public DistrictConvertor getDefaultDistrict(int streetId, String building){
District district = AddressManager.getDefaultDistrict(getDao(), streetId, building);
if (district != null){
Lpu lpu = district.getLpu();
DistrictConvertor dc = new DistrictConvertor(district);
dc.setLpu(new LpuConvertor(lpu));
return dc;
}else{
return null;
}
}