/** * To gramm or ml. * * @param data * @return */ private double convertNetWeight(Product data) { double netWeight = -1.0; List<NetWeightEntity> netWeights = data.getStorageAndUsage().getNetWeight(); if (!netWeights.isEmpty() && (netWeights.get(0).getNetWeightUnit() != null)) { NetWeightEntity e = netWeights.get(0); netWeight = e.getNetWeightValue(); switch (e.getNetWeightUnit()) { case KG: // to get to g netWeight *= 1000; break; case LT: // to get to ml netWeight *= 1000; break; default: break; } } return netWeight; }