private TrainingCenterDatabaseT createTrainingCenterDatabase(List<TcxRoute> routes) {
ObjectFactory objectFactory = new ObjectFactory();
TrainingCenterDatabaseT trainingCenterDatabaseT = objectFactory.createTrainingCenterDatabaseT();
CoursesT coursesT = objectFactory.createCoursesT();
trainingCenterDatabaseT.setCourses(coursesT);
CourseFolderT courseFolderT = createCourseFolder(coursesT);
List<CourseT> courses = courseFolderT.getCourse();
Set<String> routeNames = new HashSet<String>(routes.size());
for (TcxRoute route : routes) {
String routeName = createUniqueRouteName(route.getName(), routeNames);
routeNames.add(routeName);