Moved temporary road network file to user.home

src/de/tud/kom/p2psim/impl/topology/movement/vehicular/sumo/simulation/controller/traci/TraciSimulationController.java

@@ -58,7 +58,7 @@ import it.polito.appeal.traci.SumoTraciConnection;
  *
  */
 public class TraciSimulationController implements VehicleController, SimulationSetupExtractor, EdgeController, SimulatorObserver {
-	private static final File TEMP_FILE = new File(new File(System.getProperty("java.io.tmpdir")), "road_network.tmp");
+	private static final File TEMP_FILE = new File(new File(System.getProperty("user.home") + "/.simonstrator"), "road_network.tmp");
 
 	private static final boolean TRAIN_PATH_PROBABILITIES = true;
 
@@ -752,12 +752,14 @@ public class TraciSimulationController implements VehicleController, SimulationS
 			_roadNetwork = new RoadNetwork(roadNetwork, this, true);
 
 			try {
-				ObjectOutputStream outputStream = new ObjectOutputStream(new FileOutputStream(TEMP_FILE));
+			    if (TEMP_FILE.exists() || TEMP_FILE.getParentFile().mkdirs()) {
+			        ObjectOutputStream outputStream = new ObjectOutputStream(new FileOutputStream(TEMP_FILE));
 
-				outputStream.writeObject(new SerializableRoadNetwork(_roadNetwork));
+			        outputStream.writeObject(new SerializableRoadNetwork(_roadNetwork));
 
-				outputStream.flush();
-				outputStream.close();
+			        outputStream.flush();
+			        outputStream.close();
+			    }
 			} catch (IOException e) {
 				//Nothing to do
 				e.printStackTrace();