+		} 
 		
+		return list;
 	}
 	
 	// this can be called several times fore the same text-node if there are many chardata / lines