trying to extract loadmanager parts

mobile/com.sap.sailing.racecommittee.app/src/com/sap/sailing/racecommittee/app/data/OnlineDataManager.java

@@ -85,7 +85,7 @@ public class OnlineDataManager extends DataManager {
         }
     }
 
-    protected void reloadEvents(LoadClient<Collection<EventBase>> client) {
+    protected DataLoader<Collection<EventBase>> reloadEvents(LoadClient<Collection<EventBase>> client) {
         SharedDomainFactory domainFactory = DomainFactoryImpl.INSTANCE;
         DataParser<Collection<EventBase>> parser = new EventsDataParser(new EventBaseJsonDeserializer(
                 new VenueJsonDeserializer(new CourseAreaJsonDeserializer(domainFactory))));
@@ -99,6 +99,7 @@ public class OnlineDataManager extends DataManager {
         } catch (IOException e) {
             e.printStackTrace();
         }
+        return null;
     }
 
     public void loadCourseAreas(final Serializable parentEventId, final LoadClient<Collection<CourseArea>> client) {

mobile/com.sap.sailing.racecommittee.app/src/com/sap/sailing/racecommittee/app/data/loaders/DataLoader.java

@@ -68,13 +68,13 @@ public class DataLoader<T> extends AsyncTaskLoader<T> {
         }
     }
 
-    @Override
+    /*@Override
     public void deliverResult(T data) {
         if (data == null) {
             dataHandler.onFailed(lastException);
         } else {
             dataHandler.onLoaded(data);
         }
-    }
+    }*/
 
 }

mobile/com.sap.sailing.racecommittee.app/src/com/sap/sailing/racecommittee/app/ui/fragments/lists/EventListFragment.java

@@ -1,13 +1,34 @@
 package com.sap.sailing.racecommittee.app.ui.fragments.lists;
 
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.util.Collection;
+import java.util.Collections;
+
 import android.app.Activity;
+import android.app.LoaderManager.LoaderCallbacks;
+import android.content.Loader;
+import android.os.Bundle;
+
 import com.sap.sailing.domain.base.EventBase;
+import com.sap.sailing.racecommittee.app.AppPreferences;
 import com.sap.sailing.racecommittee.app.R;
 import com.sap.sailing.racecommittee.app.data.ReadonlyDataManager;
+import com.sap.sailing.racecommittee.app.data.handlers.DataHandler;
+import com.sap.sailing.racecommittee.app.data.handlers.EventsDataHandler;
+import com.sap.sailing.racecommittee.app.data.loaders.DataLoader;
+import com.sap.sailing.racecommittee.app.data.parsers.DataParser;
+import com.sap.sailing.racecommittee.app.data.parsers.EventsDataParser;
+import com.sap.sailing.racecommittee.app.domain.impl.DomainFactoryImpl;
+import com.sap.sailing.racecommittee.app.logging.ExLog;
 import com.sap.sailing.racecommittee.app.ui.fragments.lists.selection.EventSelectedListenerHost;
 import com.sap.sailing.racecommittee.app.ui.fragments.lists.selection.ItemSelectedListener;
+import com.sap.sailing.server.gateway.deserialization.impl.CourseAreaJsonDeserializer;
+import com.sap.sailing.server.gateway.deserialization.impl.EventBaseJsonDeserializer;
+import com.sap.sailing.server.gateway.deserialization.impl.VenueJsonDeserializer;
 
-public class EventListFragment extends NamedListFragment<EventBase> {
+public class EventListFragment extends NamedListFragment<EventBase> implements LoaderCallbacks<Collection<EventBase>> {
     
     @Override
     public void onResume() {
@@ -33,7 +54,37 @@ public class EventListFragment extends NamedListFragment<EventBase> {
 
     @Override
     protected void loadItems(ReadonlyDataManager manager) {
-        manager.loadEvents(this);
+        /*manager.loadEvents(this);*/
+        getLoaderManager().initLoader(0, null, this).forceLoad();
+    }
+
+    @Override
+    public Loader<Collection<EventBase>> onCreateLoader(int id, Bundle args) {
+        DataParser<Collection<EventBase>> parser = new EventsDataParser(new EventBaseJsonDeserializer(
+                new VenueJsonDeserializer(new CourseAreaJsonDeserializer(DomainFactoryImpl.INSTANCE))));
+        try {
+            return new DataLoader<Collection<EventBase>>(
+                    getActivity(), 
+                    URI.create(AppPreferences.getServerBaseURL(getActivity()) + "/sailingserver/events"), 
+                    parser, 
+                    null);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    @Override
+    public void onLoadFinished(Loader<Collection<EventBase>> arg0, Collection<EventBase> arg1) {
+        if (arg1 == null)
+            ExLog.w("BLUB", "NULL");
+        else
+            super.onLoadSucceded(arg1);
+    }
+
+    @Override
+    public void onLoaderReset(Loader<Collection<EventBase>> arg0) {
+        super.onLoadSucceded(Collections.<EventBase>emptyList());
     }
 
 }